[kbuild] drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:1777 try_add_to_existing_fg() error: double unlocked 'fte->node.lock' (orig line 1775)
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Paul Blakey
CC: Saeed Mahameed
CC: Roi Dayan
CC: Mark Bloch
CC: Maor Gottlieb
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 729e3d091984487f7aa1ebfabfe594e5b317ed0f
commit: 49c0355d301b4e0e01e0f19ddbb023bd7d0ee48c net/mlx5: Wait for inactive
autogroups
date: 4 months ago
:: branch date: 8 hours ago
:: commit date: 4 months ago
config: powerpc-randconfig-m031-20200911 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:1777 try_add_to_existing_fg()
error: double unlocked 'fte->node.lock' (orig line 1775)
Old smatch warnings:
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:1584 dest_is_valid() error:
we previously assumed 'dest' could be null (see line 1574)
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:1835 _mlx5_add_flow_rules()
error: double unlocked 'ft->node.lock' (orig line 1827)
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:1851 _mlx5_add_flow_rules()
error: double unlocked 'ft->node.lock' (orig line 1827)
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:1857 _mlx5_add_flow_rules()
error: double unlocked 'ft->node.lock' (orig line 1827)
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:1863 _mlx5_add_flow_rules()
error: double unlocked 'ft->node.lock' (orig line 1827)
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:1876 _mlx5_add_flow_rules()
error: double unlocked 'fte->node.lock' (orig line 1874)
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=49c0355d301b4e0e01e0f19ddbb023bd7d0ee48c
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 49c0355d301b4e0e01e0f19ddbb023bd7d0ee48c
vim +1777 drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
7dee607ed0e0450 Parav Pandit 2019-09-18 1688
46719d77d5f38b8 Maor Gottlieb 2017-07-25 1689 static struct mlx5_flow_handle *
46719d77d5f38b8 Maor Gottlieb 2017-07-25 1690 try_add_to_existing_fg(struct
mlx5_flow_table *ft,
bd71b08ec2ee450 Maor Gottlieb 2017-08-27 1691 struct
list_head *match_head,
5233794b179136d Arnd Bergmann 2019-06-18 1692 const
struct mlx5_flow_spec *spec,
46719d77d5f38b8 Maor Gottlieb 2017-07-25 1693 struct
mlx5_flow_act *flow_act,
46719d77d5f38b8 Maor Gottlieb 2017-07-25 1694 struct
mlx5_flow_destination *dest,
bd71b08ec2ee450 Maor Gottlieb 2017-08-27 1695 int
dest_num,
bd71b08ec2ee450 Maor Gottlieb 2017-08-27 1696 int
ft_version)
46719d77d5f38b8 Maor Gottlieb 2017-07-25 1697 {
a369d4ac4dff921 Maor Gottlieb 2017-08-27 1698 struct
mlx5_flow_steering *steering = get_steering(>node);
46719d77d5f38b8 Maor Gottlieb 2017-07-25 1699 struct mlx5_flow_group
*g;
46719d77d5f38b8 Maor Gottlieb 2017-07-25 1700 struct mlx5_flow_handle
*rule;
46719d77d5f38b8 Maor Gottlieb 2017-07-25 1701 struct match_list *iter;
bd71b08ec2ee450 Maor Gottlieb 2017-08-27 1702 bool take_write = false;
bd71b08ec2ee450 Maor Gottlieb 2017-08-27 1703 struct fs_fte *fte;
dc638d1122d25d4 Eli Cohen 2020-03-04 1704 u64 version = 0;
f5c2ff179f51101 Maor Gottlieb 2017-08-29 1705 int err;
f5c2ff179f51101 Maor Gottlieb 2017-08-29 1706
bb0ee7dcc4ecd6a Jianbo Liu2019-06-25 1707 fte = alloc_fte(ft,
spec, flow_act);
f5c2ff179f51101 Maor Gottlieb 2017-08-29 1708 if (IS_ERR(fte))
f5c2ff179f51101 Maor Gottlieb 2017-08-29 1709 return
ERR_PTR(-ENOMEM);
46719d77d5f38b8 Maor Gottlieb 2017-07-25 1710
bd71b08ec2ee450 Maor Gottlieb 2017-08-27 1711 search_again_locked:
d5634fee245f9e9 Paul Blakey 2018-09-20 1712 if (flow_act->flags &
FLOW_ACT_NO_APPEND)
d5634fee245f9e9 Paul Blakey 2018-09-20 1713 goto
skip_search;
dc638d1122d25d4 Eli Cohen 2020-03-04 1714 version =
matched_fgs_get_version(match_head);
dc638d1122d25d4 Eli Cohen 2020-03-04 1715 /* Try to find an fte
with identical match value and attempt update its
dc638d1122d25d4 Eli Cohen 2020-03-04 1716 * action.
dc638d1122d25d4 Eli Cohen 2020-03-04 1717 */
bd71b08ec2ee450 Maor Gottlieb 2017-08-27 1718
list_for_each_entry(iter, match_head, list) {
bd71b08ec2ee450 Maor Gottlieb 2017-08-27 1719 struct fs_fte
*fte_tmp;
693c6883bbc4f76 Matan Barak 2017-05-28 1720
693c6883bbc4f76 Matan Barak 2017-05-28 1721 g = iter->g;
ad9421e36a77056 Roi Dayan 2018-08-20 1722 fte_tmp =
lookup_fte_locked(g
[kbuild] [dhowells-fs:fscache-iter 25/55] include/linux/fscache.h:84:30: sparse: sparse: don't know how to apply mode to unsigned int enum fscache_cookie_stage
CC: kbuild-...@lists.01.org
TO: David Howells
tree: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git
fscache-iter
head: f6ac6a6db767d26c3330f0cecadd4f331ee6d291
commit: 1a31bac9fae197781cf11fea38e3b352c7945362 [25/55] fscache: Replace the
object management state machine
:: branch date: 28 hours ago
:: commit date: 35 hours ago
config: i386-randconfig-s001-20200909 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.2-191-g10164920-dirty
git checkout 1a31bac9fae197781cf11fea38e3b352c7945362
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
sparse warnings: (new ones prefixed by >>)
fs/nfs/client.c: note: in included file (through fs/nfs/fscache.h):
>> include/linux/fscache.h:84:30: sparse: sparse: don't know how to apply mode
>> to unsigned int enum fscache_cookie_stage
--
fs/nfs/dir.c: note: in included file (through fs/nfs/fscache.h):
>> include/linux/fscache.h:84:30: sparse: sparse: don't know how to apply mode
>> to unsigned int enum fscache_cookie_stage
--
fs/nfs/file.c: note: in included file (through fs/nfs/fscache.h):
>> include/linux/fscache.h:84:30: sparse: sparse: don't know how to apply mode
>> to unsigned int enum fscache_cookie_stage
--
fs/nfs/inode.c: note: in included file (through fs/nfs/fscache.h):
>> include/linux/fscache.h:84:30: sparse: sparse: don't know how to apply mode
>> to unsigned int enum fscache_cookie_stage
--
fs/nfs/super.c: note: in included file (through fs/nfs/fscache.h):
>> include/linux/fscache.h:84:30: sparse: sparse: don't know how to apply mode
>> to unsigned int enum fscache_cookie_stage
--
fs/nfs/read.c: note: in included file (through fs/nfs/fscache.h):
>> include/linux/fscache.h:84:30: sparse: sparse: don't know how to apply mode
>> to unsigned int enum fscache_cookie_stage
--
fs/nfs/write.c: note: in included file (through fs/nfs/fscache.h):
>> include/linux/fscache.h:84:30: sparse: sparse: don't know how to apply mode
>> to unsigned int enum fscache_cookie_stage
--
fs/nfs/nfs4proc.c: note: in included file (through fs/nfs/fscache.h):
>> include/linux/fscache.h:84:30: sparse: sparse: don't know how to apply mode
>> to unsigned int enum fscache_cookie_stage
--
fs/nfs/nfs4file.c: note: in included file (through fs/nfs/fscache.h):
>> include/linux/fscache.h:84:30: sparse: sparse: don't know how to apply mode
>> to unsigned int enum fscache_cookie_stage
--
fs/cifs/cifsfs.c: note: in included file (through fs/cifs/fscache.h):
>> include/linux/fscache.h:84:30: sparse: sparse: don't know how to apply mode
>> to unsigned int enum fscache_cookie_stage
--
fs/cifs/cifssmb.c: note: in included file (through fs/cifs/fscache.h):
>> include/linux/fscache.h:84:30: sparse: sparse: don't know how to apply mode
>> to unsigned int enum fscache_cookie_stage
--
fs/cifs/connect.c: note: in included file (through fs/cifs/fscache.h):
>> include/linux/fscache.h:84:30: sparse: sparse: don't know how to apply mode
>> to unsigned int enum fscache_cookie_stage
--
fs/cifs/file.c: note: in included file (through fs/cifs/fscache.h):
>> include/linux/fscache.h:84:30: sparse: sparse: don't know how to apply mode
>> to unsigned int enum fscache_cookie_stage
--
fs/cifs/inode.c: note: in included file (through fs/cifs/fscache.h):
>> include/linux/fscache.h:84:30: sparse: sparse: don't know how to apply mode
>> to unsigned int enum fscache_cookie_stage
--
fs/cifs/smb2inode.c: note: in included file (through fs/cifs/fscache.h):
>> include/linux/fscache.h:84:30: sparse: sparse: don't know how to apply mode
>> to unsigned int enum fscache_cookie_stage
--
fs/cifs/smb2file.c: note: in included file (through fs/cifs/fscache.h):
>> include/linux/fscache.h:84:30: sparse: sparse: don't know how to apply mode
>> to unsigned int enum fscache_cookie_stage
#
https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/commit/?id=1a31bac9fae197781cf11fea38e3b352c7945362
git remote add dhowells-fs
https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git
git fetch --no-tags dhowells-fs fscache-iter
git checkout 1a31bac9fae197781cf11fea38e3b352c7945362
vim +84 include/linux/fscache.h
2d6fff637037395 David Howells 2009-04-03 68
1a31bac9fae1977 David Howells 2020-02-06 69 /*
1a31bac9fae1977 David Howells 2020-02-06 70 * Data object state.
1a31bac9fae1977 David Howells 2020-02-06 71 */
1a31bac9fae1977 David Howells 2020-02-06 72 enum fscache_cookie_stage {
1a31bac9fae1977 David Howells 2020-02-06 73FSCACHE_COOKIE_STAGE_INDEX,
/* The cookie is an index cookie */
1a31bac9fae1977 David Howells 2020-02-06 74FSCACHE_COOKIE_STAGE_QUIESCENT,
/* The cookie is uncached */
1a31bac9fae1977
[kbuild] drivers/gpu/drm/nouveau/nouveau_bo.c:1323 nouveau_bo_move_ntfy() warn: should 'new_reg->start << (12)' be a 64 bit
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Nirmoy Das
CC: "Christian König"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: e8878ab825450c9ac07a0fc22e1f66fdb62b4f72
commit: 0dc9b286b8d2c219a55f6ad05d144aa4da495e97 drm/nouveau: don't use ttm
bo->offset v3
date: 3 months ago
:: branch date: 7 hours ago
:: commit date: 3 months ago
config: riscv-randconfig-m031-20200911 (attached as .config)
compiler: riscv32-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
drivers/gpu/drm/nouveau/nouveau_bo.c:1323 nouveau_bo_move_ntfy() warn: should
'new_reg->start << (12)' be a 64 bit type?
Old smatch warnings:
drivers/gpu/drm/nouveau/nouveau_bo.c:430 nouveau_bo_pin() warn: should '1 <<
bo->mem.mem_type' be a 64 bit type?
include/drm/ttm/ttm_bo_driver.h:658 __ttm_bo_reserve() warn: inconsistent
returns '*bo->base.resv'.
drivers/gpu/drm/nouveau/nouveau_bo.c:947 nv50_bo_move_m2mf() warn: should
'new_reg->num_pages << (12)' be a 64 bit type?
drivers/gpu/drm/nouveau/nouveau_bo.c:1337 nouveau_bo_vm_bind() warn: should
'new_reg->start << (12)' be a 64 bit type?
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0dc9b286b8d2c219a55f6ad05d144aa4da495e97
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 0dc9b286b8d2c219a55f6ad05d144aa4da495e97
vim +1323 drivers/gpu/drm/nouveau/nouveau_bo.c
6ee738610f41b5 Ben Skeggs 2009-12-11 1296
a4154bbffdc9f6 Ben Skeggs 2011-02-10 1297 static void
66257db7a5276d Nicolai Hähnle 2016-12-15 1298 nouveau_bo_move_ntfy(struct
ttm_buffer_object *bo, bool evict,
605f9ccd7d0ad6 Ben Skeggs 2016-05-17 1299 struct
ttm_mem_reg *new_reg)
a4154bbffdc9f6 Ben Skeggs 2011-02-10 1300 {
9ce523cc3bf2ac Ben Skeggs 2017-11-01 1301 struct nouveau_mem *mem
= new_reg ? nouveau_mem(new_reg) : NULL;
a4154bbffdc9f6 Ben Skeggs 2011-02-10 1302 struct nouveau_bo *nvbo
= nouveau_bo(bo);
24e8375b1bfdf7 Ben Skeggs 2017-11-01 1303 struct nouveau_vma *vma;
a4154bbffdc9f6 Ben Skeggs 2011-02-10 1304
9f1feed2e16652 Ben Skeggs 2012-01-25 1305 /* ttm can now
(stupidly) pass the driver bos it didn't create... */
9f1feed2e16652 Ben Skeggs 2012-01-25 1306 if (bo->destroy !=
nouveau_bo_del_ttm)
9f1feed2e16652 Ben Skeggs 2012-01-25 1307 return;
9f1feed2e16652 Ben Skeggs 2012-01-25 1308
425b34f7df63a2 Ben Skeggs 2017-11-01 1309 if (mem &&
new_reg->mem_type != TTM_PL_SYSTEM &&
9ce523cc3bf2ac Ben Skeggs 2017-11-01 1310 mem->mem.page ==
nvbo->page) {
a48296ab9dbe8b Ben Skeggs 2017-11-01 1311
list_for_each_entry(vma, >vma_list, head) {
24e8375b1bfdf7 Ben Skeggs 2017-11-01 1312
nouveau_vma_map(vma, mem);
a48296ab9dbe8b Ben Skeggs 2017-11-01 1313 }
d2f9c56a50 Ben Skeggs 2011-06-06 1314 } else {
a48296ab9dbe8b Ben Skeggs 2017-11-01 1315
list_for_each_entry(vma, >vma_list, head) {
10dcab3e7f477b Ben Skeggs 2016-12-12 1316
WARN_ON(ttm_bo_wait(bo, false, false));
24e8375b1bfdf7 Ben Skeggs 2017-11-01 1317
nouveau_vma_unmap(vma);
fd2871af3d2dad Ben Skeggs 2011-06-06 1318 }
a4154bbffdc9f6 Ben Skeggs 2011-02-10 1319 }
0dc9b286b8d2c2 Nirmoy Das 2020-06-24 1320
0dc9b286b8d2c2 Nirmoy Das 2020-06-24 1321 if (new_reg) {
0dc9b286b8d2c2 Nirmoy Das 2020-06-24 1322 if
(new_reg->mm_node)
0dc9b286b8d2c2 Nirmoy Das 2020-06-24 @1323
nvbo->offset = (new_reg->start << PAGE_SHIFT);
0dc9b286b8d2c2 Nirmoy Das 2020-06-24 1324 else
0dc9b286b8d2c2 Nirmoy Das 2020-06-24 1325
nvbo->offset = 0;
0dc9b286b8d2c2 Nirmoy Das 2020-06-24 1326 }
0dc9b286b8d2c2 Nirmoy Das 2020-06-24 1327
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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[kbuild] [chrome-os:chromeos-5.4 64/158] fs/proc/task_mmu.c:1879:28: sparse: sparse: context imbalance in 'deactivate_pte_range' - unexpected unlock
CC: kbuild-...@lists.01.org
TO: cros-kernel-buildrepo...@googlegroups.com
TO: Guenter Roeck
tree: https://chromium.googlesource.com/chromiumos/third_party/kernel
chromeos-5.4
head: 59cae41f4fcd3f1d266be2b63a13973486562f2e
commit: 4c3ad28b9c913ffe3146c439648f2ba50138a0ae [64/158] CHROMIUM: mm:
per-process reclaim
:: branch date: 3 weeks ago
:: commit date: 3 weeks ago
config: i386-randconfig-s001-20200912 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.2-191-g10164920-dirty
git checkout 4c3ad28b9c913ffe3146c439648f2ba50138a0ae
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
sparse warnings: (new ones prefixed by >>)
fs/proc/task_mmu.c:671:28: sparse: sparse: context imbalance in
'smaps_pte_range' - unexpected unlock
fs/proc/task_mmu.c:1258:28: sparse: sparse: context imbalance in
'clear_refs_pte_range' - unexpected unlock
fs/proc/task_mmu.c:1611:28: sparse: sparse: context imbalance in
'pagemap_pmd_range' - unexpected unlock
>> fs/proc/task_mmu.c:1879:28: sparse: sparse: context imbalance in
>> 'deactivate_pte_range' - unexpected unlock
>> fs/proc/task_mmu.c:1982:28: sparse: sparse: context imbalance in
>> 'reclaim_pte_range' - unexpected unlock
git remote add chrome-os
https://chromium.googlesource.com/chromiumos/third_party/kernel
git fetch --no-tags chrome-os chromeos-5.4
git checkout 4c3ad28b9c913ffe3146c439648f2ba50138a0ae
vim +/deactivate_pte_range +1879 fs/proc/task_mmu.c
4c3ad28b9c913f Minchan Kim 2015-01-09 1839
4c3ad28b9c913f Minchan Kim 2015-01-09 1840 static int
deactivate_pte_range(pmd_t *pmd, unsigned long addr,
4c3ad28b9c913f Minchan Kim 2015-01-09 1841
unsigned long end, struct mm_walk *walk)
4c3ad28b9c913f Minchan Kim 2015-01-09 1842 {
4c3ad28b9c913f Minchan Kim 2015-01-09 1843 pte_t *orig_pte, *pte, ptent;
4c3ad28b9c913f Minchan Kim 2015-01-09 1844 spinlock_t *ptl;
4c3ad28b9c913f Minchan Kim 2015-01-09 1845 struct page *page;
4c3ad28b9c913f Minchan Kim 2015-01-09 1846 struct vm_area_struct *vma =
walk->vma;
4c3ad28b9c913f Minchan Kim 2015-01-09 1847 struct mm_struct *mm =
vma->vm_mm;
4c3ad28b9c913f Minchan Kim 2015-01-09 1848 unsigned long next =
pmd_addr_end(addr, end);
4c3ad28b9c913f Minchan Kim 2015-01-09 1849
4c3ad28b9c913f Minchan Kim 2015-01-09 1850 ptl = pmd_trans_huge_lock(pmd,
vma);
4c3ad28b9c913f Minchan Kim 2015-01-09 1851 if (ptl) {
4c3ad28b9c913f Minchan Kim 2015-01-09 1852 if (!pmd_present(*pmd))
4c3ad28b9c913f Minchan Kim 2015-01-09 1853 goto
huge_unlock;
4c3ad28b9c913f Minchan Kim 2015-01-09 1854
4c3ad28b9c913f Minchan Kim 2015-01-09 1855 if
(is_huge_zero_pmd(*pmd))
4c3ad28b9c913f Minchan Kim 2015-01-09 1856 goto
huge_unlock;
4c3ad28b9c913f Minchan Kim 2015-01-09 1857
4c3ad28b9c913f Minchan Kim 2015-01-09 1858 page = pmd_page(*pmd);
4c3ad28b9c913f Minchan Kim 2015-01-09 1859 if (page_mapcount(page)
> 1)
4c3ad28b9c913f Minchan Kim 2015-01-09 1860 goto
huge_unlock;
4c3ad28b9c913f Minchan Kim 2015-01-09 1861
4c3ad28b9c913f Minchan Kim 2015-01-09 1862 if (next - addr !=
HPAGE_PMD_SIZE) {
4c3ad28b9c913f Minchan Kim 2015-01-09 1863 int err;
4c3ad28b9c913f Minchan Kim 2015-01-09 1864
4c3ad28b9c913f Minchan Kim 2015-01-09 1865 get_page(page);
4c3ad28b9c913f Minchan Kim 2015-01-09 1866
spin_unlock(ptl);
4c3ad28b9c913f Minchan Kim 2015-01-09 1867 lock_page(page);
4c3ad28b9c913f Minchan Kim 2015-01-09 1868 err =
split_huge_page(page);
4c3ad28b9c913f Minchan Kim 2015-01-09 1869
unlock_page(page);
4c3ad28b9c913f Minchan Kim 2015-01-09 1870 put_page(page);
4c3ad28b9c913f Minchan Kim 2015-01-09 1871 if (!err)
4c3ad28b9c913f Minchan Kim 2015-01-09 1872 goto
regular_page;
4c3ad28b9c913f Minchan Kim 2015-01-09 1873 return 0;
4c3ad28b9c913f Minchan Kim 2015-01-09 1874 }
4c3ad28b9c913f Minchan Kim 2015-01-09 1875
4c3ad28b9c913f Minchan Kim 2015-01-09 1876
pmdp_test_and_clear_young(vma, addr, pmd);
4c3ad28b9c913f Minchan Kim 2015-01-09 1877 deactivate_page(page);
4c3ad28b9c913f Minchan Kim 2015-01-09 1878 huge_unlock:
4c3ad28b9c913f Minchan Kim 2015-01-09 @1879 spin_unlock(ptl);
4c3ad28b9c913f Minchan Kim 2015-01-09 1880 return 0;
4c3ad28b9c913f Minchan Kim 2015-01-09 1881 }
4c3ad28b9c913f Minchan Kim 2015-01-09 1882
4c3ad28b9c913f Minchan Kim 2015-01-09 1883 if
[kbuild] kernel/dma/pool.c:62:6: warning: Variable 'ret' is reassigned a value before the old one has been used.
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: David Rientjes
CC: Christoph Hellwig
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: e8878ab825450c9ac07a0fc22e1f66fdb62b4f72
commit: 54adadf9b08571fb8b11dc9d0d3a2ddd39825efd dma-pool: dynamically
expanding atomic pools
date: 5 months ago
:: branch date: 3 hours ago
:: commit date: 5 months ago
compiler: nds32le-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
cppcheck warnings: (new ones prefixed by >>)
>> kernel/dma/pool.c:62:6: warning: Variable 'ret' is reassigned a value before
>> the old one has been used. [redundantAssignment]
ret = gen_pool_add_virt(pool, (unsigned long)addr, page_to_phys(page),
^
kernel/dma/pool.c:37:0: note: Variable 'ret' is reassigned a value before
the old one has been used.
int ret = -ENOMEM;
^
kernel/dma/pool.c:62:6: note: Variable 'ret' is reassigned a value before
the old one has been used.
ret = gen_pool_add_virt(pool, (unsigned long)addr, page_to_phys(page),
^
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=54adadf9b08571fb8b11dc9d0d3a2ddd39825efd
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 54adadf9b08571fb8b11dc9d0d3a2ddd39825efd
vim +/ret +62 kernel/dma/pool.c
e860c299ac0d73 David Rientjes 2020-04-14 30
54adadf9b08571 David Rientjes 2020-04-20 31 static int
atomic_pool_expand(struct gen_pool *pool, size_t pool_size,
54adadf9b08571 David Rientjes 2020-04-20 32 gfp_t gfp)
e860c299ac0d73 David Rientjes 2020-04-14 33 {
54adadf9b08571 David Rientjes 2020-04-20 34unsigned int order;
e860c299ac0d73 David Rientjes 2020-04-14 35struct page *page;
e860c299ac0d73 David Rientjes 2020-04-14 36void *addr;
54adadf9b08571 David Rientjes 2020-04-20 37int ret = -ENOMEM;
54adadf9b08571 David Rientjes 2020-04-20 38
54adadf9b08571 David Rientjes 2020-04-20 39/* Cannot allocate larger than
MAX_ORDER-1 */
54adadf9b08571 David Rientjes 2020-04-20 40order =
min(get_order(pool_size), MAX_ORDER-1);
54adadf9b08571 David Rientjes 2020-04-20 41
54adadf9b08571 David Rientjes 2020-04-20 42do {
54adadf9b08571 David Rientjes 2020-04-20 43pool_size = 1 <<
(PAGE_SHIFT + order);
e860c299ac0d73 David Rientjes 2020-04-14 44
e860c299ac0d73 David Rientjes 2020-04-14 45if
(dev_get_cma_area(NULL))
54adadf9b08571 David Rientjes 2020-04-20 46page =
dma_alloc_from_contiguous(NULL, 1 << order,
54adadf9b08571 David Rientjes 2020-04-20 47
order, false);
e860c299ac0d73 David Rientjes 2020-04-14 48else
c84dc6e68a1d24 David Rientjes 2020-04-14 49page =
alloc_pages(gfp, order);
54adadf9b08571 David Rientjes 2020-04-20 50} while (!page && order-- > 0);
e860c299ac0d73 David Rientjes 2020-04-14 51if (!page)
e860c299ac0d73 David Rientjes 2020-04-14 52goto out;
e860c299ac0d73 David Rientjes 2020-04-14 53
c84dc6e68a1d24 David Rientjes 2020-04-14 54arch_dma_prep_coherent(page,
pool_size);
e860c299ac0d73 David Rientjes 2020-04-14 55
c84dc6e68a1d24 David Rientjes 2020-04-14 56addr =
dma_common_contiguous_remap(page, pool_size,
e860c299ac0d73 David Rientjes 2020-04-14 57
pgprot_dmacoherent(PAGE_KERNEL),
e860c299ac0d73 David Rientjes 2020-04-14 58
__builtin_return_address(0));
e860c299ac0d73 David Rientjes 2020-04-14 59if (!addr)
54adadf9b08571 David Rientjes 2020-04-20 60goto free_page;
e860c299ac0d73 David Rientjes 2020-04-14 61
54adadf9b08571 David Rientjes 2020-04-20 @62ret = gen_pool_add_virt(pool,
(unsigned long)addr, page_to_phys(page),
54adadf9b08571 David Rientjes 2020-04-20 63
pool_size, NUMA_NO_NODE);
e860c299ac0d73 David Rientjes 2020-04-14 64if (ret)
e860c299ac0d73 David Rientjes 2020-04-14 65goto remove_mapping;
e860c299ac0d73 David Rientjes 2020-04-14 66
e860c299ac0d73 David Rientjes 2020-04-14 67return 0;
e860c299ac0d73 David Rientjes 2020-04-14 68
e860c299ac0d73 David Rientjes 2020-04-14 69 remove_mapping:
c84dc6e68a1d24 David Rientjes 2020-04-14 70dma_common_free_remap(addr,
pool_size);
e860c299ac0d73 David Rientjes 2020-04-14 71 free_page:
54adadf9b08571 David Rientjes 2020-04-20 72if
(!dma_release_from_contiguous(NULL, page, 1 << order))
c84dc6e68a1d24 David Rientjes 2020-04-14 73__free_pages(page,
order);
e860c299ac0d73 David Rientjes 2020-04-14 74 out:
54adadf9b08571 David Rientjes 2020-04-20 75return ret;
54adadf9b08571 David Rientjes 2020-04-20 76 }
54adadf9b08571 David Rientjes 2020-04-20 77
---
[kbuild] drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:816 amdgpu_ttm_io_mem_pfn() warn: should 'page_offset << (12)' be a 64 bit
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: "Christian König"
CC: Alex Deucher
CC: Felix Kuehling
CC: Huang Rui
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 581cb3a26baf846ee9636214afaa5333919875b1
commit: f0ee63cbc5264dbbdb994e87504b0b033149da55 drm/amdgpu: cleanup
amdgpu_ttm_copy_mem_to_mem and amdgpu_map_buffer v2
date: 5 months ago
:: branch date: 22 hours ago
:: commit date: 5 months ago
config: riscv-randconfig-m031-20200911 (attached as .config)
compiler: riscv32-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:816 amdgpu_ttm_io_mem_pfn() warn:
should 'page_offset << (12)' be a 64 bit type?
Old smatch warnings:
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:511 amdgpu_move_blit() warn: should
'new_mem->num_pages << (12)' be a 64 bit type?
arch/riscv/include/asm/current.h:30 get_current() error: uninitialized symbol
'tp'.
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f0ee63cbc5264dbbdb994e87504b0b033149da55
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout f0ee63cbc5264dbbdb994e87504b0b033149da55
vim +816 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
d38ceaf99ed015 Alex Deucher 2015-04-20 812
9bbdcc0fbc392e Christian König2017-03-29 813 static unsigned long
amdgpu_ttm_io_mem_pfn(struct ttm_buffer_object *bo,
9bbdcc0fbc392e Christian König2017-03-29 814
unsigned long page_offset)
9bbdcc0fbc392e Christian König2017-03-29 815 {
f0ee63cbc5264d Christian König2020-03-18 @816 uint64_t offset =
(page_offset << PAGE_SHIFT);
e1d515052f9075 Harish Kasiviswanathan 2017-10-06 817 struct drm_mm_node *mm;
9bbdcc0fbc392e Christian König2017-03-29 818
e1d515052f9075 Harish Kasiviswanathan 2017-10-06 819 mm =
amdgpu_find_mm_node(>mem, );
e1d515052f9075 Harish Kasiviswanathan 2017-10-06 820 return
(bo->mem.bus.base >> PAGE_SHIFT) + mm->start +
e1d515052f9075 Harish Kasiviswanathan 2017-10-06 821 (offset >>
PAGE_SHIFT);
9bbdcc0fbc392e Christian König2017-03-29 822 }
9bbdcc0fbc392e Christian König2017-03-29 823
---
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[kbuild] drivers/net/ethernet/mellanox/mlx5/core/en/port.c:453 mlx5e_fec_in_caps() warn: signedness bug returning '(-95)'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 581cb3a26baf846ee9636214afaa5333919875b1
commit: 2132b71f78d207b63974fc7d6eced9c5e886c405 net/mlx5e: Advertise globaly
supported FEC modes
config: powerpc-randconfig-m031-20200911 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
drivers/net/ethernet/mellanox/mlx5/core/en/port.c:453 mlx5e_fec_in_caps() warn:
signedness bug returning '(-95)'
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2132b71f78d207b63974fc7d6eced9c5e886c405
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 2132b71f78d207b63974fc7d6eced9c5e886c405
vim +453 drivers/net/ethernet/mellanox/mlx5/core/en/port.c
2132b71f78d207 Aya Levin 2020-02-11 444 bool mlx5e_fec_in_caps(struct
mlx5_core_dev *dev, int fec_policy)
2095b264147753 Shay Agroskin 2018-10-10 445 {
2095b264147753 Shay Agroskin 2018-10-10 446u32
out[MLX5_ST_SZ_DW(pplm_reg)] = {};
2095b264147753 Shay Agroskin 2018-10-10 447u32 in[MLX5_ST_SZ_DW(pplm_reg)]
= {};
2095b264147753 Shay Agroskin 2018-10-10 448int sz =
MLX5_ST_SZ_BYTES(pplm_reg);
2095b264147753 Shay Agroskin 2018-10-10 449int err;
2132b71f78d207 Aya Levin 2020-02-11 450int i;
2095b264147753 Shay Agroskin 2018-10-10 451
2095b264147753 Shay Agroskin 2018-10-10 452if (!MLX5_CAP_GEN(dev,
pcam_reg))
2095b264147753 Shay Agroskin 2018-10-10 @453return -EOPNOTSUPP;
^^
2095b264147753 Shay Agroskin 2018-10-10 454
2095b264147753 Shay Agroskin 2018-10-10 455if (!MLX5_CAP_PCAM_REG(dev,
pplm))
2095b264147753 Shay Agroskin 2018-10-10 456return -EOPNOTSUPP;
^^
These become "return true;"
2095b264147753 Shay Agroskin 2018-10-10 457
2095b264147753 Shay Agroskin 2018-10-10 458MLX5_SET(pplm_reg, in,
local_port, 1);
2095b264147753 Shay Agroskin 2018-10-10 459err =
mlx5_core_access_reg(dev, in, sz, out, sz, MLX5_REG_PPLM, 0, 0);
2095b264147753 Shay Agroskin 2018-10-10 460if (err)
2132b71f78d207 Aya Levin 2020-02-11 461return false;
2095b264147753 Shay Agroskin 2018-10-10 462
2132b71f78d207 Aya Levin 2020-02-11 463for (i = 0; i <
MLX5E_FEC_SUPPORTED_SPEEDS; i++) {
2132b71f78d207 Aya Levin 2020-02-11 464u8 fec_caps;
2095b264147753 Shay Agroskin 2018-10-10 465
2132b71f78d207 Aya Levin 2020-02-11 466
mlx5e_get_fec_cap_field(out, _caps, fec_supported_speeds[i]);
2132b71f78d207 Aya Levin 2020-02-11 467if (fec_caps &
fec_policy)
2132b71f78d207 Aya Levin 2020-02-11 468return true;
2132b71f78d207 Aya Levin 2020-02-11 469}
2132b71f78d207 Aya Levin 2020-02-11 470return false;
2095b264147753 Shay Agroskin 2018-10-10 471 }
---
0-DAY CI Kernel Test Service, Intel Corporation
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[kbuild] [mptcp:export 654/660] include/net/sock.h:1610:31: sparse: sparse: context imbalance in 'mptcp_rcv_space_adjust' - unexpected unlock
CC: kbuild-...@lists.01.org
CC: mp...@lists.01.org
TO: Paolo Abeni
CC: Mat Martineau
tree: https://github.com/multipath-tcp/mptcp_net-next.git export
head: 38c882ee9a77d857355a8dd2a220156ba7df73bc
commit: 37f6e2313ae90097187b574f1c143a42bd263f88 [654/660] mptcp: call
tcp_cleanup_rbuf on subflows
:: branch date: 4 hours ago
:: commit date: 4 hours ago
config: i386-randconfig-s001-20200911 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.2-191-g10164920-dirty
git checkout 37f6e2313ae90097187b574f1c143a42bd263f88
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
sparse warnings: (new ones prefixed by >>)
net/mptcp/protocol.c: note: in included file:
>> include/net/sock.h:1610:31: sparse: sparse: context imbalance in
>> 'mptcp_rcv_space_adjust' - unexpected unlock
net/mptcp/protocol.c:2042:24: sparse: sparse: context imbalance in
'mptcp_sk_clone' - unexpected unlock
#
https://github.com/multipath-tcp/mptcp_net-next/commit/37f6e2313ae90097187b574f1c143a42bd263f88
git remote add mptcp https://github.com/multipath-tcp/mptcp_net-next.git
git fetch --no-tags mptcp export
git checkout 37f6e2313ae90097187b574f1c143a42bd263f88
vim +/mptcp_rcv_space_adjust +1610 include/net/sock.h
^1da177e4c3f41 Linus Torvalds 2005-04-16 1595
69336bd2d3ddce Joe Perches2013-09-22 1596 bool lock_sock_fast(struct sock
*sk);
8a74ad60a546b1 Eric Dumazet 2010-05-26 1597 /**
8a74ad60a546b1 Eric Dumazet 2010-05-26 1598 * unlock_sock_fast -
complement of lock_sock_fast
8a74ad60a546b1 Eric Dumazet 2010-05-26 1599 * @sk: socket
8a74ad60a546b1 Eric Dumazet 2010-05-26 1600 * @slow: slow mode
8a74ad60a546b1 Eric Dumazet 2010-05-26 1601 *
8a74ad60a546b1 Eric Dumazet 2010-05-26 1602 * fast unlock socket for user
context.
8a74ad60a546b1 Eric Dumazet 2010-05-26 1603 * If slow mode is on, we call
regular release_sock()
8a74ad60a546b1 Eric Dumazet 2010-05-26 1604 */
8a74ad60a546b1 Eric Dumazet 2010-05-26 1605 static inline void
unlock_sock_fast(struct sock *sk, bool slow)
4b0b72f7dd617b Eric Dumazet 2010-04-28 1606 {
8a74ad60a546b1 Eric Dumazet 2010-05-26 1607 if (slow)
8a74ad60a546b1 Eric Dumazet 2010-05-26 1608
release_sock(sk);
8a74ad60a546b1 Eric Dumazet 2010-05-26 1609 else
4b0b72f7dd617b Eric Dumazet 2010-04-28 @1610
spin_unlock_bh(>sk_lock.slock);
4b0b72f7dd617b Eric Dumazet 2010-04-28 1611 }
4b0b72f7dd617b Eric Dumazet 2010-04-28 1612
:: The code at line 1610 was first introduced by commit
:: 4b0b72f7dd617b13abd1b04c947e15873e011a24 net: speedup udp receive path
:: TO: Eric Dumazet
:: CC: David S. Miller
---
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[kbuild] drivers/net/ethernet/mellanox/mlx5/core/en/port.c:453 mlx5e_fec_in_caps() warn: signedness bug returning '(-95)'
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Aya Levin
CC: Saeed Mahameed
CC: Eran Ben Elisha
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 581cb3a26baf846ee9636214afaa5333919875b1
commit: 2132b71f78d207b63974fc7d6eced9c5e886c405 net/mlx5e: Advertise globaly
supported FEC modes
date: 7 months ago
:: branch date: 20 hours ago
:: commit date: 7 months ago
config: powerpc-randconfig-m031-20200911 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
drivers/net/ethernet/mellanox/mlx5/core/en/port.c:453 mlx5e_fec_in_caps() warn:
signedness bug returning '(-95)'
Old smatch warnings:
drivers/net/ethernet/mellanox/mlx5/core/en/port.c:456 mlx5e_fec_in_caps() warn:
signedness bug returning '(-95)'
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2132b71f78d207b63974fc7d6eced9c5e886c405
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 2132b71f78d207b63974fc7d6eced9c5e886c405
vim +453 drivers/net/ethernet/mellanox/mlx5/core/en/port.c
2095b264147753 Shay Agroskin 2018-10-10 443
2132b71f78d207 Aya Levin 2020-02-11 444 bool mlx5e_fec_in_caps(struct
mlx5_core_dev *dev, int fec_policy)
2095b264147753 Shay Agroskin 2018-10-10 445 {
2095b264147753 Shay Agroskin 2018-10-10 446u32
out[MLX5_ST_SZ_DW(pplm_reg)] = {};
2095b264147753 Shay Agroskin 2018-10-10 447u32 in[MLX5_ST_SZ_DW(pplm_reg)]
= {};
2095b264147753 Shay Agroskin 2018-10-10 448int sz =
MLX5_ST_SZ_BYTES(pplm_reg);
2095b264147753 Shay Agroskin 2018-10-10 449int err;
2132b71f78d207 Aya Levin 2020-02-11 450int i;
2095b264147753 Shay Agroskin 2018-10-10 451
2095b264147753 Shay Agroskin 2018-10-10 452if (!MLX5_CAP_GEN(dev,
pcam_reg))
2095b264147753 Shay Agroskin 2018-10-10 @453return -EOPNOTSUPP;
2095b264147753 Shay Agroskin 2018-10-10 454
2095b264147753 Shay Agroskin 2018-10-10 455if (!MLX5_CAP_PCAM_REG(dev,
pplm))
2095b264147753 Shay Agroskin 2018-10-10 456return -EOPNOTSUPP;
2095b264147753 Shay Agroskin 2018-10-10 457
2095b264147753 Shay Agroskin 2018-10-10 458MLX5_SET(pplm_reg, in,
local_port, 1);
2095b264147753 Shay Agroskin 2018-10-10 459err =
mlx5_core_access_reg(dev, in, sz, out, sz, MLX5_REG_PPLM, 0, 0);
2095b264147753 Shay Agroskin 2018-10-10 460if (err)
2132b71f78d207 Aya Levin 2020-02-11 461return false;
2095b264147753 Shay Agroskin 2018-10-10 462
2132b71f78d207 Aya Levin 2020-02-11 463for (i = 0; i <
MLX5E_FEC_SUPPORTED_SPEEDS; i++) {
2132b71f78d207 Aya Levin 2020-02-11 464u8 fec_caps;
2095b264147753 Shay Agroskin 2018-10-10 465
2132b71f78d207 Aya Levin 2020-02-11 466
mlx5e_get_fec_cap_field(out, _caps, fec_supported_speeds[i]);
2132b71f78d207 Aya Levin 2020-02-11 467if (fec_caps &
fec_policy)
2132b71f78d207 Aya Levin 2020-02-11 468return true;
2132b71f78d207 Aya Levin 2020-02-11 469}
2132b71f78d207 Aya Levin 2020-02-11 470return false;
2095b264147753 Shay Agroskin 2018-10-10 471 }
2095b264147753 Shay Agroskin 2018-10-10 472
:: The code at line 453 was first introduced by commit
:: 2095b264147753eee0f122b8c0c9f035a32f0a25 net/mlx5e: Add port FEC get/set
functions
:: TO: Shay Agroskin
:: CC: Saeed Mahameed
---
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[kbuild] drivers/net/ethernet/mellanox/mlx5/core/en/health.c:226 mlx5e_health_rsc_fmsg_binary() error: uninitialized symbol 'err'.
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Aya Levin
CC: Saeed Mahameed
CC: Moshe Shemesh
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 581cb3a26baf846ee9636214afaa5333919875b1
commit: 5f29458b77d51c104554575b73184c243930aa87 net/mlx5e: Support dump
callback in TX reporter
date: 7 months ago
:: branch date: 17 hours ago
:: commit date: 7 months ago
config: powerpc-randconfig-m031-20200911 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
smatch warnings:
drivers/net/ethernet/mellanox/mlx5/core/en/health.c:226
mlx5e_health_rsc_fmsg_binary() error: uninitialized symbol 'err'.
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5f29458b77d51c104554575b73184c243930aa87
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 5f29458b77d51c104554575b73184c243930aa87
vim +/err +226 drivers/net/ethernet/mellanox/mlx5/core/en/health.c
5f29458b77d51c Aya Levin 2020-02-11 208
5f29458b77d51c Aya Levin 2020-02-11 209 #define MLX5_HEALTH_DEVLINK_MAX_SIZE
1024
5f29458b77d51c Aya Levin 2020-02-11 210 static int
mlx5e_health_rsc_fmsg_binary(struct devlink_fmsg *fmsg,
5f29458b77d51c Aya Levin 2020-02-11 211
const void *value, u32 value_len)
5f29458b77d51c Aya Levin 2020-02-11 212
5f29458b77d51c Aya Levin 2020-02-11 213 {
5f29458b77d51c Aya Levin 2020-02-11 214u32 data_size;
5f29458b77d51c Aya Levin 2020-02-11 215u32 offset;
5f29458b77d51c Aya Levin 2020-02-11 216int err;
5f29458b77d51c Aya Levin 2020-02-11 217
5f29458b77d51c Aya Levin 2020-02-11 218for (offset = 0; offset <
value_len; offset += data_size) {
5f29458b77d51c Aya Levin 2020-02-11 219data_size = value_len -
offset;
5f29458b77d51c Aya Levin 2020-02-11 220if (data_size >
MLX5_HEALTH_DEVLINK_MAX_SIZE)
5f29458b77d51c Aya Levin 2020-02-11 221data_size =
MLX5_HEALTH_DEVLINK_MAX_SIZE;
5f29458b77d51c Aya Levin 2020-02-11 222err =
devlink_fmsg_binary_put(fmsg, value + offset, data_size);
5f29458b77d51c Aya Levin 2020-02-11 223if (err)
5f29458b77d51c Aya Levin 2020-02-11 224break;
5f29458b77d51c Aya Levin 2020-02-11 225}
5f29458b77d51c Aya Levin 2020-02-11 @226return err;
5f29458b77d51c Aya Levin 2020-02-11 227 }
5f29458b77d51c Aya Levin 2020-02-11 228
---
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[kbuild] [leon-rdma:rdma-next 67/76] drivers/infiniband/core/uverbs_std_types_device.c:290 copy_gid_entries_to_user() warn: passing a valid pointer to 'PTR_ERR'
CC: kbuild-...@lists.01.org
TO: Avihai Horon
CC: Leon Romanovsky
tree: https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git
rdma-next
head: fb60ce5917ddd769e17552ae421d056c0bb151a5
commit: 320a6a2fef0b62d96bcd8dfb182e91a1e8dc137b [67/76] RDMA/uverbs: Expose
the new GID query API to user space
:: branch date: 25 hours ago
:: commit date: 25 hours ago
config: i386-randconfig-m021-20200911 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
drivers/infiniband/core/uverbs_std_types_device.c:290
copy_gid_entries_to_user() warn: passing a valid pointer to 'PTR_ERR'
Old smatch warnings:
include/rdma/uverbs_ioctl.h:708 uverbs_attr_get_len() warn: passing a valid
pointer to 'PTR_ERR'
#
https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git/commit/?id=320a6a2fef0b62d96bcd8dfb182e91a1e8dc137b
git remote add leon-rdma
https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git
git fetch --no-tags leon-rdma rdma-next
git checkout 320a6a2fef0b62d96bcd8dfb182e91a1e8dc137b
vim +/PTR_ERR +290 drivers/infiniband/core/uverbs_std_types_device.c
1c8fb1ea5a1dbd Yishai Hadas 2020-06-30 269
320a6a2fef0b62 Avihai Horon 2020-08-31 270 static int
copy_gid_entries_to_user(struct uverbs_attr_bundle *attrs,
320a6a2fef0b62 Avihai Horon 2020-08-31 271
struct ib_uverbs_gid_entry *entries,
320a6a2fef0b62 Avihai Horon 2020-08-31 272
size_t num_entries, size_t user_entry_size)
320a6a2fef0b62 Avihai Horon 2020-08-31 273 {
320a6a2fef0b62 Avihai Horon 2020-08-31 274 const struct uverbs_attr *attr;
320a6a2fef0b62 Avihai Horon 2020-08-31 275 void __user *user_entries;
320a6a2fef0b62 Avihai Horon 2020-08-31 276 size_t copy_len;
320a6a2fef0b62 Avihai Horon 2020-08-31 277 int ret;
320a6a2fef0b62 Avihai Horon 2020-08-31 278 int i;
320a6a2fef0b62 Avihai Horon 2020-08-31 279
320a6a2fef0b62 Avihai Horon 2020-08-31 280 if (user_entry_size ==
sizeof(*entries)) {
320a6a2fef0b62 Avihai Horon 2020-08-31 281 ret =
uverbs_copy_to(attrs,
320a6a2fef0b62 Avihai Horon 2020-08-31 282
UVERBS_ATTR_QUERY_GID_TABLE_RESP_ENTRIES,
320a6a2fef0b62 Avihai Horon 2020-08-31 283
entries, sizeof(*entries) * num_entries);
320a6a2fef0b62 Avihai Horon 2020-08-31 284 return ret;
320a6a2fef0b62 Avihai Horon 2020-08-31 285 }
320a6a2fef0b62 Avihai Horon 2020-08-31 286
320a6a2fef0b62 Avihai Horon 2020-08-31 287 copy_len = min_t(size_t,
user_entry_size, sizeof(*entries));
320a6a2fef0b62 Avihai Horon 2020-08-31 288 attr = uverbs_attr_get(attrs,
UVERBS_ATTR_QUERY_GID_TABLE_RESP_ENTRIES);
320a6a2fef0b62 Avihai Horon 2020-08-31 289 if (IS_ERR(attr))
320a6a2fef0b62 Avihai Horon 2020-08-31 @290 return PTR_ERR(attr);
320a6a2fef0b62 Avihai Horon 2020-08-31 291
320a6a2fef0b62 Avihai Horon 2020-08-31 292 user_entries =
u64_to_user_ptr(attr->ptr_attr.data);
320a6a2fef0b62 Avihai Horon 2020-08-31 293 for (i = 0; i < num_entries;
i++) {
320a6a2fef0b62 Avihai Horon 2020-08-31 294 if
(copy_to_user(user_entries, entries, copy_len))
320a6a2fef0b62 Avihai Horon 2020-08-31 295 return -EFAULT;
320a6a2fef0b62 Avihai Horon 2020-08-31 296
320a6a2fef0b62 Avihai Horon 2020-08-31 297 if (user_entry_size >
sizeof(*entries)) {
320a6a2fef0b62 Avihai Horon 2020-08-31 298 if
(clear_user(user_entries + sizeof(*entries),
320a6a2fef0b62 Avihai Horon 2020-08-31 299
user_entry_size - sizeof(*entries)))
320a6a2fef0b62 Avihai Horon 2020-08-31 300 return
-EFAULT;
320a6a2fef0b62 Avihai Horon 2020-08-31 301 }
320a6a2fef0b62 Avihai Horon 2020-08-31 302
320a6a2fef0b62 Avihai Horon 2020-08-31 303 entries++;
320a6a2fef0b62 Avihai Horon 2020-08-31 304 user_entries +=
user_entry_size;
320a6a2fef0b62 Avihai Horon 2020-08-31 305 }
320a6a2fef0b62 Avihai Horon 2020-08-31 306
320a6a2fef0b62 Avihai Horon 2020-08-31 307 return
uverbs_output_written(attrs,
320a6a2fef0b62 Avihai Horon 2020-08-31 308
UVERBS_ATTR_QUERY_GID_TABLE_RESP_ENTRIES);
320a6a2fef0b62 Avihai Horon 2020-08-31 309 }
320a6a2fef0b62 Avihai Horon 2020-08-31 310
---
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[kbuild] [linux-next:master 6051/6654] net/rxrpc/conn_client.c:494 rxrpc_maybe_add_conn() warn: inconsistent returns 'bundle->channel_lock'.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: 7ce53e3a447bced7b85ed181c4d027e93c062e07
commit: 245500d853e9f20036cec7df4f6984ece4c6bf26 [6051/6654] rxrpc: Rewrite the
client connection manager
config: i386-randconfig-m021-20200911 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
smatch warnings:
net/rxrpc/conn_client.c:722 rxrpc_connect_call() error: 'bundle' dereferencing
possible ERR_PTR()
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=245500d853e9f20036cec7df4f6984ece4c6bf26
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout 245500d853e9f20036cec7df4f6984ece4c6bf26
vim +494 net/rxrpc/conn_client.c
697 int rxrpc_connect_call(struct rxrpc_sock *rx,
698 struct rxrpc_call *call,
699 struct rxrpc_conn_parameters *cp,
700 struct sockaddr_rxrpc *srx,
701 gfp_t gfp)
702 {
703 struct rxrpc_bundle *bundle;
704 struct rxrpc_net *rxnet = cp->local->rxnet;
705 int ret = 0;
706
707 _enter("{%d,%lx},", call->debug_id, call->user_call_ID);
708
709 rxrpc_discard_expired_client_conns(>client_conn_reaper);
710
711 bundle = rxrpc_prep_call(rx, call, cp, srx, gfp);
712 if (IS_ERR(bundle)) {
713 ret = PTR_ERR(bundle);
714 goto out;
715 }
716
717 if (call->state == RXRPC_CALL_CLIENT_AWAIT_CONN) {
718 ret = rxrpc_wait_for_channel(bundle, call, gfp);
719 if (ret < 0)
720 goto wait_failed;
721 }
722
723 granted_channel:
724 /* Paired with the write barrier in
rxrpc_activate_one_channel(). */
725 smp_rmb();
726
727 out:
728 rxrpc_put_bundle(bundle);
^^
Dereferenced inside function.
729 _leave(" = %d", ret);
730 return ret;
731
732 wait_failed:
733 spin_lock(>channel_lock);
734 list_del_init(>chan_wait_link);
735 spin_unlock(>channel_lock);
---
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[kbuild] [leon-rdma:rdma-next 8/76] drivers/infiniband/core/umem.c:263 __ib_umem_get() warn: impossible condition '(npages > (~0)) => (0-u32max > u32max)'
CC: kbuild-...@lists.01.org
TO: Jason Gunthorpe
CC: Leon Romanovsky
CC: Yishai Hadas
CC: Feras Daoud
tree: https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git
rdma-next
head: fb60ce5917ddd769e17552ae421d056c0bb151a5
commit: 4e8a381066e9ae0c1f958fc879151012e9fb7f82 [8/76] RDMA/core: Introduce
peer memory interface
:: branch date: 23 hours ago
:: commit date: 24 hours ago
config: i386-randconfig-m021-20200911 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
smatch warnings:
drivers/infiniband/core/umem.c:263 __ib_umem_get() warn: impossible condition
'(npages > (~0)) => (0-u32max > u32max)'
#
https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git/commit/?id=4e8a381066e9ae0c1f958fc879151012e9fb7f82
git remote add leon-rdma
https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git
git fetch --no-tags leon-rdma rdma-next
git checkout 4e8a381066e9ae0c1f958fc879151012e9fb7f82
vim +263 drivers/infiniband/core/umem.c
4a35339958f16d drivers/infiniband/core/umem.c Shiraz Saleem2019-05-06
201
f7c6a7b5d59980 drivers/infiniband/core/umem.c Roland Dreier2007-03-04
202 /**
4e8a381066e9ae drivers/infiniband/core/umem.c Jason Gunthorpe 2016-10-27
203 * __ib_umem_get - Pin and DMA map userspace memory.
8ada2c1c0c1d75 drivers/infiniband/core/umem.c Shachar Raindel 2014-12-11
204 *
c320e527e15483 drivers/infiniband/core/umem.c Moni Shoua 2020-01-15
205 * @device: IB device to connect UMEM
f7c6a7b5d59980 drivers/infiniband/core/umem.c Roland Dreier2007-03-04
206 * @addr: userspace virtual address to start at
f7c6a7b5d59980 drivers/infiniband/core/umem.c Roland Dreier2007-03-04
207 * @size: length of region to pin
f7c6a7b5d59980 drivers/infiniband/core/umem.c Roland Dreier2007-03-04
208 * @access: IB_ACCESS_xxx flags for memory being pinned
4e8a381066e9ae drivers/infiniband/core/umem.c Jason Gunthorpe 2016-10-27
209 * @peer_mem_flags: IB_PEER_MEM_xxx flags for memory being used
f7c6a7b5d59980 drivers/infiniband/core/umem.c Roland Dreier2007-03-04
210 */
4e8a381066e9ae drivers/infiniband/core/umem.c Jason Gunthorpe 2016-10-27
211 static struct ib_umem *__ib_umem_get(struct ib_device *device,
4e8a381066e9ae drivers/infiniband/core/umem.c Jason Gunthorpe 2016-10-27
212unsigned long addr, size_t size, int access,
4e8a381066e9ae drivers/infiniband/core/umem.c Jason Gunthorpe 2016-10-27
213unsigned long peer_mem_flags)
eb8ffbfed50e79 drivers/infiniband/core/uverbs_mem.c Roland Dreier2005-07-07
214 {
f7c6a7b5d59980 drivers/infiniband/core/umem.c Roland Dreier2007-03-04
215struct ib_umem *umem;
eb8ffbfed50e79 drivers/infiniband/core/uverbs_mem.c Roland Dreier2005-07-07
216struct page **page_list;
eb8ffbfed50e79 drivers/infiniband/core/uverbs_mem.c Roland Dreier2005-07-07
217unsigned long lock_limit;
c6ce580716372d drivers/infiniband/core/umem.c Doug Ledford 2018-09-21
218unsigned long new_pinned;
eb8ffbfed50e79 drivers/infiniband/core/uverbs_mem.c Roland Dreier2005-07-07
219unsigned long cur_base;
f03d9fadfe13a7 drivers/infiniband/core/umem.c Michael Guralnik 2020-02-12
220unsigned long dma_attr = 0;
d4b4dd1b9706e4 drivers/infiniband/core/umem.c Jason Gunthorpe 2018-09-16
221struct mm_struct *mm;
eb8ffbfed50e79 drivers/infiniband/core/uverbs_mem.c Roland Dreier2005-07-07
222unsigned long npages;
f7c6a7b5d59980 drivers/infiniband/core/umem.c Roland Dreier2007-03-04
223int ret;
d10bcf947a3ea2 drivers/infiniband/core/umem.c Shiraz Saleem2019-04-02
224struct scatterlist *sg;
768ae309a96103 drivers/infiniband/core/umem.c Lorenzo Stoakes 2016-10-13
225unsigned int gup_flags = FOLL_WRITE;
cb9fbc5c37b69a drivers/infiniband/core/umem.c Arthur Kepner2008-04-29
226
8494057ab5e40d drivers/infiniband/core/umem.c Shachar Raindel 2015-03-18
227/*
8494057ab5e40d drivers/infiniband/core/umem.c Shachar Raindel 2015-03-18
228 * If the combination of the addr and size requested for this memory
8494057ab5e40d drivers/infiniband/core/umem.c Shachar Raindel 2015-03-18
229 * region causes an integer overflow, return error.
8494057ab5e40d drivers/infiniband/core/umem.c Shachar Raindel 2015-03-18
230 */
66578b0b2f6965 drivers/infiniband/core/umem.c Yann Droneaud2015-04-13
231if (((addr + size) < addr) ||
66578b0b2f6965 drivers/infiniband/core/umem.c Yann Droneaud2015-04-13
232PAGE_ALIGN(addr + size) < (addr + size))
8494057ab5e40d drivers/infiniband/core/umem.c Shachar Rain
[kbuild] drivers/misc/uacce/uacce.c:414 region_mmio_size_show() warn: should << (12)' be a 64 bit
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Kenneth Lee
CC: Herbert Xu
CC: "Greg Kroah-Hartman"
CC: Jonathan Cameron
CC: Zaibo Xu
CC: Zhou Wang
CC: "Jean-Philippe Brucker"
CC: Zhangfei Gao
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 581cb3a26baf846ee9636214afaa5333919875b1
commit: 015d239ac0142ad0e26567fd890ef8d171f13709 uacce: add uacce driver
date: 7 months ago
:: branch date: 15 hours ago
:: commit date: 7 months ago
config: riscv-randconfig-m031-20200911 (attached as .config)
compiler: riscv32-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
drivers/misc/uacce/uacce.c:414 region_mmio_size_show() warn: should
'uacce->qf_pg_num[0] << (12)' be a 64 bit type?
drivers/misc/uacce/uacce.c:423 region_dus_size_show() warn: should
'uacce->qf_pg_num[1] << (12)' be a 64 bit type?
Old smatch warnings:
arch/riscv/include/asm/current.h:30 get_current() error: uninitialized symbol
'tp'.
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=015d239ac0142ad0e26567fd890ef8d171f13709
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 015d239ac0142ad0e26567fd890ef8d171f13709
vim +414 drivers/misc/uacce/uacce.c
015d239ac0142a Kenneth Lee 2020-02-11 407
015d239ac0142a Kenneth Lee 2020-02-11 408 static ssize_t
region_mmio_size_show(struct device *dev,
015d239ac0142a Kenneth Lee 2020-02-11 409
struct device_attribute *attr, char *buf)
015d239ac0142a Kenneth Lee 2020-02-11 410 {
015d239ac0142a Kenneth Lee 2020-02-11 411 struct uacce_device *uacce =
to_uacce_device(dev);
015d239ac0142a Kenneth Lee 2020-02-11 412
015d239ac0142a Kenneth Lee 2020-02-11 413 return sprintf(buf, "%lu\n",
015d239ac0142a Kenneth Lee 2020-02-11 @414
uacce->qf_pg_num[UACCE_QFRT_MMIO] << PAGE_SHIFT);
015d239ac0142a Kenneth Lee 2020-02-11 415 }
015d239ac0142a Kenneth Lee 2020-02-11 416
015d239ac0142a Kenneth Lee 2020-02-11 417 static ssize_t
region_dus_size_show(struct device *dev,
015d239ac0142a Kenneth Lee 2020-02-11 418
struct device_attribute *attr, char *buf)
015d239ac0142a Kenneth Lee 2020-02-11 419 {
015d239ac0142a Kenneth Lee 2020-02-11 420 struct uacce_device *uacce =
to_uacce_device(dev);
015d239ac0142a Kenneth Lee 2020-02-11 421
015d239ac0142a Kenneth Lee 2020-02-11 422 return sprintf(buf, "%lu\n",
015d239ac0142a Kenneth Lee 2020-02-11 @423
uacce->qf_pg_num[UACCE_QFRT_DUS] << PAGE_SHIFT);
015d239ac0142a Kenneth Lee 2020-02-11 424 }
015d239ac0142a Kenneth Lee 2020-02-11 425
---
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[kbuild] drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:1555 dest_is_valid() error: we previously assumed 'dest' could be null (see line 1545)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 581cb3a26baf846ee9636214afaa5333919875b1
commit: ff189b43568216c6211e9e7ddd9026cb8295e744 net/mlx5: Add ignore level
support fwd to table rules
config: powerpc-randconfig-m031-20200911 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:1555 dest_is_valid() error:
we previously assumed 'dest' could be null (see line 1545)
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ff189b43568216c6211e9e7ddd9026cb8295e744
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout ff189b43568216c6211e9e7ddd9026cb8295e744
vim +/dest +1555 drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
d63cd28608bb563 Maor Gottlieb 2016-04-29 1538 static bool
dest_is_valid(struct mlx5_flow_destination *dest,
ff189b43568216c Paul Blakey 2020-01-05 1539
struct mlx5_flow_act *flow_act,
d63cd28608bb563 Maor Gottlieb 2016-04-29 1540
struct mlx5_flow_table *ft)
d63cd28608bb563 Maor Gottlieb 2016-04-29 1541 {
ff189b43568216c Paul Blakey 2020-01-05 1542 bool ignore_level =
flow_act->flags & FLOW_ACT_IGNORE_FLOW_LEVEL;
ff189b43568216c Paul Blakey 2020-01-05 1543 u32 action =
flow_act->action;
ff189b43568216c Paul Blakey 2020-01-05 1544
bd5251dbf156b6b Amir Vadai2016-05-13 @1545 if (dest && (dest->type
== MLX5_FLOW_DESTINATION_TYPE_COUNTER))
Check for NULL.
171c7625bef9998 Mark Bloch2018-10-03 1546 return
counter_is_valid(action);
bd5251dbf156b6b Amir Vadai2016-05-13 1547
d63cd28608bb563 Maor Gottlieb 2016-04-29 1548 if (!(action &
MLX5_FLOW_CONTEXT_ACTION_FWD_DEST))
d63cd28608bb563 Maor Gottlieb 2016-04-29 1549 return true;
d63cd28608bb563 Maor Gottlieb 2016-04-29 1550
ff189b43568216c Paul Blakey 2020-01-05 1551 if (ignore_level) {
ff189b43568216c Paul Blakey 2020-01-05 1552 if (ft->type !=
FS_FT_FDB)
ff189b43568216c Paul Blakey 2020-01-05 1553 return
false;
ff189b43568216c Paul Blakey 2020-01-05 1554
ff189b43568216c Paul Blakey 2020-01-05 @1555 if (dest->type
== MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE &&
^^
Unchecked dereference.
ff189b43568216c Paul Blakey 2020-01-05 1556
dest->ft->type != FS_FT_FDB)
ff189b43568216c Paul Blakey 2020-01-05 1557 return
false;
ff189b43568216c Paul Blakey 2020-01-05 1558 }
ff189b43568216c Paul Blakey 2020-01-05 1559
d63cd28608bb563 Maor Gottlieb 2016-04-29 1560 if (!dest ||
((dest->type ==
^
Check.
d63cd28608bb563 Maor Gottlieb 2016-04-29 1561
MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE) &&
ff189b43568216c Paul Blakey 2020-01-05 1562 (dest->ft->level <=
ft->level && !ignore_level)))
d63cd28608bb563 Maor Gottlieb 2016-04-29 1563 return false;
d63cd28608bb563 Maor Gottlieb 2016-04-29 1564 return true;
d63cd28608bb563 Maor Gottlieb 2016-04-29 1565 }
---
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[kbuild] drivers/infiniband/hw/mlx5/main.c:1189 mlx5_ib_query_device() error: we previously assumed 'uhw' could be null (see line 837)
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Leon Romanovsky
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 581cb3a26baf846ee9636214afaa5333919875b1
commit: 4835709176e8ccf6561abc9f5c405293e008095f RDMA/mlx5: Don't fake udata
for kernel path
date: 8 months ago
:: branch date: 14 hours ago
:: commit date: 8 months ago
config: powerpc-randconfig-m031-20200911 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
drivers/infiniband/hw/mlx5/main.c:1189 mlx5_ib_query_device() error: we
previously assumed 'uhw' could be null (see line 837)
Old smatch warnings:
drivers/infiniband/hw/mlx5/main.c:614 set_roce_addr() error: we previously
assumed 'gid' could be null (see line 590)
drivers/infiniband/hw/mlx5/main.c:1939 mlx5_ib_alloc_ucontext() error:
uninitialized symbol 'dump_fill_mkey'.
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4835709176e8ccf6561abc9f5c405293e008095f
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 4835709176e8ccf6561abc9f5c405293e008095f
vim +/uhw +1189 drivers/infiniband/hw/mlx5/main.c
1b5daf11b01512 Majd Dibbiny 2015-06-04 813
e126ba97dba9ed Eli Cohen2013-07-07 814 static int
mlx5_ib_query_device(struct ib_device *ibdev,
2528e33e680921 Matan Barak 2015-06-11 815
struct ib_device_attr *props,
2528e33e680921 Matan Barak 2015-06-11 816
struct ib_udata *uhw)
e126ba97dba9ed Eli Cohen2013-07-07 817 {
4835709176e8cc Leon Romanovsky 2020-01-15 818size_t uhw_outlen =
(uhw) ? uhw->outlen : 0;
e126ba97dba9ed Eli Cohen2013-07-07 819struct mlx5_ib_dev *dev
= to_mdev(ibdev);
938fe83c8dcbbf Saeed Mahameed 2015-05-28 820struct mlx5_core_dev
*mdev = dev->mdev;
e126ba97dba9ed Eli Cohen2013-07-07 821int err = -ENOMEM;
288c01b746aab4 Eli Cohen2016-10-27 822int max_sq_desc;
e126ba97dba9ed Eli Cohen2013-07-07 823int max_rq_sg;
e126ba97dba9ed Eli Cohen2013-07-07 824int max_sq_sg;
e0238a6a369eaa Sagi Grimberg2015-07-21 825u64 min_page_size =
1ull << MLX5_CAP_GEN(mdev, log_pg_sz);
85c7c01499a9eb Daniel Jurgens 2018-01-04 826bool raw_support =
!mlx5_core_mp_enabled(mdev);
402ca53644ff19 Bodong Wang 2016-06-17 827struct
mlx5_ib_query_device_resp resp = {};
402ca53644ff19 Bodong Wang 2016-06-17 828size_t resp_len;
402ca53644ff19 Bodong Wang 2016-06-17 829u64 max_tso;
e126ba97dba9ed Eli Cohen2013-07-07 830
402ca53644ff19 Bodong Wang 2016-06-17 831resp_len =
sizeof(resp.comp_mask) + sizeof(resp.response_length);
4835709176e8cc Leon Romanovsky 2020-01-15 832if (uhw_outlen &&
uhw_outlen < resp_len)
402ca53644ff19 Bodong Wang 2016-06-17 833return -EINVAL;
6f26b2ac699cc5 Erez Alfasi 2019-10-02 834
402ca53644ff19 Bodong Wang 2016-06-17 835resp.response_length =
resp_len;
402ca53644ff19 Bodong Wang 2016-06-17 836
4835709176e8cc Leon Romanovsky 2020-01-15 837if (uhw && uhw->inlen
&& !ib_is_udata_cleared(uhw, 0, uhw->inlen))
2528e33e680921 Matan Barak 2015-06-11 838return -EINVAL;
2528e33e680921 Matan Barak 2015-06-11 839
1b5daf11b01512 Majd Dibbiny 2015-06-04 840memset(props, 0,
sizeof(*props));
1b5daf11b01512 Majd Dibbiny 2015-06-04 841err =
mlx5_query_system_image_guid(ibdev,
1b5daf11b01512 Majd Dibbiny 2015-06-04 842
>sys_image_guid);
1b5daf11b01512 Majd Dibbiny 2015-06-04 843if (err)
1b5daf11b01512 Majd Dibbiny 2015-06-04 844return err;
e126ba97dba9ed Eli Cohen2013-07-07 845
1b5daf11b01512 Majd Dibbiny 2015-06-04 846err =
mlx5_query_max_pkeys(ibdev, >max_pkeys);
e126ba97dba9ed Eli Cohen2013-07-07 847if (err)
1b5daf11b01512 Majd Dibbiny 2015-06-04 848return err;
e126ba97dba9ed Eli Cohen2013-07-07 849
1b5daf11b01512 Majd Dibbiny 2015-06-04 850err =
mlx5_query_vendor_id(ibdev, >vendor_id);
1b5daf11b01512 Majd Dibbiny 2015-06-04 851if (err)
1b5daf11b01512 Majd Dibbiny 2015-06-04 852return err;
e126ba97dba9ed Eli Cohen2013-07-07 853
9603b61de1eee9 Jack Morgenstein 2014-07-28 854props->fw_ver =
((u64)fw_rev_maj(dev->mdev) << 32) |
9603b61de1eee9 Jack Morgenstein 2014-07-28 855
(fw_rev_min(de
[kbuild] [linux-next:master 6051/6654] net/rxrpc/conn_client.c:494 rxrpc_maybe_add_conn() warn: inconsistent returns 'bundle->channel_lock'.
CC: kbuild-...@lists.01.org
TO: David Howells
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: 7ce53e3a447bced7b85ed181c4d027e93c062e07
commit: 245500d853e9f20036cec7df4f6984ece4c6bf26 [6051/6654] rxrpc: Rewrite the
client connection manager
:: branch date: 26 hours ago
:: commit date: 3 days ago
config: i386-randconfig-m021-20200911 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
smatch warnings:
net/rxrpc/conn_client.c:494 rxrpc_maybe_add_conn() warn: inconsistent returns
'bundle->channel_lock'.
net/rxrpc/conn_client.c:722 rxrpc_connect_call() error: 'bundle' dereferencing
possible ERR_PTR()
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=245500d853e9f20036cec7df4f6984ece4c6bf26
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout 245500d853e9f20036cec7df4f6984ece4c6bf26
vim +494 net/rxrpc/conn_client.c
45025bceef17ed David Howells 2016-08-24 459
45025bceef17ed David Howells 2016-08-24 460 /*
245500d853e9f2 David Howells 2020-07-01 461 * Add a connection to a bundle
if there are no usable connections or we have
245500d853e9f2 David Howells 2020-07-01 462 * connections waiting for extra
capacity.
45025bceef17ed David Howells 2016-08-24 463 */
245500d853e9f2 David Howells 2020-07-01 464 static void
rxrpc_maybe_add_conn(struct rxrpc_bundle *bundle, gfp_t gfp)
45025bceef17ed David Howells 2016-08-24 465 {
245500d853e9f2 David Howells 2020-07-01 466struct rxrpc_call *call;
245500d853e9f2 David Howells 2020-07-01 467int i, usable;
45025bceef17ed David Howells 2016-08-24 468
245500d853e9f2 David Howells 2020-07-01 469_enter("");
245500d853e9f2 David Howells 2020-07-01 470
245500d853e9f2 David Howells 2020-07-01 471
spin_lock(>channel_lock);
245500d853e9f2 David Howells 2020-07-01 472
245500d853e9f2 David Howells 2020-07-01 473/* See if there are any usable
connections. */
245500d853e9f2 David Howells 2020-07-01 474usable = 0;
245500d853e9f2 David Howells 2020-07-01 475for (i = 0; i <
ARRAY_SIZE(bundle->conns); i++)
245500d853e9f2 David Howells 2020-07-01 476if
(rxrpc_may_reuse_conn(bundle->conns[i]))
245500d853e9f2 David Howells 2020-07-01 477usable++;
245500d853e9f2 David Howells 2020-07-01 478
245500d853e9f2 David Howells 2020-07-01 479if (!usable &&
!list_empty(>waiting_calls)) {
245500d853e9f2 David Howells 2020-07-01 480call =
list_first_entry(>waiting_calls,
245500d853e9f2 David Howells 2020-07-01 481
struct rxrpc_call, chan_wait_link);
245500d853e9f2 David Howells 2020-07-01 482if
(test_bit(RXRPC_CALL_UPGRADE, >flags))
245500d853e9f2 David Howells 2020-07-01 483
bundle->try_upgrade = true;
245500d853e9f2 David Howells 2020-07-01 484}
245500d853e9f2 David Howells 2020-07-01 485
245500d853e9f2 David Howells 2020-07-01 486if (!usable)
245500d853e9f2 David Howells 2020-07-01 487goto alloc_conn;
245500d853e9f2 David Howells 2020-07-01 488
245500d853e9f2 David Howells 2020-07-01 489
spin_unlock(>channel_lock);
245500d853e9f2 David Howells 2020-07-01 490_leave("");
245500d853e9f2 David Howells 2020-07-01 491return;
245500d853e9f2 David Howells 2020-07-01 492
245500d853e9f2 David Howells 2020-07-01 493 alloc_conn:
245500d853e9f2 David Howells 2020-07-01 @494return
rxrpc_add_conn_to_bundle(bundle, gfp);
45025bceef17ed David Howells 2016-08-24 495 }
45025bceef17ed David Howells 2016-08-24 496
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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[kbuild] [linux-next:master 1952/6654] arch/arm/mach-s3c/irq-s3c24xx.c:399:14: warning: Shifting signed 32-bit value by 31 bits is undefined behaviour. See condition at line 396.
CC: kbuild-...@lists.01.org
TO: Arnd Bergmann
CC: Krzysztof Kozlowski
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: 7ce53e3a447bced7b85ed181c4d027e93c062e07
commit: 71b9114d2c13a648fbe6523dd859e611c316ad90 [1952/6654] ARM: s3c: move
into a common directory
:: branch date: 26 hours ago
:: commit date: 3 weeks ago
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
cppcheck warnings: (new ones prefixed by >>)
>> arch/arm/mach-s3c/irq-s3c24xx.c:399:14: warning: Shifting signed 32-bit
>> value by 31 bits is undefined behaviour. See condition at line 396.
>> [shiftTooManyBitsSigned]
intmod = 1 << offs;
^
arch/arm/mach-s3c/irq-s3c24xx.c:396:12: note: Assuming that condition
'offs>31' is not redundant
if (offs > 31)
^
arch/arm/mach-s3c/irq-s3c24xx.c:399:14: note: Shift
intmod = 1 << offs;
^
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=71b9114d2c13a648fbe6523dd859e611c316ad90
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout 71b9114d2c13a648fbe6523dd859e611c316ad90
vim +399 arch/arm/mach-s3c/irq-s3c24xx.c
17453dd2e7df20 arch/arm/mach-s3c24xx/irq.c Heiko Stuebner 2013-03-07
374
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
375 #ifdef CONFIG_FIQ
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
376 /**
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
377 * s3c24xx_set_fiq - set the FIQ routing
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
378 * @irq: IRQ number to route to FIQ on processor.
cd4bd8f9435ddf arch/arm/mach-s3c24xx/irq-s3c24xx.c Arnd Bergmann 2020-08-06
379 * @ack_ptr: pointer to a location for storing the bit mask
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
380 * @on: Whether to route @irq to the FIQ, or to remove the FIQ routing.
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
381 *
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
382 * Change the state of the IRQ to FIQ routing depending on @irq and @on. If
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
383 * @on is true, the @irq is checked to see if it can be routed and the
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
384 * interrupt controller updated to route the IRQ. If @on is false, the FIQ
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
385 * routing is cleared, regardless of which @irq is specified.
cd4bd8f9435ddf arch/arm/mach-s3c24xx/irq-s3c24xx.c Arnd Bergmann 2020-08-06
386 *
cd4bd8f9435ddf arch/arm/mach-s3c24xx/irq-s3c24xx.c Arnd Bergmann 2020-08-06
387 * returns the mask value for the register.
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
388 */
cd4bd8f9435ddf arch/arm/mach-s3c24xx/irq-s3c24xx.c Arnd Bergmann 2020-08-06
389 int s3c24xx_set_fiq(unsigned int irq, u32 *ack_ptr, bool on)
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
390 {
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
391 u32 intmod;
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
392 unsigned offs;
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
393
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
394 if (on) {
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
395 offs = irq - FIQ_START;
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
@396 if (offs > 31)
cd4bd8f9435ddf arch/arm/mach-s3c24xx/irq-s3c24xx.c Arnd Bergmann 2020-08-06
397 return 0;
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
398
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
@399 intmod = 1 << offs;
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
400 } else {
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
401 intmod = 0;
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
402 }
229fd8ffba57df arch/arm/plat-s3c24xx/irq.c Ben Dooks 2009-08-03
403
cd4bd8f9435ddf arch/arm/mach-s3c24xx/irq-s3c24xx.c Arnd Bergmann 2020-08-06
404 if (ack_ptr)
cd4bd8f9435ddf arch/arm/mach-s3c24xx/irq-s3c24xx.c Arnd Bergmann 2020-08-06
405 *ack_ptr = intmod;
353332855eef20
[kbuild] [linux-next:master 2507/6654] kernel/rcu/rcuscale.c:407:19-22: ERROR: reference preceded by free on line 413
CC: kbuild-...@lists.01.org
TO: "Paul E. McKenney"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: 7ce53e3a447bced7b85ed181c4d027e93c062e07
commit: 4e88ec4a9eb17527e640b063f79e5b875733eb53 [2507/6654] rcuperf: Change
rcuperf to rcuscale
:: branch date: 25 hours ago
:: commit date: 2 weeks ago
config: ia64-randconfig-c004-20200911 (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Julia Lawall
coccinelle warnings: (new ones prefixed by >>)
>> kernel/rcu/rcuscale.c:407:19-22: ERROR: reference preceded by free on line
>> 413
kernel/rcu/rcuscale.c:413:10-13: ERROR: reference preceded by free on line
413
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=4e88ec4a9eb17527e640b063f79e5b875733eb53
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout 4e88ec4a9eb17527e640b063f79e5b875733eb53
vim +407 kernel/rcu/rcuscale.c
881ed593a323c83 kernel/rcu/rcuperf.c Paul E. McKenney2017-04-17 353
8704baab9bc848b kernel/rcu/rcuperf.c Paul E. McKenney2015-12-31 354
/*
4e88ec4a9eb1752 kernel/rcu/rcuscale.c Paul E. McKenney2020-08-11 355
* RCU scale writer kthread. Repeatedly does a grace period.
8704baab9bc848b kernel/rcu/rcuperf.c Paul E. McKenney2015-12-31 356
*/
8704baab9bc848b kernel/rcu/rcuperf.c Paul E. McKenney2015-12-31 357
static int
4e88ec4a9eb1752 kernel/rcu/rcuscale.c Paul E. McKenney2020-08-11 358
rcu_scale_writer(void *arg)
8704baab9bc848b kernel/rcu/rcuperf.c Paul E. McKenney2015-12-31 359 {
8704baab9bc848b kernel/rcu/rcuperf.c Paul E. McKenney2015-12-31 360
int i = 0;
8704baab9bc848b kernel/rcu/rcuperf.c Paul E. McKenney2015-12-31 361
int i_max;
8704baab9bc848b kernel/rcu/rcuperf.c Paul E. McKenney2015-12-31 362
long me = (long)arg;
881ed593a323c83 kernel/rcu/rcuperf.c Paul E. McKenney2017-04-17 363
struct rcu_head *rhp = NULL;
8704baab9bc848b kernel/rcu/rcuperf.c Paul E. McKenney2015-12-31 364
bool started = false, done = false, alldone = false;
8704baab9bc848b kernel/rcu/rcuperf.c Paul E. McKenney2015-12-31 365
u64 t;
8704baab9bc848b kernel/rcu/rcuperf.c Paul E. McKenney2015-12-31 366
u64 *wdp;
8704baab9bc848b kernel/rcu/rcuperf.c Paul E. McKenney2015-12-31 367
u64 *wdpp = writer_durations[me];
8704baab9bc848b kernel/rcu/rcuperf.c Paul E. McKenney2015-12-31 368
4e88ec4a9eb1752 kernel/rcu/rcuscale.c Paul E. McKenney2020-08-11 369
VERBOSE_SCALEOUT_STRING("rcu_scale_writer task started");
8704baab9bc848b kernel/rcu/rcuperf.c Paul E. McKenney2015-12-31 370
WARN_ON(!wdpp);
6b558c4c7a4ba41 kernel/rcu/rcuperf.c Paul E. McKenney2016-01-12 371
set_cpus_allowed_ptr(current, cpumask_of(me % nr_cpu_ids));
b1433395c4cc078 kernel/rcu/rcuperf.c Peter Zijlstra 2020-04-21 372
sched_set_fifo_low(current);
df37e66bfdbb57e kernel/rcu/rcuperf.c Paul E. McKenney2016-01-30 373
df37e66bfdbb57e kernel/rcu/rcuperf.c Paul E. McKenney2016-01-30 374
if (holdoff)
df37e66bfdbb57e kernel/rcu/rcuperf.c Paul E. McKenney2016-01-30 375
schedule_timeout_uninterruptible(holdoff * HZ);
df37e66bfdbb57e kernel/rcu/rcuperf.c Paul E. McKenney2016-01-30 376
77e9752ce69f36f kernel/rcu/rcuperf.c Joel Fernandes (Google 2019-07-04 377)
/*
77e9752ce69f36f kernel/rcu/rcuperf.c Joel Fernandes (Google 2019-07-04 378)
* Wait until rcu_end_inkernel_boot() is called for normal GP tests
77e9752ce69f36f kernel/rcu/rcuperf.c Joel Fernandes (Google 2019-07-04 379)
* so that RCU is not always expedited for normal GP tests.
77e9752ce69f36f kernel/rcu/rcuperf.c Joel Fernandes (Google 2019-07-04 380)
* The system_state test is approximate, but works well in practice.
77e9752ce69f36f kernel/rcu/rcuperf.c Joel Fernandes (Google 2019-07-04 381)
*/
77e9752ce69f36f kernel/rcu/rcuperf.c Joel Fernandes (Google 2019-07-04 382)
while (!gp_exp && system_state != SYSTEM_RUNNING)
77e9752ce69f36f kernel/rcu/rcuperf.c Joel Fernandes (Google 2019-07-04 383)
schedule_timeout_uninterruptible(1);
77e9752ce69f36f kernel/rcu/rcuperf.c Joel Fernandes (Google 2019-07-04 384)
8704baab9bc848b kernel/rcu/rcuperf.c Paul E. McKenney2015-12-31 385
t = ktime_get_mono_fast_ns();
4e88ec4a9eb1752 kernel/rcu/rcuscale.c Paul E. McKenney2020-08-11 386
if (atomic_inc_return(_rcu_scale_writer_started) >= nrealwriters) {
4e88ec4a9eb1752 kernel/rcu/rcuscale.c Paul E. McKenney2020-08-11 387
t_rcu_scale_writer_started = t;
8704baab9bc848b kernel/rcu/r
[kbuild] drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:1555 dest_is_valid() error: we previously assumed 'dest' could be null (see line 1545)
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Paul Blakey
CC: Saeed Mahameed
CC: Mark Bloch
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 581cb3a26baf846ee9636214afaa5333919875b1
commit: ff189b43568216c6211e9e7ddd9026cb8295e744 net/mlx5: Add ignore level
support fwd to table rules
date: 8 months ago
:: branch date: 12 hours ago
:: commit date: 8 months ago
config: powerpc-randconfig-m031-20200911 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:1555 dest_is_valid() error:
we previously assumed 'dest' could be null (see line 1545)
Old smatch warnings:
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:1818 _mlx5_add_flow_rules()
error: double unlocked 'ft->node.lock' (orig line 1810)
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:1834 _mlx5_add_flow_rules()
error: double unlocked 'ft->node.lock' (orig line 1810)
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:1840 _mlx5_add_flow_rules()
error: double unlocked 'ft->node.lock' (orig line 1810)
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:1846 _mlx5_add_flow_rules()
error: double unlocked 'ft->node.lock' (orig line 1810)
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:1859 _mlx5_add_flow_rules()
error: double unlocked 'fte->node.lock' (orig line 1857)
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ff189b43568216c6211e9e7ddd9026cb8295e744
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout ff189b43568216c6211e9e7ddd9026cb8295e744
vim +/dest +1555 drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
bd5251dbf156b6b Amir Vadai2016-05-13 1537
d63cd28608bb563 Maor Gottlieb 2016-04-29 1538 static bool
dest_is_valid(struct mlx5_flow_destination *dest,
ff189b43568216c Paul Blakey 2020-01-05 1539
struct mlx5_flow_act *flow_act,
d63cd28608bb563 Maor Gottlieb 2016-04-29 1540
struct mlx5_flow_table *ft)
d63cd28608bb563 Maor Gottlieb 2016-04-29 1541 {
ff189b43568216c Paul Blakey 2020-01-05 1542 bool ignore_level =
flow_act->flags & FLOW_ACT_IGNORE_FLOW_LEVEL;
ff189b43568216c Paul Blakey 2020-01-05 1543 u32 action =
flow_act->action;
ff189b43568216c Paul Blakey 2020-01-05 1544
bd5251dbf156b6b Amir Vadai2016-05-13 @1545 if (dest && (dest->type
== MLX5_FLOW_DESTINATION_TYPE_COUNTER))
171c7625bef9998 Mark Bloch2018-10-03 1546 return
counter_is_valid(action);
bd5251dbf156b6b Amir Vadai2016-05-13 1547
d63cd28608bb563 Maor Gottlieb 2016-04-29 1548 if (!(action &
MLX5_FLOW_CONTEXT_ACTION_FWD_DEST))
d63cd28608bb563 Maor Gottlieb 2016-04-29 1549 return true;
d63cd28608bb563 Maor Gottlieb 2016-04-29 1550
ff189b43568216c Paul Blakey 2020-01-05 1551 if (ignore_level) {
ff189b43568216c Paul Blakey 2020-01-05 1552 if (ft->type !=
FS_FT_FDB)
ff189b43568216c Paul Blakey 2020-01-05 1553 return
false;
ff189b43568216c Paul Blakey 2020-01-05 1554
ff189b43568216c Paul Blakey 2020-01-05 @1555 if (dest->type
== MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE &&
ff189b43568216c Paul Blakey 2020-01-05 1556
dest->ft->type != FS_FT_FDB)
ff189b43568216c Paul Blakey 2020-01-05 1557 return
false;
ff189b43568216c Paul Blakey 2020-01-05 1558 }
ff189b43568216c Paul Blakey 2020-01-05 1559
d63cd28608bb563 Maor Gottlieb 2016-04-29 1560 if (!dest ||
((dest->type ==
d63cd28608bb563 Maor Gottlieb 2016-04-29 1561
MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE) &&
ff189b43568216c Paul Blakey 2020-01-05 1562 (dest->ft->level <=
ft->level && !ignore_level)))
d63cd28608bb563 Maor Gottlieb 2016-04-29 1563 return false;
d63cd28608bb563 Maor Gottlieb 2016-04-29 1564 return true;
d63cd28608bb563 Maor Gottlieb 2016-04-29 1565 }
d63cd28608bb563 Maor Gottlieb 2016-04-29 1566
---
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[kbuild] [linux-next:master 6050/6654] net/rxrpc/call_object.c:375 rxrpc_new_client_call() warn: inconsistent returns
CC: kbuild-...@lists.01.org
TO: David Howells
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: 7ce53e3a447bced7b85ed181c4d027e93c062e07
commit: b7a7d67408032843c14071711d6259aada9392f0 [6050/6654] rxrpc: Impose a
maximum number of client calls
:: branch date: 24 hours ago
:: commit date: 2 days ago
config: i386-randconfig-m021-20200911 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
net/rxrpc/call_object.c:375 rxrpc_new_client_call() warn: inconsistent returns
'*limiter'.
Old smatch warnings:
net/rxrpc/call_object.c:375 rxrpc_new_client_call() warn: inconsistent returns
'call->user_mutex'.
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=b7a7d67408032843c14071711d6259aada9392f0
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout b7a7d67408032843c14071711d6259aada9392f0
vim +375 net/rxrpc/call_object.c
b7a7d6740803284 net/rxrpc/call_object.c David Howells 2020-07-02 244
17926a79320afa9 net/rxrpc/ar-call.c David Howells 2007-04-26 245 /*
540b1c48c37ac0a net/rxrpc/call_object.c David Howells 2017-02-27 246 * Set
up a call for the given parameters.
540b1c48c37ac0a net/rxrpc/call_object.c David Howells 2017-02-27 247 * -
Called with the socket lock held, which it must release.
540b1c48c37ac0a net/rxrpc/call_object.c David Howells 2017-02-27 248 * - If
it returns a call, the call's lock will need releasing by the caller.
17926a79320afa9 net/rxrpc/ar-call.c David Howells 2007-04-26 249 */
2341e0775747864 net/rxrpc/ar-call.c David Howells 2016-06-09 250 struct
rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx,
19ffa01c9c45861 net/rxrpc/call_object.c David Howells 2016-04-04 251
struct rxrpc_conn_parameters *cp,
999b69f89241c93 net/rxrpc/call_object.c David Howells 2016-06-17 252
struct sockaddr_rxrpc *srx,
4812417894770f8 net/rxrpc/call_object.c David Howells 2017-11-24 253
struct rxrpc_call_params *p,
a25e21f0bcd2567 net/rxrpc/call_object.c David Howells 2018-03-27 254
gfp_t gfp,
a25e21f0bcd2567 net/rxrpc/call_object.c David Howells 2018-03-27 255
unsigned int debug_id)
540b1c48c37ac0a net/rxrpc/call_object.c David Howells 2017-02-27 256
__releases(>sk.sk_lock.slock)
88f2a8257c9aa7d net/rxrpc/call_object.c David Howells 2018-03-30 257
__acquires(>user_mutex)
17926a79320afa9 net/rxrpc/ar-call.c David Howells 2007-04-26 258 {
2341e0775747864 net/rxrpc/ar-call.c David Howells 2016-06-09 259 struct
rxrpc_call *call, *xcall;
d3be4d244330f7e net/rxrpc/call_object.c David Howells 2018-03-30 260 struct
rxrpc_net *rxnet;
b7a7d6740803284 net/rxrpc/call_object.c David Howells 2020-07-02 261 struct
semaphore *limiter;
2341e0775747864 net/rxrpc/ar-call.c David Howells 2016-06-09 262 struct
rb_node *parent, **pp;
e34d4234b0b77a8 net/rxrpc/call_object.c David Howells 2016-08-30 263 const
void *here = __builtin_return_address(0);
999b69f89241c93 net/rxrpc/call_object.c David Howells 2016-06-17 264 int ret;
17926a79320afa9 net/rxrpc/ar-call.c David Howells 2007-04-26 265
4812417894770f8 net/rxrpc/call_object.c David Howells 2017-11-24 266
_enter("%p,%lx", rx, p->user_call_ID);
17926a79320afa9 net/rxrpc/ar-call.c David Howells 2007-04-26 267
b7a7d6740803284 net/rxrpc/call_object.c David Howells 2020-07-02 268 limiter
= rxrpc_get_call_slot(p, gfp);
b7a7d6740803284 net/rxrpc/call_object.c David Howells 2020-07-02 269 if
(!limiter)
b7a7d6740803284 net/rxrpc/call_object.c David Howells 2020-07-02 270
return ERR_PTR(-ERESTARTSYS);
b7a7d6740803284 net/rxrpc/call_object.c David Howells 2020-07-02 271
a25e21f0bcd2567 net/rxrpc/call_object.c David Howells 2018-03-27 272 call =
rxrpc_alloc_client_call(rx, srx, gfp, debug_id);
2341e0775747864 net/rxrpc/ar-call.c David Howells 2016-06-09 273 if
(IS_ERR(call)) {
540b1c48c37ac0a net/rxrpc/call_object.c David Howells 2017-02-27 274
release_sock(>sk);
b7a7d6740803284 net/rxrpc/call_object.c David Howells 2020-07-02 275
up(limiter);
2341e0775747864 net/rxrpc/ar-call.c David Howells 2016-06-09 276
_leave(" = %ld", PTR_ERR(call));
2341e0775747864 net/rxrpc/ar-call.c David Howells 2016-06-09 277
return call;
17926a79320afa9 net/rxrpc/ar-call.c David Howells 2007-04-26 278 }
17926a79320afa9 net/rxrpc/ar-call.c David Howells 2007-04-26 279
e138aa7d3271ac1 net/rxrpc/call_object.c David Howells 2020-03-13 280
call->interruptibility = p-
[kbuild] include/linux/spinlock.h:404:9: sparse: sparse: context imbalance in 'am335x_tscadc_need_adc' - unexpected unlock
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Nicholas Piggin
CC: Peter Zijlstra
CC: "Steven Rostedt (VMware)"
CC: Thomas Gleixner
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 581cb3a26baf846ee9636214afaa5333919875b1
commit: 044d0d6de9f50192f9697583504a382347ee95ca lockdep: Only trace IRQ edges
date: 2 weeks ago
:: branch date: 11 hours ago
:: commit date: 2 weeks ago
config: parisc-randconfig-s031-20200911 (attached as .config)
compiler: hppa-linux-gcc (GCC) 9.3.0
reproduce:
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.2-191-g10164920-dirty
git checkout 044d0d6de9f50192f9697583504a382347ee95ca
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=parisc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
sparse warnings: (new ones prefixed by >>)
drivers/mfd/ti_am335x_tscadc.c: note: in included file (through
include/linux/mmzone.h, include/linux/gfp.h, include/linux/umh.h,
include/linux/kmod.h, ...):
>> include/linux/spinlock.h:404:9: sparse: sparse: context imbalance in
>> 'am335x_tscadc_need_adc' - unexpected unlock
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=044d0d6de9f50192f9697583504a382347ee95ca
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 044d0d6de9f50192f9697583504a382347ee95ca
vim +/am335x_tscadc_need_adc +404 include/linux/spinlock.h
c2f21ce2e31286 Thomas Gleixner 2009-12-02 401
3490565b633c70 Denys Vlasenko 2015-07-13 402 static __always_inline void
spin_unlock_irq(spinlock_t *lock)
c2f21ce2e31286 Thomas Gleixner 2009-12-02 403 {
c2f21ce2e31286 Thomas Gleixner 2009-12-02 @404
raw_spin_unlock_irq(>rlock);
c2f21ce2e31286 Thomas Gleixner 2009-12-02 405 }
c2f21ce2e31286 Thomas Gleixner 2009-12-02 406
:: The code at line 404 was first introduced by commit
:: c2f21ce2e31286a0a32f8da0a7856e9ca1122ef3 locking: Implement new
raw_spinlock
:: TO: Thomas Gleixner
:: CC: Thomas Gleixner
---
0-DAY CI Kernel Test Service, Intel Corporation
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[kbuild] include/linux/spinlock.h:408:9: sparse: sparse: context imbalance in 'destroy_id_handler_unlock' - wrong count at exit
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Jason Gunthorpe
CC: Leon Romanovsky
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 581cb3a26baf846ee9636214afaa5333919875b1
commit: f6a9d47ae6854980fc4b1676f1fe9f9fa45ea4e2 RDMA/cma: Execute rdma_cm
destruction from a handler properly
date: 6 weeks ago
:: branch date: 10 hours ago
:: commit date: 6 weeks ago
config: parisc-randconfig-s031-20200911 (attached as .config)
compiler: hppa-linux-gcc (GCC) 9.3.0
reproduce:
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.2-191-g10164920-dirty
git checkout f6a9d47ae6854980fc4b1676f1fe9f9fa45ea4e2
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=parisc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
sparse warnings: (new ones prefixed by >>)
drivers/infiniband/core/cma.c: note: in included file (through
include/linux/swait.h, include/linux/completion.h):
>> include/linux/spinlock.h:408:9: sparse: sparse: context imbalance in
>> 'destroy_id_handler_unlock' - wrong count at exit
drivers/infiniband/core/cma.c:1876:6: sparse: sparse: context imbalance in
'rdma_destroy_id' - unexpected unlock
drivers/infiniband/core/cma.c:2016:17: sparse: sparse: context imbalance in
'cma_ib_handler' - unexpected unlock
drivers/infiniband/core/cma.c:2207:17: sparse: sparse: context imbalance in
'cma_ib_req_handler' - unexpected unlock
drivers/infiniband/core/cma.c:2331:17: sparse: sparse: context imbalance in
'cma_iw_handler' - unexpected unlock
drivers/infiniband/core/cma.c:2379:17: sparse: sparse: context imbalance in
'iw_conn_req_handler' - unexpected unlock
drivers/infiniband/core/cma.c:2647:17: sparse: sparse: context imbalance in
'cma_work_handler' - unexpected unlock
drivers/infiniband/core/cma.c:2670:17: sparse: sparse: context imbalance in
'cma_ndev_work_handler' - unexpected unlock
drivers/infiniband/core/cma.c:3154:17: sparse: sparse: context imbalance in
'addr_handler' - unexpected unlock
drivers/infiniband/core/cma.c:3808:17: sparse: sparse: context imbalance in
'cma_sidr_rep_handler' - unexpected unlock
drivers/infiniband/core/cma.c:4339:17: sparse: sparse: context imbalance in
'cma_ib_mc_handler' - unexpected unlock
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f6a9d47ae6854980fc4b1676f1fe9f9fa45ea4e2
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout f6a9d47ae6854980fc4b1676f1fe9f9fa45ea4e2
vim +/destroy_id_handler_unlock +408 include/linux/spinlock.h
c2f21ce2e31286 Thomas Gleixner 2009-12-02 405
3490565b633c70 Denys Vlasenko 2015-07-13 406 static __always_inline void
spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags)
c2f21ce2e31286 Thomas Gleixner 2009-12-02 407 {
c2f21ce2e31286 Thomas Gleixner 2009-12-02 @408
raw_spin_unlock_irqrestore(>rlock, flags);
c2f21ce2e31286 Thomas Gleixner 2009-12-02 409 }
c2f21ce2e31286 Thomas Gleixner 2009-12-02 410
:: The code at line 408 was first introduced by commit
:: c2f21ce2e31286a0a32f8da0a7856e9ca1122ef3 locking: Implement new
raw_spinlock
:: TO: Thomas Gleixner
:: CC: Thomas Gleixner
---
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