[kbuild] drivers/gpu/drm/i915/gt/intel_breadcrumbs.c:33:1: iwyu: warning: superfluous #include "intel_engine_pm.h"
CC: kbuild-...@lists.01.org CC: linux-ker...@vger.kernel.org TO: Chris Wilson CC: Rodrigo Vivi CC: Tvrtko Ursulin tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7d549995d4e0d99b68e8a7793a0d23da6fc40fe8 commit: 08b49e14ec4f88f87a3a8443fca944dc2768066b drm/i915/gt: Defer enabling the breadcrumb interrupt to after submission date: 8 months ago :: branch date: 9 hours ago :: commit date: 8 months ago config: x86_64-randconfig-b001-20210705 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 89c1c64cc3170a05a881bb9954feafc3edca6704) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # apt-get install iwyu # include-what-you-use # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=08b49e14ec4f88f87a3a8443fca944dc2768066b git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 08b49e14ec4f88f87a3a8443fca944dc2768066b # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross C=1 CHECK=iwyu O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/edac/ drivers/gpu/drm/gma500/ drivers/gpu/drm/i915/ drivers/gpu/drm/vmwgfx/ drivers/platform/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot iwyu warnings: (new ones prefixed by >>) drivers/gpu/drm/i915/gt/intel_breadcrumbs.c:25:1: iwyu: warning: superfluous #include drivers/gpu/drm/i915/gt/intel_breadcrumbs.c:27:1: iwyu: warning: superfluous #include drivers/gpu/drm/i915/gt/intel_breadcrumbs.c:29:1: iwyu: warning: superfluous #include "i915_drv.h" drivers/gpu/drm/i915/gt/intel_breadcrumbs.c:30:1: iwyu: warning: superfluous #include "i915_trace.h" >> drivers/gpu/drm/i915/gt/intel_breadcrumbs.c:33:1: iwyu: warning: superfluous >> #include "intel_engine_pm.h" vim +33 drivers/gpu/drm/i915/gt/intel_breadcrumbs.c c81d46138da658 drivers/gpu/drm/i915/intel_breadcrumbs.cChris Wilson 2016-07-01 28 688e6c7258164d drivers/gpu/drm/i915/intel_breadcrumbs.cChris Wilson 2016-07-01 29 #include "i915_drv.h" a09d9a8002368e drivers/gpu/drm/i915/gt/intel_breadcrumbs.c Jani Nikula 2019-08-06 30 #include "i915_trace.h" b3786b29379c0e drivers/gpu/drm/i915/gt/intel_breadcrumbs.c Chris Wilson 2020-07-31 31 #include "intel_breadcrumbs.h" e23005604b2f81 drivers/gpu/drm/i915/gt/intel_breadcrumbs.c Chris Wilson 2020-08-01 32 #include "intel_context.h" 08b49e14ec4f88 drivers/gpu/drm/i915/gt/intel_breadcrumbs.c Chris Wilson 2020-11-23 @33 #include "intel_engine_pm.h" 045d1fb79616f1 drivers/gpu/drm/i915/gt/intel_breadcrumbs.c Chris Wilson 2019-12-05 34 #include "intel_gt_pm.h" dc93c9b6931516 drivers/gpu/drm/i915/gt/intel_breadcrumbs.c Chris Wilson 2019-12-19 35 #include "intel_gt_requests.h" 688e6c7258164d drivers/gpu/drm/i915/intel_breadcrumbs.cChris Wilson 2016-07-01 36 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org .config.gz Description: application/gzip ___ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
[kbuild] arch/x86/xen/smp_hvm.c:2:1: iwyu: warning: superfluous #include
CC: kbuild-...@lists.01.org CC: linux-ker...@vger.kernel.org TO: Peter Zijlstra CC: Ingo Molnar tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7d549995d4e0d99b68e8a7793a0d23da6fc40fe8 commit: 0cd39f4600ed4de859383018eb10f0f724900e1b locking/seqlock, headers: Untangle the spaghetti monster date: 12 months ago :: branch date: 5 hours ago :: commit date: 12 months ago config: x86_64-randconfig-b001-20210719 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 5d5b08761f944d5b9822d582378333cc4b36a0a7) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # apt-get install iwyu # include-what-you-use # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0cd39f4600ed4de859383018eb10f0f724900e1b git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 0cd39f4600ed4de859383018eb10f0f724900e1b # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross C=1 CHECK=iwyu O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/hyperv/ arch/x86/kernel/ arch/x86/xen/ drivers/hid/ drivers/hv/ drivers/iommu/ drivers/misc/ drivers/platform/ drivers/power/supply/ kernel/kcsan/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot iwyu warnings: (new ones prefixed by >>) >> arch/x86/xen/smp_hvm.c:2:1: iwyu: warning: superfluous #include >> arch/x86/xen/smp_hvm.c:5:1: iwyu: warning: superfluous #include vim +2 arch/x86/xen/smp_hvm.c 0cd39f4600ed4d Peter Zijlstra 2020-08-06 @2 #include a52482d9355e25 Vitaly Kuznetsov 2017-03-14 3 #include a52482d9355e25 Vitaly Kuznetsov 2017-03-14 4 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org .config.gz Description: application/gzip ___ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
[kbuild] Re: [PATCH bpf-next v1 2/5] af_unix: add unix_stream_proto for sockmap
CC: clang-built-li...@googlegroups.com
CC: kbuild-...@lists.01.org
In-Reply-To: <20210727001252.1287673-3-jiang.w...@bytedance.com>
References: <20210727001252.1287673-3-jiang.w...@bytedance.com>
TO: Jiang Wang
TO: net...@vger.kernel.org
CC: cong.w...@bytedance.com
CC: duanxiongc...@bytedance.com
CC: xieyon...@bytedance.com
CC: chaiwen...@bytedance.com
CC: Jakub Kicinski
CC: John Fastabend
CC: Daniel Borkmann
CC: Jakub Sitnicki
CC: Lorenz Bauer
Hi Jiang,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on bpf-next/master]
url:
https://github.com/0day-ci/linux/commits/Jiang-Wang/sockmap-add-sockmap-support-for-unix-stream-socket/20210727-081531
base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
:: branch date: 26 hours ago
:: commit date: 26 hours ago
config: x86_64-randconfig-c001-20210727 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project
c658b472f3e61e1818e1909bf02f3d65470018a5)
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
#
https://github.com/0day-ci/linux/commit/607ed02e3232aa57995e87230faad770b810a64a
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Jiang-Wang/sockmap-add-sockmap-support-for-unix-stream-socket/20210727-081531
git checkout 607ed02e3232aa57995e87230faad770b810a64a
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
clang-analyzer warnings: (new ones prefixed by >>)
^~~~
net/unix/af_unix.c:1251:34: warning: Dereference of null pointer
[clang-analyzer-core.NullDereference]
sk->sk_state = other->sk_state = TCP_ESTABLISHED;
^
net/unix/af_unix.c:1189:6: note: Assuming the condition is false
if (alen < offsetofend(struct sockaddr, sa_family))
^~
net/unix/af_unix.c:1189:2: note: Taking false branch
if (alen < offsetofend(struct sockaddr, sa_family))
^
net/unix/af_unix.c:1192:6: note: Assuming field 'sa_family' is equal to
AF_UNSPEC
if (addr->sa_family != AF_UNSPEC) {
^~~~
net/unix/af_unix.c:1192:2: note: Taking false branch
if (addr->sa_family != AF_UNSPEC) {
^
net/unix/af_unix.c:1228:3: note: Null pointer value stored to 'other'
other = NULL;
^~~~
net/unix/af_unix.c:1235:6: note: Assuming field 'peer' is null
if (unix_peer(sk)) {
^
net/unix/af_unix.c:180:23: note: expanded from macro 'unix_peer'
#define unix_peer(sk) (unix_sk(sk)->peer)
^~~
net/unix/af_unix.c:1235:2: note: Taking false branch
if (unix_peer(sk)) {
^
net/unix/af_unix.c:1247:3: note: Calling 'unix_state_double_unlock'
unix_state_double_unlock(sk, other);
^~~
net/unix/af_unix.c:1170:15: note: 'sk1' is not equal to 'sk2'
if (unlikely(sk1 == sk2) || !sk2) {
^
include/linux/compiler.h:48:41: note: expanded from macro 'unlikely'
# define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
^
include/linux/compiler.h:33:34: note: expanded from macro '__branch_check__'
__r = __builtin_expect(!!(x), expect); \
^
net/unix/af_unix.c:1170:15: note: 'sk1' is not equal to 'sk2'
if (unlikely(sk1 == sk2) || !sk2) {
^
include/linux/compiler.h:48:68: note: expanded from macro 'unlikely'
# define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
^
include/linux/compiler.h:35:19: note: expanded from macro '__branch_check__'
expect, is_constant); \
^~~
net/unix/af_unix.c:1170:6: note: Left side of '||' is false
if (unlikely(sk1 == sk2) || !sk2) {
^
include/linux/com
[kbuild] drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:4377:17: warning: Uninitialized variable: qidx [uninitvar]
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Sunil Goutham
CC: Subbaraya Sundeep
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 7d549995d4e0d99b68e8a7793a0d23da6fc40fe8
commit: e8e095b3b37004a4048af69de60c9af2d2268a1d octeontx2-af: cn10k: Bandwidth
profiles config support
date: 6 weeks ago
:: branch date: 5 hours ago
:: commit date: 6 weeks ago
compiler: s390-linux-gcc (GCC) 10.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
cppcheck possible warnings: (new ones prefixed by >>, may not real problems)
drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2391:3: warning: Address
of local auto-variable assigned to a function parameter. [autoVariables]
*mce_list = &pfvf->bcast_mce_list;
^
drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2394:3: warning: Address
of local auto-variable assigned to a function parameter. [autoVariables]
*mce_list = &pfvf->mcast_mce_list;
^
drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2397:3: warning: Address
of local auto-variable assigned to a function parameter. [autoVariables]
*mce_list = &pfvf->promisc_mce_list;
^
>> drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:4377:17: warning:
>> Uninitialized variable: qidx [uninitvar]
aq_req->qidx = qidx;
^
>> drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:4460:29: warning:
>> Uninitialized variable: leaf_match [uninitvar]
NIX_AQ_CTYPE_BANDPROF, leaf_match);
^
vim +4377 drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
e8e095b3b37004 Sunil Goutham 2021-06-15 4367
e8e095b3b37004 Sunil Goutham 2021-06-15 4368 static int
nix_aq_context_read(struct rvu *rvu, struct nix_hw *nix_hw,
e8e095b3b37004 Sunil Goutham 2021-06-15 4369 struct
nix_cn10k_aq_enq_req *aq_req,
e8e095b3b37004 Sunil Goutham 2021-06-15 4370 struct
nix_cn10k_aq_enq_rsp *aq_rsp,
e8e095b3b37004 Sunil Goutham 2021-06-15 4371 u16
pcifunc, u8 ctype, u32 qidx)
e8e095b3b37004 Sunil Goutham 2021-06-15 4372 {
e8e095b3b37004 Sunil Goutham 2021-06-15 4373 memset(aq_req, 0, sizeof(struct
nix_cn10k_aq_enq_req));
e8e095b3b37004 Sunil Goutham 2021-06-15 4374 aq_req->hdr.pcifunc = pcifunc;
e8e095b3b37004 Sunil Goutham 2021-06-15 4375 aq_req->ctype = ctype;
e8e095b3b37004 Sunil Goutham 2021-06-15 4376 aq_req->op = NIX_AQ_INSTOP_READ;
e8e095b3b37004 Sunil Goutham 2021-06-15 @4377 aq_req->qidx = qidx;
e8e095b3b37004 Sunil Goutham 2021-06-15 4378
e8e095b3b37004 Sunil Goutham 2021-06-15 4379 return
rvu_nix_blk_aq_enq_inst(rvu, nix_hw,
e8e095b3b37004 Sunil Goutham 2021-06-15 4380
(struct nix_aq_enq_req *)aq_req,
e8e095b3b37004 Sunil Goutham 2021-06-15 4381
(struct nix_aq_enq_rsp *)aq_rsp);
e8e095b3b37004 Sunil Goutham 2021-06-15 4382 }
e8e095b3b37004 Sunil Goutham 2021-06-15 4383
e8e095b3b37004 Sunil Goutham 2021-06-15 4384 static int
nix_ipolicer_map_leaf_midprofs(struct rvu *rvu,
e8e095b3b37004 Sunil Goutham 2021-06-15 4385
struct nix_hw *nix_hw,
e8e095b3b37004 Sunil Goutham 2021-06-15 4386
struct nix_cn10k_aq_enq_req *aq_req,
e8e095b3b37004 Sunil Goutham 2021-06-15 4387
struct nix_cn10k_aq_enq_rsp *aq_rsp,
e8e095b3b37004 Sunil Goutham 2021-06-15 4388
u32 leaf_prof, u16 mid_prof)
e8e095b3b37004 Sunil Goutham 2021-06-15 4389 {
e8e095b3b37004 Sunil Goutham 2021-06-15 4390 memset(aq_req, 0, sizeof(struct
nix_cn10k_aq_enq_req));
e8e095b3b37004 Sunil Goutham 2021-06-15 4391 aq_req->hdr.pcifunc = 0x00;
e8e095b3b37004 Sunil Goutham 2021-06-15 4392 aq_req->ctype =
NIX_AQ_CTYPE_BANDPROF;
e8e095b3b37004 Sunil Goutham 2021-06-15 4393 aq_req->op =
NIX_AQ_INSTOP_WRITE;
e8e095b3b37004 Sunil Goutham 2021-06-15 4394 aq_req->qidx = leaf_prof;
e8e095b3b37004 Sunil Goutham 2021-06-15 4395
e8e095b3b37004 Sunil Goutham 2021-06-15 4396 aq_req->prof.band_prof_id =
mid_prof;
e8e095b3b37004 Sunil Goutham 2021-06-15 4397 aq_req->prof_mask.band_prof_id
= GENMASK(6, 0);
e8e095b3b37004 Sunil Goutham 2021-06-15 4398 aq_req->prof.hl_en = 1;
e8e095b3b37004 Sunil Goutham 2021-06-15 4399 aq_req->prof_mask.hl_en = 1;
e8e095b3b37004 Sunil Goutham 2021-06-15 4400
e8e095b3b37004 Sunil Goutham 2021-06-15 4401 return
rvu_nix_blk_aq_enq_inst(rvu, nix_hw,
e8e095b3b37004 Sunil Goutham 2021-06-15 4402
(struct nix_aq_enq_req *)aq_req,
e8e095b3b37004 Sunil Goutham 2021-06-15 4403
(struct nix_aq_enq_rsp *)aq_rsp);
e8e095b3b37004 Sunil Goutham 2021-06-15 4404 }
e8e095b3b37004 Sunil Goutham 2021-06-15 4405
e8e095b3b37004 Sunil Goutham 202
[kbuild] [djwong-xfs:vectorized-scrub 71/306] fs/xfs/libxfs/xfs_bmap_btree.c:646:9: warning: Assigned value is garbage or undefined [clang-analyzer-core.uninitialized.Assign]
CC: clang-built-li...@googlegroups.com
CC: kbuild-...@lists.01.org
CC: "Darrick J. Wong"
CC: linux-ker...@vger.kernel.org
TO: "Darrick J. Wong"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git
vectorized-scrub
head: 653d694bd02b6f3aa956b6efe9476a7b948faa96
commit: d3c651c31aab150baf49475b2f2fc87eb852c229 [71/306] xfs: repair inode
block maps
:: branch date: 4 days ago
:: commit date: 4 days ago
config: x86_64-randconfig-c001-20210723 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project
3f2c1e99e44d028d5e9dd685f3c568f2661f2f68)
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
#
https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git/commit/?id=d3c651c31aab150baf49475b2f2fc87eb852c229
git remote add djwong-xfs
https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git
git fetch --no-tags djwong-xfs vectorized-scrub
git checkout d3c651c31aab150baf49475b2f2fc87eb852c229
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
clang-analyzer warnings: (new ones prefixed by >>)
^
fs/xfs/xfs_fsmap.c:615:2: note: Assuming 'pag' is not equal to null
for_each_perag_range(mp, start_ag, end_ag, pag) {
^
fs/xfs/libxfs/xfs_ag.h:140:3: note: expanded from macro
'for_each_perag_range'
(pag) != NULL && (next_agno) <= (end_agno); \
^
fs/xfs/xfs_fsmap.c:615:2: note: Left side of '&&' is true
for_each_perag_range(mp, start_ag, end_ag, pag) {
^
fs/xfs/libxfs/xfs_ag.h:140:3: note: expanded from macro
'for_each_perag_range'
(pag) != NULL && (next_agno) <= (end_agno); \
^
fs/xfs/xfs_fsmap.c:615:2: note: Assuming 'start_ag' is <= 'end_ag'
for_each_perag_range(mp, start_ag, end_ag, pag) {
^
fs/xfs/libxfs/xfs_ag.h:140:20: note: expanded from macro
'for_each_perag_range'
(pag) != NULL && (next_agno) <= (end_agno); \
^
fs/xfs/xfs_fsmap.c:615:2: note: Loop condition is true. Entering loop body
for_each_perag_range(mp, start_ag, end_ag, pag) {
^
fs/xfs/libxfs/xfs_ag.h:139:2: note: expanded from macro
'for_each_perag_range'
for ((pag) = xfs_perag_get((mp), (next_agno)); \
^
fs/xfs/xfs_fsmap.c:621:7: note: Assuming 'end_ag' is not equal to field
'pag_agno'
if (pag->pag_agno == end_ag) {
^~~
fs/xfs/xfs_fsmap.c:621:3: note: Taking false branch
if (pag->pag_agno == end_ag) {
^
fs/xfs/xfs_fsmap.c:632:7: note: 'bt_cur' is null
if (bt_cur) {
^~
fs/xfs/xfs_fsmap.c:632:3: note: Taking false branch
if (bt_cur) {
^
fs/xfs/xfs_fsmap.c:641:7: note: Assuming 'error' is 0
if (error)
^
fs/xfs/xfs_fsmap.c:641:3: note: Taking false branch
if (error)
^
fs/xfs/xfs_fsmap.c:649:11: note: Calling 'xfs_getfsmap_datadev_bnobt_query'
error = query_fn(tp, info, &bt_cur, priv);
^
fs/xfs/xfs_fsmap.c:738:6: note: Assuming field 'last' is true
if (info->last)
^~
fs/xfs/xfs_fsmap.c:738:2: note: Taking true branch
if (info->last)
^
fs/xfs/xfs_fsmap.c:739:44: note: Passing null pointer value via 1st
parameter 'cur'
return xfs_getfsmap_datadev_bnobt_helper(*curpp, &key[1],
info);
^~
fs/xfs/xfs_fsmap.c:739:10: note: Calling 'xfs_getfsmap_datadev_bnobt_helper'
return xfs_getfsmap_datadev_bnobt_helper(*curpp, &key[1],
info);
^~~~
fs/xfs/xfs_fsmap.c:371:26: note: Access to field 'bc_mp' results in a
dereference of a null pointer (loaded from variable 'cur')
struct xfs_mount*mp = cur->bc_mp;
^~~
Suppressed 4 warnings (4 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
6 warnings generated.
fs/xfs/libxfs
[kbuild] [ogabbay:habanalabs-next 11/40] drivers/misc/habanalabs/common/state_dump.c:434:2: warning: Value stored to 'rc' is never read [clang-analyzer-deadcode.DeadStores]
CC: clang-built-li...@googlegroups.com
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Yuri Nudelman
CC: Oded Gabbay
tree: https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git
habanalabs-next
head: ed1ec0f6c655003eb3f092f47e98181646e88173
commit: 2b6cdda5981340a654d48826992fbb07c59f6c68 [11/40] habanalabs: expose
state dump
:: branch date: 15 hours ago
:: commit date: 15 hours ago
config: x86_64-randconfig-c001-20210727 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project
c658b472f3e61e1818e1909bf02f3d65470018a5)
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
#
https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git/commit/?id=2b6cdda5981340a654d48826992fbb07c59f6c68
git remote add ogabbay
https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git
git fetch --no-tags ogabbay habanalabs-next
git checkout 2b6cdda5981340a654d48826992fbb07c59f6c68
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
clang-analyzer warnings: (new ones prefixed by >>)
include/linux/rcupdate.h:390:2: note: expanded from macro
'__rcu_dereference_check'
RCU_LOCKDEP_WARN(!(c), "suspicious rcu_dereference_check() usage"); \
^
include/linux/rcupdate.h:318:11: note: expanded from macro 'RCU_LOCKDEP_WARN'
if ((c) && debug_lockdep_rcu_enabled() && !__warned) { \
^
fs/ext4/resize.c:1232:13: note: Loop condition is false. Exiting loop
gdb_bh = sbi_array_rcu_deref(sbi, s_group_desc,
^
fs/ext4/ext4.h:1729:21: note: expanded from macro 'sbi_array_rcu_deref'
_v = ((typeof(_v)*)rcu_dereference((sbi)->field))[index]; \
^
include/linux/rcupdate.h:596:28: note: expanded from macro 'rcu_dereference'
#define rcu_dereference(p) rcu_dereference_check(p, 0)
^
include/linux/rcupdate.h:528:2: note: expanded from macro
'rcu_dereference_check'
__rcu_dereference_check((p), (c) || rcu_read_lock_held(), __rcu)
^
include/linux/rcupdate.h:390:2: note: expanded from macro
'__rcu_dereference_check'
RCU_LOCKDEP_WARN(!(c), "suspicious rcu_dereference_check() usage"); \
^
include/linux/rcupdate.h:316:2: note: expanded from macro 'RCU_LOCKDEP_WARN'
do {\
^
fs/ext4/resize.c:1234:4: note: Loop condition is false. Exiting loop
BUFFER_TRACE(gdb_bh, "get_write_access");
^
include/linux/jbd2.h:1835:32: note: expanded from macro 'BUFFER_TRACE'
#define BUFFER_TRACE(bh, info) do {} while (0)
^
fs/ext4/resize.c:1237:8: note: Assuming 'err' is 0
if (!err && reserved_gdb && ext4_bg_num_gdb(sb,
group))
^~~~
fs/ext4/resize.c:1237:8: note: Left side of '&&' is true
fs/ext4/resize.c:1237:16: note: Assuming 'reserved_gdb' is not equal to 0
if (!err && reserved_gdb && ext4_bg_num_gdb(sb,
group))
^~~~
fs/ext4/resize.c:1237:8: note: Left side of '&&' is true
if (!err && reserved_gdb && ext4_bg_num_gdb(sb,
group))
^
fs/ext4/resize.c:1237:32: note: Assuming the condition is true
if (!err && reserved_gdb && ext4_bg_num_gdb(sb,
group))
^~
fs/ext4/resize.c:1237:4: note: Taking true branch
if (!err && reserved_gdb && ext4_bg_num_gdb(sb,
group))
^
fs/ext4/resize.c:1238:38: note: Passing null pointer value via 2nd parameter
'inode'
err = reserve_backup_gdb(handle,
resize_inode, group);
^~~~
fs/ext4/resize.c:1238:11: note: Calling 'reserve_backup_gdb'
err = reserve_ba
[kbuild] Re: [PATCH 05/64] skbuff: Switch structure bounds to struct_group()
CC: kbuild-...@lists.01.org In-Reply-To: <20210727205855.411487-6-keesc...@chromium.org> References: <20210727205855.411487-6-keesc...@chromium.org> TO: Kees Cook Hi Kees, I love your patch! Perhaps something to improve: [auto build test WARNING on staging/staging-testing] [also build test WARNING on linus/master v5.14-rc3 next-20210727] [cannot apply to wireless-drivers-next/master wireless-drivers/master] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Kees-Cook/Introduce-strict-memcpy-bounds-checking/20210728-053749 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 39f9137268ee3df0047706df4e9b7357a40ffc98 :: branch date: 86 minutes ago :: commit date: 86 minutes ago config: csky-randconfig-s032-20210727 (attached as .config) compiler: csky-linux-gcc (GCC) 10.3.0 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: v0.6.3-341-g8af24329-dirty # https://github.com/0day-ci/linux/commit/80b83332473f65b5a87310a3c8d61d32f0f1d288 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Kees-Cook/Introduce-strict-memcpy-bounds-checking/20210728-053749 git checkout 80b83332473f65b5a87310a3c8d61d32f0f1d288 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=csky SHELL=/bin/bash drivers/iio/accel/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) drivers/iio/accel/mma7455_spi.c: note: in included file (through include/linux/ptp_clock_kernel.h, include/linux/spi/spi.h): >> include/linux/skbuff.h:813:1: sparse: sparse: directive in macro's argument >> list include/linux/skbuff.h:815:1: sparse: sparse: directive in macro's argument list include/linux/skbuff.h:839:1: sparse: sparse: directive in macro's argument list include/linux/skbuff.h:841:1: sparse: sparse: directive in macro's argument list -- drivers/iio/accel/adxl372_spi.c: note: in included file (through include/linux/ptp_clock_kernel.h, include/linux/spi/spi.h): >> include/linux/skbuff.h:813:1: sparse: sparse: directive in macro's argument >> list include/linux/skbuff.h:815:1: sparse: sparse: directive in macro's argument list include/linux/skbuff.h:839:1: sparse: sparse: directive in macro's argument list include/linux/skbuff.h:841:1: sparse: sparse: directive in macro's argument list -- drivers/iio/accel/bmi088-accel-spi.c: note: in included file (through include/linux/ptp_clock_kernel.h, include/linux/spi/spi.h): >> include/linux/skbuff.h:813:1: sparse: sparse: directive in macro's argument >> list include/linux/skbuff.h:815:1: sparse: sparse: directive in macro's argument list include/linux/skbuff.h:839:1: sparse: sparse: directive in macro's argument list include/linux/skbuff.h:841:1: sparse: sparse: directive in macro's argument list -- drivers/iio/accel/adis16201.c: note: in included file (through include/linux/ptp_clock_kernel.h, include/linux/spi/spi.h): >> include/linux/skbuff.h:813:1: sparse: sparse: directive in macro's argument >> list include/linux/skbuff.h:815:1: sparse: sparse: directive in macro's argument list include/linux/skbuff.h:839:1: sparse: sparse: directive in macro's argument list include/linux/skbuff.h:841:1: sparse: sparse: directive in macro's argument list -- drivers/iio/accel/bmc150-accel-spi.c: note: in included file (through include/linux/ptp_clock_kernel.h, include/linux/spi/spi.h): >> include/linux/skbuff.h:813:1: sparse: sparse: directive in macro's argument >> list include/linux/skbuff.h:815:1: sparse: sparse: directive in macro's argument list include/linux/skbuff.h:839:1: sparse: sparse: directive in macro's argument list include/linux/skbuff.h:841:1: sparse: sparse: directive in macro's argument list -- drivers/iio/accel/sca3300.c: note: in included file (through include/linux/ptp_clock_kernel.h, include/linux/spi/spi.h): >> include/linux/skbuff.h:813:1: sparse: sparse: directive in macro's argument >> list include/linux/skbuff.h:815:1: sparse: sparse: directive in macro's argument list include/linux/skbuff.h:839:1: sparse: sparse: directive in macro's argument list include/linux/skbuff.h:841:1: sparse: sparse: direc
[kbuild] [linux-next:master 2247/3590] fs/ext4/mballoc.c:1333:4: warning: 1st function call argument is an uninitialized value [clang-analyzer-core.CallAndMessage]
CC: clang-built-li...@googlegroups.com
CC: kbuild-...@lists.01.org
CC: Linux Memory Management List
TO: "Matthew Wilcox (Oracle)"
CC: Christoph Hellwig
CC: William Kucharski
CC: David Howells
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: 42d0b5f52c9b633a10626da27786049c76d4ea75
commit: 8c02d1a1387610edb84cd5f5fcbc78adcd0591cf [2247/3590] mm: Add folio flag
manipulation functions
:: branch date: 7 hours ago
:: commit date: 7 days ago
config: x86_64-randconfig-c001-20210727 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project
c658b472f3e61e1818e1909bf02f3d65470018a5)
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=8c02d1a1387610edb84cd5f5fcbc78adcd0591cf
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 8c02d1a1387610edb84cd5f5fcbc78adcd0591cf
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
clang-analyzer warnings: (new ones prefixed by >>)
^
fs/ext4/mballoc.c:1521:6: note: Assuming 'page' is equal to NULL
if (page == NULL || !PageUptodate(page)) {
^~~~
fs/ext4/mballoc.c:1521:19: note: Left side of '||' is true
if (page == NULL || !PageUptodate(page)) {
^
fs/ext4/mballoc.c:1522:7: note: 'page' is null
if (page)
^~~~
fs/ext4/mballoc.c:1522:3: note: Taking false branch
if (page)
^
fs/ext4/mballoc.c:1533:7: note: Assuming 'page' is non-null
if (page) {
^~~~
fs/ext4/mballoc.c:1533:3: note: Taking true branch
if (page) {
^
fs/ext4/mballoc.c:1534:11: note: Assuming field 'mapping' is equal to field
'i_mapping'
BUG_ON(page->mapping != inode->i_mapping);
^
include/asm-generic/bug.h:65:45: note: expanded from macro 'BUG_ON'
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
^
include/linux/compiler.h:48:41: note: expanded from macro 'unlikely'
# define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
^
include/linux/compiler.h:33:34: note: expanded from macro '__branch_check__'
__r = __builtin_expect(!!(x), expect); \
^
fs/ext4/mballoc.c:1534:17: note: Field 'mapping' is equal to field
'i_mapping'
BUG_ON(page->mapping != inode->i_mapping);
^
fs/ext4/mballoc.c:1534:4: note: Taking false branch
BUG_ON(page->mapping != inode->i_mapping);
^
include/asm-generic/bug.h:65:32: note: expanded from macro 'BUG_ON'
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
^
fs/ext4/mballoc.c:1534:4: note: Loop condition is false. Exiting loop
BUG_ON(page->mapping != inode->i_mapping);
^
include/asm-generic/bug.h:65:27: note: expanded from macro 'BUG_ON'
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
^
fs/ext4/mballoc.c:1535:4: note: Taking true branch
if (!PageUptodate(page)) {
^
fs/ext4/mballoc.c:1536:11: note: Calling 'ext4_mb_init_cache'
ret = ext4_mb_init_cache(page, NULL, gfp);
^~~
fs/ext4/mballoc.c:1203:2: note: Taking false branch
mb_debug(sb, "init page %lu\n", page->index);
^
fs/ext4/mballoc.h:31:2: note: expanded from macro 'mb_debug'
pr_debug("[%s/%d] EXT4-fs (%s): (%s, %d): %s: " fmt,\
^
include/linux/printk.h:477:2: note: expanded from macro 'pr_debug'
[kbuild] [linux-next:master 901/3590] drivers/leds/flash/leds-lm3601x.c:226:3: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores]
CC: clang-built-li...@googlegroups.com
CC: kbuild-...@lists.01.org
CC: Linux Memory Management List
TO: Linus Walleij
CC: Pavel Machek
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: 42d0b5f52c9b633a10626da27786049c76d4ea75
commit: 61fa67a4e538f70bb4e6b3e7f3555402c1713654 [901/3590] leds: lm3601x: Move
driver to flash subdirectory
:: branch date: 5 hours ago
:: commit date: 2 weeks ago
config: x86_64-randconfig-c001-20210726 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project
c63dbd850182797bc4b76124d08e1c320ab2365d)
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=61fa67a4e538f70bb4e6b3e7f3555402c1713654
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 61fa67a4e538f70bb4e6b3e7f3555402c1713654
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
clang-analyzer warnings: (new ones prefixed by >>)
^
mm/memory.c:2571:26: note: Assuming '__ret_warn_on' is 0
if (!pmd_none(*pmd) && WARN_ON_ONCE(pmd_bad(*pmd))) {
^
include/asm-generic/bug.h:105:6: note: expanded from macro 'WARN_ON_ONCE'
if (unlikely(__ret_warn_on))\
^~~
include/linux/compiler.h:78:40: note: expanded from macro 'unlikely'
# define unlikely(x)__builtin_expect(!!(x), 0)
^~~~
mm/memory.c:2571:26: note: Taking false branch
if (!pmd_none(*pmd) && WARN_ON_ONCE(pmd_bad(*pmd))) {
^
include/asm-generic/bug.h:105:2: note: expanded from macro 'WARN_ON_ONCE'
if (unlikely(__ret_warn_on))\
^
mm/memory.c:2571:3: note: Taking false branch
if (!pmd_none(*pmd) && WARN_ON_ONCE(pmd_bad(*pmd))) {
^
mm/memory.c:2576:9: note: Calling 'apply_to_pte_range'
err = apply_to_pte_range(mm, pmd, addr, next,
^~~
mm/memory.c:2511:2: note: 'ptl' declared without an initial value
spinlock_t *ptl;
^~~
mm/memory.c:2513:6: note: 'create' is false
if (create) {
^~
mm/memory.c:2513:2: note: Taking false branch
if (create) {
^
mm/memory.c:2520:23: note: Assuming the condition is true
mapped_pte = pte = (mm == &init_mm) ?
^~
mm/memory.c:2520:22: note: '?' condition is true
mapped_pte = pte = (mm == &init_mm) ?
^
mm/memory.c:2525:2: note: Taking false branch
BUG_ON(pmd_huge(*pmd));
^
include/asm-generic/bug.h:65:32: note: expanded from macro 'BUG_ON'
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
^
mm/memory.c:2525:2: note: Loop condition is false. Exiting loop
BUG_ON(pmd_huge(*pmd));
^
include/asm-generic/bug.h:65:27: note: expanded from macro 'BUG_ON'
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
^
mm/memory.c:2527:2: note: Loop condition is false. Exiting loop
arch_enter_lazy_mmu_mode();
^
include/linux/pgtable.h:977:36: note: expanded from macro
'arch_enter_lazy_mmu_mode'
#define arch_enter_lazy_mmu_mode() do {} while (0)
^
mm/memory.c:2529:6: note: Assuming 'fn' is null
if (fn) {
^~
mm/memory.c:2529:2: note: Taking false branch
if (fn) {
^
mm/memory.c:2540:2: note: Loop condition is false. Exiting loop
arch_leave_lazy_mmu_mode();
^
include/linux/pgtable.h:978:36: note: expanded from macro
'arch_leave_lazy_mmu_mode'
#define arch_leave_lazy_mmu_mode() do {} while (0)
^
mm/memory.c:2542:6: note: Assuming the condition is true
if (mm != &init_mm)
^~
mm/memory.c:2542:2: note: Taking true branch
if (mm != &init_mm)
^
mm/memory
[kbuild] [allisonhenderson-xfs_work:delayed_attrs_v22_extended 28/32] fs/xfs/xfs_inode.c:3287:3: warning: Value stored to 'error' is never read [clang-analyzer-deadcode.DeadStores]
CC: clang-built-li...@googlegroups.com
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Allison Henderson
tree: https://github.com/allisonhenderson/xfs_work.git
delayed_attrs_v22_extended
head: aff89515c2d9aca9b24ac0296f3806af62cd9206
commit: 3818584f03ce2d5c1310199a6466aafdf22c8256 [28/32] xfs: Add parent
pointers to rename
:: branch date: 18 hours ago
:: commit date: 18 hours ago
config: x86_64-randconfig-c001-20210727 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project
c658b472f3e61e1818e1909bf02f3d65470018a5)
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
#
https://github.com/allisonhenderson/xfs_work/commit/3818584f03ce2d5c1310199a6466aafdf22c8256
git remote add allisonhenderson-xfs_work
https://github.com/allisonhenderson/xfs_work.git
git fetch --no-tags allisonhenderson-xfs_work delayed_attrs_v22_extended
git checkout 3818584f03ce2d5c1310199a6466aafdf22c8256
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
clang-analyzer warnings: (new ones prefixed by >>)
^
include/linux/kernel.h:495:61: note: expanded from macro 'container_of'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^
drivers/md/dm-zoned-target.c:481:29: note: Taking false branch
struct dm_chunk_work *cw = container_of(work, struct dm_chunk_work,
work);
^
include/linux/kernel.h:495:2: note: expanded from macro 'container_of'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^
include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^
include/linux/compiler_types.h:328:2: note: expanded from macro
'compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_,
__COUNTER__)
^
include/linux/compiler_types.h:316:2: note: expanded from macro
'_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^
include/linux/compiler_types.h:308:3: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
^
drivers/md/dm-zoned-target.c:481:29: note: Loop condition is false. Exiting
loop
struct dm_chunk_work *cw = container_of(work, struct dm_chunk_work,
work);
^
include/linux/kernel.h:495:2: note: expanded from macro 'container_of'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^
include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^
include/linux/compiler_types.h:328:2: note: expanded from macro
'compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_,
__COUNTER__)
^
include/linux/compiler_types.h:316:2: note: expanded from macro
'_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^
include/linux/compiler_types.h:306:2: note: expanded from macro
'__compiletime_assert'
do {\
^
drivers/md/dm-zoned-target.c:488:2: note: Loop condition is true. Entering
loop body
while ((bio = bio_list_pop(&cw->bio_list))) {
^
drivers/md/dm-zoned-target.c:492:3: note: Calling 'dmz_put_chunk_work'
dmz_put_chunk_work(cw);
^~
drivers/md/dm-zoned-target.c:469:6: note: Assuming the condition is true
if (refcount_dec_and_test(&cw->refcount)) {
^~~~
drivers/md/dm-zoned-target.c:469:2: note: Taking true branch
if (refcount_dec_and_test(&cw->refcount)) {
^
drivers/md/dm-zoned-target.c:470:3: note: Taking false branch
WARN_ON(!bio_list_empty(&cw->bio_list));
^
include/asm-generic/bug.h:122:2: no
[kbuild] drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2367:3: warning: Address of local auto-variable assigned to a function parameter. [autoVariables]
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Naveen Mamindlapalli
CC: Sunil Kovvuri Goutham
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: ff1176468d368232b684f75e82563369208bc371
commit: 967db3529ecac305d230aa4e60abddf6ab63543a octeontx2-af: add support for
multicast/promisc packet replication feature
date: 7 weeks ago
:: branch date: 2 days ago
:: commit date: 7 weeks ago
compiler: s390-linux-gcc (GCC) 10.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
cppcheck possible warnings: (new ones prefixed by >>, may not real problems)
>> drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2367:3: warning: Address
>> of local auto-variable assigned to a function parameter. [autoVariables]
*mce_list = &pfvf->bcast_mce_list;
^
drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2370:3: warning: Address
of local auto-variable assigned to a function parameter. [autoVariables]
*mce_list = &pfvf->mcast_mce_list;
^
drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2373:3: warning: Address
of local auto-variable assigned to a function parameter. [autoVariables]
*mce_list = &pfvf->promisc_mce_list;
^
>> drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c:700:6: warning:
>> Uninitialized struct member: action.op [uninitStructMember]
if (action.op != NIX_RX_ACTIONOP_RSS) {
^
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c:865:6: warning:
Uninitialized struct member: action.op [uninitStructMember]
if (action.op != NIX_RX_ACTIONOP_RSS) {
^
vim +2367 drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
4b05528ebf0c3f Sunil Goutham2018-10-22 2349
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2350 void
nix_get_mce_list(struct rvu *rvu, u16 pcifunc, int type,
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2351 struct
nix_mce_list **mce_list, int *mce_idx)
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2352 {
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2353struct rvu_hwinfo *hw =
rvu->hw;
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2354struct rvu_pfvf *pfvf;
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2355
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2356if
(!hw->cap.nix_rx_multicast ||
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2357
!is_pf_cgxmapped(rvu, rvu_get_pf(pcifunc & ~RVU_PFVF_FUNC_MASK))) {
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2358*mce_list =
NULL;
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2359*mce_idx = 0;
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2360return;
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2361}
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2362
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2363/* Get this PF/VF
func's MCE index */
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2364pfvf =
rvu_get_pfvf(rvu, pcifunc & ~RVU_PFVF_FUNC_MASK);
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2365
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2366if (type ==
NIXLF_BCAST_ENTRY) {
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 @2367*mce_list =
&pfvf->bcast_mce_list;
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2368*mce_idx =
pfvf->bcast_mce_idx;
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2369} else if (type ==
NIXLF_ALLMULTI_ENTRY) {
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2370*mce_list =
&pfvf->mcast_mce_list;
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2371*mce_idx =
pfvf->mcast_mce_idx;
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2372} else if (type ==
NIXLF_PROMISC_ENTRY) {
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2373*mce_list =
&pfvf->promisc_mce_list;
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2374*mce_idx =
pfvf->promisc_mce_idx;
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2375} else {
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2376*mce_list =
NULL;
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2377*mce_idx = 0;
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2378}
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2379 }
967db3529ecac3 Naveen Mamindlapalli 2021-06-11 2380
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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[kbuild] Re: [PATCH v2 4/4] fuse: support changing per-file DAX flag inside guest
CC: clang-built-li...@googlegroups.com CC: kbuild-...@lists.01.org In-Reply-To: <20210716104753.74377-5-jeffl...@linux.alibaba.com> References: <20210716104753.74377-5-jeffl...@linux.alibaba.com> TO: Jeffle Xu TO: vgo...@redhat.com TO: stefa...@redhat.com TO: mik...@szeredi.hu CC: linux-fsde...@vger.kernel.org CC: virtualizat...@lists.linux-foundation.org CC: bo@linux.alibaba.com CC: joseph...@linux.alibaba.com Hi Jeffle, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on fuse/for-next] [also build test WARNING on v5.14-rc3 next-20210726] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Jeffle-Xu/virtiofs-fuse-support-per-file-DAX/20210718-102250 base: https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git for-next :: branch date: 10 days ago :: commit date: 10 days ago config: x86_64-randconfig-c001-20210727 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project c658b472f3e61e1818e1909bf02f3d65470018a5) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/a6ac625f19c4c4de28ee8a466c1bab8824b7042e git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jeffle-Xu/virtiofs-fuse-support-per-file-DAX/20210718-102250 git checkout a6ac625f19c4c4de28ee8a466c1bab8824b7042e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 clang-analyzer If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot clang-analyzer warnings: (new ones prefixed by >>) drivers/regulator/qcom_spmi-regulator.c:1155:2: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores] ret = spmi_vreg_update_bits(vreg, SPMI_COMMON_REG_ENABLE, ^ ~~~ drivers/regulator/qcom_spmi-regulator.c:1155:2: note: Value stored to 'ret' is never read ret = spmi_vreg_update_bits(vreg, SPMI_COMMON_REG_ENABLE, ^ ~~~ Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. drivers/regulator/palmas-regulator.c:1598:36: warning: Value stored to 'pdata' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct palmas_pmic_platform_data *pdata = dev_get_platdata(&pdev->dev); ^ drivers/regulator/palmas-regulator.c:1598:36: note: Value stored to 'pdata' during its initialization is never read struct palmas_pmic_platform_data *pdata = dev_get_platdata(&pdev->dev); ^ Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 5 warnings generated. Suppressed 5 warnings (5 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 5 warnings generated. Suppressed 5 warnings (5 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c:49:39: warning: Dereference of null pointer [clang-analyzer-core.NullDereference] const struct nvkm_vmm_desc *pair = page[-1].desc; ^ drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c:1145:8: note: Assuming is non-null if (!(*pvmm = kzalloc(sizeof(**pvmm
[kbuild] Re: [RFC PATCH v3 2/9] Bluetooth: btintel: Add combined setup and shutdown functions
CC: clang-built-li...@googlegroups.com
CC: kbuild-...@lists.01.org
In-Reply-To: <20210724073005.714003-3-hj.tedd...@gmail.com>
References: <20210724073005.714003-3-hj.tedd...@gmail.com>
TO: "Tedd Ho-Jeong An"
Hi Tedd,
[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on bluetooth/master]
[also build test WARNING on v5.14-rc3 next-20210726]
[cannot apply to bluetooth-next/master]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url:
https://github.com/0day-ci/linux/commits/Tedd-Ho-Jeong-An/Bluetooth-btintel-Refactoring-setup-routines/20210724-153223
base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git
master
:: branch date: 3 days ago
:: commit date: 3 days ago
config: x86_64-randconfig-c001-20210723 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project
3f2c1e99e44d028d5e9dd685f3c568f2661f2f68)
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
#
https://github.com/0day-ci/linux/commit/eca1c570017a1accc1a7f6be7fe1fa0a390066f9
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Tedd-Ho-Jeong-An/Bluetooth-btintel-Refactoring-setup-routines/20210724-153223
git checkout eca1c570017a1accc1a7f6be7fe1fa0a390066f9
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
clang-analyzer warnings: (new ones prefixed by >>)
^
include/linux/err.h:22:34: note: expanded from macro 'IS_ERR_VALUE'
#define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned
long)-MAX_ERRNO)
~^~~~
include/linux/compiler.h:78:42: note: expanded from macro 'unlikely'
# define unlikely(x)__builtin_expect(!!(x), 0)
^
include/linux/err.h:36:2: note: Returning zero, which participates in a
condition later
return IS_ERR_VALUE((unsigned long)ptr);
^~~
drivers/nvmem/core.c:1618:6: note: Returning from 'IS_ERR'
if (IS_ERR(cell))
^~~~
drivers/nvmem/core.c:1618:2: note: Taking false branch
if (IS_ERR(cell))
^
drivers/nvmem/core.c:1622:8: note: Calling 'nvmem_cell_read'
buf = nvmem_cell_read(cell, len);
^~
drivers/nvmem/core.c:1414:6: note: Assuming 'nvmem' is non-null
if (!nvmem)
^~
drivers/nvmem/core.c:1414:2: note: Taking false branch
if (!nvmem)
^
drivers/nvmem/core.c:1418:6: note: Assuming 'buf' is non-null
if (!buf)
^~~~
drivers/nvmem/core.c:1418:2: note: Taking false branch
if (!buf)
^
drivers/nvmem/core.c:1421:7: note: Calling '__nvmem_cell_read'
rc = __nvmem_cell_read(nvmem, cell, buf, len);
^~~~
drivers/nvmem/core.c:1385:6: note: Assuming 'rc' is not equal to 0
if (rc)
^~
drivers/nvmem/core.c:1385:2: note: Taking true branch
if (rc)
^
drivers/nvmem/core.c:1421:7: note: Returning from '__nvmem_cell_read'
rc = __nvmem_cell_read(nvmem, cell, buf, len);
^~~~
drivers/nvmem/core.c:1422:6: note: 'rc' is not equal to 0
if (rc) {
^~
drivers/nvmem/core.c:1422:2: note: Taking true branch
if (rc) {
^
drivers/nvmem/core.c:1622:8: note: Returning from 'nvmem_cell_read'
buf = nvmem_cell_read(cell, len);
^~
drivers/nvmem/core.c:1624:6: note: Calling 'IS_ERR'
if (IS_ERR(buf))
^~~
include/linux/err.h:36:9: note: Assuming the condition is false
return IS_ERR_VALUE((unsigned long)ptr);
^
include/linux/err.h:22:34: note: expanded from macro 'IS_ERR_VALUE'
#define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned
long)-MAX_ERRNO)
~^~~~
include/linux/compiler.h:78:42: note: expanded from macro 'unlikely'
# define unlikely(x)__builtin_expect(!!(x), 0)
[kbuild] net/wireless/scan.c:552:2: warning: Assignment of function parameter has no effect outside the function. Did you forget dereferencing it? [uselessAssignmentPtrArg]
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Tova Mussai
CC: Johannes Berg
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: ff1176468d368232b684f75e82563369208bc371
commit: c8cb5b854b40f2ce52ccd032fa19750f4181d5fc nl80211/cfg80211: support 6
GHz scanning
date: 10 months ago
:: branch date: 2 days ago
:: commit date: 10 months ago
compiler: aarch64-linux-gcc (GCC) 10.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
cppcheck possible warnings: (new ones prefixed by >>, may not real problems)
>> net/wireless/scan.c:552:2: warning: Assignment of function parameter has no
>> effect outside the function. Did you forget dereferencing it?
>> [uselessAssignmentPtrArg]
pos++;
^
vim +552 net/wireless/scan.c
c8cb5b854b40f2 Tova Mussai 2020-09-18 530
c8cb5b854b40f2 Tova Mussai 2020-09-18 531 static int
cfg80211_parse_ap_info(struct cfg80211_colocated_ap *entry,
c8cb5b854b40f2 Tova Mussai 2020-09-18 532const
u8 *pos, u8 length,
c8cb5b854b40f2 Tova Mussai 2020-09-18 533const
struct element *ssid_elem,
c8cb5b854b40f2 Tova Mussai 2020-09-18 534int
s_ssid_tmp)
c8cb5b854b40f2 Tova Mussai 2020-09-18 535 {
c8cb5b854b40f2 Tova Mussai 2020-09-18 536 /* skip the TBTT offset */
c8cb5b854b40f2 Tova Mussai 2020-09-18 537 pos++;
c8cb5b854b40f2 Tova Mussai 2020-09-18 538
c8cb5b854b40f2 Tova Mussai 2020-09-18 539 memcpy(entry->bssid, pos,
ETH_ALEN);
c8cb5b854b40f2 Tova Mussai 2020-09-18 540 pos += ETH_ALEN;
c8cb5b854b40f2 Tova Mussai 2020-09-18 541
c8cb5b854b40f2 Tova Mussai 2020-09-18 542 if (length ==
IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM) {
c8cb5b854b40f2 Tova Mussai 2020-09-18 543
memcpy(&entry->short_ssid, pos,
c8cb5b854b40f2 Tova Mussai 2020-09-18 544
sizeof(entry->short_ssid));
c8cb5b854b40f2 Tova Mussai 2020-09-18 545 entry->short_ssid_valid
= true;
c8cb5b854b40f2 Tova Mussai 2020-09-18 546 pos += 4;
c8cb5b854b40f2 Tova Mussai 2020-09-18 547 }
c8cb5b854b40f2 Tova Mussai 2020-09-18 548
c8cb5b854b40f2 Tova Mussai 2020-09-18 549 /* skip non colocated APs */
c8cb5b854b40f2 Tova Mussai 2020-09-18 550 if
(!cfg80211_parse_bss_param(*pos, entry))
c8cb5b854b40f2 Tova Mussai 2020-09-18 551 return -EINVAL;
c8cb5b854b40f2 Tova Mussai 2020-09-18 @552 pos++;
c8cb5b854b40f2 Tova Mussai 2020-09-18 553
c8cb5b854b40f2 Tova Mussai 2020-09-18 554 if (length ==
IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM) {
c8cb5b854b40f2 Tova Mussai 2020-09-18 555 /*
c8cb5b854b40f2 Tova Mussai 2020-09-18 556 * no information about
the short ssid. Consider the entry valid
c8cb5b854b40f2 Tova Mussai 2020-09-18 557 * for now. It would
later be dropped in case there are explicit
c8cb5b854b40f2 Tova Mussai 2020-09-18 558 * SSIDs that need to
be matched
c8cb5b854b40f2 Tova Mussai 2020-09-18 559 */
c8cb5b854b40f2 Tova Mussai 2020-09-18 560 if (!entry->same_ssid)
c8cb5b854b40f2 Tova Mussai 2020-09-18 561 return 0;
c8cb5b854b40f2 Tova Mussai 2020-09-18 562 }
c8cb5b854b40f2 Tova Mussai 2020-09-18 563
c8cb5b854b40f2 Tova Mussai 2020-09-18 564 if (entry->same_ssid) {
c8cb5b854b40f2 Tova Mussai 2020-09-18 565 entry->short_ssid =
s_ssid_tmp;
c8cb5b854b40f2 Tova Mussai 2020-09-18 566 entry->short_ssid_valid
= true;
c8cb5b854b40f2 Tova Mussai 2020-09-18 567
c8cb5b854b40f2 Tova Mussai 2020-09-18 568 /*
c8cb5b854b40f2 Tova Mussai 2020-09-18 569 * This is safe because
we validate datalen in
c8cb5b854b40f2 Tova Mussai 2020-09-18 570 *
cfg80211_parse_colocated_ap(), before calling this
c8cb5b854b40f2 Tova Mussai 2020-09-18 571 * function.
c8cb5b854b40f2 Tova Mussai 2020-09-18 572 */
c8cb5b854b40f2 Tova Mussai 2020-09-18 573 memcpy(&entry->ssid,
&ssid_elem->data,
c8cb5b854b40f2 Tova Mussai 2020-09-18 574
ssid_elem->datalen);
c8cb5b854b40f2 Tova Mussai 2020-09-18 575 entry->ssid_len =
ssid_elem->datalen;
c8cb5b854b40f2 Tova Mussai 2020-09-18 576 }
c8cb5b854b40f2 Tova Mussai 2020-09-18 577 return 0;
c8cb5b854b40f2 Tova Mussai 2020-09-18 578 }
c8cb5b854b40f2 Tova Mussai 2020-09-18 579
---
0-DAY CI Kernel Test Service, Intel Corporation
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[kbuild] Re: [RFC PATCH v1] fscrypt: support encrypted and trusted keys
CC: kbuild-...@lists.01.org In-Reply-To: <20210727144349.11215-1-a.fat...@pengutronix.de> References: <20210727144349.11215-1-a.fat...@pengutronix.de> TO: Ahmad Fatoum Hi Ahmad, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on linux/master] [also build test WARNING on linus/master v5.14-rc3 next-20210726] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Ahmad-Fatoum/fscrypt-support-encrypted-and-trusted-keys/20210727-224735 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 349a2d52ffe59b7a0c5876fa7ee9f3eaf188b830 :: branch date: 2 hours ago :: commit date: 2 hours ago compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0 reproduce: cd tools/perf && ./check-headers.sh If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot perfheadercheck warnings: (new ones prefixed by >>) Warning: Kernel ABI header at 'tools/include/uapi/linux/fscrypt.h' differs from latest version at 'include/uapi/linux/fscrypt.h': 122> /* >> Warning: Kernel ABI header at 'tools/include/uapi/linux/fscrypt.h' differs >> from latest version at 'include/uapi/linux/fscrypt.h': 123> * >> fscrypt_add_key_arg::raw contains the raw key material directly >> Warning: Kernel ABI header at 'tools/include/uapi/linux/fscrypt.h' differs >> from latest version at 'include/uapi/linux/fscrypt.h': 124> * if key_id == >> 0 Warning: Kernel ABI header at 'tools/include/uapi/linux/fscrypt.h' differs from latest version at 'include/uapi/linux/fscrypt.h': 125> */ >> Warning: Kernel ABI header at 'tools/include/uapi/linux/fscrypt.h' differs >> from latest version at 'include/uapi/linux/fscrypt.h': 126> #define >> FSCRYPT_KEY_ADD_RAW_ASIS 0 Warning: Kernel ABI header at 'tools/include/uapi/linux/fscrypt.h' differs from latest version at 'include/uapi/linux/fscrypt.h': 127> Warning: Kernel ABI header at 'tools/include/uapi/linux/fscrypt.h' differs from latest version at 'include/uapi/linux/fscrypt.h': 128> /* >> Warning: Kernel ABI header at 'tools/include/uapi/linux/fscrypt.h' differs >> from latest version at 'include/uapi/linux/fscrypt.h': 129> * >> fscrypt_add_key_arg::raw is a key descriptor for an already >> Warning: Kernel ABI header at 'tools/include/uapi/linux/fscrypt.h' differs >> from latest version at 'include/uapi/linux/fscrypt.h': 130> * existing >> kernel encrypted or trusted key if key_id == 0. >> Warning: Kernel ABI header at 'tools/include/uapi/linux/fscrypt.h' differs >> from latest version at 'include/uapi/linux/fscrypt.h': 131> * The kernel >> key's material will be used as input for fscrypt. Warning: Kernel ABI header at 'tools/include/uapi/linux/fscrypt.h' differs from latest version at 'include/uapi/linux/fscrypt.h': 132> */ >> Warning: Kernel ABI header at 'tools/include/uapi/linux/fscrypt.h' differs >> from latest version at 'include/uapi/linux/fscrypt.h': 133> #define >> FSCRYPT_KEY_ADD_RAW_DESC 1 Warning: Kernel ABI header at 'tools/include/uapi/linux/fscrypt.h' differs from latest version at 'include/uapi/linux/fscrypt.h': 134> Warning: Kernel ABI header at 'tools/include/uapi/linux/fscrypt.h' differs from latest version at 'include/uapi/linux/fscrypt.h': 127< __u32 __reserved[8]; >> Warning: Kernel ABI header at 'tools/include/uapi/linux/fscrypt.h' differs >> from latest version at 'include/uapi/linux/fscrypt.h': 140> __u32 >> raw_flags;/* one of FSCRYPT_KEY_ADD_RAW_* */ Warning: Kernel ABI header at 'tools/include/uapi/linux/fscrypt.h' differs from latest version at 'include/uapi/linux/fscrypt.h': 141> __u32 __reserved[7]; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org ___ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
[kbuild] Re: [PATCH bpf-next v1 2/5] af_unix: add unix_stream_proto for sockmap
CC: clang-built-li...@googlegroups.com
CC: kbuild-...@lists.01.org
In-Reply-To: <20210727001252.1287673-3-jiang.w...@bytedance.com>
References: <20210727001252.1287673-3-jiang.w...@bytedance.com>
TO: Jiang Wang
TO: net...@vger.kernel.org
CC: cong.w...@bytedance.com
CC: duanxiongc...@bytedance.com
CC: xieyon...@bytedance.com
CC: chaiwen...@bytedance.com
CC: Jakub Kicinski
CC: John Fastabend
CC: Daniel Borkmann
CC: Jakub Sitnicki
CC: Lorenz Bauer
Hi Jiang,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on bpf-next/master]
url:
https://github.com/0day-ci/linux/commits/Jiang-Wang/sockmap-add-sockmap-support-for-unix-stream-socket/20210727-081531
base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
:: branch date: 16 hours ago
:: commit date: 16 hours ago
config: x86_64-randconfig-c001-20210726 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project
c658b472f3e61e1818e1909bf02f3d65470018a5)
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
#
https://github.com/0day-ci/linux/commit/607ed02e3232aa57995e87230faad770b810a64a
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Jiang-Wang/sockmap-add-sockmap-support-for-unix-stream-socket/20210727-081531
git checkout 607ed02e3232aa57995e87230faad770b810a64a
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
clang-analyzer warnings: (new ones prefixed by >>)
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^
net/bridge/br_multicast.c:970:3: note: Taking false branch
hlist_for_each_entry(ent, &pg->src_list, node) {
^
include/linux/list.h:993:13: note: expanded from macro 'hlist_for_each_entry'
for (pos = hlist_entry_safe((head)->first, typeof(*(pos)), member);\
^
include/linux/list.h:983:15: note: expanded from macro 'hlist_entry_safe'
ptr ? hlist_entry(ptr, type, member) : NULL; \
^
include/linux/list.h:972:40: note: expanded from macro 'hlist_entry'
#define hlist_entry(ptr, type, member) container_of(ptr,type,member)
^
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to
see all)
include/linux/compiler_types.h:328:2: note: expanded from macro
'compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_,
__COUNTER__)
^
include/linux/compiler_types.h:316:2: note: expanded from macro
'_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^
include/linux/compiler_types.h:308:3: note: expanded from macro
'__compiletime_assert'
if (!(condition)) \
^
net/bridge/br_multicast.c:970:3: note: Loop condition is false. Exiting loop
hlist_for_each_entry(ent, &pg->src_list, node) {
^
include/linux/list.h:993:13: note: expanded from macro 'hlist_for_each_entry'
for (pos = hlist_entry_safe((head)->first, typeof(*(pos)), member);\
^
include/linux/list.h:983:15: note: expanded from macro 'hlist_entry_safe'
ptr ? hlist_entry(ptr, type, member) : NULL; \
^
include/linux/list.h:972:40: note: expanded from macro 'hlist_entry'
#define hlist_entry(ptr, type, member) container_of(ptr,type,member)
^
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to
see all)
include/linux/compiler_types.h:328:2: note: expanded from macro
'compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_,
__COUNTER__)
^
include/linux/compiler_types.h:316:2: note: expanded from macro
'_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^
include/linux/compiler_types.h:306:2: note: expanded from macro
'__compiletime_assert'
do {\
^
net/bridge/br_multicast.c:970:3: note: Loop condition is tru
[kbuild] [drm-drm-misc:drm-misc-next 2/2] Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from latest version at 'include/uapi/drm/drm.h': 1060> * disable that plane. The CRTC th
CC: kbuild-...@lists.01.org CC: linux-ker...@vger.kernel.org TO: Simon Ser CC: Pekka Paalanen CC: Daniel Vetter tree: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next head: 17ce9c61c71cbc0d7e6ba0a9f34c724fb316a31b commit: 17ce9c61c71cbc0d7e6ba0a9f34c724fb316a31b [2/2] drm: document DRM_IOCTL_MODE_RMFB :: branch date: 3 hours ago :: commit date: 3 hours ago compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0 reproduce: cd tools/perf && ./check-headers.sh If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot perfheadercheck warnings: (new ones prefixed by >>) Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from latest version at 'include/uapi/drm/drm.h': 638< * If set to 1, the kernel supports specifying a CRTC index in the high bits of Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from latest version at 'include/uapi/drm/drm.h': 639< * &drm_wait_vblank_request.type. Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from latest version at 'include/uapi/drm/drm.h': 638> * If set to 1, the kernel supports specifying a :ref:`CRTC index` Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from latest version at 'include/uapi/drm/drm.h': 639> * in the high bits of &drm_wait_vblank_request.type. Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from latest version at 'include/uapi/drm/drm.h': 1053> /** Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from latest version at 'include/uapi/drm/drm.h': 1054> * DRM_IOCTL_MODE_RMFB - Remove a framebuffer. Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from latest version at 'include/uapi/drm/drm.h': 1055> * Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from latest version at 'include/uapi/drm/drm.h': 1056> * This removes a framebuffer previously added via ADDFB/ADDFB2. The IOCTL Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from latest version at 'include/uapi/drm/drm.h': 1057> * argument is a framebuffer object ID. Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from latest version at 'include/uapi/drm/drm.h': 1058> * Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from latest version at 'include/uapi/drm/drm.h': 1059> * Warning: removing a framebuffer currently in-use on an enabled plane will >> Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from >> latest version at 'include/uapi/drm/drm.h': 1060> * disable that plane. The >> CRTC the plane is linked to may also be disabled Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from latest version at 'include/uapi/drm/drm.h': 1061> * (depending on driver capabilities). Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from latest version at 'include/uapi/drm/drm.h': 1062> */ --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org ___ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
[kbuild] [linux-next:master 1184/3379] drivers/of/fdt.c:196:4: warning: Value stored to 'pprev' is never read [clang-analyzer-deadcode.DeadStores]
CC: clang-built-li...@googlegroups.com
CC: kbuild-...@lists.01.org
CC: Linux Memory Management List
TO: "권오훈"
CC: Rob Herring
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: 2265c5286967c58db9a99ed1b74105977507e690
commit: eb7173988caf6fc68ef00065b9defb5ac3467f21 [1184/3379] of: fdt: remove
unnecessary codes
:: branch date: 17 hours ago
:: commit date: 12 days ago
config: x86_64-randconfig-c001-20210726 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project
c63dbd850182797bc4b76124d08e1c320ab2365d)
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=eb7173988caf6fc68ef00065b9defb5ac3467f21
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 eb7173988caf6fc68ef00065b9defb5ac3467f21
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
clang-analyzer warnings: (new ones prefixed by >>)
^
drivers/mtd/chips/cfi_cmdset_0020.c:703:7: note: Assuming the condition is
false
if (ECCBUF_DIV(elem_len)) { /* write clean aligned data */
^
drivers/mtd/chips/cfi_cmdset_0020.c:660:24: note: expanded from macro
'ECCBUF_DIV'
#define ECCBUF_DIV(x) ((x) & ~(ECCBUF_SIZE - 1))
^~~~
drivers/mtd/chips/cfi_cmdset_0020.c:703:3: note: Taking false branch
if (ECCBUF_DIV(elem_len)) { /* write clean aligned data */
^
drivers/mtd/chips/cfi_cmdset_0020.c:712:7: note: Assuming 'buflen' is not
equal to 0
if (buflen) {
^~
drivers/mtd/chips/cfi_cmdset_0020.c:712:3: note: Taking true branch
if (buflen) {
^
drivers/mtd/chips/cfi_cmdset_0020.c:714:29: note: The right operand of '+'
is a garbage value
memcpy(buffer, elem_base + thislen, buflen);
^ ~~~
drivers/mtd/chips/cfi_cmdset_0020.c:1035:16: warning: Value stored to
'timeo' during its initialization is never read
[clang-analyzer-deadcode.DeadStores]
unsigned long timeo = jiffies + HZ;
^
drivers/mtd/chips/cfi_cmdset_0020.c:1035:16: note: Value stored to 'timeo'
during its initialization is never read
unsigned long timeo = jiffies + HZ;
^
drivers/mtd/chips/cfi_cmdset_0020.c:1181:16: warning: Value stored to
'timeo' during its initialization is never read
[clang-analyzer-deadcode.DeadStores]
unsigned long timeo = jiffies + HZ;
^
drivers/mtd/chips/cfi_cmdset_0020.c:1181:16: note: Value stored to 'timeo'
during its initialization is never read
unsigned long timeo = jiffies + HZ;
^
Suppressed 4 warnings (4 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
4 warnings generated.
Suppressed 4 warnings (4 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
4 warnings generated.
Suppressed 4 warnings (4 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
2 warnings generated.
Suppressed 2 warnings (2 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
2 warnings generated.
Suppressed 2 warnings (2 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
[kbuild] arch/arc/kernel/signal.c:79 save_arcv2_regs() warn: maybe return -EFAULT instead of the bytes remaining?
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: Vineet Gupta
CC: linux-snps-...@lists.infradead.org
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: ff1176468d368232b684f75e82563369208bc371
commit: 96f1b00138cb8f04c742c82d0a7c460b2202e887 ARCv2: save ABI registers
across signal handling
date: 7 weeks ago
:: branch date: 2 days ago
:: commit date: 7 weeks ago
config: arc-randconfig-m031-20210727 (attached as .config)
compiler: arceb-elf-gcc (GCC) 10.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
New smatch warnings:
arch/arc/kernel/signal.c:79 save_arcv2_regs() warn: maybe return -EFAULT
instead of the bytes remaining?
arch/arc/kernel/signal.c:96 restore_arcv2_regs() warn: maybe return -EFAULT
instead of the bytes remaining?
Old smatch warnings:
arch/arc/kernel/signal.c:198 sys_rt_sigreturn() error: uninitialized symbol
'sp'.
arch/arc/include/asm/thread_info.h:65 current_thread_info() error:
uninitialized symbol 'sp'.
arch/arc/kernel/signal.c:297 setup_rt_frame() warn: ignoring unreachable code.
arch/arc/kernel/signal.c:312 setup_rt_frame() warn: ignoring unreachable code.
vim +79 arch/arc/kernel/signal.c
c3581039b6c51a Vineet Gupta 2013-01-18 63
96f1b00138cb8f Vineet Gupta 2021-06-08 64 static int save_arcv2_regs(struct
sigcontext *mctx, struct pt_regs *regs)
96f1b00138cb8f Vineet Gupta 2021-06-08 65 {
96f1b00138cb8f Vineet Gupta 2021-06-08 66 int err = 0;
96f1b00138cb8f Vineet Gupta 2021-06-08 67 #ifndef CONFIG_ISA_ARCOMPACT
96f1b00138cb8f Vineet Gupta 2021-06-08 68 struct user_regs_arcv2 v2abi;
96f1b00138cb8f Vineet Gupta 2021-06-08 69
96f1b00138cb8f Vineet Gupta 2021-06-08 70 v2abi.r30 = regs->r30;
96f1b00138cb8f Vineet Gupta 2021-06-08 71 #ifdef CONFIG_ARC_HAS_ACCL_REGS
96f1b00138cb8f Vineet Gupta 2021-06-08 72 v2abi.r58 = regs->r58;
96f1b00138cb8f Vineet Gupta 2021-06-08 73 v2abi.r59 = regs->r59;
96f1b00138cb8f Vineet Gupta 2021-06-08 74 #else
96f1b00138cb8f Vineet Gupta 2021-06-08 75 v2abi.r58 = v2abi.r59 = 0;
96f1b00138cb8f Vineet Gupta 2021-06-08 76 #endif
96f1b00138cb8f Vineet Gupta 2021-06-08 77 err =
__copy_to_user(&mctx->v2abi, &v2abi, sizeof(v2abi));
96f1b00138cb8f Vineet Gupta 2021-06-08 78 #endif
96f1b00138cb8f Vineet Gupta 2021-06-08 @79 return err;
96f1b00138cb8f Vineet Gupta 2021-06-08 80 }
96f1b00138cb8f Vineet Gupta 2021-06-08 81
96f1b00138cb8f Vineet Gupta 2021-06-08 82 static int
restore_arcv2_regs(struct sigcontext *mctx, struct pt_regs *regs)
96f1b00138cb8f Vineet Gupta 2021-06-08 83 {
96f1b00138cb8f Vineet Gupta 2021-06-08 84 int err = 0;
96f1b00138cb8f Vineet Gupta 2021-06-08 85 #ifndef CONFIG_ISA_ARCOMPACT
96f1b00138cb8f Vineet Gupta 2021-06-08 86 struct user_regs_arcv2 v2abi;
96f1b00138cb8f Vineet Gupta 2021-06-08 87
96f1b00138cb8f Vineet Gupta 2021-06-08 88 err = __copy_from_user(&v2abi,
&mctx->v2abi, sizeof(v2abi));
96f1b00138cb8f Vineet Gupta 2021-06-08 89
96f1b00138cb8f Vineet Gupta 2021-06-08 90 regs->r30 = v2abi.r30;
96f1b00138cb8f Vineet Gupta 2021-06-08 91 #ifdef CONFIG_ARC_HAS_ACCL_REGS
96f1b00138cb8f Vineet Gupta 2021-06-08 92 regs->r58 = v2abi.r58;
96f1b00138cb8f Vineet Gupta 2021-06-08 93 regs->r59 = v2abi.r59;
96f1b00138cb8f Vineet Gupta 2021-06-08 94 #endif
96f1b00138cb8f Vineet Gupta 2021-06-08 95 #endif
96f1b00138cb8f Vineet Gupta 2021-06-08 @96 return err;
96f1b00138cb8f Vineet Gupta 2021-06-08 97 }
96f1b00138cb8f Vineet Gupta 2021-06-08 98
---
0-DAY CI Kernel Test Service, Intel Corporation
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[kbuild] Re: [patch 1/4] add basic task isolation prctl interface
CC: kbuild-...@lists.01.org In-Reply-To: <20210727104119.551607...@fuller.cnet> References: <20210727104119.551607...@fuller.cnet> TO: Marcelo Tosatti TO: linux-ker...@vger.kernel.org CC: Nitesh Lal CC: Nicolas Saenz Julienne CC: Frederic Weisbecker CC: Christoph Lameter CC: Juri Lelli CC: Peter Zijlstra CC: Alex Belits CC: Peter Xu CC: Marcelo Tosatti Hi Marcelo, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.14-rc3] [cannot apply to hnaz-linux-mm/master linux/master tip/sched/core tip/core/entry next-20210726] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Marcelo-Tosatti/prctl-task-isolation-interface-and-vmstat-sync/20210727-184330 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git ff1176468d368232b684f75e82563369208bc371 :: branch date: 2 hours ago :: commit date: 2 hours ago compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0 reproduce: cd tools/perf && ./check-headers.sh If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot perfheadercheck warnings: (new ones prefixed by >>) >> Warning: Kernel ABI header at 'tools/include/uapi/linux/prctl.h' differs >> from latest version at 'include/uapi/linux/prctl.h': 270> /* Task isolation >> control */ >> Warning: Kernel ABI header at 'tools/include/uapi/linux/prctl.h' differs >> from latest version at 'include/uapi/linux/prctl.h': 271> #define >> PR_ISOL_SET 62 >> Warning: Kernel ABI header at 'tools/include/uapi/linux/prctl.h' differs >> from latest version at 'include/uapi/linux/prctl.h': 272> #define >> PR_ISOL_GET 63 >> Warning: Kernel ABI header at 'tools/include/uapi/linux/prctl.h' differs >> from latest version at 'include/uapi/linux/prctl.h': 273> #define >> PR_ISOL_ENTER64 >> Warning: Kernel ABI header at 'tools/include/uapi/linux/prctl.h' differs >> from latest version at 'include/uapi/linux/prctl.h': 274> #define >> PR_ISOL_EXIT 65 >> Warning: Kernel ABI header at 'tools/include/uapi/linux/prctl.h' differs >> from latest version at 'include/uapi/linux/prctl.h': 275> # define >> PR_ISOL_MODE1 Warning: Kernel ABI header at 'tools/include/uapi/linux/prctl.h' differs from latest version at 'include/uapi/linux/prctl.h': 276> >> Warning: Kernel ABI header at 'tools/include/uapi/linux/prctl.h' differs >> from latest version at 'include/uapi/linux/prctl.h': 277> # define >> PR_ISOL_MODE_NONE 0 >> Warning: Kernel ABI header at 'tools/include/uapi/linux/prctl.h' differs >> from latest version at 'include/uapi/linux/prctl.h': 278> # define >> PR_ISOL_MODE_NORMAL 1 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org ___ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
[kbuild] [printk:rework/printk_safe-removal 1/6] lib/nmi_backtrace.c:106 nmi_cpu_backtrace() error: uninitialized symbol 'flags'.
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: John Ogness
CC: Petr Mladek
tree: https://git.kernel.org/pub/scm/linux/kernel/git/printk/linux.git
rework/printk_safe-removal
head: 8d909b2333f37e5da84a9e6a2cbe21f52be5f42a
commit: 55d6af1d66885059ffc2ac23083de52d12be63bb [1/6] lib/nmi_backtrace:
explicitly serialize banner and regs
:: branch date: 19 hours ago
:: commit date: 19 hours ago
config: i386-randconfig-m021-20210726 (attached as .config)
compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
Reported-by: Dan Carpenter
smatch warnings:
lib/nmi_backtrace.c:106 nmi_cpu_backtrace() error: uninitialized symbol 'flags'.
vim +/flags +106 lib/nmi_backtrace.c
160c7ba34605d9 Paul E. McKenney 2020-07-08 91
b2c0b2cbb282f0 Russell King 2014-09-03 92 bool nmi_cpu_backtrace(struct
pt_regs *regs)
b2c0b2cbb282f0 Russell King 2014-09-03 93 {
b2c0b2cbb282f0 Russell King 2014-09-03 94 int cpu =
smp_processor_id();
55d6af1d668850 John Ogness 2021-07-15 95 unsigned long flags;
b2c0b2cbb282f0 Russell King 2014-09-03 96
b2c0b2cbb282f0 Russell King 2014-09-03 97 if
(cpumask_test_cpu(cpu, to_cpumask(backtrace_mask))) {
160c7ba34605d9 Paul E. McKenney 2020-07-08 98 if
(!READ_ONCE(backtrace_idle) && regs && cpu_in_idle(instruction_pointer(regs))) {
2f9b7e08cb27d6 Liu, Changcheng 2017-11-17 99
pr_warn("NMI backtrace for cpu %d skipped: idling at %pS\n",
2f9b7e08cb27d6 Liu, Changcheng 2017-11-17 100
cpu, (void *)instruction_pointer(regs));
6727ad9e206cc0 Chris Metcalf2016-10-07 101 } else {
55d6af1d668850 John Ogness 2021-07-15 102 /*
55d6af1d668850 John Ogness 2021-07-15 103 *
Allow nested NMI backtraces while serializing
55d6af1d668850 John Ogness 2021-07-15 104 *
against other CPUs.
55d6af1d668850 John Ogness 2021-07-15 105 */
55d6af1d668850 John Ogness 2021-07-15 @106
printk_cpu_lock_irqsave(flags);
---
0-DAY CI Kernel Test Service, Intel Corporation
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[kbuild] [plbossart-sound:merge/sound-upstream-20210726 3819/4059] sound/soc/soc-topology.c:1480:2: warning: Value stored to 'control_hdr' is never read [clang-analyzer-deadcode.DeadStores]
CC: kbuild-...@lists.01.org
TO: Peter Ujfalusi
CC: Kai Vehmanen
tree: https://github.com/plbossart/sound merge/sound-upstream-20210726
head: 2ae2cb25898106cd8d67d797300b219a7ddcf2f9
commit: 7c60d06634530437de78a92ef8c6cd4782d72440 [3819/4059] ASoC:
soc-topology: Move template info print soc_tplg_dapm_widget_create()
:: branch date: 13 hours ago
:: commit date: 5 weeks ago
config: x86_64-randconfig-c001-20210726 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project
c63dbd850182797bc4b76124d08e1c320ab2365d)
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
#
https://github.com/plbossart/sound/commit/7c60d06634530437de78a92ef8c6cd4782d72440
git remote add plbossart-sound https://github.com/plbossart/sound
git fetch --no-tags plbossart-sound merge/sound-upstream-20210726
git checkout 7c60d06634530437de78a92ef8c6cd4782d72440
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
clang-analyzer warnings: (new ones prefixed by >>)
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
3 warnings generated.
Suppressed 3 warnings (3 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
2 warnings generated.
Suppressed 2 warnings (2 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
5 warnings generated.
drivers/iio/frequency/adf4350.c:33:8: warning: Excessive padding in 'struct
adf4350_state' (116 padding bytes, where 52 is optimal).
Optimal fields order:
val,
r0_fract,
spi,
reg,
lock_detect_gpiod,
pdata,
clk,
clkin,
chspc,
fpfd,
min_out_freq,
freq_req,
regs,
regs_hw,
lock,
r0_int,
r1_mod,
r4_rf_div_sel,
consider reordering the fields or adding explicit padding members
[clang-analyzer-optin.performance.Padding]
struct adf4350_state {
~~~^~~
drivers/iio/frequency/adf4350.c:33:8: note: Excessive padding in 'struct
adf4350_state' (116 padding bytes, where 52 is optimal). Optimal fields order:
val, r0_fract, spi, reg, lock_detect_gpiod, pdata, clk, clkin, chspc, fpfd,
min_out_freq, freq_req, regs, regs_hw, lock, r0_int, r1_mod, r4_rf_div_sel,
consider reordering the fields or adding explicit padding members
struct adf4350_state {
~~~^~~
Suppressed 4 warnings (4 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
4 warnings generated.
Suppressed 4 warnings (4 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
4 warnings generated.
Suppressed 4 warnings (4 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
4 warnings generated.
Suppressed 4 warnings (4 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
2 warnings generated.
Suppressed 2 warnings (2 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use
-system-headers to display errors from system headers as well.
2 warnings generated.
Suppressed 2 warnings (2 in non-user code).
Use -header-
