Public bug reported:
SRU Justification
Impact:
The upstream process for stable tree updates is quite similar
in scope to the Ubuntu SRU process, e.g., each patch has to
demonstrably fix a bug, and each patch is vetted by upstream
by originating either directly from a mainline/stable Linux tree or
a minimally backported form of that patch. The following upstream
stable patches should be included in the Ubuntu kernel:
v5.4.35 upstream stable release
from git://git.kernel.org/
ext4: use non-movable memory for superblock readahead
watchdog: sp805: fix restart handler
xsk: Fix out of boundary write in __xsk_rcv_memcpy
arm, bpf: Fix bugs with ALU64 {RSH, ARSH} BPF_K shift by 0
arm, bpf: Fix offset overflow for BPF_MEM BPF_DW
objtool: Fix switch table detection in .text.unlikely
scsi: sg: add sg_remove_request in sg_common_write
ALSA: hda: Honor PM disablement in PM freeze and thaw_noirq ops
ARM: dts: imx6: Use gpc for FEC interrupt controller to fix wake on LAN.
kbuild, btf: Fix dependencies for DEBUG_INFO_BTF
netfilter: nf_tables: report EOPNOTSUPP on unsupported flags/object type
irqchip/mbigen: Free msi_desc on device teardown
ALSA: hda: Don't release card at firmware loading error
xsk: Add missing check on user supplied headroom size
of: unittest: kmemleak on changeset destroy
of: unittest: kmemleak in of_unittest_platform_populate()
of: unittest: kmemleak in of_unittest_overlay_high_level()
of: overlay: kmemleak in dup_and_fixup_symbol_prop()
x86/Hyper-V: Unload vmbus channel in hv panic callback
x86/Hyper-V: Trigger crash enlightenment only once during system crash.
x86/Hyper-V: Report crash register data or kmsg before running crash kernel
x86/Hyper-V: Report crash register data when sysctl_record_panic_msg is not set
x86/Hyper-V: Report crash data in die() when panic_on_oops is set
afs: Fix missing XDR advance in xdr_decode_{AFS,YFS}FSFetchStatus()
afs: Fix decoding of inline abort codes from version 1 status records
afs: Fix rename operation status delivery
afs: Fix afs_d_validate() to set the right directory version
afs: Fix race between post-modification dir edit and readdir/d_revalidate
block, bfq: turn put_queue into release_process_ref in __bfq_bic_change_cgroup
block, bfq: make reparent_leaf_entity actually work only on leaf entities
block, bfq: invoke flush_idle_tree after reparent_active_queues in pd_offline
rbd: avoid a deadlock on header_rwsem when flushing notifies
rbd: call rbd_dev_unprobe() after unwatching and flushing notifies
x86/Hyper-V: Free hv_panic_page when fail to register kmsg dump
drm/ttm: flush the fence on the bo after we individualize the reservation object
clk: Don't cache errors from clk_ops::get_phase()
clk: at91: usb: continue if clk_hw_round_rate() return zero
net/mlx5e: Enforce setting of a single FEC mode
f2fs: fix the panic in do_checkpoint()
ARM: dts: rockchip: fix vqmmc-supply property name for rk3188-bqedison2qc
arm64: dts: allwinner: a64: Fix display clock register range
power: supply: bq27xxx_battery: Silence deferred-probe error
clk: tegra: Fix Tegra PMC clock out parents
arm64: tegra: Add PCIe endpoint controllers nodes for Tegra194
arm64: tegra: Fix Tegra194 PCIe compatible string
arm64: dts: clearfog-gt-8k: set gigabit PHY reset deassert delay
soc: imx: gpc: fix power up sequencing
dma-coherent: fix integer overflow in the reserved-memory dma allocation
rtc: 88pm860x: fix possible race condition
NFS: alloc_nfs_open_context() must use the file cred when available
NFSv4/pnfs: Return valid stateids in nfs_layout_find_inode_by_stateid()
NFSv4.2: error out when relink swapfile
ARM: dts: rockchip: fix lvds-encoder ports subnode for rk3188-bqedison2qc
KVM: PPC: Book3S HV: Fix H_CEDE return code for nested guests
f2fs: fix to show norecovery mount option
phy: uniphier-usb3ss: Add Pro5 support
NFS: direct.c: Fix memory leak of dreq when nfs_get_lock_context fails
f2fs: Fix mount failure due to SPO after a successful online resize FS
f2fs: Add a new CP flag to help fsck fix resize SPO issues
s390/cpuinfo: fix wrong output when CPU0 is offline
hibernate: Allow uswsusp to write to swap
btrfs: add RCU locks around block group initialization
powerpc/prom_init: Pass the "os-term" message to hypervisor
powerpc/maple: Fix declaration made after definition
s390/cpum_sf: Fix wrong page count in error message
ext4: do not commit super on read-only bdev
um: ubd: Prevent buffer overrun on command completion
cifs: Allocate encryption header through kmalloc
mm/hugetlb: fix build failure with HUGETLB_PAGE but not HUGEBTLBFS
drm/nouveau/svm: check for SVM initialized before migrating
drm/nouveau/svm: fix vma range check for migration
include/linux/swapops.h: correct guards for non_swap_entry()
percpu_counter: fix a data race at vm_committed_as
compiler.h: fix error in BUILD_BUG_ON() reporting
KVM: s390: vsie: Fix possible race when shadowing region 3 tables
drm/nouveau: workaround runpm fail by disabling PCI power management on certain
intel bridges
leds: core: Fix warning message when init_data
x86: ACPI: fix CPU hotplug deadlock
csky: Fixup cpu speculative execution to IO area
drm/amdkfd: kfree the wrong pointer
NFS: Fix memory leaks in nfs_pageio_stop_mirroring()
csky: Fixup get wrong psr value from phyical reg
f2fs: fix NULL pointer dereference in f2fs_write_begin()
ACPICA: Fixes for acpiExec namespace init file
um: falloc.h needs to be directly included for older libc
drm/vc4: Fix HDMI mode validation
iommu/virtio: Fix freeing of incomplete domains
iommu/vt-d: Fix mm reference leak
ext2: fix empty body warnings when -Wextra is used
iommu/vt-d: Silence RCU-list debugging warning in dmar_find_atsr()
iommu/vt-d: Fix page request descriptor size
ext2: fix debug reference to ext2_xattr_cache
sunrpc: Fix gss_unwrap_resp_integ() again
csky: Fixup init_fpu compile warning with __init
power: supply: axp288_fuel_gauge: Broaden vendor check for Intel Compute Sticks.
libnvdimm: Out of bounds read in __nd_ioctl()
iommu/amd: Fix the configuration of GCR3 table root pointer
f2fs: fix to wait all node page writeback
drm/nouveau/gr/gp107,gp108: implement workaround for HW hanging during init
net: dsa: bcm_sf2: Fix overflow checks
dma-debug: fix displaying of dma allocation type
fbdev: potential information leak in do_fb_ioctl()
ARM: dts: sunxi: Fix DE2 clocks register range
iio: si1133: read 24-bit signed integer for measurement
fbmem: Adjust indentation in fb_prepare_logo and fb_blank
tty: evh_bytechan: Fix out of bounds accesses
locktorture: Print ratio of acquisitions, not failures
mtd: rawnand: free the nand_device object
mtd: spinand: Explicitly use MTD_OPS_RAW to write the bad block marker to OOB
docs: Fix path to MTD command line partition parser
mtd: lpddr: Fix a double free in probe()
mtd: phram: fix a double free issue in error path
KEYS: Don't write out to userspace while holding key semaphore
bpf: fix buggy r0 retval refinement for tracing helpers
bpf: Test_verifier, bpf_get_stack return value add <0
bpf: Test_progs, add test to catch retval refine error handling
bpf, test_verifier: switch bpf_get_stack's 0 s> r8 test
Linux 5.4.35
UBUNTU: upstream stable to v5.4.35
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Assignee: Kamal Mostafa (kamalmostafa)
Status: In Progress
** Tags: kernel-stable-tracking-bug
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Tags added: kernel-stable-tracking-bug
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Status: New => In Progress
** Changed in: linux (Ubuntu Focal)
Assignee: (unassigned) => Kamal Mostafa (kamalmostafa)
** Description changed:
+ SRU Justification
- SRU Justification
+ Impact:
+ The upstream process for stable tree updates is quite similar
+ in scope to the Ubuntu SRU process, e.g., each patch has to
+ demonstrably fix a bug, and each patch is vetted by upstream
+ by originating either directly from a mainline/stable Linux tree or
+ a minimally backported form of that patch. The following upstream
+ stable patches should be included in the Ubuntu kernel:
- Impact:
- The upstream process for stable tree updates is quite similar
- in scope to the Ubuntu SRU process, e.g., each patch has to
- demonstrably fix a bug, and each patch is vetted by upstream
- by originating either directly from a mainline/stable Linux tree or
- a minimally backported form of that patch. The following upstream
- stable patches should be included in the Ubuntu kernel:
+ v5.4.35 upstream stable release
+ from git://git.kernel.org/
- v5.4.35 upstream stable release
- from git://git.kernel.org/
+ ext4: use non-movable memory for superblock readahead
+ watchdog: sp805: fix restart handler
+ xsk: Fix out of boundary write in __xsk_rcv_memcpy
+ arm, bpf: Fix bugs with ALU64 {RSH, ARSH} BPF_K shift by 0
+ arm, bpf: Fix offset overflow for BPF_MEM BPF_DW
+ objtool: Fix switch table detection in .text.unlikely
+ scsi: sg: add sg_remove_request in sg_common_write
+ ALSA: hda: Honor PM disablement in PM freeze and thaw_noirq ops
+ ARM: dts: imx6: Use gpc for FEC interrupt controller to fix wake on LAN.
+ kbuild, btf: Fix dependencies for DEBUG_INFO_BTF
+ netfilter: nf_tables: report EOPNOTSUPP on unsupported flags/object type
+ irqchip/mbigen: Free msi_desc on device teardown
+ ALSA: hda: Don't release card at firmware loading error
+ xsk: Add missing check on user supplied headroom size
+ of: unittest: kmemleak on changeset destroy
+ of: unittest: kmemleak in of_unittest_platform_populate()
+ of: unittest: kmemleak in of_unittest_overlay_high_level()
+ of: overlay: kmemleak in dup_and_fixup_symbol_prop()
+ x86/Hyper-V: Unload vmbus channel in hv panic callback
+ x86/Hyper-V: Trigger crash enlightenment only once during system crash.
+ x86/Hyper-V: Report crash register data or kmsg before running crash kernel
+ x86/Hyper-V: Report crash register data when sysctl_record_panic_msg is not
set
+ x86/Hyper-V: Report crash data in die() when panic_on_oops is set
+ afs: Fix missing XDR advance in xdr_decode_{AFS,YFS}FSFetchStatus()
+ afs: Fix decoding of inline abort codes from version 1 status records
+ afs: Fix rename operation status delivery
+ afs: Fix afs_d_validate() to set the right directory version
+ afs: Fix race between post-modification dir edit and readdir/d_revalidate
+ block, bfq: turn put_queue into release_process_ref in __bfq_bic_change_cgroup
+ block, bfq: make reparent_leaf_entity actually work only on leaf entities
+ block, bfq: invoke flush_idle_tree after reparent_active_queues in pd_offline
+ rbd: avoid a deadlock on header_rwsem when flushing notifies
+ rbd: call rbd_dev_unprobe() after unwatching and flushing notifies
+ x86/Hyper-V: Free hv_panic_page when fail to register kmsg dump
+ drm/ttm: flush the fence on the bo after we individualize the reservation
object
+ clk: Don't cache errors from clk_ops::get_phase()
+ clk: at91: usb: continue if clk_hw_round_rate() return zero
+ net/mlx5e: Enforce setting of a single FEC mode
+ f2fs: fix the panic in do_checkpoint()
+ ARM: dts: rockchip: fix vqmmc-supply property name for rk3188-bqedison2qc
+ arm64: dts: allwinner: a64: Fix display clock register range
+ power: supply: bq27xxx_battery: Silence deferred-probe error
+ clk: tegra: Fix Tegra PMC clock out parents
+ arm64: tegra: Add PCIe endpoint controllers nodes for Tegra194
+ arm64: tegra: Fix Tegra194 PCIe compatible string
+ arm64: dts: clearfog-gt-8k: set gigabit PHY reset deassert delay
+ soc: imx: gpc: fix power up sequencing
+ dma-coherent: fix integer overflow in the reserved-memory dma allocation
+ rtc: 88pm860x: fix possible race condition
+ NFS: alloc_nfs_open_context() must use the file cred when available
+ NFSv4/pnfs: Return valid stateids in nfs_layout_find_inode_by_stateid()
+ NFSv4.2: error out when relink swapfile
+ ARM: dts: rockchip: fix lvds-encoder ports subnode for rk3188-bqedison2qc
+ KVM: PPC: Book3S HV: Fix H_CEDE return code for nested guests
+ f2fs: fix to show norecovery mount option
+ phy: uniphier-usb3ss: Add Pro5 support
+ NFS: direct.c: Fix memory leak of dreq when nfs_get_lock_context fails
+ f2fs: Fix mount failure due to SPO after a successful online resize FS
+ f2fs: Add a new CP flag to help fsck fix resize SPO issues
+ s390/cpuinfo: fix wrong output when CPU0 is offline
+ hibernate: Allow uswsusp to write to swap
+ btrfs: add RCU locks around block group initialization
+ powerpc/prom_init: Pass the "os-term" message to hypervisor
+ powerpc/maple: Fix declaration made after definition
+ s390/cpum_sf: Fix wrong page count in error message
+ ext4: do not commit super on read-only bdev
+ um: ubd: Prevent buffer overrun on command completion
+ cifs: Allocate encryption header through kmalloc
+ mm/hugetlb: fix build failure with HUGETLB_PAGE but not HUGEBTLBFS
+ drm/nouveau/svm: check for SVM initialized before migrating
+ drm/nouveau/svm: fix vma range check for migration
+ include/linux/swapops.h: correct guards for non_swap_entry()
+ percpu_counter: fix a data race at vm_committed_as
+ compiler.h: fix error in BUILD_BUG_ON() reporting
+ KVM: s390: vsie: Fix possible race when shadowing region 3 tables
+ drm/nouveau: workaround runpm fail by disabling PCI power management on
certain intel bridges
+ leds: core: Fix warning message when init_data
+ x86: ACPI: fix CPU hotplug deadlock
+ csky: Fixup cpu speculative execution to IO area
+ drm/amdkfd: kfree the wrong pointer
+ NFS: Fix memory leaks in nfs_pageio_stop_mirroring()
+ csky: Fixup get wrong psr value from phyical reg
+ f2fs: fix NULL pointer dereference in f2fs_write_begin()
+ ACPICA: Fixes for acpiExec namespace init file
+ um: falloc.h needs to be directly included for older libc
+ drm/vc4: Fix HDMI mode validation
+ iommu/virtio: Fix freeing of incomplete domains
+ iommu/vt-d: Fix mm reference leak
+ ext2: fix empty body warnings when -Wextra is used
+ iommu/vt-d: Silence RCU-list debugging warning in dmar_find_atsr()
+ iommu/vt-d: Fix page request descriptor size
+ ext2: fix debug reference to ext2_xattr_cache
+ sunrpc: Fix gss_unwrap_resp_integ() again
+ csky: Fixup init_fpu compile warning with __init
+ power: supply: axp288_fuel_gauge: Broaden vendor check for Intel Compute
Sticks.
+ libnvdimm: Out of bounds read in __nd_ioctl()
+ iommu/amd: Fix the configuration of GCR3 table root pointer
+ f2fs: fix to wait all node page writeback
+ drm/nouveau/gr/gp107,gp108: implement workaround for HW hanging during init
+ net: dsa: bcm_sf2: Fix overflow checks
+ dma-debug: fix displaying of dma allocation type
+ fbdev: potential information leak in do_fb_ioctl()
+ ARM: dts: sunxi: Fix DE2 clocks register range
+ iio: si1133: read 24-bit signed integer for measurement
+ fbmem: Adjust indentation in fb_prepare_logo and fb_blank
+ tty: evh_bytechan: Fix out of bounds accesses
+ locktorture: Print ratio of acquisitions, not failures
+ mtd: rawnand: free the nand_device object
+ mtd: spinand: Explicitly use MTD_OPS_RAW to write the bad block marker to OOB
+ docs: Fix path to MTD command line partition parser
+ mtd: lpddr: Fix a double free in probe()
+ mtd: phram: fix a double free issue in error path
+ KEYS: Don't write out to userspace while holding key semaphore
+ bpf: fix buggy r0 retval refinement for tracing helpers
+ bpf: Test_verifier, bpf_get_stack return value add <0
+ bpf: Test_progs, add test to catch retval refine error handling
+ bpf, test_verifier: switch bpf_get_stack's 0 s> r8 test
+ Linux 5.4.35
+ UBUNTU: upstream stable to v5.4.35
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1875660
Title:
Focal update: v5.4.35 upstream stable release
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Focal:
In Progress
Bug description:
SRU Justification
Impact:
The upstream process for stable tree updates is quite similar
in scope to the Ubuntu SRU process, e.g., each patch has to
demonstrably fix a bug, and each patch is vetted by upstream
by originating either directly from a mainline/stable Linux tree or
a minimally backported form of that patch. The following upstream
stable patches should be included in the Ubuntu kernel:
v5.4.35 upstream stable release
from git://git.kernel.org/
ext4: use non-movable memory for superblock readahead
watchdog: sp805: fix restart handler
xsk: Fix out of boundary write in __xsk_rcv_memcpy
arm, bpf: Fix bugs with ALU64 {RSH, ARSH} BPF_K shift by 0
arm, bpf: Fix offset overflow for BPF_MEM BPF_DW
objtool: Fix switch table detection in .text.unlikely
scsi: sg: add sg_remove_request in sg_common_write
ALSA: hda: Honor PM disablement in PM freeze and thaw_noirq ops
ARM: dts: imx6: Use gpc for FEC interrupt controller to fix wake on LAN.
kbuild, btf: Fix dependencies for DEBUG_INFO_BTF
netfilter: nf_tables: report EOPNOTSUPP on unsupported flags/object type
irqchip/mbigen: Free msi_desc on device teardown
ALSA: hda: Don't release card at firmware loading error
xsk: Add missing check on user supplied headroom size
of: unittest: kmemleak on changeset destroy
of: unittest: kmemleak in of_unittest_platform_populate()
of: unittest: kmemleak in of_unittest_overlay_high_level()
of: overlay: kmemleak in dup_and_fixup_symbol_prop()
x86/Hyper-V: Unload vmbus channel in hv panic callback
x86/Hyper-V: Trigger crash enlightenment only once during system crash.
x86/Hyper-V: Report crash register data or kmsg before running crash kernel
x86/Hyper-V: Report crash register data when sysctl_record_panic_msg is not
set
x86/Hyper-V: Report crash data in die() when panic_on_oops is set
afs: Fix missing XDR advance in xdr_decode_{AFS,YFS}FSFetchStatus()
afs: Fix decoding of inline abort codes from version 1 status records
afs: Fix rename operation status delivery
afs: Fix afs_d_validate() to set the right directory version
afs: Fix race between post-modification dir edit and readdir/d_revalidate
block, bfq: turn put_queue into release_process_ref in __bfq_bic_change_cgroup
block, bfq: make reparent_leaf_entity actually work only on leaf entities
block, bfq: invoke flush_idle_tree after reparent_active_queues in pd_offline
rbd: avoid a deadlock on header_rwsem when flushing notifies
rbd: call rbd_dev_unprobe() after unwatching and flushing notifies
x86/Hyper-V: Free hv_panic_page when fail to register kmsg dump
drm/ttm: flush the fence on the bo after we individualize the reservation
object
clk: Don't cache errors from clk_ops::get_phase()
clk: at91: usb: continue if clk_hw_round_rate() return zero
net/mlx5e: Enforce setting of a single FEC mode
f2fs: fix the panic in do_checkpoint()
ARM: dts: rockchip: fix vqmmc-supply property name for rk3188-bqedison2qc
arm64: dts: allwinner: a64: Fix display clock register range
power: supply: bq27xxx_battery: Silence deferred-probe error
clk: tegra: Fix Tegra PMC clock out parents
arm64: tegra: Add PCIe endpoint controllers nodes for Tegra194
arm64: tegra: Fix Tegra194 PCIe compatible string
arm64: dts: clearfog-gt-8k: set gigabit PHY reset deassert delay
soc: imx: gpc: fix power up sequencing
dma-coherent: fix integer overflow in the reserved-memory dma allocation
rtc: 88pm860x: fix possible race condition
NFS: alloc_nfs_open_context() must use the file cred when available
NFSv4/pnfs: Return valid stateids in nfs_layout_find_inode_by_stateid()
NFSv4.2: error out when relink swapfile
ARM: dts: rockchip: fix lvds-encoder ports subnode for rk3188-bqedison2qc
KVM: PPC: Book3S HV: Fix H_CEDE return code for nested guests
f2fs: fix to show norecovery mount option
phy: uniphier-usb3ss: Add Pro5 support
NFS: direct.c: Fix memory leak of dreq when nfs_get_lock_context fails
f2fs: Fix mount failure due to SPO after a successful online resize FS
f2fs: Add a new CP flag to help fsck fix resize SPO issues
s390/cpuinfo: fix wrong output when CPU0 is offline
hibernate: Allow uswsusp to write to swap
btrfs: add RCU locks around block group initialization
powerpc/prom_init: Pass the "os-term" message to hypervisor
powerpc/maple: Fix declaration made after definition
s390/cpum_sf: Fix wrong page count in error message
ext4: do not commit super on read-only bdev
um: ubd: Prevent buffer overrun on command completion
cifs: Allocate encryption header through kmalloc
mm/hugetlb: fix build failure with HUGETLB_PAGE but not HUGEBTLBFS
drm/nouveau/svm: check for SVM initialized before migrating
drm/nouveau/svm: fix vma range check for migration
include/linux/swapops.h: correct guards for non_swap_entry()
percpu_counter: fix a data race at vm_committed_as
compiler.h: fix error in BUILD_BUG_ON() reporting
KVM: s390: vsie: Fix possible race when shadowing region 3 tables
drm/nouveau: workaround runpm fail by disabling PCI power management on
certain intel bridges
leds: core: Fix warning message when init_data
x86: ACPI: fix CPU hotplug deadlock
csky: Fixup cpu speculative execution to IO area
drm/amdkfd: kfree the wrong pointer
NFS: Fix memory leaks in nfs_pageio_stop_mirroring()
csky: Fixup get wrong psr value from phyical reg
f2fs: fix NULL pointer dereference in f2fs_write_begin()
ACPICA: Fixes for acpiExec namespace init file
um: falloc.h needs to be directly included for older libc
drm/vc4: Fix HDMI mode validation
iommu/virtio: Fix freeing of incomplete domains
iommu/vt-d: Fix mm reference leak
ext2: fix empty body warnings when -Wextra is used
iommu/vt-d: Silence RCU-list debugging warning in dmar_find_atsr()
iommu/vt-d: Fix page request descriptor size
ext2: fix debug reference to ext2_xattr_cache
sunrpc: Fix gss_unwrap_resp_integ() again
csky: Fixup init_fpu compile warning with __init
power: supply: axp288_fuel_gauge: Broaden vendor check for Intel Compute
Sticks.
libnvdimm: Out of bounds read in __nd_ioctl()
iommu/amd: Fix the configuration of GCR3 table root pointer
f2fs: fix to wait all node page writeback
drm/nouveau/gr/gp107,gp108: implement workaround for HW hanging during init
net: dsa: bcm_sf2: Fix overflow checks
dma-debug: fix displaying of dma allocation type
fbdev: potential information leak in do_fb_ioctl()
ARM: dts: sunxi: Fix DE2 clocks register range
iio: si1133: read 24-bit signed integer for measurement
fbmem: Adjust indentation in fb_prepare_logo and fb_blank
tty: evh_bytechan: Fix out of bounds accesses
locktorture: Print ratio of acquisitions, not failures
mtd: rawnand: free the nand_device object
mtd: spinand: Explicitly use MTD_OPS_RAW to write the bad block marker to OOB
docs: Fix path to MTD command line partition parser
mtd: lpddr: Fix a double free in probe()
mtd: phram: fix a double free issue in error path
KEYS: Don't write out to userspace while holding key semaphore
bpf: fix buggy r0 retval refinement for tracing helpers
bpf: Test_verifier, bpf_get_stack return value add <0
bpf: Test_progs, add test to catch retval refine error handling
bpf, test_verifier: switch bpf_get_stack's 0 s> r8 test
Linux 5.4.35
UBUNTU: upstream stable to v5.4.35
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