A small set of pdx86 fixes for 5.14:
- asus-nb-wmi: Enable SW_TABLET_MODE support for the TP200s (DMI quirk)
- gigabyte-wmi: Enable on 2 more Gigabyte motherboards (2 DMI quirks)
The following is an automated git shortlog grouped by driver:
asus-nb-wmi:
- Add tablet_mode_sw=lid-flip quirk for the TP200s
- Allow configuring SW_TABLET_MODE method with a module option
gigabyte-wmi:
- add support for B450M S2H V2
- add support for X570 GAMING X
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Merge tag 'platform-drivers-x86-v5.14-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
- Enable SW_TABLET_MODE support for the TP200s
- Enable WMI on two more Gigabyte motherboards
* tag 'platform-drivers-x86-v5.14-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: gigabyte-wmi: add support for B450M S2H V2
platform/x86: gigabyte-wmi: add support for X570 GAMING X
platform/x86: asus-nb-wmi: Add tablet_mode_sw=lid-flip quirk for the TP200s
platform/x86: asus-nb-wmi: Allow configuring SW_TABLET_MODE method with a module option
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Merge tag 'for-5.14-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fix from David Sterba:
"One more fix for cross-rename, adding a missing check for directory
and subvolume, this could lead to a crash"
* tag 'for-5.14-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: prevent rename2 from exchanging a subvol with a directory from different parents
Hopefully the last PR for 5.14: here includes only a few regression
fixes and trivial device quirks.
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Merge tag 'sound-5.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Only a few regression fixes and trivial device quirks"
* tag 'sound-5.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/via: Apply runtime PM workaround for ASUS B23E
ALSA: hda: Fix hang during shutdown due to link reset
ALSA: hda/realtek: Enable 4-speaker output for Dell XPS 15 9510 laptop
ALSA: oxfw: fix functioal regression for silence in Apogee Duet FireWire
ALSA: hda - fix the 'Capture Switch' value change notifications
I had forgotten just how sensitive hackbench is to extra pipe wakeups,
and commit 3a34b13a88 ("pipe: make pipe writes always wake up
readers") ended up causing a quite noticeable regression on larger
machines.
Now, hackbench isn't necessarily a hugely meaningful benchmark, and it's
not clear that this matters in real life all that much, but as Mel
points out, it's used often enough when comparing kernels and so the
performance regression shows up like a sore thumb.
It's easy enough to fix at least for the common cases where pipes are
used purely for data transfer, and you never have any exciting poll
usage at all. So set a special 'poll_usage' flag when there is polling
activity, and make the ugly "EPOLLET has crazy legacy expectations"
semantics explicit to only that case.
I would love to limit it to just the broken EPOLLET case, but the pipe
code can't see the difference between epoll and regular select/poll, so
any non-read/write waiting will trigger the extra wakeup behavior. That
is sufficient for at least the hackbench case.
Apart from making the odd extra wakeup cases more explicitly about
EPOLLET, this also makes the extra wakeup be at the _end_ of the pipe
write, not at the first write chunk. That is actually much saner
semantics (as much as you can call any of the legacy edge-triggered
expectations for EPOLLET "sane") since it means that you know the wakeup
will happen once the write is done, rather than possibly in the middle
of one.
[ For stable people: I'm putting a "Fixes" tag on this, but I leave it
up to you to decide whether you actually want to backport it or not.
It likely has no impact outside of synthetic benchmarks - Linus ]
Link: https://lore.kernel.org/lkml/20210802024945.GA8372@xsang-OptiPlex-9020/
Fixes: 3a34b13a88 ("pipe: make pipe writes always wake up readers")
Reported-by: kernel test robot <oliver.sang@intel.com>
Tested-by: Sandeep Patil <sspatil@android.com>
Tested-by: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The "tp_printk" option redirects the trace event output to printk at boot
up. This is useful when a machine crashes before boot where the trace events
can not be retrieved by the in kernel ring buffer. But it can be "dangerous"
because trace events can be located in high frequency locations such as
interrupts and the scheduler, where a printk can slow it down that it live
locks the machine (because by the time the printk finishes, the next event
is triggered). Thus tp_printk must be used with care.
It was discovered that the filter logic to trace events does not apply to
the tp_printk events. This can cause a surprise and live lock when the user
expects it to be filtered to limit the amount of events printed to the
console when in fact it still prints everything.
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Merge tag 'trace-v5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fix from Steven Rostedt:
"Limit the shooting in the foot of tp_printk
The "tp_printk" option redirects the trace event output to printk at
boot up. This is useful when a machine crashes before boot where the
trace events can not be retrieved by the in kernel ring buffer. But it
can be "dangerous" because trace events can be located in high
frequency locations such as interrupts and the scheduler, where a
printk can slow it down that it live locks the machine (because by the
time the printk finishes, the next event is triggered). Thus tp_printk
must be used with care.
It was discovered that the filter logic to trace events does not apply
to the tp_printk events. This can cause a surprise and live lock when
the user expects it to be filtered to limit the amount of events
printed to the console when in fact it still prints everything"
* tag 'trace-v5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Apply trace filters on all output channels
Pull crypto fix from Herbert Xu:
"This contains a fix for a potential boot failure due to a missing
Kconfig dependency for people upgrading with the DRBG enabled"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: drbg - select SHA512
- Fix header alignment when PREEMPT_RT is enabled for osnoise tracer
- Inject "stop" event to see where osnoise stopped the trace
- Define DYNAMIC_FTRACE_WITH_ARGS as some code had an #ifdef for it
- Fix erroneous message for bootconfig cmdline parameter
- Fix crash caused by not found variable in histograms
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Merge tag 'trace-v5.14-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
"Fixes and clean ups to tracing:
- Fix header alignment when PREEMPT_RT is enabled for osnoise tracer
- Inject "stop" event to see where osnoise stopped the trace
- Define DYNAMIC_FTRACE_WITH_ARGS as some code had an #ifdef for it
- Fix erroneous message for bootconfig cmdline parameter
- Fix crash caused by not found variable in histograms"
* tag 'trace-v5.14-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing / histogram: Fix NULL pointer dereference on strcmp() on NULL event name
init: Suppress wrong warning for bootconfig cmdline parameter
tracing: define needed config DYNAMIC_FTRACE_WITH_ARGS
trace/osnoise: Print a stop tracing message
trace/timerlat: Add a header with PREEMPT_RT additional fields
trace/osnoise: Add a header with PREEMPT_RT additional fields
Fixes in virtio,vhost,vdpa drivers.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio fixes from Michael Tsirkin:
"Fixes in virtio, vhost, and vdpa drivers"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vdpa/mlx5: Fix queue type selection logic
vdpa/mlx5: Avoid destroying MR on empty iotlb
tools/virtio: fix build
virtio_ring: pull in spinlock header
vringh: pull in spinlock header
virtio-blk: Add validation for block size in config space
vringh: Use wiov->used to check for read/write desc order
virtio_vdpa: reject invalid vq indices
vdpa: Add documentation for vdpa_alloc_device() macro
vDPA/ifcvf: Fix return value check for vdpa_alloc_device()
vp_vdpa: Fix return value check for vdpa_alloc_device()
vdpa_sim: Fix return value check for vdpa_alloc_device()
vhost: Fix the calculation in vhost_overflow()
vhost-vdpa: Fix integer overflow in vhost_vdpa_process_iotlb_update()
virtio_pci: Support surprise removal of virtio pci device
virtio: Protect vqs list access
virtio: Keep vring_del_virtqueue() mirror of VQ create
virtio: Improve vq->broken access to avoid any compiler optimization
The event filters are not applied on all of the output, which results in
the flood of printk when using tp_printk. Unfolding
event_trigger_unlock_commit_regs() into trace_event_buffer_commit(), so
the filters can be applied on every output.
Link: https://lkml.kernel.org/r/20210814034538.8428-1-kernelfans@gmail.com
Cc: stable@vger.kernel.org
Fixes: 0daa230296 ("tracing: Add tp_printk cmdline to have tracepoints go to printk()")
Signed-off-by: Pingfan Liu <kernelfans@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
If L1 disables VMLOAD/VMSAVE intercepts, and doesn't enable
Virtual VMLOAD/VMSAVE (currently not supported for the nested hypervisor),
then VMLOAD/VMSAVE must operate on the L1 physical memory, which is only
possible by making L0 intercept these instructions.
Failure to do so allowed the nested guest to run VMLOAD/VMSAVE unintercepted,
and thus read/write portions of the host physical memory.
Fixes: 89c8a4984f ("KVM: SVM: Enable Virtual VMLOAD VMSAVE feature")
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* Invert the mask of bits that we pick from L2 in
nested_vmcb02_prepare_control
* Invert and explicitly use VIRQ related bits bitmask in svm_clear_vintr
This fixes a security issue that allowed a malicious L1 to run L2 with
AVIC enabled, which allowed the L2 to exploit the uninitialized and enabled
AVIC to read/write the host physical memory at some offsets.
Fixes: 3d6368ef58 ("KVM: SVM: Add VMRUN handler")
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Cross-rename lacks a check when that would prevent exchanging a
directory and subvolume from different parent subvolume. This causes
data inconsistencies and is caught before commit by tree-checker,
turning the filesystem to read-only.
Calling the renameat2 with RENAME_EXCHANGE flags like
renameat2(AT_FDCWD, namesrc, AT_FDCWD, namedest, (1 << 1))
on two paths:
namesrc = dir1/subvol1/dir2
namedest = subvol2/subvol3
will cause key order problem with following write time tree-checker
report:
[1194842.307890] BTRFS critical (device loop1): corrupt leaf: root=5 block=27574272 slot=10 ino=258, invalid previous key objectid, have 257 expect 258
[1194842.322221] BTRFS info (device loop1): leaf 27574272 gen 8 total ptrs 11 free space 15444 owner 5
[1194842.331562] BTRFS info (device loop1): refs 2 lock_owner 0 current 26561
[1194842.338772] item 0 key (256 1 0) itemoff 16123 itemsize 160
[1194842.338793] inode generation 3 size 16 mode 40755
[1194842.338801] item 1 key (256 12 256) itemoff 16111 itemsize 12
[1194842.338809] item 2 key (256 84 2248503653) itemoff 16077 itemsize 34
[1194842.338817] dir oid 258 type 2
[1194842.338823] item 3 key (256 84 2363071922) itemoff 16043 itemsize 34
[1194842.338830] dir oid 257 type 2
[1194842.338836] item 4 key (256 96 2) itemoff 16009 itemsize 34
[1194842.338843] item 5 key (256 96 3) itemoff 15975 itemsize 34
[1194842.338852] item 6 key (257 1 0) itemoff 15815 itemsize 160
[1194842.338863] inode generation 6 size 8 mode 40755
[1194842.338869] item 7 key (257 12 256) itemoff 15801 itemsize 14
[1194842.338876] item 8 key (257 84 2505409169) itemoff 15767 itemsize 34
[1194842.338883] dir oid 256 type 2
[1194842.338888] item 9 key (257 96 2) itemoff 15733 itemsize 34
[1194842.338895] item 10 key (258 12 256) itemoff 15719 itemsize 14
[1194842.339163] BTRFS error (device loop1): block=27574272 write time tree block corruption detected
[1194842.339245] ------------[ cut here ]------------
[1194842.443422] WARNING: CPU: 6 PID: 26561 at fs/btrfs/disk-io.c:449 csum_one_extent_buffer+0xed/0x100 [btrfs]
[1194842.511863] CPU: 6 PID: 26561 Comm: kworker/u17:2 Not tainted 5.14.0-rc3-git+ #793
[1194842.511870] Hardware name: empty empty/S3993, BIOS PAQEX0-3 02/24/2008
[1194842.511876] Workqueue: btrfs-worker-high btrfs_work_helper [btrfs]
[1194842.511976] RIP: 0010:csum_one_extent_buffer+0xed/0x100 [btrfs]
[1194842.512068] RSP: 0018:ffffa2c284d77da0 EFLAGS: 00010282
[1194842.512074] RAX: 0000000000000000 RBX: 0000000000001000 RCX: ffff928867bd9978
[1194842.512078] RDX: 0000000000000000 RSI: 0000000000000027 RDI: ffff928867bd9970
[1194842.512081] RBP: ffff92876b958000 R08: 0000000000000001 R09: 00000000000c0003
[1194842.512085] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[1194842.512088] R13: ffff92875f989f98 R14: 0000000000000000 R15: 0000000000000000
[1194842.512092] FS: 0000000000000000(0000) GS:ffff928867a00000(0000) knlGS:0000000000000000
[1194842.512095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[1194842.512099] CR2: 000055f5384da1f0 CR3: 0000000102fe4000 CR4: 00000000000006e0
[1194842.512103] Call Trace:
[1194842.512128] ? run_one_async_free+0x10/0x10 [btrfs]
[1194842.631729] btree_csum_one_bio+0x1ac/0x1d0 [btrfs]
[1194842.631837] run_one_async_start+0x18/0x30 [btrfs]
[1194842.631938] btrfs_work_helper+0xd5/0x1d0 [btrfs]
[1194842.647482] process_one_work+0x262/0x5e0
[1194842.647520] worker_thread+0x4c/0x320
[1194842.655935] ? process_one_work+0x5e0/0x5e0
[1194842.655946] kthread+0x135/0x160
[1194842.655953] ? set_kthread_struct+0x40/0x40
[1194842.655965] ret_from_fork+0x1f/0x30
[1194842.672465] irq event stamp: 1729
[1194842.672469] hardirqs last enabled at (1735): [<ffffffffbd1104f5>] console_trylock_spinning+0x185/0x1a0
[1194842.672477] hardirqs last disabled at (1740): [<ffffffffbd1104cc>] console_trylock_spinning+0x15c/0x1a0
[1194842.672482] softirqs last enabled at (1666): [<ffffffffbdc002e1>] __do_softirq+0x2e1/0x50a
[1194842.672491] softirqs last disabled at (1651): [<ffffffffbd08aab7>] __irq_exit_rcu+0xa7/0xd0
The corrupted data will not be written, and filesystem can be unmounted
and mounted again (all changes since the last commit will be lost).
Add the missing check for new_ino so that all non-subvolumes must reside
under the same parent subvolume. There's an exception allowing to
exchange two subvolumes from any parents as the directory representing a
subvolume is only a logical link and does not have any other structures
related to the parent subvolume, unlike files, directories etc, that
are always in the inode namespace of the parent subvolume.
Fixes: cdd1fedf82 ("btrfs: add support for RENAME_EXCHANGE and RENAME_WHITEOUT")
CC: stable@vger.kernel.org # 4.7+
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
- Fix crashes coming out of nap on 32-bit Book3s (eg. powerbooks).
- Fix critical and debug interrupts on BookE, seen as crashes when using ptrace.
- Fix an oops when running an SMP kernel on a UP system.
- Update pseries LPAR security flavor after partition migration.
- Fix an oops when using kprobes on BookE.
- Fix oops on 32-bit pmac by not calling do_IRQ() from timer_interrupt().
- Fix softlockups on CPU hotplug into a CPU-less node with xive (P9).
Thanks to: Cédric Le Goater, Christophe Leroy, Finn Thain, Geetika Moolchandani, Laurent
Dufour, Laurent Vivier, Nicholas Piggin, Pu Lehui, Radu Rendec, Srikar Dronamraju, Stan
Johnson.
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Merge tag 'powerpc-5.14-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix crashes coming out of nap on 32-bit Book3s (eg. powerbooks).
- Fix critical and debug interrupts on BookE, seen as crashes when
using ptrace.
- Fix an oops when running an SMP kernel on a UP system.
- Update pseries LPAR security flavor after partition migration.
- Fix an oops when using kprobes on BookE.
- Fix oops on 32-bit pmac by not calling do_IRQ() from
timer_interrupt().
- Fix softlockups on CPU hotplug into a CPU-less node with xive (P9).
Thanks to Cédric Le Goater, Christophe Leroy, Finn Thain, Geetika
Moolchandani, Laurent Dufour, Laurent Vivier, Nicholas Piggin, Pu Lehui,
Radu Rendec, Srikar Dronamraju, and Stan Johnson.
* tag 'powerpc-5.14-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/xive: Do not skip CPU-less nodes when creating the IPIs
powerpc/interrupt: Do not call single_step_exception() from other exceptions
powerpc/interrupt: Fix OOPS by not calling do_IRQ() from timer_interrupt()
powerpc/kprobes: Fix kprobe Oops happens in booke
powerpc/pseries: Fix update of LPAR security flavor after LPM
powerpc/smp: Fix OOPS in topology_init()
powerpc/32: Fix critical and debug interrupts on BOOKE
powerpc/32s: Fix napping restore in data storage interrupt (DSI)
- Mask all MSI-X entries when enabling MSI-X otherwise stale unmasked
entries stay around e.g. when a crashkernel is booted.
- Enforce masking of a MSI-X table entry when updating it, which mandatory
according to speification
- Ensure that writes to MSI[-X} tables are flushed.
- Prevent invalid bits being set in the MSI mask register
- Properly serialize modifications to the mask cache and the mask register
for multi-MSI.
- Cure the violation of the affinity setting rules on X86 during interrupt
startup which can cause lost and stale interrupts. Move the initial
affinity setting ahead of actualy enabling the interrupt.
- Ensure that MSI interrupts are completely torn down before freeing them
in the error handling case.
- Prevent an array out of bounds access in the irq timings code.
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Merge tag 'irq-urgent-2021-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"A set of fixes for PCI/MSI and x86 interrupt startup:
- Mask all MSI-X entries when enabling MSI-X otherwise stale unmasked
entries stay around e.g. when a crashkernel is booted.
- Enforce masking of a MSI-X table entry when updating it, which
mandatory according to speification
- Ensure that writes to MSI[-X} tables are flushed.
- Prevent invalid bits being set in the MSI mask register
- Properly serialize modifications to the mask cache and the mask
register for multi-MSI.
- Cure the violation of the affinity setting rules on X86 during
interrupt startup which can cause lost and stale interrupts. Move
the initial affinity setting ahead of actualy enabling the
interrupt.
- Ensure that MSI interrupts are completely torn down before freeing
them in the error handling case.
- Prevent an array out of bounds access in the irq timings code"
* tag 'irq-urgent-2021-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
driver core: Add missing kernel doc for device::msi_lock
genirq/msi: Ensure deactivation on teardown
genirq/timings: Prevent potential array overflow in __irq_timings_store()
x86/msi: Force affinity setup before startup
x86/ioapic: Force affinity setup before startup
genirq: Provide IRQCHIP_AFFINITY_PRE_STARTUP
PCI/MSI: Protect msi_desc::masked for multi-MSI
PCI/MSI: Use msi_mask_irq() in pci_msi_shutdown()
PCI/MSI: Correct misleading comments
PCI/MSI: Do not set invalid bits in MSI mask
PCI/MSI: Enforce MSI[X] entry updates to be visible
PCI/MSI: Enforce that MSI-X table entry is masked for update
PCI/MSI: Mask all unused MSI-X entries
PCI/MSI: Enable and mask MSI-X early
A batch of fixes for the arm64 stub image loader:
- fix a logic bug that can make the random page allocator fail
spuriously
- force reallocation of the Image when it overlaps with firmware
reserved memory regions
- fix an oversight that defeated on optimization introduced earlier
where images loaded at a suitable offset are never moved if booting
without randomization
- complain about images that were not loaded at the right offset by the
firmware image loader.
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Merge tag 'efi_urgent_for_v5.14_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fixes from Borislav Petkov:
"A batch of fixes for the arm64 stub image loader:
- fix a logic bug that can make the random page allocator fail
spuriously
- force reallocation of the Image when it overlaps with firmware
reserved memory regions
- fix an oversight that defeated on optimization introduced earlier
where images loaded at a suitable offset are never moved if booting
without randomization
- complain about images that were not loaded at the right offset by
the firmware image loader"
* tag 'efi_urgent_for_v5.14_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/libstub: arm64: Double check image alignment at entry
efi/libstub: arm64: Warn when efi_random_alloc() fails
efi/libstub: arm64: Relax 2M alignment again for relocatable kernels
efi/libstub: arm64: Force Image reallocation if BSS was not reserved
arm64: efi: kaslr: Fix occasional random alloc (and boot) failure
version
- Fix resctrl default monitoring groups reporting when new subgroups get
created
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Merge tag 'x86_urgent_for_v5.14_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
"Two fixes:
- An objdump checker fix to ignore parenthesized strings in the
objdump version
- Fix resctrl default monitoring groups reporting when new subgroups
get created"
* tag 'x86_urgent_for_v5.14_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/resctrl: Fix default monitoring groups reporting
x86/tools: Fix objdump version check again
- Plug race between enabling MTE and creating vcpus
- Fix off-by-one bug when checking whether an address range is RAM
x86:
- Fixes for the new MMU, especially a memory leak on hosts with <39
physical address bits
- Remove bogus EFER.NX checks on 32-bit non-PAE hosts
- WAITPKG fix
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"ARM:
- Plug race between enabling MTE and creating vcpus
- Fix off-by-one bug when checking whether an address range is RAM
x86:
- Fixes for the new MMU, especially a memory leak on hosts with <39
physical address bits
- Remove bogus EFER.NX checks on 32-bit non-PAE hosts
- WAITPKG fix"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86/mmu: Protect marking SPs unsync when using TDP MMU with spinlock
KVM: x86/mmu: Don't step down in the TDP iterator when zapping all SPTEs
KVM: x86/mmu: Don't leak non-leaf SPTEs when zapping all SPTEs
KVM: nVMX: Use vmx_need_pf_intercept() when deciding if L0 wants a #PF
kvm: vmx: Sync all matching EPTPs when injecting nested EPT fault
KVM: x86: remove dead initialization
KVM: x86: Allow guest to set EFER.NX=1 on non-PAE 32-bit kernels
KVM: VMX: Use current VMCS to query WAITPKG support for MSR emulation
KVM: arm64: Fix race when enabling KVM_ARM_CAP_MTE
KVM: arm64: Fix off-by-one in range_is_memory
The 2021-model XPS 15 appears to use the same 4-speakers-on-ALC289 audio
setup as the Precision models, so requires the same quirk to enable woofer
output. Tested on my own 9510.
Signed-off-by: Kristin Paget <kristin@tombom.co.uk>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/e1fc95c5-c10a-1f98-a5c2-dd6e336157e1@tombom.co.uk
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Three minor fixes, all in drivers.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Three minor fixes, all in drivers"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: mpt3sas: Fix incorrectly assigned error return and check
scsi: storvsc: Log TEST_UNIT_READY errors as warnings
scsi: lpfc: Move initialization of phba->poll_list earlier to avoid crash
- Fix support for NFIT "virtual" ranges (BIOS-defined memory disks)
- Fix recovery from failed label storage areas on NVDIMM devices
- Miscellaneous cleanups from Ira's investigation of dax_direct_access
paths preparing for stray-write protection.
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Merge tag 'libnvdimm-fixes-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
"A couple of fixes for long standing bugs, a warning fixup, and some
miscellaneous dax cleanups.
The bugs were recently found due to new platforms looking to use the
ACPI NFIT "virtual" device definition, and new error injection
capabilities to trigger error responses to label area requests. Ira's
cleanups have been long pending, I neglected to send them earlier, and
see no harm in including them now. This has all appeared in -next with
no reported issues.
Summary:
- Fix support for NFIT "virtual" ranges (BIOS-defined memory disks)
- Fix recovery from failed label storage areas on NVDIMM devices
- Miscellaneous cleanups from Ira's investigation of
dax_direct_access paths preparing for stray-write protection"
* tag 'libnvdimm-fixes-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
tools/testing/nvdimm: Fix missing 'fallthrough' warning
libnvdimm/region: Fix label activation vs errors
ACPI: NFIT: Fix support for virtual SPA ranges
dax: Ensure errno is returned from dax_direct_access
fs/dax: Clarify nr_pages to dax_direct_access()
fs/fuse: Remove unneeded kaddr parameter
Here is a single revert of a commit that caused problems in 5.14-rc5 for
5.14-rc6. It has been in linux-next almost all week, and has resolved
the issues that were reported on lots of different systems that were not
the platform that the change was originally tested on (gotta love SoC
cores used in multiple devices from multiple vendors...)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fix from Greg KH:
"A single revert of a commit that caused problems in 5.14-rc5 for
5.14-rc6. It has been in linux-next almost all week, and has resolved
the issues that were reported on lots of different systems that were
not the platform that the change was originally tested on (gotta love
SoC cores used in multiple devices from multiple vendors...)"
* tag 'usb-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
Revert "usb: dwc3: gadget: Use list_replace_init() before traversing lists"
Here are some small IIO driver fixes for reported problems for 5.14-rc6
(no staging driver fixes at the moment).
All of them resolve reported issues and have been in linux-next all week
with no reported problems. Full details are in the shortlog.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull IIO driver fixes from Greg KH:
"Here are some small IIO driver fixes for reported problems for
5.14-rc6 (no staging driver fixes at the moment).
All of them resolve reported issues and have been in linux-next all
week with no reported problems. Full details are in the shortlog"
* tag 'staging-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
iio: adc: Fix incorrect exit of for-loop
iio: humidity: hdc100x: Add margin to the conversion time
dt-bindings: iio: st: Remove wrong items length check
iio: accel: fxls8962af: fix i2c dependency
iio: adis: set GPIO reset pin direction
iio: adc: ti-ads7950: Ensure CS is deasserted after reading channels
iio: accel: fxls8962af: fix potential use of uninitialized symbol
Pull i2c fixes from Wolfram Sang:
"One driver bugfix, a documentation bugfix, and an "uninitialized data"
leak fix for the core"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
Documentation: i2c: add i2c-sysfs into index
i2c: dev: zero out array used for i2c reads from userspace
i2c: iproc: fix race between client unreg and tasklet
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Merge tag 'for-linus-5.14-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"A small cleanup patch and a fix of a rare race in the Xen evtchn
driver"
* tag 'for-linus-5.14-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/events: Fix race in set_evtchn_to_irq
xen/events: remove redundant initialization of variable irq
* A fix to avoid passing -mno-relax to compilers that don't support it.
* A comment fix.
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Merge tag 'riscv-for-linus-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- avoid passing -mno-relax to compilers that don't support it
- a comment fix
* tag 'riscv-for-linus-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Fix comment regarding kernel mapping overlapping with IS_ERR_VALUE
riscv: kexec: do not add '-mno-relax' flag if compiler doesn't support it
- fix to revert to the historic write behavior (Bart Van Assche)
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Merge tag 'configfs-5.14' of git://git.infradead.org/users/hch/configfs
Pull configfs fix from Christoph Hellwig:
- fix to revert to the historic write behavior (Bart Van Assche)
* tag 'configfs-5.14' of git://git.infradead.org/users/hch/configfs:
configfs: restore the kernel v5.13 text attribute write behavior
Merge misc fixes from Andrew Morton:
"7 patches.
Subsystems affected by this patch series: mm (kasan, mm/slub,
mm/madvise, and memcg), and lib"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
lib: use PFN_PHYS() in devmem_is_allowed()
mm/memcg: fix incorrect flushing of lruvec data in obj_stock
mm/madvise: report SIGBUS as -EFAULT for MADV_POPULATE_(READ|WRITE)
mm: slub: fix slub_debug disabling for list of slabs
slub: fix kmalloc_pagealloc_invalid_free unit test
kasan, slub: reset tag when printing address
kasan, kmemleak: reset tags when scanning block
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Merge tag '5.14-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Four CIFS/SMB3 Fixes, all for stable, two relating to deferred close,
and one for the 'modefromsid' mount option (when 'idsfromsid' not
specified)"
* tag '5.14-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Call close synchronously during unlink/rename/lease break.
cifs: Handle race conditions during rename
cifs: use the correct max-length for dentry_path_raw()
cifs: create sd context must be a multiple of 8
This Kselftest fixes update for Linux 5.14-rc6 consists of a single patch
to sgx test to fix Q1 and Q2 calculation.
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Merge tag 'linux-kselftest-fixes-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fix from Shuah Khan:
"A single patch to sgx test to fix Q1 and Q2 calculation"
* tag 'linux-kselftest-fixes-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/sgx: Fix Q1 and Q2 calculation in sigstruct.c
The physical address may exceed 32 bits on 32-bit systems with more than
32 bits of physcial address. Use PFN_PHYS() in devmem_is_allowed(), or
the physical address may overflow and be truncated.
We found this bug when mapping a high addresses through devmem tool,
when CONFIG_STRICT_DEVMEM is enabled on the ARM with ARM_LPAE and devmem
is used to map a high address that is not in the iomem address range, an
unexpected error indicating no permission is returned.
This bug was initially introduced from v2.6.37, and the function was
moved to lib in v5.11.
Link: https://lkml.kernel.org/r/20210731025057.78825-1-wangliang101@huawei.com
Fixes: 087aaffcdf ("ARM: implement CONFIG_STRICT_DEVMEM by disabling access to RAM via /dev/mem")
Fixes: 527701eda5 ("lib: Add a generic version of devmem_is_allowed()")
Signed-off-by: Liang Wang <wangliang101@huawei.com>
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Cc: Palmer Dabbelt <palmerdabbelt@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Liang Wang <wangliang101@huawei.com>
Cc: Xiaoming Ni <nixiaoming@huawei.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: <stable@vger.kernel.org> [2.6.37+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When mod_objcg_state() is called with a pgdat that is different from
that in the obj_stock, the old lruvec data cached in obj_stock are
flushed out. Unfortunately, they were flushed to the new pgdat and so
the data go to the wrong node. This will screw up the slab data
reported in /sys/devices/system/node/node*/meminfo.
Fix that by flushing the data to the cached pgdat instead.
Link: https://lkml.kernel.org/r/20210802143834.30578-1-longman@redhat.com
Fixes: 68ac5b3c8d ("mm/memcg: cache vmstat data in percpu memcg_stock_pcp")
Signed-off-by: Waiman Long <longman@redhat.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Roman Gushchin <guro@fb.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Chris Down <chris@chrisdown.name>
Cc: Yafang Shao <laoar.shao@gmail.com>
Cc: Wei Yang <richard.weiyang@gmail.com>
Cc: Masayoshi Mizuma <msys.mizuma@gmail.com>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Waiman Long <longman@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Doing some extended tests and polishing the man page update for
MADV_POPULATE_(READ|WRITE), I realized that we end up converting also
SIGBUS (via -EFAULT) to -EINVAL, making it look like yet another
madvise() user error.
We want to report only problematic mappings and permission problems that
the user could have know as -EINVAL.
Let's not convert -EFAULT arising due to SIGBUS (or SIGSEGV) to -EINVAL,
but instead indicate -EFAULT to user space. While we could also convert
it to -ENOMEM, using -EFAULT looks more helpful when user space might
want to troubleshoot what's going wrong: MADV_POPULATE_(READ|WRITE) is
not part of an final Linux release and we can still adjust the behavior.
Link: https://lkml.kernel.org/r/20210726154932.102880-1-david@redhat.com
Fixes: 4ca9b3859d ("mm/madvise: introduce MADV_POPULATE_(READ|WRITE) to prefault page tables")
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Jann Horn <jannh@google.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Chris Zankel <chris@zankel.net>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: Ram Pai <linuxram@us.ibm.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Vijayanand Jitta reports:
Consider the scenario where CONFIG_SLUB_DEBUG_ON is set and we would
want to disable slub_debug for few slabs. Using boot parameter with
slub_debug=-,slab_name syntax doesn't work as expected i.e; only
disabling debugging for the specified list of slabs. Instead it
disables debugging for all slabs, which is wrong.
This patch fixes it by delaying the moment when the global slub_debug
flags variable is updated. In case a "slub_debug=-,slab_name" has been
passed, the global flags remain as initialized (depending on
CONFIG_SLUB_DEBUG_ON enabled or disabled) and are not simply reset to 0.
Link: https://lkml.kernel.org/r/8a3d992a-473a-467b-28a0-4ad2ff60ab82@suse.cz
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Reported-by: Vijayanand Jitta <vjitta@codeaurora.org>
Reviewed-by: Vijayanand Jitta <vjitta@codeaurora.org>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Vinayak Menon <vinmenon@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The unit test kmalloc_pagealloc_invalid_free makes sure that for the
higher order slub allocation which goes to page allocator, the free is
called with the correct address i.e. the virtual address of the head
page.
Commit f227f0faf6 ("slub: fix unreclaimable slab stat for bulk free")
unified the free code paths for page allocator based slub allocations
but instead of using the address passed by the caller, it extracted the
address from the page. Thus making the unit test
kmalloc_pagealloc_invalid_free moot. So, fix this by using the address
passed by the caller.
Should we fix this? I think yes because dev expect kasan to catch these
type of programming bugs.
Link: https://lkml.kernel.org/r/20210802180819.1110165-1-shakeelb@google.com
Fixes: f227f0faf6 ("slub: fix unreclaimable slab stat for bulk free")
Signed-off-by: Shakeel Butt <shakeelb@google.com>
Reported-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Roman Gushchin <guro@fb.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The address still includes the tags when it is printed. With hardware
tag-based kasan enabled, we will get a false positive KASAN issue when
we access metadata.
Reset the tag before we access the metadata.
Link: https://lkml.kernel.org/r/20210804090957.12393-3-Kuan-Ying.Lee@mediatek.com
Fixes: aa1ef4d7b3 ("kasan, mm: reset tags when accessing metadata")
Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Reviewed-by: Marco Elver <elver@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chinwen Chang <chinwen.chang@mediatek.com>
Cc: Nicholas Tang <nicholas.tang@mediatek.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "kasan, slub: reset tag when printing address", v3.
With hardware tag-based kasan enabled, we reset the tag when we access
metadata to avoid from false alarm.
This patch (of 2):
Kmemleak needs to scan kernel memory to check memory leak. With hardware
tag-based kasan enabled, when it scans on the invalid slab and
dereference, the issue will occur as below.
Hardware tag-based KASAN doesn't use compiler instrumentation, we can not
use kasan_disable_current() to ignore tag check.
Based on the below report, there are 11 0xf7 granules, which amounts to
176 bytes, and the object is allocated from the kmalloc-256 cache. So
when kmemleak accesses the last 256-176 bytes, it causes faults, as those
are marked with KASAN_KMALLOC_REDZONE == KASAN_TAG_INVALID == 0xfe.
Thus, we reset tags before accessing metadata to avoid from false positives.
BUG: KASAN: out-of-bounds in scan_block+0x58/0x170
Read at addr f7ff0000c0074eb0 by task kmemleak/138
Pointer tag: [f7], memory tag: [fe]
CPU: 7 PID: 138 Comm: kmemleak Not tainted 5.14.0-rc2-00001-g8cae8cd89f05-dirty #134
Hardware name: linux,dummy-virt (DT)
Call trace:
dump_backtrace+0x0/0x1b0
show_stack+0x1c/0x30
dump_stack_lvl+0x68/0x84
print_address_description+0x7c/0x2b4
kasan_report+0x138/0x38c
__do_kernel_fault+0x190/0x1c4
do_tag_check_fault+0x78/0x90
do_mem_abort+0x44/0xb4
el1_abort+0x40/0x60
el1h_64_sync_handler+0xb4/0xd0
el1h_64_sync+0x78/0x7c
scan_block+0x58/0x170
scan_gray_list+0xdc/0x1a0
kmemleak_scan+0x2ac/0x560
kmemleak_scan_thread+0xb0/0xe0
kthread+0x154/0x160
ret_from_fork+0x10/0x18
Allocated by task 0:
kasan_save_stack+0x2c/0x60
__kasan_kmalloc+0xec/0x104
__kmalloc+0x224/0x3c4
__register_sysctl_paths+0x200/0x290
register_sysctl_table+0x2c/0x40
sysctl_init+0x20/0x34
proc_sys_init+0x3c/0x48
proc_root_init+0x80/0x9c
start_kernel+0x648/0x6a4
__primary_switched+0xc0/0xc8
Freed by task 0:
kasan_save_stack+0x2c/0x60
kasan_set_track+0x2c/0x40
kasan_set_free_info+0x44/0x54
____kasan_slab_free.constprop.0+0x150/0x1b0
__kasan_slab_free+0x14/0x20
slab_free_freelist_hook+0xa4/0x1fc
kfree+0x1e8/0x30c
put_fs_context+0x124/0x220
vfs_kern_mount.part.0+0x60/0xd4
kern_mount+0x24/0x4c
bdev_cache_init+0x70/0x9c
vfs_caches_init+0xdc/0xf4
start_kernel+0x638/0x6a4
__primary_switched+0xc0/0xc8
The buggy address belongs to the object at ffff0000c0074e00
which belongs to the cache kmalloc-256 of size 256
The buggy address is located 176 bytes inside of
256-byte region [ffff0000c0074e00, ffff0000c0074f00)
The buggy address belongs to the page:
page:(____ptrval____) refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x100074
head:(____ptrval____) order:2 compound_mapcount:0 compound_pincount:0
flags: 0xbfffc0000010200(slab|head|node=0|zone=2|lastcpupid=0xffff|kasantag=0x0)
raw: 0bfffc0000010200 0000000000000000 dead000000000122 f5ff0000c0002300
raw: 0000000000000000 0000000000200020 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff0000c0074c00: f0 f0 f0 f0 f0 f0 f0 f0 f0 fe fe fe fe fe fe fe
ffff0000c0074d00: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
>ffff0000c0074e00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 fe fe fe fe fe
^
ffff0000c0074f00: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
ffff0000c0075000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Disabling lock debugging due to kernel taint
kmemleak: 181 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
Link: https://lkml.kernel.org/r/20210804090957.12393-1-Kuan-Ying.Lee@mediatek.com
Link: https://lkml.kernel.org/r/20210804090957.12393-2-Kuan-Ying.Lee@mediatek.com
Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Marco Elver <elver@google.com>
Cc: Nicholas Tang <nicholas.tang@mediatek.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Chinwen Chang <chinwen.chang@mediatek.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'block-5.14-2021-08-13' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"A few fixes for block that should go into 5.14:
- Revert the mq-deadline cgroup addition. More work is needed on this
front, let's revert it for now and get it right before having it in
a released kernel (Tejun)
- blk-iocost lockdep fix (Ming)
- nbd double completion fix (Xie)
- Fix for non-idling when clearing the shared tag flag (Yu)"
* tag 'block-5.14-2021-08-13' of git://git.kernel.dk/linux-block:
nbd: Aovid double completion of a request
blk-mq: clear active_queues before clearing BLK_MQ_F_TAG_QUEUE_SHARED
Revert "block/mq-deadline: Add cgroup support"
blk-iocost: fix lockdep warning on blkcg->lock
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Merge tag 'io_uring-5.14-2021-08-13' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"A bit bigger than the previous weeks, but mostly just a few stable
bound fixes. In detail:
- Followup fixes to patches from last week for io-wq, turns out they
weren't complete (Hao)
- Two lockdep reported fixes out of the RT camp (me)
- Sync the io_uring-cp example with liburing, as a few bug fixes
never made it to the kernel carried version (me)
- SQPOLL related TIF_NOTIFY_SIGNAL fix (Nadav)
- Use WRITE_ONCE() when writing sq flags (Nadav)
- io_rsrc_put_work() deadlock fix (Pavel)"
* tag 'io_uring-5.14-2021-08-13' of git://git.kernel.dk/linux-block:
tools/io_uring/io_uring-cp: sync with liburing example
io_uring: fix ctx-exit io_rsrc_put_work() deadlock
io_uring: drop ctx->uring_lock before flushing work item
io-wq: fix IO_WORKER_F_FIXED issue in create_io_worker()
io-wq: fix bug of creating io-wokers unconditionally
io_uring: rsrc ref lock needs to be IRQ safe
io_uring: Use WRITE_ONCE() when writing to sq_flags
io_uring: clear TIF_NOTIFY_SIGNAL when running task work
- Fix the Kconfig dependency for Qualcomm SM8350 pin
controller.
- Fix pin biasing fallback behaviour on the Mediatek pin
controller.
- Fix the GPIO numbering scheme for Intel Tiger Lake-H
to correspond to the products that are now actually out
on the market.
- Fix a pin control function itemization in the Sunxi driver
out-of-bounds access bug.
- Fix disable clocking for the RISC-V K210 pin controller on
the errorpath.
- Fix a system shutdown bug affecting AMD Ryzen-based laptops,
the system would not suspend but just bounce back up.
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Merge tag 'pinctrl-v5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"An assortment of pin control fixes of varying importance, the most
important ones affecting Intel and AMD laptops turned up the recent
few days so it's time to push this to your tree.
- Fix the Kconfig dependency for Qualcomm SM8350 pin controller
- Fix pin biasing fallback behaviour on the Mediatek pin controller
- Fix the GPIO numbering scheme for Intel Tiger Lake-H to correspond
to the products that are now actually out on the market
- Fix a pin control function itemization in the Sunxi driver
out-of-bounds access bug
- Fix disable clocking for the RISC-V K210 pin controller on the
errorpath
- Fix a system shutdown bug affecting AMD Ryzen-based laptops, the
system would not suspend but just bounce back up"
* tag 'pinctrl-v5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: amd: Fix an issue with shutdown when system set to s0ix
pinctrl: k210: Fix k210_fpioa_probe()
pinctrl: sunxi: Don't underestimate number of functions
pinctrl: tigerlake: Fix GPIO mapping for newer version of software
pinctrl: mediatek: Fix fallback behavior for bias_set_combo
pinctrl: qcom: fix GPIOLIB dependencies
There is a race between iterating over requests in
nbd_clear_que() and completing requests in recv_work(),
which can lead to double completion of a request.
To fix it, flush the recv worker before iterating over
the requests and don't abort the completed request
while iterating.
Fixes: 96d97e1782 ("nbd: clear_sock on netlink disconnect")
Reported-by: Jiang Yadong <jiangyadong@bytedance.com>
Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Link: https://lore.kernel.org/r/20210813151330.96-1-xieyongji@bytedance.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This example is missing a few fixes that are in the liburing version,
synchronize with the upstream version.
Reported-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
