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For bare-metal SGX on real hardware, the hardware provides guarantees
SGX state at reboot. For instance, all pages start out uninitialized.
The vepc driver provides a similar guarantee today for freshly-opened
vepc instances, but guests such as Windows expect all pages to be in
uninitialized state on startup, including after every guest reboot.
Some userspace implementations of virtual SGX would rather avoid having
to close and reopen the /dev/sgx_vepc file descriptor and re-mmap the
virtual EPC. For example, they could sandbox themselves after the guest
starts and forbid further calls to open(), in order to mitigate exploits
from untrusted guests.
Therefore, add a ioctl that does this with EREMOVE. Userspace can
invoke the ioctl to bring its vEPC pages back to uninitialized state.
There is a possibility that some pages fail to be removed if they are
SECS pages, and the child and SECS pages could be in separate vEPC
regions. Therefore, the ioctl returns the number of EREMOVE failures,
telling userspace to try the ioctl again after it's done with all
vEPC regions. A more verbose description of the correct usage and
the possible error conditions is documented in sgx.rst.
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lkml.kernel.org/r/20211021201155.1523989-3-pbonzini@redhat.com
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For bare-metal SGX on real hardware, the hardware provides guarantees
SGX state at reboot. For instance, all pages start out uninitialized.
The vepc driver provides a similar guarantee today for freshly-opened
vepc instances, but guests such as Windows expect all pages to be in
uninitialized state on startup, including after every guest reboot.
One way to do this is to simply close and reopen the /dev/sgx_vepc file
descriptor and re-mmap the virtual EPC. However, this is problematic
because it prevents sandboxing the userspace (for example forbidding
open() after the guest starts; this is doable with heavy use of SCM_RIGHTS
file descriptor passing).
In order to implement this, we will need a ioctl that performs
EREMOVE on all pages mapped by a /dev/sgx_vepc file descriptor:
other possibilities, such as closing and reopening the device,
are racy.
Start the implementation by creating a separate function with just
the __eremove wrapper.
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lkml.kernel.org/r/20211021201155.1523989-2-pbonzini@redhat.com
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We should not reference the queue tagset in blk_mq_sched_tags_teardown()
(see function comment) for the blk-mq flags, so use the passed flags
instead.
This solves a use-after-free, similarly fixed earlier (and since broken
again) in commit f0c1c4d2864e ("blk-mq: fix use-after-free in
blk_mq_exit_sched").
Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Tested-by: Anders Roxell <anders.roxell@linaro.org>
Fixes: e155b0c238b2 ("blk-mq: Use shared tags for shared sbitmap support")
Signed-off-by: John Garry <john.garry@huawei.com>
Link: https://lore.kernel.org/r/1634890340-15432-1-git-send-email-john.garry@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Shinichiro Kawasaki reports that there is a bug in a recent
req_bio_endio() patch causing problems with zonefs. As Shinichiro
suggested, inverse the condition in zone append path to resemble how it
was before: fail when it's not fully completed.
Fixes: 478eb72b815f3 ("block: optimise req_bio_endio()")
Reported-by: Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/344ea4e334aace9148b41af5f2426da38c8aa65a.1634914228.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Get rid of the indirections and just provide a sync_bdevs
helper for the generic sync code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211019062530.2174626-8-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Use sync_blockdev_nowait instead of opencoding it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20211019062530.2174626-7-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Use sync_blockdev_nowait instead of opencoding it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20211019062530.2174626-6-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Use sync_blockdev instead of opencoding it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Acked-by: David Sterba <dsterba@suse.com>
Link: https://lore.kernel.org/r/20211019062530.2174626-5-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Use sync_blockdev instead of opencoding it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20211019062530.2174626-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Instead offer a new sync_blockdev_nowait helper for the !wait case.
This new helper is exported as it will grow modular callers in a bit.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211019062530.2174626-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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There is no clear benefit in having this helper vs just open coding it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20211019062530.2174626-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Support for cyrptoloop has been officially marked broken and deprecated
in favor of dm-crypt (which supports the same broken algorithms if
needed) in Linux 2.6.4 (released in March 2004), and support for it has
been entirely removed from losetup in util-linux 2.23 (released in April
2013). The XOR transfer has never been more than a toy to demonstrate
the transfer in the bad old times of crypto export restrictions.
Remove them as they have some nasty interactions with loop device life
times due to the iteration over all loop devices in
loop_unregister_transfer.
Suggested-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211019075639.2333969-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Export scsi_device_from_queue for use with pktcdvd and use that instead
of the otherwise unused QUEUE_FLAG_SCSI_PASSTHROUGH queue flag.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20211021060607.264371-8-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Entirely unused now.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20211021060607.264371-7-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add a new helper that calls blk_get_request and initializes the
scsi_request to avoid the indirect call through ->.initialize_rq_fn.
Note that this makes the pktcdvd driver depend on the SCSI core, but
given that only SCSI devices support SCSI passthrough requests that
is not a functional change.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20211021060607.264371-6-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Directly initialize the bsg_job structure instead of relying on the
->.initialize_rq_fn indirection. This also removes the superflous
initialization of the second request used for BIDI requests.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20211021060607.264371-5-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Call the ->get_unique_id method to query the SCSI identifiers. This can
use the cached VPD page in the sd driver instead of sending a command
on every LAYOUTGET. It will also allow to support NVMe based volumes
if the draft for that ever takes off.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: J. Bruce Fields <bfields@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20211021060607.264371-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add the method to query for a uniqueue ID of a given type by looking
it up in the cached device identification VPD page.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20211021060607.264371-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add a method to query unique IDs from block devices. It will be used to
remove code that deeply pokes into SCSI internals in the NFS server.
The implementation in the sd driver itself is also much nicer as it can
use the cached VPD page instead of always sending a command as the
current NFS code does.
For now the interface is kept very minimal but could be easily
extended when other users like a block-layer sysfs interface for
uniquue IDs shows up.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20211021060607.264371-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The PIO scratch buffer is larger than a single page, and therefore
it is not possible to copy it in a single step to vcpu->arch/pio_data.
Bound each call to emulator_pio_in/out to a single page; keep
track of how many I/O operations are left in vcpu->arch.sev_pio_count,
so that the operation can be restarted in the complete_userspace_io
callback.
For OUT, this means that the previous kvm_sev_es_outs implementation
becomes an iterator of the loop, and we can consume the sev_pio_data
buffer before leaving to userspace.
For IN, instead, consuming the buffer and decreasing sev_pio_count
is always done in the complete_userspace_io callback, because that
is when the memcpy is done into sev_pio_data.
Cc: stable@vger.kernel.org
Fixes: 7ed9abfe8e9f ("KVM: SVM: Support string IO operations for an SEV-ES guest")
Reported-by: Felix Wilhelm <fwilhelm@google.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Make the diff a little nicer when we actually get to fixing
the bug. No functional change intended.
Cc: stable@vger.kernel.org
Fixes: 7ed9abfe8e9f ("KVM: SVM: Support string IO operations for an SEV-ES guest")
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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complete_emulator_pio_in can expect that vcpu->arch.pio has been filled in,
and therefore does not need the size and count arguments. This makes things
nicer when the function is called directly from a complete_userspace_io
callback.
No functional change intended.
Cc: stable@vger.kernel.org
Fixes: 7ed9abfe8e9f ("KVM: SVM: Support string IO operations for an SEV-ES guest")
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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emulator_pio_in handles both the case where the data is pending in
vcpu->arch.pio.count, and the case where I/O has to be done via either
an in-kernel device or a userspace exit. For SEV-ES we would like
to split these, to identify clearly the moment at which the
sev_pio_data is consumed. To this end, create two different
functions: __emulator_pio_in fills in vcpu->arch.pio.count, while
complete_emulator_pio_in clears it and releases vcpu->arch.pio.data.
Because this patch has to be backported, things are left a bit messy.
kernel_pio() operates on vcpu->arch.pio, which leads to emulator_pio_in()
having with two calls to complete_emulator_pio_in(). It will be fixed
in the next release.
While at it, remove the unused void* val argument of emulator_pio_in_out.
The function currently hardcodes vcpu->arch.pio_data as the
source/destination buffer, which sucks but will be fixed after the more
severe SEV-ES buffer overflow.
No functional change intended.
Cc: stable@vger.kernel.org
Fixes: 7ed9abfe8e9f ("KVM: SVM: Support string IO operations for an SEV-ES guest")
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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A few very small cleanups to the functions, smushed together because
the patch is already very small like this:
- inline emulator_pio_in_emulated and emulator_pio_out_emulated,
since we already have the vCPU
- remove the data argument and pull setting vcpu->arch.sev_pio_data into
the caller
- remove unnecessary clearing of vcpu->arch.pio.count when
emulation is done by the kernel (and therefore vcpu->arch.pio.count
is already clear on exit from emulator_pio_in and emulator_pio_out).
No functional change intended.
Cc: stable@vger.kernel.org
Fixes: 7ed9abfe8e9f ("KVM: SVM: Support string IO operations for an SEV-ES guest")
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Currently emulator_pio_in clears vcpu->arch.pio.count twice if
emulator_pio_in_out performs kernel PIO. Move the clear into
emulator_pio_out where it is actually necessary.
No functional change intended.
Cc: stable@vger.kernel.org
Fixes: 7ed9abfe8e9f ("KVM: SVM: Support string IO operations for an SEV-ES guest")
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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We will be using this field for OUTS emulation as well, in case the
data that is pushed via OUTS spans more than one page. In that case,
there will be a need to save the data pointer across exits to userspace.
So, change the name to something that refers to any kind of PIO.
Also spell out what it is used for, namely SEV-ES.
No functional change intended.
Cc: stable@vger.kernel.org
Fixes: 7ed9abfe8e9f ("KVM: SVM: Support string IO operations for an SEV-ES guest")
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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After the removal of migrate_tasks(), there is no user of
rq_relock() left, so remove it.
Signed-off-by: Peng Wang <rocking@linux.alibaba.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/449948fdf9be4764b3929c52572917dd25eef758.1634611953.git.rocking@linux.alibaba.com
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As reported by syzbot and experienced by Pavel, using cpus_read_lock()
in wake_up_all_idle_cpus() generates lock inversion (against mmap_sem
and possibly others).
Instead, shrink the preempt disable region by iterating all CPUs and
checking the online status for each individual CPU while having
preemption disabled.
Fixes: 8850cb663b5c ("sched: Simplify wake_up_*idle*()")
Reported-by: syzbot+d5b23b18d2f4feae8a67@syzkaller.appspotmail.com
Reported-by: Pavel Machek <pavel@ucw.cz>
Reported-by: Qian Cai <quic_qiancai@quicinc.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Qian Cai <quic_qiancai@quicinc.com>
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This fixes the following warning:
vmlinux.o: warning: objtool: elf_update: invalid section entry size
The size of the rodata section is 164 bytes, directly using the
entry_size of 164 bytes will cause errors in some versions of the
gcc compiler, while using 16 bytes directly will cause errors in
the clang compiler. This patch correct it by filling the size of
rodata to a 16-byte boundary.
Fixes: a7ee22ee1445 ("crypto: x86/sm4 - add AES-NI/AVX/x86_64 implementation")
Fixes: 5b2efa2bb865 ("crypto: x86/sm4 - add AES-NI/AVX2/x86_64 implementation")
Reported-by: Peter Zijlstra <peterz@infradead.org>
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Tested-by: Heyuan Shi <heyuan@linux.alibaba.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The interrupt might be triggered after a reset since there is
no synchronization between resetting and irq injecting. And it
might break something if the interrupt is delayed until a new
round of device initialization.
Fixes: c8a6153b6c59 ("vduse: Introduce VDUSE - vDPA Device in Userspace")
Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Link: https://lore.kernel.org/r/20210929083050.88-1-xieyongji@bytedance.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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The interrupt callback should not be triggered before DRIVER_OK
is set. Otherwise, it might break the virtio device driver.
So let's add a check to avoid the unexpected behavior.
Fixes: c8a6153b6c59 ("vduse: Introduce VDUSE - vDPA Device in Userspace")
Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Link: https://lore.kernel.org/r/20210923075722.98-1-xieyongji@bytedance.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Now that everything is mopped up, move all the helpers and prototypes into
the core header. They are not required by the outside.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211014230739.514095101@linutronix.de
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I forgot to do this properly in
commit 6f11f37459d8f9f74ff1c299c0bedd50b458057a
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri Jul 23 10:34:55 2021 +0200
drm/plane: remove drm_helper_get_plane_damage_clips
intel-gfx CI didn't spot this because we run each selftest in each own
invocations, which means reloading i915.ko. But if you just run all
the selftests in one go at boot-up, then it falls apart and eventually
we cross over the hardcoded limited of how many properties can be
attached to a single object.
Fix this by resetting the property count. Nothing else to clean up
since it's all static storage anyway.
Reported-and-tested-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Fixes: 6f11f37459d8 ("drm/plane: remove drm_helper_get_plane_damage_clips")
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211021202048.2638668-1-daniel.vetter@ffwll.ch
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xfeatures_mask_fpstate() is no longer valid when dynamically enabled
features come into play.
Rework restore_regs_from_fpstate() so it takes a constant mask which will
then be applied against the maximum feature set so that the restore
operation brings all features which are not in the xsave buffer xfeature
bitmap into init state.
This ensures that if the previous task used a dynamically enabled feature
that the task which restores has all unused components properly initialized.
Cleanup the last user of xfeatures_mask_fpstate() as well and remove it.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211014230739.461348278@linutronix.de
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Use the new fpu_user_cfg to retrieve the information instead of
xfeatures_mask_uabi() which will be no longer correct when dynamically
enabled features become available.
Using fpu_user_cfg is appropriate when setting XCOMP_BV in the
init_fpstate since it has space allocated for "max_features". But,
normal fpstates might only have space for default xfeatures. Since
XRSTOR* derives the format of the XSAVE buffer from XCOMP_BV, this can
lead to XRSTOR reading out of bounds.
So when copying actively used fpstate, simply read the XCOMP_BV features
bits directly out of the fpstate instead.
This correction courtesy of Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211014230739.408879849@linutronix.de
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Pull drm fixes from Dave Airlie:
"Nothing too crazy at the end of the cycle, the kmb modesetting fixes
are probably a bit large but it's not a major driver, and its fixing
monitor doesn't turn on type problems.
Otherwise it's just a few minor patches, one ast regression revert, an
msm power stability fix.
ast:
- fix regression with connector detect
msm:
- fix power stability issue
msxfb:
- fix crash on unload
panel:
- sync fix
kmb:
- modesetting fixes"
* tag 'drm-fixes-2021-10-22' of git://anongit.freedesktop.org/drm/drm:
Revert "drm/ast: Add detect function support"
drm/kmb: Enable ADV bridge after modeset
drm/kmb: Corrected typo in handle_lcd_irq
drm/kmb: Disable change of plane parameters
drm/kmb: Remove clearing DPHY regs
drm/kmb: Limit supported mode to 1080p
drm/kmb: Work around for higher system clock
drm/panel: ilitek-ili9881c: Fix sync for Feixin K101-IM2BYL02 panel
drm: mxsfb: Fix NULL pointer dereference crash on unload
drm/msm/devfreq: Restrict idle clamping to a618 for now
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Vladimir Zapolskiy reports:
Commit a7259df76702 ("memblock: make memblock_find_in_range method
private") invokes a kernel panic while running kmemleak on OF platforms
with nomaped regions:
Unable to handle kernel paging request at virtual address fff000021e00000
[...]
scan_block+0x64/0x170
scan_gray_list+0xe8/0x17c
kmemleak_scan+0x270/0x514
kmemleak_write+0x34c/0x4ac
The memory allocated from memblock is registered with kmemleak, but if
it is marked MEMBLOCK_NOMAP it won't have linear map entries so an
attempt to scan such areas will fault.
Ideally, memblock_mark_nomap() would inform kmemleak to ignore
MEMBLOCK_NOMAP memory, but it can be called before kmemleak interfaces
operating on physical addresses can use __va() conversion.
Make sure that functions that mark allocated memory as MEMBLOCK_NOMAP
take care of informing kmemleak to ignore such memory.
Link: https://lore.kernel.org/all/8ade5174-b143-d621-8c8e-dc6a1898c6fb@linaro.org
Link: https://lore.kernel.org/all/c30ff0a2-d196-c50d-22f0-bd50696b1205@quicinc.com
Fixes: a7259df76702 ("memblock: make memblock_find_in_range method private")
Reported-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Tested-by: Qian Cai <quic_qiancai@quicinc.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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|
Commit 6e44bd6d34d6 ("memblock: exclude NOMAP regions from kmemleak")
breaks boot on EFI systems with kmemleak and VM_DEBUG enabled:
efi: Processing EFI memory map:
efi: 0x000090000000-0x000091ffffff [Conventional| | | | | | | | | | |WB|WT|WC|UC]
efi: 0x000092000000-0x0000928fffff [Runtime Data|RUN| | | | | | | | | |WB|WT|WC|UC]
------------[ cut here ]------------
kernel BUG at mm/kmemleak.c:1140!
Internal error: Oops - BUG: 0 [#1] SMP
Modules linked in:
CPU: 0 PID: 0 Comm: swapper Not tainted 5.15.0-rc6-next-20211019+ #104
pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : kmemleak_free_part_phys+0x64/0x8c
lr : kmemleak_free_part_phys+0x38/0x8c
sp : ffff800011eafbc0
x29: ffff800011eafbc0 x28: 1fffff7fffb41c0d x27: fffffbfffda0e068
x26: 0000000092000000 x25: 1ffff000023d5f94 x24: ffff800011ed84d0
x23: ffff800011ed84c0 x22: ffff800011ed83d8 x21: 0000000000900000
x20: ffff800011782000 x19: 0000000092000000 x18: ffff800011ee0730
x17: 0000000000000000 x16: 0000000000000000 x15: 1ffff0000233252c
x14: ffff800019a905a0 x13: 0000000000000001 x12: ffff7000023d5ed7
x11: 1ffff000023d5ed6 x10: ffff7000023d5ed6 x9 : dfff800000000000
x8 : ffff800011eaf6b7 x7 : 0000000000000001 x6 : ffff800011eaf6b0
x5 : 00008ffffdc2a12a x4 : ffff7000023d5ed7 x3 : 1ffff000023dbf99
x2 : 1ffff000022f0463 x1 : 0000000000000000 x0 : ffffffffffffffff
Call trace:
kmemleak_free_part_phys+0x64/0x8c
memblock_mark_nomap+0x5c/0x78
reserve_regions+0x294/0x33c
efi_init+0x2d0/0x490
setup_arch+0x80/0x138
start_kernel+0xa0/0x3ec
__primary_switched+0xc0/0xc8
Code: 34000041 97d526e7 f9418e80 36000040 (d4210000)
random: get_random_bytes called from print_oops_end_marker+0x34/0x80 with crng_init=0
---[ end trace 0000000000000000 ]---
The crash happens because kmemleak_free_part_phys() tries to use __va()
before memstart_addr is initialized and this triggers a VM_BUG_ON() in
arch/arm64/include/asm/memory.h:
Revert 6e44bd6d34d6 ("memblock: exclude NOMAP regions from kmemleak"),
the issue it is fixing will be fixed differently.
Reported-by: Qian Cai <quic_qiancai@quicinc.com>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull ucounts fixes from Eric Biederman:
"There has been one very hard to track down bug in the ucount code that
we have been tracking since roughly v5.14 was released. Alex managed
to find a reliable reproducer a few days ago and then I was able to
instrument the code and figure out what the issue was.
It turns out the sigqueue_alloc single atomic operation optimization
did not play nicely with ucounts multiple level rlimits. It turned out
that either sigqueue_alloc or sigqueue_free could be operating on
multiple levels and trigger the conditions for the optimization on
more than one level at the same time.
To deal with that situation I have introduced inc_rlimit_get_ucounts
and dec_rlimit_put_ucounts that just focuses on the optimization and
the rlimit and ucount changes.
While looking into the big bug I found I couple of other little issues
so I am including those fixes here as well.
When I have time I would very much like to dig into process ownership
of the shared signal queue and see if we could pick a single owner for
the entire queue so that all of the rlimits can count to that owner.
That should entirely remove the need to call get_ucounts and
put_ucounts in sigqueue_alloc and sigqueue_free. It is difficult
because Linux unlike POSIX supports setuid that works on a single
thread"
* 'ucount-fixes-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
ucounts: Move get_ucounts from cred_alloc_blank to key_change_session_keyring
ucounts: Proper error handling in set_cred_ucounts
ucounts: Pair inc_rlimit_ucounts with dec_rlimit_ucoutns in commit_creds
ucounts: Fix signal ucount refcounting
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter, and can.
We'll have one more fix for a socket accounting regression, it's still
getting polished. Otherwise things look fine.
Current release - regressions:
- revert "vrf: reset skb conntrack connection on VRF rcv", there are
valid uses for previous behavior
- can: m_can: fix iomap_read_fifo() and iomap_write_fifo()
Current release - new code bugs:
- mlx5: e-switch, return correct error code on group creation failure
Previous releases - regressions:
- sctp: fix transport encap_port update in sctp_vtag_verify
- stmmac: fix E2E delay mechanism (in PTP timestamping)
Previous releases - always broken:
- netfilter: ip6t_rt: fix out-of-bounds read of ipv6_rt_hdr
- netfilter: xt_IDLETIMER: fix out-of-bound read caused by lack of
init
- netfilter: ipvs: make global sysctl read-only in non-init netns
- tcp: md5: fix selection between vrf and non-vrf keys
- ipv6: count rx stats on the orig netdev when forwarding
- bridge: mcast: use multicast_membership_interval for IGMPv3
- can:
- j1939: fix UAF for rx_kref of j1939_priv abort sessions on
receiving bad messages
- isotp: fix TX buffer concurrent access in isotp_sendmsg() fix
return error on FC timeout on TX path
- ice: fix re-init of RDMA Tx queues and crash if RDMA was not inited
- hns3: schedule the polling again when allocation fails, prevent
stalls
- drivers: add missing of_node_put() when aborting
for_each_available_child_of_node()
- ptp: fix possible memory leak and UAF in ptp_clock_register()
- e1000e: fix packet loss in burst mode on Tiger Lake and later
- mlx5e: ipsec: fix more checksum offload issues"
* tag 'net-5.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (75 commits)
usbnet: sanity check for maxpacket
net: enetc: make sure all traffic classes can send large frames
net: enetc: fix ethtool counter name for PM0_TERR
ptp: free 'vclock_index' in ptp_clock_release()
sfc: Don't use netif_info before net_device setup
sfc: Export fibre-specific supported link modes
net/mlx5e: IPsec: Fix work queue entry ethernet segment checksum flags
net/mlx5e: IPsec: Fix a misuse of the software parser's fields
net/mlx5e: Fix vlan data lost during suspend flow
net/mlx5: E-switch, Return correct error code on group creation failure
net/mlx5: Lag, change multipath and bonding to be mutually exclusive
ice: Add missing E810 device ids
igc: Update I226_K device ID
e1000e: Fix packet loss on Tiger Lake and later
e1000e: Separate TGP board type from SPT
ptp: Fix possible memory leak in ptp_clock_register()
net: stmmac: Fix E2E delay mechanism
nfc: st95hf: Make spi remove() callback return zero
net: hns3: disable sriov before unload hclge layer
net: hns3: fix vf reset workqueue cannot exit
...
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix a bug exposed by a previous fix, where running guests with
certain SMT topologies could crash the host on Power8.
- Fix atomic sleep warnings when re-onlining CPUs, when PREEMPT is
enabled.
Thanks to Nathan Lynch, Srikar Dronamraju, and Valentin Schneider.
* tag 'powerpc-5.15-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/smp: do not decrement idle task preempt count in CPU offline
powerpc/idle: Don't corrupt back chain when going idle
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Hayashi <hayashi.kunihiko@socionext.com>:
This series includes the patches to add basic support for new UniPhier NX1
SoC. NX1 SoC also has the same kinds of controls as the other UniPhier
SoCs.
Kunihiko Hayashi (2):
dt-bindings: regulator: uniphier: Add binding for NX1 SoC
regulator: uniphier: Add USB-VBUS compatible string for NX1 SoC
.../devicetree/bindings/regulator/socionext,uniphier-regulator.yaml | 1 +
drivers/regulator/uniphier-regulator.c | 4 ++++
2 files changed, 5 insertions(+)
--
2.7.4
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This series adds basic support for the recently announced Fairphone 4
smartphone, based on the Snapdragon 750G (sm7225).
This adds support for UART, power & volume buttons, screen based on
simple-framebuffer, regulators and USB.
v2 fixes some stylistic problems in dts and corrects the situation with
pm6350 regulator supplies.
Luca Weiss (11):
clk: qcom: add select QCOM_GDSC for SM6350
dt-bindings: regulator: qcom,rpmh: Add compatible for PM6350
regulator: qcom-rpmh: Add PM6350 regulators
dt-bindings: pinctrl: qcom,pmic-gpio: Add compatible for PM6350
pinctrl: qcom: spmi-gpio: Add compatible for PM6350
arm64: dts: qcom: Add PM6350 PMIC
arm64: dts: qcom: sm6350: add debug uart
dt-bindings: arm: cpus: Add Kryo 570 CPUs
dt-bindings: arm: qcom: Document sm7225 and fairphone,fp4 board
arm64: dts: qcom: Add SM7225 device tree
arm64: dts: qcom: sm7225: Add device tree for Fairphone 4
.../devicetree/bindings/arm/cpus.yaml | 1 +
.../devicetree/bindings/arm/qcom.yaml | 6 +
.../bindings/pinctrl/qcom,pmic-gpio.yaml | 2 +
.../regulator/qcom,rpmh-regulator.yaml | 2 +
arch/arm64/boot/dts/qcom/Makefile | 1 +
arch/arm64/boot/dts/qcom/pm6350.dtsi | 54 +++
arch/arm64/boot/dts/qcom/sm6350.dtsi | 31 ++
.../boot/dts/qcom/sm7225-fairphone-fp4.dts | 320 ++++++++++++++++++
arch/arm64/boot/dts/qcom/sm7225.dtsi | 16 +
drivers/clk/qcom/Kconfig | 1 +
drivers/pinctrl/qcom/pinctrl-spmi-gpio.c | 1 +
drivers/regulator/qcom-rpmh-regulator.c | 32 ++
12 files changed, 467 insertions(+)
create mode 100644 arch/arm64/boot/dts/qcom/pm6350.dtsi
create mode 100644 arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts
create mode 100644 arch/arm64/boot/dts/qcom/sm7225.dtsi
--
2.33.0
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|
<alistair@alistair23.me>:
v13:
- Address comments on thermal driver
- Rebase on master (without other patches)
v12:
- Rebase
v11:
- Address comments on hwmon
- Improve "mfd: simple-mfd-i2c: Add a Kconfig name" commit message
v10:
- Use dev_get_regmap() instead of dev_get_drvdata()
v9:
- Convert to use the simple-mfd-i2c instead
Alistair Francis (9):
dt-bindings: mfd: Initial commit of silergy,sy7636a.yaml
mfd: simple-mfd-i2c: Add a Kconfig name
mfd: simple-mfd-i2c: Enable support for the silergy,sy7636a
regulator: sy7636a: Remove requirement on sy7636a mfd
thermal: sy7636a: Add thermal driver for sy7636a
hwmon: sy7636a: Add temperature driver for sy7636a
ARM: imx_v6_v7_defconfig: Enable silergy,sy7636a
ARM: dts: imx7d: remarkable2: Enable silergy,sy7636a
ARM: dts: imx7d: remarkable2: Enable lcdif
.../bindings/mfd/silergy,sy7636a.yaml | 79 ++++++++++
Documentation/hwmon/sy7636a-hwmon.rst | 24 ++++
arch/arm/boot/dts/imx7d-remarkable2.dts | 136 ++++++++++++++++++
arch/arm/configs/imx_v6_v7_defconfig | 4 +
drivers/hwmon/Kconfig | 9 ++
drivers/hwmon/Makefile | 1 +
drivers/hwmon/sy7636a-hwmon.c | 75 ++++++++++
drivers/mfd/Kconfig | 2 +-
drivers/mfd/simple-mfd-i2c.c | 12 ++
drivers/regulator/Kconfig | 1 -
drivers/regulator/sy7636a-regulator.c | 2 +-
drivers/thermal/Kconfig | 6 +
drivers/thermal/Makefile | 1 +
drivers/thermal/sy7636a_thermal.c | 94 ++++++++++++
include/linux/mfd/sy7636a.h | 41 ++++++
15 files changed, 484 insertions(+), 3 deletions(-)
create mode 100644 Documentation/devicetree/bindings/mfd/silergy,sy7636a.yaml
create mode 100644 Documentation/hwmon/sy7636a-hwmon.rst
create mode 100644 drivers/hwmon/sy7636a-hwmon.c
create mode 100644 drivers/thermal/sy7636a_thermal.c
create mode 100644 include/linux/mfd/sy7636a.h
--
2.31.1
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|
When setting the fan speed, i8k_set_fan() calls i8k_get_fan_status(),
causing an unnecessary SMM call since from the two users of this
function, only i8k_ioctl_unlocked() needs to know the new fan status
while dell_smm_write() ignores the new fan status.
Since SMM calls can be very slow while also making error reporting
difficult for dell_smm_write(), remove the function call from
i8k_set_fan() and call it separately in i8k_ioctl_unlocked().
Tested on a Dell Inspiron 3505.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20211021190531.17379-6-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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|
i8k_config_data[] should only be used for applying device specific
quirks in case autoconfig does not work properly on certain
devices.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20211021190531.17379-5-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
|
|
Returning -ENOIOCTLCMD gives the callers a better
hint of what went wrong and is the recommended
behavior.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Acked-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20211021190531.17379-4-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
|
|
Using strscpy_pad() allows for fewer memory accesses
since memset() will not unconditionally zero-out
the whole buffer.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Acked-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20211021190531.17379-3-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
|
|
Sort includes for better overview.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Acked-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20211021190531.17379-2-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
|
|
This reverts commit aae74ff9caa8de9a45ae2e46068c417817392a26,
since it prevents my AMD Milan system from booting, with:
[ 27.189558] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 27.197506] #PF: supervisor write access in kernel mode
[ 27.203333] #PF: error_code(0x0002) - not-present page
[ 27.209064] PGD 0 P4D 0
[ 27.211885] Oops: 0002 [#1] PREEMPT SMP NOPTI
[ 27.216744] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.15.0-rc6+ #15
[ 27.223928] Hardware name: AMD Corporation ETHANOL_X/ETHANOL_X, BIOS RXM1006B 08/20/2021
[ 27.232955] RIP: 0010:run_timer_softirq+0x38b/0x4a0
[ 27.238397] Code: 4c 89 f7 e8 37 27 ac 00 49 c7 46 08 00 00 00 00 49 8b 04 24 48 85 c0 74 71 4d 8b 3c 24 4d 89 7e 08 66 90 49 8b 07 49 8b 57 08 <48> 89 02 48 85 c0 74 04 48 89 50 08 49 8b 77 18 41 f6 47 22 20 4c
[ 27.259350] RSP: 0018:ffffc42d00003ee8 EFLAGS: 00010086
[ 27.265176] RAX: dead000000000122 RBX: 0000000000000000 RCX: 0000000000000101
[ 27.273134] RDX: 0000000000000000 RSI: 0000000000000087 RDI: 0000000000000001
[ 27.281084] RBP: ffffc42d00003f70 R08: 0000000000000000 R09: 00000000000003eb
[ 27.289043] R10: ffffa0860cb300d0 R11: ffffa0c44de290b0 R12: ffffc42d00003ef8
[ 27.297002] R13: 00000000fffef200 R14: ffffa0c44de18dc0 R15: ffffa0867a882350
[ 27.304961] FS: 0000000000000000(0000) GS:ffffa0c44de00000(0000) knlGS:0000000000000000
[ 27.313988] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 27.320396] CR2: 0000000000000000 CR3: 000000014569c001 CR4: 0000000000770ef0
[ 27.328346] PKRU: 55555554
[ 27.331359] Call Trace:
[ 27.334073] <IRQ>
[ 27.336314] ? __queue_work+0x420/0x420
[ 27.340589] ? lapic_next_event+0x21/0x30
[ 27.345060] ? clockevents_program_event+0x8f/0xe0
[ 27.350402] __do_softirq+0xfb/0x2db
[ 27.354388] irq_exit_rcu+0x98/0xd0
[ 27.358275] sysvec_apic_timer_interrupt+0xac/0xd0
[ 27.363620] </IRQ>
[ 27.365955] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 27.371685] RIP: 0010:cpuidle_enter_state+0xcc/0x390
[ 27.377292] Code: 3d 01 79 0a 50 e8 44 ed 77 ff 49 89 c6 0f 1f 44 00 00 31 ff e8 f5 f8 77 ff 80 7d d7 00 0f 85 e6 01 00 00 fb 66 0f 1f 44 00 00 <45> 85 ff 0f 88 17 01 00 00 49 63 c7 4c 2b 75 c8 48 8d 14 40 48 8d
[ 27.398243] RSP: 0018:ffffffffb0e03dc8 EFLAGS: 00000246
[ 27.404069] RAX: ffffa0c44de00000 RBX: 0000000000000001 RCX: 000000000000001f
[ 27.412028] RDX: 0000000000000000 RSI: ffffffffb0bafc1f RDI: ffffffffb0bbdb81
[ 27.419986] RBP: ffffffffb0e03e00 R08: 00000006549f8f3f R09: ffffffffb1065200
[ 27.427935] R10: ffffa0c44de27ae4 R11: ffffa0c44de27ac4 R12: ffffa0c5634cb000
[ 27.435894] R13: ffffffffb1065200 R14: 00000006549f8f3f R15: 0000000000000001
[ 27.443854] ? cpuidle_enter_state+0xbb/0x390
[ 27.448712] cpuidle_enter+0x2e/0x40
[ 27.452695] call_cpuidle+0x23/0x40
[ 27.456584] do_idle+0x1f0/0x270
[ 27.460181] cpu_startup_entry+0x20/0x30
[ 27.464553] rest_init+0xd4/0xe0
[ 27.468149] arch_call_rest_init+0xe/0x1b
[ 27.472619] start_kernel+0x6bc/0x6e2
[ 27.476764] x86_64_start_reservations+0x24/0x26
[ 27.481912] x86_64_start_kernel+0x75/0x79
[ 27.486477] secondary_startup_64_no_verify+0xb0/0xbb
[ 27.492111] Modules linked in: kvm_amd(+) kvm ipmi_si(+) ipmi_devintf rapl wmi_bmof ipmi_msghandler input_leds ccp k10temp mac_hid sch_fq_codel msr ip_tables x_tables autofs4 btrfs blake2b_generic zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear ast i2c_algo_bit drm_vram_helper drm_ttm_helper ttm drm_kms_helper crct10dif_pclmul crc32_pclmul ghash_clmulni_intel syscopyarea aesni_intel sysfillrect crypto_simd sysimgblt fb_sys_fops cryptd hid_generic cec nvme ahci usbhid drm e1000e nvme_core hid libahci i2c_piix4 wmi
[ 27.551789] CR2: 0000000000000000
[ 27.555482] ---[ end trace 897987dfe93dccc6 ]---
[ 27.560630] RIP: 0010:run_timer_softirq+0x38b/0x4a0
[ 27.566069] Code: 4c 89 f7 e8 37 27 ac 00 49 c7 46 08 00 00 00 00 49 8b 04 24 48 85 c0 74 71 4d 8b 3c 24 4d 89 7e 08 66 90 49 8b 07 49 8b 57 08 <48> 89 02 48 85 c0 74 04 48 89 50 08 49 8b 77 18 41 f6 47 22 20 4c
[ 27.587021] RSP: 0018:ffffc42d00003ee8 EFLAGS: 00010086
[ 27.592848] RAX: dead000000000122 RBX: 0000000000000000 RCX: 0000000000000101
[ 27.600808] RDX: 0000000000000000 RSI: 0000000000000087 RDI: 0000000000000001
[ 27.608765] RBP: ffffc42d00003f70 R08: 0000000000000000 R09: 00000000000003eb
[ 27.616716] R10: ffffa0860cb300d0 R11: ffffa0c44de290b0 R12: ffffc42d00003ef8
[ 27.624673] R13: 00000000fffef200 R14: ffffa0c44de18dc0 R15: ffffa0867a882350
[ 27.632624] FS: 0000000000000000(0000) GS:ffffa0c44de00000(0000) knlGS:0000000000000000
[ 27.641650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 27.648159] CR2: 0000000000000000 CR3: 000000014569c001 CR4: 0000000000770ef0
[ 27.656119] PKRU: 55555554
[ 27.659133] Kernel panic - not syncing: Fatal exception in interrupt
[ 29.030411] Shutting down cpus with NMI
[ 29.034699] Kernel Offset: 0x2e600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 29.046790] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---
Since unreliable, found by bisecting for KASAN's use-after-free in
enqueue_timer+0x4f/0x1e0, where the timer callback is called.
Reported-by: Kim Phillips <kim.phillips@amd.com>
Signed-off-by: Kim Phillips <kim.phillips@amd.com>
Fixes: aae74ff9caa8 ("drm/ast: Add detect function support")
Link: https://lore.kernel.org/lkml/0f7871be-9ca6-5ae4-3a40-5db9a8fb2365@amd.com/
Cc: Ainux <ainux.wang@gmail.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@redhat.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: sterlingteng@gmail.com
Cc: chenhuacai@kernel.org
Cc: Chuck Lever III <chuck.lever@oracle.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Borislav Petkov <bp@suse.de>
Cc: Jon Grimm <jon.grimm@amd.com>
Cc: dri-devel <dri-devel@lists.freedesktop.org>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211021153006.92983-1-kim.phillips@amd.com
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