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Linux kernel bugs found with syzkaller fuzzer and reported automatically by syzbot.

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Oct 21

[syzbot] [fs?] UBSAN: shift-out-of-bounds in ufs_fill_super

Auto-closing this bug as obsolete. Crashes did not happen for a while, no reproducer and no activity.

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[syzbot] [fs?] UBSAN: shift-out-of-bounds in ufs_fill_super

Auto-closing this bug as obsolete. Crashes did not happen for a while, no reproducer and no activity.

Oct 21

Oct 21

[syzbot] [mm?] KCSAN: data-race in _copy_to_iter / _copy_to_iter (3)

Hello, syzbot found the following issue on: HEAD commit: a804c5742bff Merge tag 'lsm-pr-20261016

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[syzbot] [mm?] KCSAN: data-race in _copy_to_iter / _copy_to_iter (3)

Hello, syzbot found the following issue on: HEAD commit: a804c5742bff Merge tag 'lsm-pr-20261016

Oct 21

Oct 21

[syzbot] [media?] [usb?] kernel BUG in v4l2_device_put

Hello, syzbot found the following issue on: HEAD commit: 8f7df005a756 Add linux-next specific files

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[syzbot] [media?] [usb?] kernel BUG in v4l2_device_put

Hello, syzbot found the following issue on: HEAD commit: 8f7df005a756 Add linux-next specific files

Oct 21

Greg KH, … kernel test robot7

Oct 21

Re: [PATCH] usb-storage: option_ms: bound probe-time bulk transfers

Hi Lee, kernel test robot noticed the following build errors: [auto build test ERROR on usb/usb-

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Re: [PATCH] usb-storage: option_ms: bound probe-time bulk transfers

Hi Lee, kernel test robot noticed the following build errors: [auto build test ERROR on usb/usb-

Oct 21

Oct 21

[syzbot] [usb?] general protection fault in count_matching_names (2)

Auto-closing this bug as obsolete. No recent activity, existing reproducers are no longer triggering

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[syzbot] [usb?] general protection fault in count_matching_names (2)

Auto-closing this bug as obsolete. No recent activity, existing reproducers are no longer triggering

Oct 21

Oct 21

[syzbot] [btrfs?] WARNING in btrfs_put_transaction (6)

Hello, syzbot found the following issue on: HEAD commit: 58161ead29e5 Merge tag 'drm-fixes-2026-

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[syzbot] [btrfs?] WARNING in btrfs_put_transaction (6)

Hello, syzbot found the following issue on: HEAD commit: 58161ead29e5 Merge tag 'drm-fixes-2026-

Oct 21

syzbot, … Andi Shyti3

Oct 21

[syzbot] [usb?] WARNING in ec168_ctrl_msg/usb_submit_urb

Hi, On Sun, Oct 18, 2026 at 12:30:24PM -0400, Alan Stern wrote: > On Sun, Oct 18, 2026 at 09:18:

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[syzbot] [usb?] WARNING in ec168_ctrl_msg/usb_submit_urb

Hi, On Sun, Oct 18, 2026 at 12:30:24PM -0400, Alan Stern wrote: > On Sun, Oct 18, 2026 at 09:18:

Oct 21

Paolo Bertinetti, … Jens Axboe4

Oct 21

[PATCH] ublk: hold RCU read lock in ublk_try_buf_match()

Hi Jens, Gentle ping on this one, Ming has reviewed it. Could you pick it up? Thanks, Paolo

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[PATCH] ublk: hold RCU read lock in ublk_try_buf_match()

Hi Jens, Gentle ping on this one, Ming has reviewed it. Could you pick it up? Thanks, Paolo

Oct 21

syzbot, Eklavya Singh2

Oct 21

Re: [syzbot] [ocfs2?] KASAN: null-ptr-deref Write in fput

#syz test: https://github.com/eklavya072/linux.git ocfs2-hb-dev-race-v2

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Re: [syzbot] [ocfs2?] KASAN: null-ptr-deref Write in fput

#syz test: https://github.com/eklavya072/linux.git ocfs2-hb-dev-race-v2

Oct 21

syzbot, … Jeremy Dean Clifton11

Oct 21

[syzbot] [bluetooth?] WARNING in hci_connect_sco

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master --- a/include/net/

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[syzbot] [bluetooth?] WARNING in hci_connect_sco

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master --- a/include/net/

Oct 21

syzbot, … Mingbing Zhai4

Oct 21

[syzbot] [virt?] INFO: trying to register non-static key in stats_request (2)

Since c578123e63da ("virtio_balloon: Treat stats requests as wakeup events") the

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[syzbot] [virt?] INFO: trying to register non-static key in stats_request (2)

Since c578123e63da ("virtio_balloon: Treat stats requests as wakeup events") the

Oct 21

syzbot, … Nhật Anh Nguyễn Duy26

Oct 21

[syzbot] [nvme?] BUG: corrupted list in nvmet_fc_remove_port

On Sat, Oct 17, 2026 at 9:09 AM Hillf Danton <hda...@sina.com> wrote: > > > Date: Sun

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[syzbot] [nvme?] BUG: corrupted list in nvmet_fc_remove_port

On Sat, Oct 17, 2026 at 9:09 AM Hillf Danton <hda...@sina.com> wrote: > > > Date: Sun

Oct 21

David Hildenbrand (Arm), Mingbing Zhai3

Oct 21

Re: [PATCH v2] virtio_balloon: drain update works on probe error paths

init_vqs() arms the stats virtqueue callback, so an update work can already be queued on the system

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Re: [PATCH v2] virtio_balloon: drain update works on probe error paths

init_vqs() arms the stats virtqueue callback, so an update work can already be queued on the system

Oct 21

syzbot, … Barry Song4

Oct 21

[syzbot] [mm?] WARNING in shrink_one

On Tue, Oct 20, 2026 at 7:46 AM Andrew Morton <ak...@linux-foundation.org> wrote: > > On

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[syzbot] [mm?] WARNING in shrink_one

On Tue, Oct 20, 2026 at 7:46 AM Andrew Morton <ak...@linux-foundation.org> wrote: > > On

Oct 21

Alan Stern, Andi Shyti2

Oct 21

Re: [PATCH] media: dvb-usb-v2: ec168: Reject zero-length I2C reads

ec168_i2c_xfer() checks the length of the register-address message in a combined demodulator read,

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Re: [PATCH] media: dvb-usb-v2: ec168: Reject zero-length I2C reads

ec168_i2c_xfer() checks the length of the register-address message in a combined demodulator read,

Oct 21

syzbot, Matheus Alves de Almeida2

Oct 21

Re: [syzbot] test patch for general protection fault in input_ff_flush

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Re: [syzbot] test patch for general protection fault in input_ff_flush

Oct 21

syzbot, Mehmet Fide2

Oct 21

[PATCH] usb: gadget: u_serial: pin ports while TTYs are installed

Hi Krystian, I sent a narrower fix for the same problem [1]. This patch also covers the two holes

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[PATCH] usb: gadget: u_serial: pin ports while TTYs are installed

Hi Krystian, I sent a narrower fix for the same problem [1]. This patch also covers the two holes

Oct 21

Oct 21

Re: [syzbot] [wireless?] KASAN: slab-use-after-free Read in tasklet_action_common

Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by

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Re: [syzbot] [wireless?] KASAN: slab-use-after-free Read in tasklet_action_common

Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by

Oct 21

Oct 21

[syzbot] Monthly pm report (Oct 2026)

Hello pm maintainers/developers, This is a 31-day syzbot report for the pm subsystem. All related

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[syzbot] Monthly pm report (Oct 2026)

Hello pm maintainers/developers, This is a 31-day syzbot report for the pm subsystem. All related

Oct 21

Oct 21

[syzbot] [wireless?] KASAN: slab-use-after-free Read in tasklet_action_common

For archival purposes, forwarding an incoming command email to linux-...@vger.kernel.org,

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[syzbot] [wireless?] KASAN: slab-use-after-free Read in tasklet_action_common

For archival purposes, forwarding an incoming command email to linux-...@vger.kernel.org,

Oct 21

syzbot ci, Jarkko Sakkinen2

Oct 21

[syzbot ci] Re: KEYS: Return user session keyring on lookup

On Wed, Oct 21, 2026 at 01:20:06AM -0700, syzbot ci wrote: > syzbot ci has tested the following

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[syzbot ci] Re: KEYS: Return user session keyring on lookup

On Wed, Oct 21, 2026 at 01:20:06AM -0700, syzbot ci wrote: > syzbot ci has tested the following

Oct 21

Oct 21

[syzbot] [ocfs2?] possible deadlock in ocfs2_remove_inode (2)

Auto-closing this bug as obsolete. No recent activity, existing reproducers are no longer triggering

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[syzbot] [ocfs2?] possible deadlock in ocfs2_remove_inode (2)

Auto-closing this bug as obsolete. No recent activity, existing reproducers are no longer triggering

Oct 21

Oct 21

[syzbot] [pm?] BUG: scheduling while atomic in trace_suspend_resume

Hello, syzbot found the following issue on: HEAD commit: 4a8bdffce502 Merge tag 'x86_tdx_for_7.4-

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[syzbot] [pm?] BUG: scheduling while atomic in trace_suspend_resume

Hello, syzbot found the following issue on: HEAD commit: 4a8bdffce502 Merge tag 'x86_tdx_for_7.4-

Oct 21

syzbot, Edward Adam Davis6

Oct 21

[syzbot] kernel BUG in create_default_group...

Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: kernel

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[syzbot] kernel BUG in create_default_group...

Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: kernel

Oct 21

syzbot ci, … Zhang Yi4

Oct 21

[syzbot ci] Re: ext4: use iomap for regular file's buffered I/O path

On 10/21/2026 4:03 PM, Ojaswin Mujoo wrote: > On Sat, Oct 10, 2026 at 04:44:52PM +0800, Zhang Yi

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[syzbot ci] Re: ext4: use iomap for regular file's buffered I/O path

On 10/21/2026 4:03 PM, Ojaswin Mujoo wrote: > On Sat, Oct 10, 2026 at 04:44:52PM +0800, Zhang Yi

Oct 21

Oct 21

[syzbot] [kernel?] WARNING: still has locks held in genl_rcv

Auto-closing this bug as obsolete. Crashes did not happen for a while, no reproducer and no activity.

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[syzbot] [kernel?] WARNING: still has locks held in genl_rcv

Auto-closing this bug as obsolete. Crashes did not happen for a while, no reproducer and no activity.

Oct 21

Oct 21

[syzbot] [media?] general protection fault in mxl111sf_get_stream_config_atsc_mh

Hello, syzbot found the following issue on: HEAD commit: c03c1a14507d Linux 7.3 git tree: git://git.

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[syzbot] [media?] general protection fault in mxl111sf_get_stream_config_atsc_mh

Hello, syzbot found the following issue on: HEAD commit: c03c1a14507d Linux 7.3 git tree: git://git.

Oct 21

Oct 20

[syzbot] [net?] possible deadlock in __netdev_update_features (3)

syzbot has found a reproducer for the following issue on: HEAD commit: 7a19f0cc94ad Merge branch

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[syzbot] [net?] possible deadlock in __netdev_update_features (3)

syzbot has found a reproducer for the following issue on: HEAD commit: 7a19f0cc94ad Merge branch

Oct 20

Oct 20

[syzbot] [mtd?] Internal error in mtd_read_oob_std

Hello, syzbot found the following issue on: HEAD commit: 2f2f7eeef8b0 Merge tag 'soc-fixes-7.3-3

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[syzbot] [mtd?] Internal error in mtd_read_oob_std

Hello, syzbot found the following issue on: HEAD commit: 2f2f7eeef8b0 Merge tag 'soc-fixes-7.3-3

Oct 20

Oct 20

[syzbot] [block?] possible deadlock in blkdev_buffered_write

Hello, syzbot found the following issue on: HEAD commit: 2efb7a11f1aa Add linux-next specific files

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[syzbot] [block?] possible deadlock in blkdev_buffered_write

Hello, syzbot found the following issue on: HEAD commit: 2efb7a11f1aa Add linux-next specific files

Oct 20

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