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

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4:49 AM

[syzbot] [hams?] KASAN: slab-use-after-free Write in nr_neigh_put

Hello, syzbot found the following issue on: HEAD commit: 6ad42b244136 Merge branch 'bng_en-

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[syzbot] [hams?] KASAN: slab-use-after-free Write in nr_neigh_put

Hello, syzbot found the following issue on: HEAD commit: 6ad42b244136 Merge branch 'bng_en-

4:49 AM

12:22 AM

[syzbot] [gfs2?] memory leak in __kthread_create_on_node

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

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[syzbot] [gfs2?] memory leak in __kthread_create_on_node

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

12:22 AM

Jan 30

[syzbot] [serial?] general protection fault in puts_queue

Hello, syzbot found the following issue on: HEAD commit: 615aad0f61e0 Add linux-next specific files

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[syzbot] [serial?] general protection fault in puts_queue

Hello, syzbot found the following issue on: HEAD commit: 615aad0f61e0 Add linux-next specific files

Jan 30

Jan 30

[syzbot] [kernel?] KMSAN: uninit-value in pick_task_fair

Hello, syzbot found the following issue on: HEAD commit: 63804fed149a Linux 6.19-rc7 git tree:

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[syzbot] [kernel?] KMSAN: uninit-value in pick_task_fair

Hello, syzbot found the following issue on: HEAD commit: 63804fed149a Linux 6.19-rc7 git tree:

Jan 30

Henry Zhang, … Andrii Nakryiko10

Jan 30

[PATCH] perf: Fix data race in perf_event_set_bpf_handler()

On Fri, Jan 30, 2026 at 2:23 AM Peter Zijlstra <pet...@infradead.org> wrote: > > On Mon,

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[PATCH] perf: Fix data race in perf_event_set_bpf_handler()

On Fri, Jan 30, 2026 at 2:23 AM Peter Zijlstra <pet...@infradead.org> wrote: > > On Mon,

Jan 30

Jan 30

[syzbot] [kvm?] WARNING in kvm_gmem_fault_user_mapping

Hello, syzbot found the following issue on: HEAD commit: 1f97d9dcf536 Merge tag 'vfio-v6.19-rc8

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[syzbot] [kvm?] WARNING in kvm_gmem_fault_user_mapping

Hello, syzbot found the following issue on: HEAD commit: 1f97d9dcf536 Merge tag 'vfio-v6.19-rc8

Jan 30

syzbot ci, … syzbot ci3

Jan 30

[syzbot ci] Re: Separate compound page from folio

Unknown command

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[syzbot ci] Re: Separate compound page from folio

Unknown command

Jan 30

Jan 30

[syzbot] [trace?] WARNING in __dma_map_sg_attrs (2)

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

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[syzbot] [trace?] WARNING in __dma_map_sg_attrs (2)

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

Jan 30

Jan 30

[syzbot] Monthly fuse report (Jan 2026)

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

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[syzbot] Monthly fuse report (Jan 2026)

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

Jan 30

Jan 30

[syzbot] Monthly block report (Jan 2026)

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

unread,

[syzbot] Monthly block report (Jan 2026)

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

Jan 30

Jan 30

[syzbot] Monthly ext4 report (Jan 2026)

Hello ext4 maintainers/developers, This is a 31-day syzbot report for the ext4 subsystem. All related

unread,

[syzbot] Monthly ext4 report (Jan 2026)

Hello ext4 maintainers/developers, This is a 31-day syzbot report for the ext4 subsystem. All related

Jan 30

Jan 30

[syzbot] Monthly lsm report (Jan 2026)

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

unread,

[syzbot] Monthly lsm report (Jan 2026)

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

Jan 30

Jan 30

[syzbot] Monthly xfs report (Jan 2026)

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

unread,

[syzbot] Monthly xfs report (Jan 2026)

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

Jan 30

syzbot, … Sahil Chandna9

Jan 30

[syzbot] [input?] [usb?] WARNING in asus_remove

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

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[syzbot] [input?] [usb?] WARNING in asus_remove

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

Jan 30

syzbot, … Johan Hovold5

Jan 30

[syzbot] [usb?] general protection fault in qt2_read_bulk_callback (2)

On Tue, Jan 27, 2026 at 04:34:29PM -0800, syzbot wrote: > Hello, > > syzbot found the

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[syzbot] [usb?] general protection fault in qt2_read_bulk_callback (2)

On Tue, Jan 27, 2026 at 04:34:29PM -0800, syzbot wrote: > Hello, > > syzbot found the

Jan 30

Jan 30

[syzbot] [cgroups?] possible deadlock in cgroup_kn_lock_live

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

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[syzbot] [cgroups?] possible deadlock in cgroup_kn_lock_live

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

Jan 30

syzbot, … John Ogness17

Jan 30

[syzbot] [f2fs?] kernel BUG in folio_end_read (2)

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

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[syzbot] [f2fs?] kernel BUG in folio_end_read (2)

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

Jan 30

Jan 30

[syzbot] [iomap?] KASAN: use-after-free Write in iomap_write_end

Hello, syzbot found the following issue on: HEAD commit: 4d310797262f Merge tag 'pm-6.19-rc8'

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[syzbot] [iomap?] KASAN: use-after-free Write in iomap_write_end

Hello, syzbot found the following issue on: HEAD commit: 4d310797262f Merge tag 'pm-6.19-rc8'

Jan 30

Jan 29

[syzbot] [net?] [virt?] BUG: sleeping function called from invalid context in get_random_u8

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

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[syzbot] [net?] [virt?] BUG: sleeping function called from invalid context in get_random_u8

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

Jan 29

Jan 29

[syzbot] [net?] WARNING: refcount bug in nsim_fib_event_nb (2)

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

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[syzbot] [net?] WARNING: refcount bug in nsim_fib_event_nb (2)

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

Jan 29

Jan 29

[syzbot ci] Re: virtio-net: add flow filter for receive timestamps

syzbot ci has tested the following series [v2] virtio-net: add flow filter for receive timestamps

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[syzbot ci] Re: virtio-net: add flow filter for receive timestamps

syzbot ci has tested the following series [v2] virtio-net: add flow filter for receive timestamps

Jan 29

Jan 29

[syzbot] Monthly serial report (Jan 2026)

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

unread,

[syzbot] Monthly serial report (Jan 2026)

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

Jan 29

Jan 29

[syzbot] Monthly media report (Jan 2026)

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

unread,

[syzbot] Monthly media report (Jan 2026)

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

Jan 29

Jan 29

[syzbot] Monthly udf report (Jan 2026)

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

unread,

[syzbot] Monthly udf report (Jan 2026)

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

Jan 29

Jan 29

[syzbot] Monthly hfs report (Jan 2026)

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

unread,

[syzbot] Monthly hfs report (Jan 2026)

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

Jan 29

Jan 29

[syzbot] Monthly btrfs report (Jan 2026)

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

unread,

[syzbot] Monthly btrfs report (Jan 2026)

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

Jan 29

Jan 28

[syzbot] [jfs?] kernel BUG in jfs_flush_journal (2)

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

unread,

[syzbot] [jfs?] kernel BUG in jfs_flush_journal (2)

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

Jan 28

Jan 28

[syzbot] Monthly wireless report (Jan 2026)

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

unread,

[syzbot] Monthly wireless report (Jan 2026)

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

Jan 28

Jan 28

[syzbot] Monthly usb report (Jan 2026)

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

unread,

[syzbot] Monthly usb report (Jan 2026)

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

Jan 28

Jan 28

[syzbot] Monthly dri report (Jan 2026)

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

unread,

[syzbot] Monthly dri report (Jan 2026)

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

Jan 28

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