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

Nobody is reading this list per se. See this article on reporting kernel bugs.

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syzbot, … Deepanshu Kartikey6

2:01 AM

[syzbot] [cgroups?] [mm?] WARNING in memcg1_swapout

On Sun, Jan 18, 2026 at 9:51 AM Deepanshu Kartikey <karti...@gmail.com> wrote: > > On

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[syzbot] [cgroups?] [mm?] WARNING in memcg1_swapout

On Sun, Jan 18, 2026 at 9:51 AM Deepanshu Kartikey <karti...@gmail.com> wrote: > > On

2:01 AM

Jan 17

[syzbot] [mm?] INFO: rcu detected stall in sys_execve (6)

syzbot has found a reproducer for the following issue on: HEAD commit: a74c7a58ca2c net: freescale:

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[syzbot] [mm?] INFO: rcu detected stall in sys_execve (6)

syzbot has found a reproducer for the following issue on: HEAD commit: a74c7a58ca2c net: freescale:

Jan 17

syzbot, … Jakub Kicinski4

Jan 17

[syzbot] [hams?] KASAN: slab-use-after-free Read in nr_rt_ioctl

On Sat, 17 Jan 2026 12:23:13 +0530 Prithvi Tambewagh wrote: > #syz test upstream

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[syzbot] [hams?] KASAN: slab-use-after-free Read in nr_rt_ioctl

On Sat, 17 Jan 2026 12:23:13 +0530 Prithvi Tambewagh wrote: > #syz test upstream

Jan 17

Jan 17

[syzbot] [net?] [input?] [usb?] memory leak in ldisc_receive

Hello, syzbot found the following issue on: HEAD commit: b71e635feefc Merge tag 'cgroup-for-6.19-

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[syzbot] [net?] [input?] [usb?] memory leak in ldisc_receive

Hello, syzbot found the following issue on: HEAD commit: b71e635feefc Merge tag 'cgroup-for-6.19-

Jan 17

syzbot, Prithvi Tambewagh17

Jan 17

[syzbot] [hams?] memory leak in nr_add_node

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

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[syzbot] [hams?] memory leak in nr_add_node

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

Jan 17

syzbot, Lizhi Xu8

Jan 17

[syzbot] [ntfs3?] possible deadlock in mark_as_free_ex (2)

syzbot suspects this issue was fixed by commit: commit bcbb8d0afd94927215e8ae97c40cfefa807cfe0b

unread,

[syzbot] [ntfs3?] possible deadlock in mark_as_free_ex (2)

syzbot suspects this issue was fixed by commit: commit bcbb8d0afd94927215e8ae97c40cfefa807cfe0b

Jan 17

syzbot, Jeongjun Park3

Jan 17

[syzbot] [hams?] BUG: unable to handle kernel paging request in sk_skb_reason_drop

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

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[syzbot] [hams?] BUG: unable to handle kernel paging request in sk_skb_reason_drop

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

Jan 17

Jan 17

[syzbot] [xfs?] KASAN: use-after-free Read in hpfs_bplus_lookup

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

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[syzbot] [xfs?] KASAN: use-after-free Read in hpfs_bplus_lookup

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

Jan 17

Jan 16

[syzbot ci] Re: AG aware parallel writeback for XFS

syzbot ci has tested the following series [v3] AG aware parallel writeback for XFS https://lore.

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[syzbot ci] Re: AG aware parallel writeback for XFS

syzbot ci has tested the following series [v3] AG aware parallel writeback for XFS https://lore.

Jan 16

syzbot, Sean Christopherson2

Jan 16

[syzbot] [kvm?] BUG: unable to handle kernel paging request in kvm_gmem_get_folio

On Fri, Jan 16, 2026, syzbot wrote: > Hello, > > syzbot found the following issue on: >

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[syzbot] [kvm?] BUG: unable to handle kernel paging request in kvm_gmem_get_folio

On Fri, Jan 16, 2026, syzbot wrote: > Hello, > > syzbot found the following issue on: >

Jan 16

Jan 16

Re: [syzbot] [netfilter?] WARNING in __nf_unregister_net_hook (9)

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

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Re: [syzbot] [netfilter?] WARNING in __nf_unregister_net_hook (9)

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

Jan 16

Jan 16

[syzbot] [net?] [virt?] memory leak in napi_skb_cache_get (2)

Hello, syzbot tried to test the proposed patch but the build/boot failed: SYZFAIL: failed to recv rpc

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[syzbot] [net?] [virt?] memory leak in napi_skb_cache_get (2)

Hello, syzbot tried to test the proposed patch but the build/boot failed: SYZFAIL: failed to recv rpc

Jan 16

syzbot ci, Lorenzo Stoakes2

Jan 16

[syzbot ci] Re: add and use vma_assert_stabilised() helper

Please ignore, this whole series has been resent at [0]. Cheers, Lorenzo [0]: https://lore.kernel.org

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[syzbot ci] Re: add and use vma_assert_stabilised() helper

Please ignore, this whole series has been resent at [0]. Cheers, Lorenzo [0]: https://lore.kernel.org

Jan 16

Jan 16

[syzbot] [netfilter?] WARNING in __nf_unregister_net_hook (9)

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

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[syzbot] [netfilter?] WARNING in __nf_unregister_net_hook (9)

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

Jan 16

syzbot, Christian Brauner4

Jan 16

[syzbot] [fs?] possible deadlock in put_mnt_ns

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

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[syzbot] [fs?] possible deadlock in put_mnt_ns

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

Jan 16

syzbot, … Konstantin Komarov3

Jan 16

[syzbot] [ntfs3?] INFO: task hung in ntfs_file_write_iter (2)

On 12/28/25 04:53, Edward Adam Davis wrote: > When processing valid within the range [valid : pos)

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[syzbot] [ntfs3?] INFO: task hung in ntfs_file_write_iter (2)

On 12/28/25 04:53, Edward Adam Davis wrote: > When processing valid within the range [valid : pos)

Jan 16

Jan 16

[syzbot] [btrfs?] general protection fault in put_pwq_unlocked (2)

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

unread,

[syzbot] [btrfs?] general protection fault in put_pwq_unlocked (2)

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

Jan 16

syzbot, Prithvi Tambewagh4

Jan 16

[syzbot] [ocfs2?] KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc_bits

syzbot suspects this issue was fixed by commit: commit e1c70505ee8158c1108340d9cd67182ade93af4a

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[syzbot] [ocfs2?] KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc_bits

syzbot suspects this issue was fixed by commit: commit e1c70505ee8158c1108340d9cd67182ade93af4a

Jan 16

Jan 15

[syzbot] [bpf?] [trace?] BUG: stack guard page was hit in br_handle_frame

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

unread,

[syzbot] [bpf?] [trace?] BUG: stack guard page was hit in br_handle_frame

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

Jan 15

Jan 15

[syzbot] [sctp?] WARNING: refcount bug in sctp_generate_timeout_event (2)

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

unread,

[syzbot] [sctp?] WARNING: refcount bug in sctp_generate_timeout_event (2)

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

Jan 15

syzbot, … Hillf Danton7

Jan 15

[syzbot] [fs?] BUG: corrupted list in remove_wait_queue (2)

syzbot suspects this issue was fixed by commit: commit 35b6fc51c666fc96355be5cd633ed0fe4ccf68b2

unread,

[syzbot] [fs?] BUG: corrupted list in remove_wait_queue (2)

syzbot suspects this issue was fixed by commit: commit 35b6fc51c666fc96355be5cd633ed0fe4ccf68b2

Jan 15

syzbot, … Mathieu Desnoyers4

Jan 15

[syzbot] [kernel?] WARNING in sched_mm_cid_remote_clear (3)

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 in sched_mm_cid_remote_clear (3)

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

Jan 15

Jan 15

[syzbot] [mm?] KASAN: slab-use-after-free Read in lookup_object_or_alloc (3)

Hello, syzbot found the following issue on: HEAD commit: 79b95d74470d Merge tag 'hid-for-linus-

unread,

[syzbot] [mm?] KASAN: slab-use-after-free Read in lookup_object_or_alloc (3)

Hello, syzbot found the following issue on: HEAD commit: 79b95d74470d Merge tag 'hid-for-linus-

Jan 15

Jan 15

[syzbot] [hams?] possible deadlock in nr_del_node (2)

Hello, syzbot found the following issue on: HEAD commit: 4427259cc7f7 Merge tag 'riscv-for-linus-

unread,

[syzbot] [hams?] possible deadlock in nr_del_node (2)

Hello, syzbot found the following issue on: HEAD commit: 4427259cc7f7 Merge tag 'riscv-for-linus-

Jan 15

Jan 15

[syzbot] [hams?] general protection fault in rose_transmit_link (4)

Hello, syzbot found the following issue on: HEAD commit: 6f3b6e91f720 Merge tag 'io_uring-6.18-

unread,

[syzbot] [hams?] general protection fault in rose_transmit_link (4)

Hello, syzbot found the following issue on: HEAD commit: 6f3b6e91f720 Merge tag 'io_uring-6.18-

Jan 15

Jan 15

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

Hello, syzbot found the following issue on: HEAD commit: 46a51f4f5eda Merge tag 'for-v6.17-rc

unread,

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

Hello, syzbot found the following issue on: HEAD commit: 46a51f4f5eda Merge tag 'for-v6.17-rc

Jan 15

syzbot, Bart Van Assche3

Jan 15

[syzbot] [scsi?] upstream test error: KMSAN: uninit-value in scsi_get_vpd_buf

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

unread,

[syzbot] [scsi?] upstream test error: KMSAN: uninit-value in scsi_get_vpd_buf

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

Jan 15

syzbot, … Paolo Abeni14

Jan 15

[syzbot] [virt?] upstream test error: KMSAN: use-after-free in vring_map_one_sg

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

unread,

[syzbot] [virt?] upstream test error: KMSAN: use-after-free in vring_map_one_sg

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

Jan 15

syzbot, … Jann Horn10

Jan 15

[syzbot] [mm?] KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare

On Wed, Jan 14, 2026 at 10:16 PM Lorenzo Stoakes <lorenzo...@oracle.com> wrote: > On

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[syzbot] [mm?] KCSAN: data-race in __anon_vma_prepare / __vmf_anon_prepare

On Wed, Jan 14, 2026 at 10:16 PM Lorenzo Stoakes <lorenzo...@oracle.com> wrote: > On

Jan 15

Jan 15

[syzbot] [isdn4linux?] KCSAN: data-race in mISDN_ioctl / mISDN_read (4)

Hello, syzbot found the following issue on: HEAD commit: 516471569089 Merge tag 'libcrypto-fixes-

unread,

[syzbot] [isdn4linux?] KCSAN: data-race in mISDN_ioctl / mISDN_read (4)

Hello, syzbot found the following issue on: HEAD commit: 516471569089 Merge tag 'libcrypto-fixes-

Jan 15

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