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

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syzbot ci, Qi Zheng2

Jan 14

[syzbot ci] Re: Eliminate Dying Memory Cgroup

On 1/15/26 1:07 AM, syzbot ci wrote: > syzbot ci has tested the following series > > [v3]

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[syzbot ci] Re: Eliminate Dying Memory Cgroup

On 1/15/26 1:07 AM, syzbot ci wrote: > syzbot ci has tested the following series > > [v3]

Jan 14

Jan 14

[syzbot] [ocfs2?] kernel BUG in ocfs2_set_new_buffer_uptodate (2)

syzbot suspects this issue was fixed by commit: commit 93ce0ff117b0c468961d7c296a03ad57e1e8da9f

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[syzbot] [ocfs2?] kernel BUG in ocfs2_set_new_buffer_uptodate (2)

syzbot suspects this issue was fixed by commit: commit 93ce0ff117b0c468961d7c296a03ad57e1e8da9f

Jan 14

Jan 14

[syzbot] [wireless?] KASAN: slab-out-of-bounds Read in ieee80211_ie_split_ric

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

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[syzbot] [wireless?] KASAN: slab-out-of-bounds Read in ieee80211_ie_split_ric

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

Jan 14

Jan 14

[syzbot] [fs?] possible deadlock in serial8250_handle_irq (2)

Hello, syzbot found the following issue on: HEAD commit: b6151c4e60e5 Merge tag 'erofs-for-6.19-

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[syzbot] [fs?] possible deadlock in serial8250_handle_irq (2)

Hello, syzbot found the following issue on: HEAD commit: b6151c4e60e5 Merge tag 'erofs-for-6.19-

Jan 14

syzbot, … Lorenzo Stoakes9

Jan 14

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

On Wed, Jan 14, 2026 at 07:23:37PM +0100, Jann Horn wrote: > On Wed, Jan 14, 2026 at 7:02 PM

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

On Wed, Jan 14, 2026 at 07:23:37PM +0100, Jann Horn wrote: > On Wed, Jan 14, 2026 at 7:02 PM

Jan 14

syzbot, Jens Axboe2

Jan 14

[syzbot] [io-uring?] memory leak in iovec_from_user (4)

On 1/14/26 1:35 AM, syzbot wrote: > Hello, > > syzbot found the following issue on: >

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[syzbot] [io-uring?] memory leak in iovec_from_user (4)

On 1/14/26 1:35 AM, syzbot wrote: > Hello, > > syzbot found the following issue on: >

Jan 14

syzbot, … Christian Brauner9

Jan 14

[syzbot] [hfs?] kernel BUG in may_open (3)

On Tue, Jan 13, 2026 at 05:18:40PM +0000, Viacheslav Dubeyko wrote: > On Tue, 2026-01-13 at 09:55

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[syzbot] [hfs?] kernel BUG in may_open (3)

On Tue, Jan 13, 2026 at 05:18:40PM +0000, Viacheslav Dubeyko wrote: > On Tue, 2026-01-13 at 09:55

Jan 14

syzbot, Hillf Danton3

Jan 14

[syzbot] [bpf?] [net?] WARNING in sock_map_delete_elem (2)

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

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[syzbot] [bpf?] [net?] WARNING in sock_map_delete_elem (2)

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

Jan 14

syzbot, … Soham Metha16

Jan 14

[syzbot] [bpf?] KMSAN: uninit-value in bpf_prog_test_run_skb

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

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[syzbot] [bpf?] KMSAN: uninit-value in bpf_prog_test_run_skb

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

Jan 14

Jan 14

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

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

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

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

Jan 14

Jan 14

[syzbot ci] Re: iomap: add allocation cache for iomap_dio

syzbot ci has tested the following series [v2] iomap: add allocation cache for iomap_dio https://lore

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[syzbot ci] Re: iomap: add allocation cache for iomap_dio

syzbot ci has tested the following series [v2] iomap: add allocation cache for iomap_dio https://lore

Jan 14

Jan 14

[syzbot] [v9fs?] possible deadlock in flush_all_rcu_sheaves

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

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[syzbot] [v9fs?] possible deadlock in flush_all_rcu_sheaves

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

Jan 14

Jan 14

[syzbot] [cgroups?] possible deadlock in cgroup_procs_write_start

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_procs_write_start

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

Jan 14

syzbot, … weipeng20

Jan 14

[syzbot] [usb?] INFO: task hung in i2c_tiny_usb_disconnect

Hi, i2c_del_adapter in i2c-core-base.c: > void i2c_del_adapter(struct i2c_adapter *adap) > {

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[syzbot] [usb?] INFO: task hung in i2c_tiny_usb_disconnect

Hi, i2c_del_adapter in i2c-core-base.c: > void i2c_del_adapter(struct i2c_adapter *adap) > {

Jan 14

Jan 14

[syzbot ci] Re: mm/madvise: prefer VMA lock for MADV_REMOVE

syzbot ci has tested the following series [v1] mm/madvise: prefer VMA lock for MADV_REMOVE https://

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[syzbot ci] Re: mm/madvise: prefer VMA lock for MADV_REMOVE

syzbot ci has tested the following series [v1] mm/madvise: prefer VMA lock for MADV_REMOVE https://

Jan 14

Jan 14

[syzbot] Monthly io-uring report (Jan 2026)

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

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[syzbot] Monthly io-uring report (Jan 2026)

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

Jan 14

Jan 13

[syzbot] [net?] possible deadlock in udp_sendmsg

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

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[syzbot] [net?] possible deadlock in udp_sendmsg

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

Jan 13

Jan 13

[syzbot] [net?] possible deadlock in tcp_sigpool_alloc_ahash

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

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[syzbot] [net?] possible deadlock in tcp_sigpool_alloc_ahash

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

Jan 13

Jan 13

[syzbot] [bpf?] general protection fault in __pcpu_freelist_pop

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

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[syzbot] [bpf?] general protection fault in __pcpu_freelist_pop

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

Jan 13

Jan 13

[syzbot] [io-uring?] INFO: rcu detected stall in io_ring_exit_work (3)

Hello, syzbot found the following issue on: HEAD commit: f0b9d8eb98df Merge tag 'nfsd-6.19-3'

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[syzbot] [io-uring?] INFO: rcu detected stall in io_ring_exit_work (3)

Hello, syzbot found the following issue on: HEAD commit: f0b9d8eb98df Merge tag 'nfsd-6.19-3'

Jan 13

Arnaud Lecomte, … Andrii Nakryiko10

Jan 13

[PATCH] bpf-next: Prevent out of bound buffer write in __bpf_get_stack

On 09/01/2026 19:05, Andrii Nakryiko wrote: > On Wed, Jan 7, 2026 at 10:35 AM Lecomte, Arnaud <

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[PATCH] bpf-next: Prevent out of bound buffer write in __bpf_get_stack

On 09/01/2026 19:05, Andrii Nakryiko wrote: > On Wed, Jan 7, 2026 at 10:35 AM Lecomte, Arnaud <

Jan 13

Jan 13

[syzbot] [net?] KASAN: global-out-of-bounds Read in __hw_addr_add_ex (4)

Hello, syzbot found the following issue on: HEAD commit: c8ebd433459b Merge tag 'nfsd-6.19-2'

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[syzbot] [net?] KASAN: global-out-of-bounds Read in __hw_addr_add_ex (4)

Hello, syzbot found the following issue on: HEAD commit: c8ebd433459b Merge tag 'nfsd-6.19-2'

Jan 13

Jan 13

[syzbot] [net?] memory leak in l2tp_tunnel_create

Hello, syzbot found the following issue on: HEAD commit: f0b9d8eb98df Merge tag 'nfsd-6.19-3'

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[syzbot] [net?] memory leak in l2tp_tunnel_create

Hello, syzbot found the following issue on: HEAD commit: f0b9d8eb98df Merge tag 'nfsd-6.19-3'

Jan 13

Jan 13

[syzbot] [bridge?] INFO: rcu detected stall in br_handle_frame (6)

Hello, syzbot found the following issue on: HEAD commit: f83a4f2a4d8c Merge tag 'erofs-for-6.17-

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[syzbot] [bridge?] INFO: rcu detected stall in br_handle_frame (6)

Hello, syzbot found the following issue on: HEAD commit: f83a4f2a4d8c Merge tag 'erofs-for-6.17-

Jan 13

Jan 13

[syzbot] [kernfs?] INFO: rcu detected stall in cleanup_net (8)

Hello, syzbot found the following issue on: HEAD commit: 008d3547aae5 Add linux-next specific files

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[syzbot] [kernfs?] INFO: rcu detected stall in cleanup_net (8)

Hello, syzbot found the following issue on: HEAD commit: 008d3547aae5 Add linux-next specific files

Jan 13

syzbot, … Takashi Iwai5

Jan 13

[syzbot] [sound?] [usb?] KASAN: slab-out-of-bounds Write in copy_to_urb (2)

On Tue, 13 Jan 2026 09:29:23 +0100, Edward Adam Davis wrote: > > In this case, the user

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[syzbot] [sound?] [usb?] KASAN: slab-out-of-bounds Write in copy_to_urb (2)

On Tue, 13 Jan 2026 09:29:23 +0100, Edward Adam Davis wrote: > > In this case, the user

Jan 13

Jan 13

[syzbot] [ext4?] KASAN: use-after-free Read in ext4_read_inline_data

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

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[syzbot] [ext4?] KASAN: use-after-free Read in ext4_read_inline_data

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

Jan 13

Jan 13

[syzbot] [kernel?] INFO: task hung in con_install (3)

Hello, syzbot found the following issue on: HEAD commit: 623fb9912f6a Merge tag 'pinctrl-v6.19-2

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[syzbot] [kernel?] INFO: task hung in con_install (3)

Hello, syzbot found the following issue on: HEAD commit: 623fb9912f6a Merge tag 'pinctrl-v6.19-2

Jan 13

Jan 13

[syzbot] [gfs2?] general protection fault in gfs2_thaw_freeze_initiator

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

unread,

[syzbot] [gfs2?] general protection fault in gfs2_thaw_freeze_initiator

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

Jan 13

Jan 13

[syzbot] [ntfs3?] kernel BUG in folio_set_bh (2)

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

unread,

[syzbot] [ntfs3?] kernel BUG in folio_set_bh (2)

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

Jan 13

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