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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 ci, … syzbot ci8

1:27 AM

[syzbot ci] Re: minix: convert to iomap and add direct I/O

syzbot ci has tested the following series [v2] minix: convert to iomap and add direct I/O https://

unread,

[syzbot ci] Re: minix: convert to iomap and add direct I/O

syzbot ci has tested the following series [v2] minix: convert to iomap and add direct I/O https://

1:27 AM

12:34 AM

[syzbot] [ocfs2?] kernel BUG in ocfs2_xattr_value_truncate (2)

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

unread,

[syzbot] [ocfs2?] kernel BUG in ocfs2_xattr_value_truncate (2)

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

12:34 AM

Jun 28

[syzbot] [ocfs2?] WARNING: locking bug in ocfs2_inode_lock_full_nested (3)

Hello, syzbot found the following issue on: HEAD commit: ab9de95c9cf9 Merge tag 'rust-7.2-2'

unread,

[syzbot] [ocfs2?] WARNING: locking bug in ocfs2_inode_lock_full_nested (3)

Hello, syzbot found the following issue on: HEAD commit: ab9de95c9cf9 Merge tag 'rust-7.2-2'

Jun 28

syzbot, … Rafael Passos6

Jun 28

[syzbot] [wireguard?] KCSAN: data-race in wg_socket_send_skb_to_peer / wg_socket_send_skb_to_peer (9)

On Sun Jun 28, 2026 at 11:34 PM -03, Theodore Tso wrote: > One of the reasons why kcsan and syzbot

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[syzbot] [wireguard?] KCSAN: data-race in wg_socket_send_skb_to_peer / wg_socket_send_skb_to_peer (9)

On Sun Jun 28, 2026 at 11:34 PM -03, Theodore Tso wrote: > One of the reasons why kcsan and syzbot

Jun 28

Jun 28

[syzbot] [fs?] [mm?] INFO: rcu detected stall in dentry_kill

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

unread,

[syzbot] [fs?] [mm?] INFO: rcu detected stall in dentry_kill

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

Jun 28

Jianhui Zhou, Andrew Morton2

Jun 28

[PATCH] mm/userfaultfd: clear uffd-wp PTE state when re-registering without WP

On Mon, 1 Jun 2026 16:26:09 +0800 Jianhui Zhou <jianhu...@gmail.com> wrote: >

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[PATCH] mm/userfaultfd: clear uffd-wp PTE state when re-registering without WP

On Mon, 1 Jun 2026 16:26:09 +0800 Jianhui Zhou <jianhu...@gmail.com> wrote: >

Jun 28

Jun 28

[syzbot] [bluetooth?] KASAN: slab-use-after-free Read in skb_pull (2)

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

unread,

[syzbot] [bluetooth?] KASAN: slab-use-after-free Read in skb_pull (2)

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

Jun 28

syzbot, … Lorenzo Stoakes (Oracle)11

Jun 27

[syzbot] [mm?] general protection fault in zap_huge_pmd

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

unread,

[syzbot] [mm?] general protection fault in zap_huge_pmd

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

Jun 27

syzbot, Jakub Kicinski2

Jun 27

[PATCH] netdevsim: remove debugfs files before freeing net_device

On Sat, 27 Jun 2026 11:20:11 +0000 (UTC) syzbot wrote: > A KASAN slab-use-after-free was detected

unread,

[PATCH] netdevsim: remove debugfs files before freeing net_device

On Sat, 27 Jun 2026 11:20:11 +0000 (UTC) syzbot wrote: > A KASAN slab-use-after-free was detected

Jun 27

Jun 27

[syzbot ci] Re: bpf: Introduce static-defined tracing probe for BPF

syzbot ci has tested the following series [v1] bpf: Introduce static-defined tracing probe for BPF

unread,

[syzbot ci] Re: bpf: Introduce static-defined tracing probe for BPF

syzbot ci has tested the following series [v1] bpf: Introduce static-defined tracing probe for BPF

Jun 27

Jun 27

[syzbot] [bpf?] BUG: soft lockup in hsr_announce (3)

syzbot has found a reproducer for the following issue on: HEAD commit: 5a66900afbd6 Merge tag '

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[syzbot] [bpf?] BUG: soft lockup in hsr_announce (3)

syzbot has found a reproducer for the following issue on: HEAD commit: 5a66900afbd6 Merge tag '

Jun 27

Jun 27

[syzbot] [bpf?] INFO: rcu detected stall in task_work_add

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

unread,

[syzbot] [bpf?] INFO: rcu detected stall in task_work_add

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

Jun 27

Jun 27

[syzbot] [ext4?] kernel BUG in ext4_mb_normalize_request (2)

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

unread,

[syzbot] [ext4?] kernel BUG in ext4_mb_normalize_request (2)

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

Jun 27

Jun 27

[syzbot] [fs?] KASAN: slab-use-after-free Read in debugfs_u32_get (2)

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

unread,

[syzbot] [fs?] KASAN: slab-use-after-free Read in debugfs_u32_get (2)

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

Jun 27

syzbot, Tetsuo Handa4

Jun 27

[syzbot] [tomoyo?] KMSAN: uninit-value in tomoyo_path_chown (3)

On 2026/06/27 14:44, syzbot wrote: >> #syz set subsystems: unclassified >> >> #syz

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[syzbot] [tomoyo?] KMSAN: uninit-value in tomoyo_path_chown (3)

On 2026/06/27 14:44, syzbot wrote: >> #syz set subsystems: unclassified >> >> #syz

Jun 27

syzbot ci, Sean Christopherson2

Jun 26

[syzbot ci] Re: KVM: x86/hyperv: Fix racy usage of vcpu->arch.hyperv

On Fri, Jun 26, 2026, syzbot ci wrote: > ------------[ cut here ]------------ > debug_locks

unread,

[syzbot ci] Re: KVM: x86/hyperv: Fix racy usage of vcpu->arch.hyperv

On Fri, Jun 26, 2026, syzbot ci wrote: > ------------[ cut here ]------------ > debug_locks

Jun 26

syzbot, … Hillf Danton13

Jun 26

[syzbot] [bluetooth?] KASAN: slab-use-after-free Read in force_devcd_write

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

unread,

[syzbot] [bluetooth?] KASAN: slab-use-after-free Read in force_devcd_write

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

Jun 26

Jun 26

[syzbot] [net?] [virt?] BUG: soft lockup in perf_event_open (2)

syzbot has found a reproducer for the following issue on: HEAD commit: 4edcdefd4083 Merge tag '

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[syzbot] [net?] [virt?] BUG: soft lockup in perf_event_open (2)

syzbot has found a reproducer for the following issue on: HEAD commit: 4edcdefd4083 Merge tag '

Jun 26

Jun 26

[syzbot] [cgroups?] INFO: task hung in cgroup1_get_tree

Hello, syzbot found the following issue on: HEAD commit: ab9de95c9cf9 Merge tag 'rust-7.2-2'

unread,

[syzbot] [cgroups?] INFO: task hung in cgroup1_get_tree

Hello, syzbot found the following issue on: HEAD commit: ab9de95c9cf9 Merge tag 'rust-7.2-2'

Jun 26

syzbot, … Sean Christopherson3

Jun 25

[PATCH v2] KVM: x86: Exempt in-kernel PIC from "disappearing" interrupt warning

On Fri, Jun 26, 2026, Aleksandr Nogikh wrote: > On Thu, Jun 25, 2026 at 11:10 PM 'syzbot'

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[PATCH v2] KVM: x86: Exempt in-kernel PIC from "disappearing" interrupt warning

On Fri, Jun 26, 2026, Aleksandr Nogikh wrote: > On Thu, Jun 25, 2026 at 11:10 PM 'syzbot'

Jun 25

syzbot, … Thomas Gleixner18

Jun 25

[syzbot] [kernel?] upstream test error: KMSAN: uninit-value in irqentry_exit_to_kernel_mode_preempt

On Mon, Jun 22 2026 at 11:37, Alexander Potapenko wrote: >> I have a draft Clang patch

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[syzbot] [kernel?] upstream test error: KMSAN: uninit-value in irqentry_exit_to_kernel_mode_preempt

On Mon, Jun 22 2026 at 11:37, Alexander Potapenko wrote: >> I have a draft Clang patch

Jun 25

syzbot, Jie Wang3

Jun 25

[syzbot] [jfs?] KASAN: slab-use-after-free Write in lmLogSync

syzbot has found a reproducer for the following issue on: HEAD commit: ab9de95c9cf9 Merge tag '

unread,

[syzbot] [jfs?] KASAN: slab-use-after-free Write in lmLogSync

syzbot has found a reproducer for the following issue on: HEAD commit: ab9de95c9cf9 Merge tag '

Jun 25

Jun 25

[syzbot] [ocfs2?] possible deadlock in ocfs2_calc_xattr_init

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

unread,

[syzbot] [ocfs2?] possible deadlock in ocfs2_calc_xattr_init

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

Jun 25

syzbot, Sean Christopherson3

Jun 25

[syzbot] [kvm-x86?] WARNING in vcpu_run (2)

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

unread,

[syzbot] [kvm-x86?] WARNING in vcpu_run (2)

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

Jun 25

syzbot, … David Howells13

Jun 25

[syzbot] [netfs?] KASAN: slab-use-after-free Read in netfs_unbuffered_write

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

unread,

[syzbot] [netfs?] KASAN: slab-use-after-free Read in netfs_unbuffered_write

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

Jun 25

wuyankun, Ryusuke Konishi3

Jun 25

[PATCH] nilfs2: prevent double insertion of b_assoc_buffers in dirty buffer lookup

On Thu, Jun 25, 2026 at 2:27 PM wuyankun wrote: > > syzbot reported list corruption caused by

unread,

[PATCH] nilfs2: prevent double insertion of b_assoc_buffers in dirty buffer lookup

On Thu, Jun 25, 2026 at 2:27 PM wuyankun wrote: > > syzbot reported list corruption caused by

Jun 25

syzbot, … wuyankun5

Jun 25

[syzbot] [nilfs?] BUG: corrupted list in nilfs_lookup_dirty_data_buffers

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

unread,

[syzbot] [nilfs?] BUG: corrupted list in nilfs_lookup_dirty_data_buffers

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

Jun 25

Jun 25

[syzbot] [net?] KASAN: stack-out-of-bounds Read in xfrm_state_find (6)

Hello, syzbot found the following issue on: HEAD commit: a975094bf98c Merge tag 'exfat-for-7.2-

unread,

[syzbot] [net?] KASAN: stack-out-of-bounds Read in xfrm_state_find (6)

Hello, syzbot found the following issue on: HEAD commit: a975094bf98c Merge tag 'exfat-for-7.2-

Jun 25

syzbot, Thomas Gleixner2

Jun 25

[syzbot] [kernel?] KMSAN: kernel-infoleak in exc_page_fault

#syz set subsystems: kasan On Wed, Jun 24 2026 at 18:08, syzbot wrote: > syzbot found the

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[syzbot] [kernel?] KMSAN: kernel-infoleak in exc_page_fault

#syz set subsystems: kasan On Wed, Jun 24 2026 at 18:08, syzbot wrote: > syzbot found the

Jun 25

Jun 24

[syzbot] [ocfs2?] kernel BUG in ocfs2_journal_toggle_dirty (2)

Hello, syzbot found the following issue on: HEAD commit: 1a3746ccbb0a Merge tag 'strncpy-removal-

unread,

[syzbot] [ocfs2?] kernel BUG in ocfs2_journal_toggle_dirty (2)

Hello, syzbot found the following issue on: HEAD commit: 1a3746ccbb0a Merge tag 'strncpy-removal-

Jun 24

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