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

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9:59 PM

[syzbot] [net?] BUG: soft lockup in xfrm_policy_timer

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

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[syzbot] [net?] BUG: soft lockup in xfrm_policy_timer

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

9:59 PM

8:15 PM

[syzbot] [media?] KMSAN: uninit-value in dvbdmx_release_ts_feed

Hello, syzbot found the following issue on: HEAD commit: 2687c848e578 x86/vmware: Fix hypercall

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[syzbot] [media?] KMSAN: uninit-value in dvbdmx_release_ts_feed

Hello, syzbot found the following issue on: HEAD commit: 2687c848e578 x86/vmware: Fix hypercall

8:15 PM

7:32 PM

[syzbot] BUG: Bad rss-counter state (6)

Hello, syzbot found the following issue on: HEAD commit: e84d960149e7 Merge tag 'for-6.19-rc5-tag

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[syzbot] BUG: Bad rss-counter state (6)

Hello, syzbot found the following issue on: HEAD commit: e84d960149e7 Merge tag 'for-6.19-rc5-tag

7:32 PM

syzbot, Pasha Tatashin2

12:44 PM

[syzbot] [mm?] kernel BUG in page_table_check_set (2)

On Thu, Feb 5, 2026 at 5:40 PM syzbot <syzbot+227179...@syzkaller.appspotmail.com>

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[syzbot] [mm?] kernel BUG in page_table_check_set (2)

On Thu, Feb 5, 2026 at 5:40 PM syzbot <syzbot+227179...@syzkaller.appspotmail.com>

12:44 PM

8:02 AM

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

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

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

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

8:02 AM

7:10 AM

[syzbot] [mm?] BUG: soft lockup in dev_ioctl (2)

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

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[syzbot] [mm?] BUG: soft lockup in dev_ioctl (2)

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

7:10 AM

syzbot, Prithvi Tambewagh11

5:55 AM

[syzbot] [fs?] possible deadlock in __configfs_open_file

Hello, syzbot tried to test the proposed patch but the build/boot failed: failed to run ["make

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[syzbot] [fs?] possible deadlock in __configfs_open_file

Hello, syzbot tried to test the proposed patch but the build/boot failed: failed to run ["make

5:55 AM

syzbot, … Tetsuo Handa13

4:48 AM

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

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

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

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

4:48 AM

syzbot ci, Isaku Yamahata2

1:52 AM

[syzbot ci] Re: KVM: VMX APIC timer virtualization support

On Tue, Feb 03, 2026 at 11:46:26PM -0800, syzbot ci <syzbot+ci66a37fb2e2f8de71@syzkaller.

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[syzbot ci] Re: KVM: VMX APIC timer virtualization support

On Tue, Feb 03, 2026 at 11:46:26PM -0800, syzbot ci <syzbot+ci66a37fb2e2f8de71@syzkaller.

1:52 AM

Feb 6

[syzbot] [ext4?] kernel BUG in ext4_write_inline_data (4)

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

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[syzbot] [ext4?] kernel BUG in ext4_write_inline_data (4)

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

Feb 6

Shigeru Yoshida, syzbot2

Feb 6

Test for 5a66db916cdde0dbcc1c

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

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Test for 5a66db916cdde0dbcc1c

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

Feb 6

Feb 6

[syzbot ci] Re: mm: map maximum pages possible in finish_fault

syzbot ci has tested the following series [v1] mm: map maximum pages possible in finish_fault https:/

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[syzbot ci] Re: mm: map maximum pages possible in finish_fault

syzbot ci has tested the following series [v1] mm: map maximum pages possible in finish_fault https:/

Feb 6

Feb 6

[syzbot] [modules?] KASAN: slab-out-of-bounds Write in try_module_get (2)

Hello, syzbot found the following issue on: HEAD commit: 8e621c9a3375 Merge tag 'net-6.18-rc7

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[syzbot] [modules?] KASAN: slab-out-of-bounds Write in try_module_get (2)

Hello, syzbot found the following issue on: HEAD commit: 8e621c9a3375 Merge tag 'net-6.18-rc7

Feb 6

syzbot, … Shakeel Butt3

Feb 6

[syzbot] [cgroups?] [mm?] KASAN: wild-memory-access Read in lookup_swap_cgroup_id (2)

+Kairui On Fri, Feb 06, 2026 at 08:31:19AM +0100, Dmitry Vyukov wrote: > On Fri, 6 Feb 2026 at 08:

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[syzbot] [cgroups?] [mm?] KASAN: wild-memory-access Read in lookup_swap_cgroup_id (2)

+Kairui On Fri, Feb 06, 2026 at 08:31:19AM +0100, Dmitry Vyukov wrote: > On Fri, 6 Feb 2026 at 08:

Feb 6

Feb 6

[syzbot] [hams?] KASAN: slab-use-after-free Read in rose_t0timer_expiry

Hello, syzbot found the following issue on: HEAD commit: 24cf78c73831 net/mlx5e: SHAMPO, Switch to

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[syzbot] [hams?] KASAN: slab-use-after-free Read in rose_t0timer_expiry

Hello, syzbot found the following issue on: HEAD commit: 24cf78c73831 net/mlx5e: SHAMPO, Switch to

Feb 6

Feb 6

[syzbot] Monthly bpf report (Feb 2026)

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

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[syzbot] Monthly bpf report (Feb 2026)

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

Feb 6

Feb 6

[syzbot] Monthly comedi report (Feb 2026)

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

unread,

[syzbot] Monthly comedi report (Feb 2026)

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

Feb 6

Feb 6

[syzbot ci] Re: bpf: Add preempt disable for bpf_get_stack

syzbot ci has tested the following series [v2] bpf: Add preempt disable for bpf_get_stack https://

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[syzbot ci] Re: bpf: Add preempt disable for bpf_get_stack

syzbot ci has tested the following series [v2] bpf: Add preempt disable for bpf_get_stack https://

Feb 6

syzbot ci, syzbot ci2

Feb 6

[syzbot ci] Re: bpf: test_run: Fix the null pointer dereference issue in bpf_lwt_xmit_push_encap

syzbot ci has tested the following series [v3] bpf: test_run: Fix the null pointer dereference issue

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[syzbot ci] Re: bpf: test_run: Fix the null pointer dereference issue in bpf_lwt_xmit_push_encap

syzbot ci has tested the following series [v3] bpf: test_run: Fix the null pointer dereference issue

Feb 6

syzbot, … Peter Zijlstra4

Feb 6

[syzbot] [perf?] KCSAN: data-race in perf_event_set_state / perf_mmap_rb

On Fri, Feb 06, 2026 at 10:18:38AM +0100, Peter Zijlstra wrote: > > Because `perf_mmap_rb()`

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[syzbot] [perf?] KCSAN: data-race in perf_event_set_state / perf_mmap_rb

On Fri, Feb 06, 2026 at 10:18:38AM +0100, Peter Zijlstra wrote: > > Because `perf_mmap_rb()`

Feb 6

Feb 6

[BUG] KASAN_ null-ptr-deref in h5_recv during HCI UART handling on Linux 6.18

Dear Maintainers, When using our customized Syzkaller to fuzz the latest Linux kernel, the following

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[BUG] KASAN_ null-ptr-deref in h5_recv during HCI UART handling on Linux 6.18

Dear Maintainers, When using our customized Syzkaller to fuzz the latest Linux kernel, the following

Feb 6

Feb 6

[syzbot] [afs?] KASAN: slab-use-after-free Read in __radix_tree_replace

Hello, syzbot found the following issue on: HEAD commit: d358e5254674 Merge tag 'for-6.19/dm-

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[syzbot] [afs?] KASAN: slab-use-after-free Read in __radix_tree_replace

Hello, syzbot found the following issue on: HEAD commit: d358e5254674 Merge tag 'for-6.19/dm-

Feb 6

syzbot, … Peter Zijlstra3

Feb 6

[syzbot] [perf?] KCSAN: data-race in __perf_event_read_value / perf_event_set_state (6)

On Fri, Feb 06, 2026 at 08:37:14AM +0100, Dmitry Vyukov wrote: > On Fri, 6 Feb 2026 at 08:34,

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[syzbot] [perf?] KCSAN: data-race in __perf_event_read_value / perf_event_set_state (6)

On Fri, Feb 06, 2026 at 08:37:14AM +0100, Dmitry Vyukov wrote: > On Fri, 6 Feb 2026 at 08:34,

Feb 6

Feb 6

[syzbot ci] Re: net/rds: RDS-TCP reconnect and fanout improvements

syzbot ci has tested the following series [v1] net/rds: RDS-TCP reconnect and fanout improvements

unread,

[syzbot ci] Re: net/rds: RDS-TCP reconnect and fanout improvements

syzbot ci has tested the following series [v1] net/rds: RDS-TCP reconnect and fanout improvements

Feb 6

Feb 6

[syzbot ci] Re: net: sched: refactor qdisc drop reasons into dedicated tracepoint

syzbot ci has tested the following series [v2] net: sched: refactor qdisc drop reasons into dedicated

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[syzbot ci] Re: net: sched: refactor qdisc drop reasons into dedicated tracepoint

syzbot ci has tested the following series [v2] net: sched: refactor qdisc drop reasons into dedicated

Feb 6

syzbot, … OGAWA Hirofumi3

Feb 6

[syzbot] [exfat?] KCSAN: data-race in fat12_ent_put / fat_mirror_bhs

syzbot <syzbot+51b4c6...@syzkaller.appspotmail.com> writes: > Hello, > >

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[syzbot] [exfat?] KCSAN: data-race in fat12_ent_put / fat_mirror_bhs

syzbot <syzbot+51b4c6...@syzkaller.appspotmail.com> writes: > Hello, > >

Feb 6

syzbot, … Edward Adam Davis8

Feb 6

[syzbot] [fuse?] KMSAN: uninit-value in fuse_fileattr_get

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

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[syzbot] [fuse?] KMSAN: uninit-value in fuse_fileattr_get

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

Feb 6

syzbot, Dmitry Vyukov2

Feb 6

[syzbot] [smc?] KCSAN: data-race in smc_switch_to_fallback / sock_poll (2)

On Fri, 6 Feb 2026 at 07:16, syzbot <syzbot+198c20...@syzkaller.appspotmail.com>

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[syzbot] [smc?] KCSAN: data-race in smc_switch_to_fallback / sock_poll (2)

On Fri, 6 Feb 2026 at 07:16, syzbot <syzbot+198c20...@syzkaller.appspotmail.com>

Feb 6

Feb 5

[syzbot] [net?] [usb?] WARNING: ODEBUG bug in trace_suspend_resume

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

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[syzbot] [net?] [usb?] WARNING: ODEBUG bug in trace_suspend_resume

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

Feb 5

syzbot, John Hubbard2

Feb 5

[syzbot] [mm?] possible deadlock in gup_fast_fallback (2)

#syz fix: procfs: avoid fetching build ID while holding VMA lock On 2/5/26 1:44 PM, syzbot wrote:

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[syzbot] [mm?] possible deadlock in gup_fast_fallback (2)

#syz fix: procfs: avoid fetching build ID while holding VMA lock On 2/5/26 1:44 PM, syzbot wrote:

Feb 5

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