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

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syzbot, Jie Wang3

3:01 PM

[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 '

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[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 '

3:01 PM

3:00 PM

[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.

3:00 PM

syzbot, Sean Christopherson3

12:17 PM

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

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

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

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

12:17 PM

syzbot, … David Howells13

9:16 AM

[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

9:16 AM

wuyankun, Ryusuke Konishi3

6:43 AM

[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

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[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

6:43 AM

syzbot, … wuyankun5

5:49 AM

[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

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[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

5:49 AM

4:49 AM

[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-

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[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-

4:49 AM

syzbot, Thomas Gleixner2

3:07 AM

[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

3:07 AM

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-

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[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

Jun 24

[syzbot] [kernel?] WARNING in _cpu_up

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

unread,

[syzbot] [kernel?] WARNING in _cpu_up

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

Jun 24

syzbot ci, … syzbot ci7

Jun 24

[syzbot ci] Re: Data in direntry (dirdata) feature

syzbot ci has tested the following series [v4] Data in direntry (dirdata) feature https://lore.kernel

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[syzbot ci] Re: Data in direntry (dirdata) feature

syzbot ci has tested the following series [v4] Data in direntry (dirdata) feature https://lore.kernel

Jun 24

syzbot, … Tejun Heo7

Jun 24

[syzbot] [cgroups?] INFO: task hung in cgroup_subtree_control_write (2)

I tried to reproduce this locally with the syz reproducer on a matching PREEMPT_RT + KASAN build and

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[syzbot] [cgroups?] INFO: task hung in cgroup_subtree_control_write (2)

I tried to reproduce this locally with the syz reproducer on a matching PREEMPT_RT + KASAN build and

Jun 24

Jun 24

[syzbot] Monthly virt report (Jun 2026)

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

unread,

[syzbot] Monthly virt report (Jun 2026)

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

Jun 24

Jun 24

[syzbot] [btrfs?] kernel BUG in btrfs_alloc_ordered_extent

syzbot has found a reproducer for the following issue on: HEAD commit: 840ef6c78e6a Merge tag '

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[syzbot] [btrfs?] kernel BUG in btrfs_alloc_ordered_extent

syzbot has found a reproducer for the following issue on: HEAD commit: 840ef6c78e6a Merge tag '

Jun 24

syzbot, Hillf Danton4

Jun 24

[syzbot] [kernel?] WARNING in exit_mm

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

unread,

[syzbot] [kernel?] WARNING in exit_mm

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

Jun 24

syzbot, Jann Horn2

Jun 24

[syzbot] [fs?] KASAN: slab-use-after-free Read in d_alloc_parallel

On Sat, Jun 20, 2026 at 1:56 AM syzbot <syzbot+bcc49c...@syzkaller.appspotmail.com>

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[syzbot] [fs?] KASAN: slab-use-after-free Read in d_alloc_parallel

On Sat, Jun 20, 2026 at 1:56 AM syzbot <syzbot+bcc49c...@syzkaller.appspotmail.com>

Jun 24

syzbot, Sean Christopherson2

Jun 24

[PATCH] KVM: x86: Drop WARN_ON_ONCE() for concurrently disappearing interrupts

On Wed, Jun 24, 2026, syzbot wrote: > From: Alexander Potapenko <gli...@google.com> >

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[PATCH] KVM: x86: Drop WARN_ON_ONCE() for concurrently disappearing interrupts

On Wed, Jun 24, 2026, syzbot wrote: > From: Alexander Potapenko <gli...@google.com> >

Jun 24

syzbot, … Simon Horman28

Jun 24

[syzbot] [net?] kernel BUG in set_ipsecrequest

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

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[syzbot] [net?] kernel BUG in set_ipsecrequest

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

Jun 24

Jun 24

[syzbot ci] Re: net: clear transport header during tunnel decapsulation

syzbot ci has tested the following series [v1] net: clear transport header during tunnel

unread,

[syzbot ci] Re: net: clear transport header during tunnel decapsulation

syzbot ci has tested the following series [v1] net: clear transport header during tunnel

Jun 24

syzbot, Jan Kara2

Jun 24

[PATCH] udf: Mark LVID buffer as uptodate before marking it dirty

On Tue 23-06-26 12:30:52, syzbot wrote: > From: Aleksandr Nogikh <nog...@google.com> >

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[PATCH] udf: Mark LVID buffer as uptodate before marking it dirty

On Tue 23-06-26 12:30:52, syzbot wrote: > From: Aleksandr Nogikh <nog...@google.com> >

Jun 24

syzbot ci, Sam P2

Jun 24

[syzbot ci] Re: nfc: nci: fix uninit-value in nci_core_init_rsp_packet()

On 24/06/2026 09:13, syzbot ci wrote: > syzbot ci has tested the following series > > [v1]

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[syzbot ci] Re: nfc: nci: fix uninit-value in nci_core_init_rsp_packet()

On 24/06/2026 09:13, syzbot ci wrote: > syzbot ci has tested the following series > > [v1]

Jun 24

syzbot, … Jiri Olsa3

Jun 24

[syzbot] [trace?] general protection fault in mtree_load

On Mon, Jun 22, 2026 at 03:04:16PM +0200, Oleg Nesterov wrote: > On 06/21, syzbot wrote: > >

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[syzbot] [trace?] general protection fault in mtree_load

On Mon, Jun 22, 2026 at 03:04:16PM +0200, Oleg Nesterov wrote: > On 06/21, syzbot wrote: > >

Jun 24

Jun 24

[syzbot] [net?] WARNING in qdisc_pkt_len_segs_init

Hello, syzbot found the following issue on: HEAD commit: 9c87e61e3c57 Merge tag 'bpf-next-7.2

unread,

[syzbot] [net?] WARNING in qdisc_pkt_len_segs_init

Hello, syzbot found the following issue on: HEAD commit: 9c87e61e3c57 Merge tag 'bpf-next-7.2

Jun 24

Jun 23

[syzbot] [autofs?] possible deadlock in autofs_notify_daemon (2)

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

unread,

[syzbot] [autofs?] possible deadlock in autofs_notify_daemon (2)

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

Jun 23

Jun 23

[syzbot] Monthly net report (Jun 2026)

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

unread,

[syzbot] Monthly net report (Jun 2026)

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

Jun 23

Jun 23

[syzbot] Monthly gfs2 report (Jun 2026)

Hello gfs2 maintainers/developers, This is a 31-day syzbot report for the gfs2 subsystem. All related

unread,

[syzbot] Monthly gfs2 report (Jun 2026)

Hello gfs2 maintainers/developers, This is a 31-day syzbot report for the gfs2 subsystem. All related

Jun 23

Jun 23

[syzbot] Monthly mm report (Jun 2026)

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

unread,

[syzbot] Monthly mm report (Jun 2026)

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

Jun 23

Jun 23

[syzbot] [f2fs?] INFO: task hung in f2fs_write_inode

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

unread,

[syzbot] [f2fs?] INFO: task hung in f2fs_write_inode

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

Jun 23

syzbot ci, syzbot ci2

Jun 23

[syzbot ci] Re: namespace-aware configfs

syzbot ci has tested the following series [v3] namespace-aware configfs https://lore.kernel.org/all/

unread,

[syzbot ci] Re: namespace-aware configfs

syzbot ci has tested the following series [v3] namespace-aware configfs https://lore.kernel.org/all/

Jun 23

Jun 23

[syzbot ci] Re: ext4: deferred iput framework for EA inodes

syzbot ci has tested the following series [v9] ext4: deferred iput framework for EA inodes https://

unread,

[syzbot ci] Re: ext4: deferred iput framework for EA inodes

syzbot ci has tested the following series [v9] ext4: deferred iput framework for EA inodes https://

Jun 23

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