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

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6:02 PM

[syzbot] [mm?] INFO: rcu detected stall in __dentry_kill

syzbot has found a reproducer for the following issue on: HEAD commit: 9772589b57e4 netlabel:

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[syzbot] [mm?] INFO: rcu detected stall in __dentry_kill

syzbot has found a reproducer for the following issue on: HEAD commit: 9772589b57e4 netlabel:

6:02 PM

4:32 PM

[syzbot] Monthly kvm report (Jun 2026)

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

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[syzbot] Monthly kvm report (Jun 2026)

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

4:32 PM

syzbot, … Carlos López9

11:07 AM

[syzbot] [kvm?] [kvm-x86?] INFO: rcu detected stall in kvm_vcpu_ioctl (4)

#syz test: https://github.com/00xc/linux.git kvm/x86/hyperv-stimer-overflow

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[syzbot] [kvm?] [kvm-x86?] INFO: rcu detected stall in kvm_vcpu_ioctl (4)

#syz test: https://github.com/00xc/linux.git kvm/x86/hyperv-stimer-overflow

11:07 AM

11:07 AM

[PATCH] wifi: ath9k: hif_usb: don't dereference hif_dev after re-arming firmware request

From: Cheng Yongkang <teel...@gmail.com> ath9k_hif_request_firmware() re-arms an asynchronous

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[PATCH] wifi: ath9k: hif_usb: don't dereference hif_dev after re-arming firmware request

From: Cheng Yongkang <teel...@gmail.com> ath9k_hif_request_firmware() re-arms an asynchronous

11:07 AM

8:11 AM

[syzbot] [bridge?] KASAN: use-after-free Read in qdisc_pkt_len_segs_init

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

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[syzbot] [bridge?] KASAN: use-after-free Read in qdisc_pkt_len_segs_init

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

8:11 AM

2:33 AM

[syzbot] [net?] KASAN: slab-use-after-free Read in sit_tunnel_xmit

Hello, syzbot found the following issue on: HEAD commit: c93952cc0034 Merge branch 'intel-wired-

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[syzbot] [net?] KASAN: slab-use-after-free Read in sit_tunnel_xmit

Hello, syzbot found the following issue on: HEAD commit: c93952cc0034 Merge branch 'intel-wired-

2:33 AM

1:29 AM

[syzbot] [rdma?] WARNING in rdma_restrack_clean (2)

Hello, syzbot found the following issue on: HEAD commit: 4b4362973b6f Merge branch 'for-next/core

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[syzbot] [rdma?] WARNING in rdma_restrack_clean (2)

Hello, syzbot found the following issue on: HEAD commit: 4b4362973b6f Merge branch 'for-next/core

1:29 AM

syzbot, Hillf Danton5

Jun 6

[syzbot] [v9fs?] WARNING: refcount bug in p9_req_put (4)

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

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[syzbot] [v9fs?] WARNING: refcount bug in p9_req_put (4)

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

Jun 6

syzbot, Andrew Morton2

Jun 6

[syzbot] [mm?] upstream test error: WARNING in call_timer_fn

On Sat, 06 Jun 2026 12:06:32 -0700 syzbot <syzbot+8b331c...@syzkaller.appspotmail.com

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[syzbot] [mm?] upstream test error: WARNING in call_timer_fn

On Sat, 06 Jun 2026 12:06:32 -0700 syzbot <syzbot+8b331c...@syzkaller.appspotmail.com

Jun 6

Jun 6

[syzbot] [kernel?] WARNING in __run_timer_base (2)

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 __run_timer_base (2)

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

Jun 6

Jun 6

[syzbot] [crypto?] KMSAN: uninit-value in sw842_compress (2)

Hello, syzbot found the following issue on: HEAD commit: 6f3ed7fec72f Merge tag 'for-7.1/dm-fixes

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[syzbot] [crypto?] KMSAN: uninit-value in sw842_compress (2)

Hello, syzbot found the following issue on: HEAD commit: 6f3ed7fec72f Merge tag 'for-7.1/dm-fixes

Jun 6

Jun 6

[syzbot ci] Re: vsock/virtio: fix memory leak in virtio_transport_recv_listen

syzbot ci has tested the following series [v1] vsock/virtio: fix memory leak in

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[syzbot ci] Re: vsock/virtio: fix memory leak in virtio_transport_recv_listen

syzbot ci has tested the following series [v1] vsock/virtio: fix memory leak in

Jun 6

Jun 6

[syzbot] Monthly cgroups report (Jun 2026)

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

unread,

[syzbot] Monthly cgroups report (Jun 2026)

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

Jun 6

Jun 6

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

Hello, syzbot found the following issue on: HEAD commit: f7af91adc230 Add linux-next specific files

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

Hello, syzbot found the following issue on: HEAD commit: f7af91adc230 Add linux-next specific files

Jun 6

Jun 5

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

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

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

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

Jun 5

Jun 5

Re: [syzbot] [kvm?] [kvm-x86?] INFO: rcu detected stall in kvm_vcpu_ioctl (4)

Hello, syzbot tried to test the proposed patch but the build/boot failed: failed to apply patch:

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Re: [syzbot] [kvm?] [kvm-x86?] INFO: rcu detected stall in kvm_vcpu_ioctl (4)

Hello, syzbot tried to test the proposed patch but the build/boot failed: failed to apply patch:

Jun 5

Jun 4

[syzbot] [overlayfs?] [ext4?] possible deadlock in lock_two_nondirectories (2)

Hello, syzbot found the following issue on: HEAD commit: ba3e43a9e601 Merge tag 'soc-fixes-7.1-2

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[syzbot] [overlayfs?] [ext4?] possible deadlock in lock_two_nondirectories (2)

Hello, syzbot found the following issue on: HEAD commit: ba3e43a9e601 Merge tag 'soc-fixes-7.1-2

Jun 4

syzbot, … Dmitry Vyukov6

Jun 4

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

On Mon, 2 Mar 2026 at 14:26, 'Marc Zyngier' via syzkaller <syzk...@googlegroups.com>

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

On Mon, 2 Mar 2026 at 14:26, 'Marc Zyngier' via syzkaller <syzk...@googlegroups.com>

Jun 4

syzbot, … Christian Brauner12

Jun 4

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

On Fri, 29 May 2026 22:25:33 +0800, Zhan Wei wrote: > Commit e09c77d94003 ("eventpoll: hoist

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

On Fri, 29 May 2026 22:25:33 +0800, Zhan Wei wrote: > Commit e09c77d94003 ("eventpoll: hoist

Jun 4

syzbot, Miklos Szeredi2

Jun 4

[syzbot] [fuse?] general protection fault in fuse_dev_release

On Mon, 1 Jun 2026 at 12:27, syzbot <syzbot+5bfc77...@syzkaller.appspotmail.com>

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[syzbot] [fuse?] general protection fault in fuse_dev_release

On Mon, 1 Jun 2026 at 12:27, syzbot <syzbot+5bfc77...@syzkaller.appspotmail.com>

Jun 4

Jun 4

[syzbot] [ocfs2?] possible deadlock in ocfs2_remove_refcount_tree

Hello, syzbot found the following issue on: HEAD commit: 174914ea5513 Merge tag 'v7.1-rc6-smb3-

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[syzbot] [ocfs2?] possible deadlock in ocfs2_remove_refcount_tree

Hello, syzbot found the following issue on: HEAD commit: 174914ea5513 Merge tag 'v7.1-rc6-smb3-

Jun 4

Jun 4

Re: [syzbot] [ocfs2?] kernel BUG in ocfs2_iget

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

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Re: [syzbot] [ocfs2?] kernel BUG in ocfs2_iget

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

Jun 4

syzbot, Lizhi Xu18

Jun 4

[syzbot] [ocfs2?] kernel BUG in ocfs2_iget

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

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[syzbot] [ocfs2?] kernel BUG in ocfs2_iget

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

Jun 4

Jun 4

[syzbot] Monthly block report (Jun 2026)

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

unread,

[syzbot] Monthly block report (Jun 2026)

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

Jun 4

syzbot, … Michael S. Tsirkin3

Jun 4

[syzbot] [mm?] linux-next test error: kernel BUG in post_alloc_hook

On Wed, Jun 03, 2026 at 03:47:37PM -0700, Andrew Morton wrote: > (cc Mike Tsirkin) > > On

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[syzbot] [mm?] linux-next test error: kernel BUG in post_alloc_hook

On Wed, Jun 03, 2026 at 03:47:37PM -0700, Andrew Morton wrote: > (cc Mike Tsirkin) > > On

Jun 4

Jun 3

[syzbot] [bluetooth?] possible deadlock in l2cap_info_timeout

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

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[syzbot] [bluetooth?] possible deadlock in l2cap_info_timeout

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

Jun 3

syzbot, Oliver Hartkopp2

Jun 3

[syzbot] [can?] memory leak in can_rx_register

Hi, I don't see any CAN netdevice name in the logs. So it is likely some bonding/teaming magic

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[syzbot] [can?] memory leak in can_rx_register

Hi, I don't see any CAN netdevice name in the logs. So it is likely some bonding/teaming magic

Jun 3

syzbot, Jie Wang2

Jun 3

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

jfs_flush_journal(log, 2) waits for log->cqueue and log->synclist to drain, but lazy commit

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

jfs_flush_journal(log, 2) waits for log->cqueue and log->synclist to drain, but lazy commit

Jun 3

syzbot, … Alexander Potapenko5

Jun 3

[syzbot] [trace?] KASAN: use-after-free Write in ring_buffer_read_page

On Wed, Jun 3, 2026 at 8:38 AM Aleksandr Nogikh <nog...@google.com> wrote: > > On Wed,

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[syzbot] [trace?] KASAN: use-after-free Write in ring_buffer_read_page

On Wed, Jun 3, 2026 at 8:38 AM Aleksandr Nogikh <nog...@google.com> wrote: > > On Wed,

Jun 3

Jun 3

[syzbot] [wpan?] KMSAN: uninit-value in lowpan_xmit

Hello, syzbot found the following issue on: HEAD commit: e8c2f9fdadee Merge tag 'for-7.1/hpfs-

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[syzbot] [wpan?] KMSAN: uninit-value in lowpan_xmit

Hello, syzbot found the following issue on: HEAD commit: e8c2f9fdadee Merge tag 'for-7.1/hpfs-

Jun 3

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