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

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4:00 PM

[syzbot] [net?] WARNING in ip_rt_bug (3)

Hello, syzbot found the following issue on: HEAD commit: fcee7d82f27d Merge tag 'net-7.1-rc3'

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[syzbot] [net?] WARNING in ip_rt_bug (3)

Hello, syzbot found the following issue on: HEAD commit: fcee7d82f27d Merge tag 'net-7.1-rc3'

4:00 PM

2:53 PM

[syzbot] [net?] possible deadlock in __sk_receive_skb

Hello, syzbot found the following issue on: HEAD commit: 97e797263a5e Add linux-next specific files

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[syzbot] [net?] possible deadlock in __sk_receive_skb

Hello, syzbot found the following issue on: HEAD commit: 97e797263a5e Add linux-next specific files

2:53 PM

1:48 PM

[syzbot] [net?] WARNING in stack_depot_save_flags (2)

Hello, syzbot found the following issue on: HEAD commit: 70eda68668d1 Merge tag 'hid-for-linus-

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[syzbot] [net?] WARNING in stack_depot_save_flags (2)

Hello, syzbot found the following issue on: HEAD commit: 70eda68668d1 Merge tag 'hid-for-linus-

1:48 PM

11:35 AM

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

> #syz test This crash does not have a reproducer. I cannot test it. > > Drain rx_work in

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

> #syz test This crash does not have a reproducer. I cannot test it. > > Drain rx_work in

11:35 AM

10:24 AM

[syzbot] [wireless?] WARNING: ODEBUG bug in ieee80211_led_exit (2)

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

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[syzbot] [wireless?] WARNING: ODEBUG bug in ieee80211_led_exit (2)

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

10:24 AM

syzbot, Dmitry Vyukov4

10:17 AM

[syzbot] [wpan?] WARNING in cfg802154_switch_netns (3)

On Tue, 19 May 2026 at 16:08, syzbot <syzbot+bd5829...@syzkaller.appspotmail.com>

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[syzbot] [wpan?] WARNING in cfg802154_switch_netns (3)

On Tue, 19 May 2026 at 16:08, syzbot <syzbot+bd5829...@syzkaller.appspotmail.com>

10:17 AM

10:14 AM

[syzbot] [net?] WARNING in netif_rx_mode_run

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

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[syzbot] [net?] WARNING in netif_rx_mode_run

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

10:14 AM

9:09 AM

[syzbot] [ntfs3?] WARNING in do_symlinkat (2)

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

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[syzbot] [ntfs3?] WARNING in do_symlinkat (2)

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

9:09 AM

9:01 AM

[syzbot] [kvm?] [kvm-x86?] KASAN: use-after-free Read in kvm_xen_shared_info_init

Hello, syzbot found the following issue on: HEAD commit: 4d3a2a466b8d HID: core: Fix size_t specifier

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[syzbot] [kvm?] [kvm-x86?] KASAN: use-after-free Read in kvm_xen_shared_info_init

Hello, syzbot found the following issue on: HEAD commit: 4d3a2a466b8d HID: core: Fix size_t specifier

9:01 AM

8:52 AM

Re: [syzbot] [input?] [usb?] KASAN: slab-use-after-free Read in hidraw_report_event

> #syz test This crash does not have a reproducer. I cannot test it. > > Quiesce HID input

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Re: [syzbot] [input?] [usb?] KASAN: slab-use-after-free Read in hidraw_report_event

> #syz test This crash does not have a reproducer. I cannot test it. > > Quiesce HID input

8:52 AM

7:56 AM

[syzbot] [netfilter?] BUG: using smp_processor_id() in preemptible code in cpu_mt

Hello, syzbot found the following issue on: HEAD commit: 50d00ea66086 Merge branch 'bpf-follow-up

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[syzbot] [netfilter?] BUG: using smp_processor_id() in preemptible code in cpu_mt

Hello, syzbot found the following issue on: HEAD commit: 50d00ea66086 Merge branch 'bpf-follow-up

7:56 AM

syzbot, … Wolfram Sang7

5:43 AM

[syzbot] [input?] KASAN: stack-out-of-bounds Read in ft260_smbus_write

Hi, thanks for your patch! On Tue, Jan 20, 2026 at 09:47:02PM +0800, Edward Adam Davis wrote: >

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[syzbot] [input?] KASAN: stack-out-of-bounds Read in ft260_smbus_write

Hi, thanks for your patch! On Tue, Jan 20, 2026 at 09:47:02PM +0800, Edward Adam Davis wrote: >

5:43 AM

syzbot, Edward Adam Davis5

5:06 AM

[syzbot] [net?] INFO: task hung in svc_listen (2)

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

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[syzbot] [net?] INFO: task hung in svc_listen (2)

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

5:06 AM

5:00 AM

[syzbot] [btrfs?] WARNING in btrfs_commit_transaction (2)

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

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[syzbot] [btrfs?] WARNING in btrfs_commit_transaction (2)

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

5:00 AM

3:04 AM

[syzbot] [bpf?] inconsistent lock state in bpf_lru_push_free

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

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[syzbot] [bpf?] inconsistent lock state in bpf_lru_push_free

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

3:04 AM

syzbot ci, syzbot ci2

2:59 AM

[syzbot ci] Re: vfs: add O_CREAT|O_DIRECTORY to open*(2)

syzbot ci has tested the following series [v4] vfs: add O_CREAT|O_DIRECTORY to open*(2) https://lore.

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[syzbot ci] Re: vfs: add O_CREAT|O_DIRECTORY to open*(2)

syzbot ci has tested the following series [v4] vfs: add O_CREAT|O_DIRECTORY to open*(2) https://lore.

2:59 AM

2:58 AM

[syzbot ci] Re: Introduce Per-CPU Work helpers (was QPW)

syzbot ci has tested the following series [v4] Introduce Per-CPU Work helpers (was QPW) https://lore.

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[syzbot ci] Re: Introduce Per-CPU Work helpers (was QPW)

syzbot ci has tested the following series [v4] Introduce Per-CPU Work helpers (was QPW) https://lore.

2:58 AM

syzbot, Dmitry Vyukov3

2:52 AM

[syzbot] [fs?] WARNING: suspicious RCU usage in proc_sys_compare

It looks like this was only present in linux-next for a brief period of time: #syz invalid

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[syzbot] [fs?] WARNING: suspicious RCU usage in proc_sys_compare

It looks like this was only present in linux-next for a brief period of time: #syz invalid

2:52 AM

syzbot, Ido Schimmel2

2:40 AM

[syzbot] [net?] general protection fault in arp_create (4)

+ batman maintainers On Sun, May 17, 2026 at 09:54:28AM -0700, syzbot wrote: > Hello, > >

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[syzbot] [net?] general protection fault in arp_create (4)

+ batman maintainers On Sun, May 17, 2026 at 09:54:28AM -0700, syzbot wrote: > Hello, > >

2:40 AM

1:54 AM

[syzbot] [ext4?] possible deadlock in ext4_map_blocks (3)

Hello, syzbot found the following issue on: HEAD commit: 66182ca873a4 Merge tag 'net-7.1-rc4'

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[syzbot] [ext4?] possible deadlock in ext4_map_blocks (3)

Hello, syzbot found the following issue on: HEAD commit: 66182ca873a4 Merge tag 'net-7.1-rc4'

1:54 AM

12:32 AM

[syzbot] Monthly perf report (May 2026)

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

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[syzbot] Monthly perf report (May 2026)

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

12:32 AM

Zhou, Yun, syzbot2

May 18

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

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

May 18

May 18

[syzbot] [net?] [usb?] INFO: task hung in usbnet_disconnect (3)

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?] INFO: task hung in usbnet_disconnect (3)

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

May 18

Hillf Danton, … Luiz Augusto von Dentz5

May 18

Re: [PATCH] Bluetooth: hci_core: Don't queue tx_work while draining workqueue

Hi Heitor, On Mon, May 18, 2026 at 11:21 AM Heitor Alves de Siqueira <hal...@igalia.com> wrote:

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Re: [PATCH] Bluetooth: hci_core: Don't queue tx_work while draining workqueue

Hi Heitor, On Mon, May 18, 2026 at 11:21 AM Heitor Alves de Siqueira <hal...@igalia.com> wrote:

May 18

syzbot, … Dmitry Vyukov3

May 18

[syzbot] [exfat?] WARNING in msdos_rmdir

On Mon, 12 Jan 2026 at 17:15, OGAWA Hirofumi <hiro...@mail.parknet.co.jp> wrote: > >

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[syzbot] [exfat?] WARNING in msdos_rmdir

On Mon, 12 Jan 2026 at 17:15, OGAWA Hirofumi <hiro...@mail.parknet.co.jp> wrote: > >

May 18

May 18

[syzbot] [net?] [nfc?] KMSAN: uninit-value in nci_dev_up (3)

Hello, syzbot found the following issue on: HEAD commit: e1914add2799 Merge tag 'for-linus'

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[syzbot] [net?] [nfc?] KMSAN: uninit-value in nci_dev_up (3)

Hello, syzbot found the following issue on: HEAD commit: e1914add2799 Merge tag 'for-linus'

May 18

syzbot ci, Eric Dumazet2

May 18

[syzbot ci] Re: rtnetlink: RTNL avoidance in rtnl_getlink()

On Mon, May 18, 2026 at 9:38 AM syzbot ci <syzbot+ci0e3...@syzkaller.appspotmail.com>

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[syzbot ci] Re: rtnetlink: RTNL avoidance in rtnl_getlink()

On Mon, May 18, 2026 at 9:38 AM syzbot ci <syzbot+ci0e3...@syzkaller.appspotmail.com>

May 18

May 18

general protection fault in skb_release_data (2)

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

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general protection fault in skb_release_data (2)

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

May 18

syzbot, … Christian Schoenebeck12

May 18

[syzbot] [v9fs?] WARNING in __alloc_frozen_pages_noprof

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

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[syzbot] [v9fs?] WARNING in __alloc_frozen_pages_noprof

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

May 18

May 18

[syzbot] [bridge?] WARNING in br_fill_linkxstats

Hello, syzbot found the following issue on: HEAD commit: 627ac78f2741 ipv6: addrconf: bail out of

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[syzbot] [bridge?] WARNING in br_fill_linkxstats

Hello, syzbot found the following issue on: HEAD commit: 627ac78f2741 ipv6: addrconf: bail out of

May 18

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