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

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12:54 PM

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

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

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

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

12:54 PM

12:41 PM

[syzbot] [kernel?] INFO: task hung in exit_aio (5)

Hello, syzbot found the following issue on: HEAD commit: 1d5dcaa3bd65 Merge tag 'probes-fixes-v7.

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[syzbot] [kernel?] INFO: task hung in exit_aio (5)

Hello, syzbot found the following issue on: HEAD commit: 1d5dcaa3bd65 Merge tag 'probes-fixes-v7.

12:41 PM

12:33 PM

[syzbot] [kernfs?] possible deadlock in kernfs_fop_write_iter (2)

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

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[syzbot] [kernfs?] possible deadlock in kernfs_fop_write_iter (2)

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

12:33 PM

7:12 AM

[syzbot] [fs?] [mm?] possible deadlock in hugetlbfs_fallocate

Hello, syzbot found the following issue on: HEAD commit: 1d5dcaa3bd65 Merge tag 'probes-fixes-v7.

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[syzbot] [fs?] [mm?] possible deadlock in hugetlbfs_fallocate

Hello, syzbot found the following issue on: HEAD commit: 1d5dcaa3bd65 Merge tag 'probes-fixes-v7.

7:12 AM

syzbot, Chao Yu13

5:26 AM

[syzbot] [f2fs?] kernel BUG in f2fs_write_end_io (2)

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

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[syzbot] [f2fs?] kernel BUG in f2fs_write_end_io (2)

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

5:26 AM

syzbot, … Zhu Yanjun44

12:32 AM

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

在 2026/5/16 20:27, Zhu Yanjun 写道: > > 在 2026/5/16 19:15, Kuniyuki Iwashima 写道: >> On Sat,

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

在 2026/5/16 20:27, Zhu Yanjun 写道: > > 在 2026/5/16 19:15, Kuniyuki Iwashima 写道: >> On Sat,

12:32 AM

May 16

[syzbot] [fs?] KCSAN: data-race in fill_mg_cmtime / inode_set_ctime_to_ts

Hello, syzbot found the following issue on: HEAD commit: 6916d5703ddf Merge tag 'drm-fixes-2026-

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[syzbot] [fs?] KCSAN: data-race in fill_mg_cmtime / inode_set_ctime_to_ts

Hello, syzbot found the following issue on: HEAD commit: 6916d5703ddf Merge tag 'drm-fixes-2026-

May 16

May 16

[syzbot] Monthly exfat report (May 2026)

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

unread,

[syzbot] Monthly exfat report (May 2026)

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

May 16

syzbot, Hillf Danton3

May 16

[syzbot] [kernel?] INFO: task hung in nsim_bus_dev_del

Hello, syzbot tried to test the proposed patch but the build/boot failed: can't ssh into the

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[syzbot] [kernel?] INFO: task hung in nsim_bus_dev_del

Hello, syzbot tried to test the proposed patch but the build/boot failed: can't ssh into the

May 16

May 16

[syzbot ci] Re: memcg: cache obj_stock by memcg, not by objcg pointer

syzbot ci has tested the following series [v1] memcg: cache obj_stock by memcg, not by objcg pointer

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[syzbot ci] Re: memcg: cache obj_stock by memcg, not by objcg pointer

syzbot ci has tested the following series [v1] memcg: cache obj_stock by memcg, not by objcg pointer

May 16

syzbot, … Dmitry Vyukov7

May 16

[syzbot] [bpf?] general protection fault in bpf_get_local_storage (2)

Hello, syzbot tried to test the proposed patch but the build/boot failed: failed to copy syz-execprog

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[syzbot] [bpf?] general protection fault in bpf_get_local_storage (2)

Hello, syzbot tried to test the proposed patch but the build/boot failed: failed to copy syz-execprog

May 16

syzbot, … Dmitry Vyukov9

May 16

[syzbot] [mm?] KMSAN: uninit-value in swap_writeout

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

unread,

[syzbot] [mm?] KMSAN: uninit-value in swap_writeout

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

May 16

May 15

[syzbot] [sound?] WARNING in update_rq_clock

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

unread,

[syzbot] [sound?] WARNING in update_rq_clock

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

May 15

Hillf Danton, … Luiz Augusto von Dentz3

May 15

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

Hi Heitor, On Thu, May 14, 2026 at 10:54 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 Thu, May 14, 2026 at 10:54 AM Heitor Alves de Siqueira <hal...@igalia.com> wrote:

May 15

May 15

[syzbot] [bluetooth?] WARNING in hci_conn_drop (4)

Hello, syzbot found the following issue on: HEAD commit: 5cbb61bf4168 arm64/fpsimd: ptrace: zero

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[syzbot] [bluetooth?] WARNING in hci_conn_drop (4)

Hello, syzbot found the following issue on: HEAD commit: 5cbb61bf4168 arm64/fpsimd: ptrace: zero

May 15

May 15

[syzbot] [karma?] kernel BUG in folio_set_bh (3)

I was able to reproduce this bug with the following C reproducer: // repro.c #include <fcntl.h>

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[syzbot] [karma?] kernel BUG in folio_set_bh (3)

I was able to reproduce this bug with the following C reproducer: // repro.c #include <fcntl.h>

May 15

syzbot, wuyankun2

May 15

Re: [PATCH] Bluetooth: hci_uart: serialize close flush with write_work

Please test this patch. #syz test: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.

unread,

Re: [PATCH] Bluetooth: hci_uart: serialize close flush with write_work

Please test this patch. #syz test: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.

May 15

May 15

Re: [PATCH net v2] ipv6: addrconf: skip autoconf on unregistering devices

Please test this v2 patch. From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001

unread,

Re: [PATCH net v2] ipv6: addrconf: skip autoconf on unregistering devices

Please test this v2 patch. From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001

May 15

May 15

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

Hello, syzbot found the following issue on: HEAD commit: 5d6919055dec Linux 7.1-rc3 git tree:

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

Hello, syzbot found the following issue on: HEAD commit: 5d6919055dec Linux 7.1-rc3 git tree:

May 15

syzbot, … Aleksandr Nogikh6

May 14

[syzbot] [net?] [v9fs?] WARNING: refcount bug in p9_req_put (3)

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

unread,

[syzbot] [net?] [v9fs?] WARNING: refcount bug in p9_req_put (3)

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

May 14

syzbot, Viacheslav Dubeyko2

May 14

[syzbot] [hfs?] WARNING in hfs_mdb_commit

On Wed, 2026-05-13 at 20:37 -0700, syzbot wrote: > Hello, > > syzbot found the following

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[syzbot] [hfs?] WARNING in hfs_mdb_commit

On Wed, 2026-05-13 at 20:37 -0700, syzbot wrote: > Hello, > > syzbot found the following

May 14

May 14

[syzbot ci] Re: netfilter: ipset fixes

syzbot ci has tested the following series [v7] netfilter: ipset fixes https://lore.kernel.org/all/

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[syzbot ci] Re: netfilter: ipset fixes

syzbot ci has tested the following series [v7] netfilter: ipset fixes https://lore.kernel.org/all/

May 14

May 14

Re: [PATCH v3] jfs: fix slab-out-of-bounds in dbAllocBits and dbFreeBits

Hi Dave, Gentle ping — it has been about 7 weeks since the submission. The patch has a Tested-by from

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Re: [PATCH v3] jfs: fix slab-out-of-bounds in dbAllocBits and dbFreeBits

Hi Dave, Gentle ping — it has been about 7 weeks since the submission. The patch has a Tested-by from

May 14

May 14

[syzbot] [net?] unregister_netdevice: waiting for DEV to become free (9)

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

unread,

[syzbot] [net?] unregister_netdevice: waiting for DEV to become free (9)

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

May 14

May 14

Re: [syzbot] [usb?] INFO: task hung in dvb_usbv2_probe

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

unread,

Re: [syzbot] [usb?] INFO: task hung in dvb_usbv2_probe

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

May 14

May 14

[syzbot] [usb?] INFO: task hung in dvb_usbv2_probe

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

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[syzbot] [usb?] INFO: task hung in dvb_usbv2_probe

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

May 14

syzbot, Tetsuo Handa2

May 14

[syzbot] [ext4?] BUG: sleeping function called from invalid context in mempool_alloc_noprof

#syz set subsystems: mm #syz dup: WARNING: bad unlock balance in do_wp_page

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[syzbot] [ext4?] BUG: sleeping function called from invalid context in mempool_alloc_noprof

#syz set subsystems: mm #syz dup: WARNING: bad unlock balance in do_wp_page

May 14

syzbot, … Al Viro13

May 14

[syzbot] possible deadlock in ntfs_fiemap

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

unread,

[syzbot] possible deadlock in ntfs_fiemap

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

May 14

May 14

[syzbot] [f2fs?] kernel BUG in f2fs_put_super (5)

Hello, syzbot found the following issue on: HEAD commit: ec8957276674 Merge tag 'hwmon-for-v7.1-

unread,

[syzbot] [f2fs?] kernel BUG in f2fs_put_super (5)

Hello, syzbot found the following issue on: HEAD commit: ec8957276674 Merge tag 'hwmon-for-v7.1-

May 14

May 13

Re: [PATCH] mm/hugetlb: fix deadlock in __hugetlb_zap_begin() by using trylock

On Thu, 14 May 2026 02:49:27 +0530 Kartik Nair wrote: > syzbot reported a circular locking

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Re: [PATCH] mm/hugetlb: fix deadlock in __hugetlb_zap_begin() by using trylock

On Thu, 14 May 2026 02:49:27 +0530 Kartik Nair wrote: > syzbot reported a circular locking

May 13

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