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

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Haseeb Malik via B4 Relay, … patchwork-b...@kernel.org11

9:22 AM

[PATCH net] macsec: initialize SecY before registering the netdevice

Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni <pab...@redhat.com>: On

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[PATCH net] macsec: initialize SecY before registering the netdevice

Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni <pab...@redhat.com>: On

9:22 AM

9:03 AM

[syzbot] [f2fs?] UBSAN: shift-out-of-bounds in __f2fs_commit_super

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

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[syzbot] [f2fs?] UBSAN: shift-out-of-bounds in __f2fs_commit_super

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

9:03 AM

syzbot, … syzbot ci6

8:27 AM

[PATCH] ring-buffer: Fix false warning in ring_buffer_map_get_reader()

syzbot ci has tested the following series [v2] ring-buffer: Fix false warning in

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[PATCH] ring-buffer: Fix false warning in ring_buffer_map_get_reader()

syzbot ci has tested the following series [v2] ring-buffer: Fix false warning in

8:27 AM

syzbot, Sergey Senozhatsky2

6:09 AM

[syzbot] [block?] WARNING: zero-size vmalloc in disksize_store

On (26/09/21 08:53), syzbot wrote: > Hello, > > syzbot found the following issue on: >

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[syzbot] [block?] WARNING: zero-size vmalloc in disksize_store

On (26/09/21 08:53), syzbot wrote: > Hello, > > syzbot found the following issue on: >

6:09 AM

syzbot, … Lance Yang6

5:27 AM

[syzbot] [mm?] [ext4?] WARNING in __folio_set_anon

On 2026/9/24 16:52, Lorenzo Stoakes (ARM) wrote: > On Thu, Sep 24, 2026 at 09:50:02AM +0200, David

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[syzbot] [mm?] [ext4?] WARNING in __folio_set_anon

On 2026/9/24 16:52, Lorenzo Stoakes (ARM) wrote: > On Thu, Sep 24, 2026 at 09:50:02AM +0200, David

5:27 AM

12:39 AM

[syzbot] [usb?] INFO: task hung in usbatm_usb_disconnect (2)

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

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[syzbot] [usb?] INFO: task hung in usbatm_usb_disconnect (2)

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

12:39 AM

12:33 AM

[syzbot] Monthly input report (Sep 2026)

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

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[syzbot] Monthly input report (Sep 2026)

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

12:33 AM

Paolo Bertinetti, Ming Lei2

Sep 23

[PATCH] ublk: hold RCU read lock in ublk_try_buf_match()

On Tue, Sep 22, 2026 at 1:17 PM Paolo Bertinetti <paoloberti...@proton.me> wrote: >

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[PATCH] ublk: hold RCU read lock in ublk_try_buf_match()

On Tue, Sep 22, 2026 at 1:17 PM Paolo Bertinetti <paoloberti...@proton.me> wrote: >

Sep 23

syzbot ci, syzbot ci2

Sep 23

[syzbot ci] Re: net: opt loopback into instance locking

syzbot ci has tested the following series [v2] net: opt loopback into instance locking https://lore.

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[syzbot ci] Re: net: opt loopback into instance locking

syzbot ci has tested the following series [v2] net: opt loopback into instance locking https://lore.

Sep 23

Sep 23

[syzbot] [arm?] BUG: workqueue lockup in wg_packet_encrypt_worker

syzbot has found a reproducer for the following issue on: HEAD commit: 7dc79bb50ab6 Merge branch

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[syzbot] [arm?] BUG: workqueue lockup in wg_packet_encrypt_worker

syzbot has found a reproducer for the following issue on: HEAD commit: 7dc79bb50ab6 Merge branch

Sep 23

Sep 23

[syzbot] [ntfs3?] INFO: task hung in freeze_super (7)

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

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[syzbot] [ntfs3?] INFO: task hung in freeze_super (7)

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

Sep 23

Sep 23

[syzbot] [kernel?] KASAN: slab-use-after-free Read in __setup_irq

Hello, syzbot found the following issue on: HEAD commit: fe2ec83746e5 Merge tag 'hid-for-linus-

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[syzbot] [kernel?] KASAN: slab-use-after-free Read in __setup_irq

Hello, syzbot found the following issue on: HEAD commit: fe2ec83746e5 Merge tag 'hid-for-linus-

Sep 23

Sep 23

Re: [syzbot] [block?] WARNING in blk_mq_free_tag_set

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

unread,

Re: [syzbot] [block?] WARNING in blk_mq_free_tag_set

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

Sep 23

Sep 23

[syzbot] [block?] WARNING in blk_mq_free_tag_set

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

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[syzbot] [block?] WARNING in blk_mq_free_tag_set

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

Sep 23

syzbot, … Hillf Danton42

Sep 23

[syzbot] [ntfs3?] KASAN: slab-use-after-free Read in chrdev_open

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

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[syzbot] [ntfs3?] KASAN: slab-use-after-free Read in chrdev_open

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

Sep 23

Sep 23

[syzbot] [kernel?] KCSAN: data-race in __mmput / copy_mm (4)

Hello, syzbot found the following issue on: HEAD commit: fe2ec83746e5 Merge tag 'hid-for-linus-

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[syzbot] [kernel?] KCSAN: data-race in __mmput / copy_mm (4)

Hello, syzbot found the following issue on: HEAD commit: fe2ec83746e5 Merge tag 'hid-for-linus-

Sep 23

Sep 23

[syzbot ci] Re: Type2 multipf support

syzbot ci has tested the following series [v1] Type2 multipf support https://lore.kernel.org/all/

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[syzbot ci] Re: Type2 multipf support

syzbot ci has tested the following series [v1] Type2 multipf support https://lore.kernel.org/all/

Sep 23

Sep 23

[syzbot] [input?] general protection fault in wacom_intuos_irq

Hello, syzbot found the following issue on: HEAD commit: 50d05c7c76c9 Merge tag 'landlock-7.3-rc3

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[syzbot] [input?] general protection fault in wacom_intuos_irq

Hello, syzbot found the following issue on: HEAD commit: 50d05c7c76c9 Merge tag 'landlock-7.3-rc3

Sep 23

Sep 23

[syzbot] [ocfs2?] possible deadlock in vfs_rename (3)

Hello, syzbot found the following issue on: HEAD commit: 40288c9206c1 Merge tag 'drm-fixes-2026-

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[syzbot] [ocfs2?] possible deadlock in vfs_rename (3)

Hello, syzbot found the following issue on: HEAD commit: 40288c9206c1 Merge tag 'drm-fixes-2026-

Sep 23

Sep 23

[syzbot] [raid?] general protection fault in ppl_write_stripe_run

Hello, syzbot found the following issue on: HEAD commit: 50d05c7c76c9 Merge tag 'landlock-7.3-rc3

unread,

[syzbot] [raid?] general protection fault in ppl_write_stripe_run

Hello, syzbot found the following issue on: HEAD commit: 50d05c7c76c9 Merge tag 'landlock-7.3-rc3

Sep 23

Ryusuke Konishi

Sep 23

[PATCH] nilfs2: fix deadlock between nilfs_evict_inode() and find_inode()

Syzbot reported a deadlock between nilfs_evict_inode(), executed via an asynchronous workqueue (

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[PATCH] nilfs2: fix deadlock between nilfs_evict_inode() and find_inode()

Syzbot reported a deadlock between nilfs_evict_inode(), executed via an asynchronous workqueue (

Sep 23

Eric Dumazet, Yunseong Kim3

Sep 23

Re: [PATCH] ipv4: guard inetdev_event() against a NULL from inetdev_init()

Hi Eric, Thanks for the review. On 21/09/2026 6:09 pm, Eric Dumazet wrote: > On Mon, Sep 21, 2026

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Re: [PATCH] ipv4: guard inetdev_event() against a NULL from inetdev_init()

Hi Eric, Thanks for the review. On 21/09/2026 6:09 pm, Eric Dumazet wrote: > On Mon, Sep 21, 2026

Sep 23

syzbot, Paolo Bertinetti3

Sep 23

[syzbot] [block?] WARNING: suspicious RCU usage in mas_start (2)

#syz test: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master diff --git a/

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[syzbot] [block?] WARNING: suspicious RCU usage in mas_start (2)

#syz test: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master diff --git a/

Sep 23

syzbot, Adarsh Das18

Sep 23

[syzbot] [ntfs3?] WARNING in ntfs_evict_inode

ntfs3 registers iomap page-cache helpers for its regular files. When the filesystem block size is

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[syzbot] [ntfs3?] WARNING in ntfs_evict_inode

ntfs3 registers iomap page-cache helpers for its regular files. When the filesystem block size is

Sep 23

syzbot, Mikulas Patocka2

Sep 23

[syzbot] [dm?] KASAN: slab-use-after-free Read in dm_table_get_mode

On Tue, 22 Sep 2026, syzbot wrote: > Hello, > > syzbot found the following issue on: >

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[syzbot] [dm?] KASAN: slab-use-after-free Read in dm_table_get_mode

On Tue, 22 Sep 2026, syzbot wrote: > Hello, > > syzbot found the following issue on: >

Sep 23

syzbot, … Shuah Khan18

Sep 23

[syzbot] [usb?] KASAN: slab-use-after-free Read in stub_rx_loop

On 8/26/26 19:21, Edward Adam Davis wrote: > The num_urbs is 1, and the request is not special, so

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[syzbot] [usb?] KASAN: slab-use-after-free Read in stub_rx_loop

On 8/26/26 19:21, Edward Adam Davis wrote: > The num_urbs is 1, and the request is not special, so

Sep 23

syzbot, … Greg KH17

Sep 23

[syzbot] [kernel?] KASAN: global-out-of-bounds Read in bus_uevent_store

On Wed, Sep 23, 2026 at 06:55:22PM +0800, Edward Adam Davis wrote: > The user writes to the

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[syzbot] [kernel?] KASAN: global-out-of-bounds Read in bus_uevent_store

On Wed, Sep 23, 2026 at 06:55:22PM +0800, Edward Adam Davis wrote: > The user writes to the

Sep 23

Sep 23

[syzbot] [autofs?] possible deadlock in anon_pipe_prefill_and_lock

syzbot has found a reproducer for the following issue on: HEAD commit: fe2ec83746e5 Merge tag '

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[syzbot] [autofs?] possible deadlock in anon_pipe_prefill_and_lock

syzbot has found a reproducer for the following issue on: HEAD commit: fe2ec83746e5 Merge tag '

Sep 23

syzbot, … Ian Abbott8

Sep 23

[syzbot] [comedi?] UBSAN: shift-out-of-bounds in dt2811_attach

On 2026-09-22 10:19, Pei Xiao wrote: > The IRQ number passed via comedi_devconfig->options[1]

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[syzbot] [comedi?] UBSAN: shift-out-of-bounds in dt2811_attach

On 2026-09-22 10:19, Pei Xiao wrote: > The IRQ number passed via comedi_devconfig->options[1]

Sep 23

Sep 23

[syzbot] [wireless?] BUG: workqueue lockup in reg_todo

Hello, syzbot found the following issue on: HEAD commit: 38872197cae2 Merge branch 'for-next/

unread,

[syzbot] [wireless?] BUG: workqueue lockup in reg_todo

Hello, syzbot found the following issue on: HEAD commit: 38872197cae2 Merge branch 'for-next/

Sep 23

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