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

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syzbot, Edward Adam Davis4

5:34 AM

[syzbot] [io-uring?] [net?] WARNING: refcount bug in zcrx_unregister_user

#syz test diff --git a/io_uring/zcrx.cb/io_uring/zcrx.c index f1464ea8ca64..75f799f20818 100644 --- a

unread,

[syzbot] [io-uring?] [net?] WARNING: refcount bug in zcrx_unregister_user

#syz test diff --git a/io_uring/zcrx.cb/io_uring/zcrx.c index f1464ea8ca64..75f799f20818 100644 --- a

5:34 AM

5:08 AM

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

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

unread,

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

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

5:08 AM

4:52 AM

[syzbot] [net?] KCSAN: data-race in advance_sched / netdev_set_num_tc (2)

Hello, syzbot found the following issue on: HEAD commit: 06cf61899d64 Merge tag 'x86-urgent-2026-

unread,

[syzbot] [net?] KCSAN: data-race in advance_sched / netdev_set_num_tc (2)

Hello, syzbot found the following issue on: HEAD commit: 06cf61899d64 Merge tag 'x86-urgent-2026-

4:52 AM

syzbot, … Baolin Wang5

4:29 AM

[syzbot] [mm?] WARNING in set_mm_walk

On 8/11/26 12:39 PM, Shakeel Butt wrote: > On Mon, Aug 10, 2026 at 05:48:52PM -0700, Andrew Morton

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[syzbot] [mm?] WARNING in set_mm_walk

On 8/11/26 12:39 PM, Shakeel Butt wrote: > On Mon, Aug 10, 2026 at 05:48:52PM -0700, Andrew Morton

4:29 AM

Krystian Kaniewski, … Jason Gunthorpe8

4:19 AM

[PATCH net v3] RDMA/core: Reject unregistering netdevs in ib_get_eth_speed

Thanks. I have sent v4 patch rebased on top of for-next branch just a moment ago. On 8/11/2026 6:30

unread,

[PATCH net v3] RDMA/core: Reject unregistering netdevs in ib_get_eth_speed

Thanks. I have sent v4 patch rebased on top of for-next branch just a moment ago. On 8/11/2026 6:30

4:19 AM

syzbot, … Qing Wang9

4:15 AM

[syzbot] [perf?] WARNING: suspicious RCU usage in get_callchain_entry

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

unread,

[syzbot] [perf?] WARNING: suspicious RCU usage in get_callchain_entry

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

4:15 AM

syzbot, Ayushman Rout2

3:15 AM

[syzbot] [wireless?] BUG: unable to handle kernel paging request in trace_event_raw_event_drv_net_setup_tc

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

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[syzbot] [wireless?] BUG: unable to handle kernel paging request in trace_event_raw_event_drv_net_setup_tc

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

3:15 AM

syzbot, … Hui Su3

3:15 AM

[syzbot] [trace?] BUG: unable to handle kernel paging request in __ftrace_set_clr_event_nolock

A module-only event filter such as ":mod:foo" is cached with a NULL event_mod->match

unread,

[syzbot] [trace?] BUG: unable to handle kernel paging request in __ftrace_set_clr_event_nolock

A module-only event filter such as ":mod:foo" is cached with a NULL event_mod->match

3:15 AM

syzbot, syzbot ci2

2:18 AM

Re: [PATCH] wifi: mac80211: guard drv_net_setup_tc() against unbound AP_VLAN sdata

syzbot ci has tested the following series [v1] wifi: mac80211: guard drv_net_setup_tc() against

unread,

Re: [PATCH] wifi: mac80211: guard drv_net_setup_tc() against unbound AP_VLAN sdata

syzbot ci has tested the following series [v1] wifi: mac80211: guard drv_net_setup_tc() against

2:18 AM

1:00 AM

[syzbot] [jffs2?] KASAN: slab-use-after-free Read in jffs2_xattr_delete_inode

Hello, syzbot found the following issue on: HEAD commit: bcc44b6785f2 Merge tag 'drm-fixes-2026-

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[syzbot] [jffs2?] KASAN: slab-use-after-free Read in jffs2_xattr_delete_inode

Hello, syzbot found the following issue on: HEAD commit: bcc44b6785f2 Merge tag 'drm-fixes-2026-

1:00 AM

Aug 11

[syzbot] [fuse?] KASAN: slab-use-after-free Read in fuse_dev_do_write

Hello, syzbot found the following issue on: HEAD commit: c21bb4193868 Merge tag 'for_linus'

unread,

[syzbot] [fuse?] KASAN: slab-use-after-free Read in fuse_dev_do_write

Hello, syzbot found the following issue on: HEAD commit: c21bb4193868 Merge tag 'for_linus'

Aug 11

Aug 11

[syzbot] [bluetooth?] KASAN: slab-use-after-free Read in hci_sent_cmd_data

Hello, syzbot found the following issue on: HEAD commit: 0d8395707651 Merge tag 'soc-fixes-7.2-2

unread,

[syzbot] [bluetooth?] KASAN: slab-use-after-free Read in hci_sent_cmd_data

Hello, syzbot found the following issue on: HEAD commit: 0d8395707651 Merge tag 'soc-fixes-7.2-2

Aug 11

syzbot, … Jason Xing11

Aug 11

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

On Tue, Aug 11, 2026 at 10:13 PM Paolo Abeni <pab...@redhat.com> wrote: > > On 8/11/26 3:

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

On Tue, Aug 11, 2026 at 10:13 PM Paolo Abeni <pab...@redhat.com> wrote: > > On 8/11/26 3:

Aug 11

syzbot, … Jörn Engel14

Aug 11

[syzbot] [mtd?] divide error in block2mtd_setup2

On Wed, Aug 12, 2026 at 09:45:44AM +0800, Pei Xiao wrote: > > Great test! You're truly

unread,

[syzbot] [mtd?] divide error in block2mtd_setup2

On Wed, Aug 12, 2026 at 09:45:44AM +0800, Pei Xiao wrote: > > Great test! You're truly

Aug 11

Aug 11

[syzbot] [nvme?] WARNING in nvmet_fc_register_targetport

Hello, syzbot found the following issue on: HEAD commit: f9a2394a2348 Merge tag 'mm-hotfixes-

unread,

[syzbot] [nvme?] WARNING in nvmet_fc_register_targetport

Hello, syzbot found the following issue on: HEAD commit: f9a2394a2348 Merge tag 'mm-hotfixes-

Aug 11

Aug 11

[syzbot] [btrfs?] WARNING in __btrfs_run_delayed_items (3)

Hello, syzbot found the following issue on: HEAD commit: f9a2394a2348 Merge tag 'mm-hotfixes-

unread,

[syzbot] [btrfs?] WARNING in __btrfs_run_delayed_items (3)

Hello, syzbot found the following issue on: HEAD commit: f9a2394a2348 Merge tag 'mm-hotfixes-

Aug 11

Aug 11

[syzbot] [usb?] possible deadlock in uvcg_default_output_i_terminal_show

Hello, syzbot found the following issue on: HEAD commit: 0d8395707651 Merge tag 'soc-fixes-7.2-2

unread,

[syzbot] [usb?] possible deadlock in uvcg_default_output_i_terminal_show

Hello, syzbot found the following issue on: HEAD commit: 0d8395707651 Merge tag 'soc-fixes-7.2-2

Aug 11

Aug 11

[syzbot] [block?] kernel BUG in folio_unmap_invalidate

Hello, syzbot found the following issue on: HEAD commit: a59f57e2aa12 Merge tag 'watchdog-for-v7.

unread,

[syzbot] [block?] kernel BUG in folio_unmap_invalidate

Hello, syzbot found the following issue on: HEAD commit: a59f57e2aa12 Merge tag 'watchdog-for-v7.

Aug 11

Aug 11

[syzbot] [btrfs?] kernel BUG in btrfs_assert_inode_range_clean

Hello, syzbot found the following issue on: HEAD commit: f9a2394a2348 Merge tag 'mm-hotfixes-

unread,

[syzbot] [btrfs?] kernel BUG in btrfs_assert_inode_range_clean

Hello, syzbot found the following issue on: HEAD commit: f9a2394a2348 Merge tag 'mm-hotfixes-

Aug 11

Aug 11

[syzbot] [wireless?] WARNING in cfg80211_wext_siwrate

syzbot has found a reproducer for the following issue on: HEAD commit: a13307e97d5c Merge tag '

unread,

[syzbot] [wireless?] WARNING in cfg80211_wext_siwrate

syzbot has found a reproducer for the following issue on: HEAD commit: a13307e97d5c Merge tag '

Aug 11

syzbot, … Shuah Khan6

Aug 11

[PATCH] usbip: fix use-after-free in event_handler()

On 8/11/26 07:07, Aleksandr Nogikh wrote: > On Mon, Aug 10, 2026 at 9:33 PM Shuah Khan <skhan@

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[PATCH] usbip: fix use-after-free in event_handler()

On 8/11/26 07:07, Aleksandr Nogikh wrote: > On Mon, Aug 10, 2026 at 9:33 PM Shuah Khan <skhan@

Aug 11

Aug 11

Re: [syzbot] [netfilter?] [bridge?] INFO: rcu detected stall in br_handle_frame (6)

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

unread,

Re: [syzbot] [netfilter?] [bridge?] INFO: rcu detected stall in br_handle_frame (6)

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

Aug 11

Aug 11

Re: [syzbot] [kernfs?] INFO: rcu detected stall in kernfs_fop_open (7)

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

unread,

Re: [syzbot] [kernfs?] INFO: rcu detected stall in kernfs_fop_open (7)

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

Aug 11

Aug 11

Re: [syzbot] [mm?] INFO: rcu detected stall in sys_munmap (2)

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

unread,

Re: [syzbot] [mm?] INFO: rcu detected stall in sys_munmap (2)

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

Aug 11

syzbot, Vasileios Almpanis5

Aug 11

[syzbot] [io-uring?] [block?] memory leak in io_submit_sqes (6)

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

unread,

[syzbot] [io-uring?] [block?] memory leak in io_submit_sqes (6)

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

Aug 11

Aug 11

[syzbot] Monthly acpica report (Aug 2026)

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

unread,

[syzbot] Monthly acpica report (Aug 2026)

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

Aug 11

Aug 11

[syzbot] Monthly intel-wired-lan report (Aug 2026)

Hello intel-wired-lan maintainers/developers, This is a 31-day syzbot report for the intel-wired-lan

unread,

[syzbot] Monthly intel-wired-lan report (Aug 2026)

Hello intel-wired-lan maintainers/developers, This is a 31-day syzbot report for the intel-wired-lan

Aug 11

Aug 11

[syzbot] Monthly pm report (Aug 2026)

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

unread,

[syzbot] Monthly pm report (Aug 2026)

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

Aug 11

Pauli Virtanen, … patchwork-b...@kernel.org5

Aug 11

[PATCH] Bluetooth: L2CAP: reject accept queue add unless BT_LISTEN

Hello: This patch was applied to bluetooth/bluetooth-next.git (master) by Luiz Augusto von Dentz <

unread,

[PATCH] Bluetooth: L2CAP: reject accept queue add unless BT_LISTEN

Hello: This patch was applied to bluetooth/bluetooth-next.git (master) by Luiz Augusto von Dentz <

Aug 11

Aug 11

[syzbot] [media?] INFO: trying to register non-static key in as102_stream_ctrl

syzbot has found a reproducer for the following issue on: HEAD commit: d58772d8520c Merge tag '

unread,

[syzbot] [media?] INFO: trying to register non-static key in as102_stream_ctrl

syzbot has found a reproducer for the following issue on: HEAD commit: d58772d8520c Merge tag '

Aug 11

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