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

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syzbot, Hillf Danton4

12:14 AM

[syzbot] [libertas?] INFO: task hung in lbs_remove_card

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

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[syzbot] [libertas?] INFO: task hung in lbs_remove_card

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

12:14 AM

syzbot, Tetsuo Handa2

12:07 AM

[syzbot] [rdma?] kernel BUG in ib_device_get_by_index

Hmm, this assertion was wrong because ib_device_get_by_index() might be called before

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[syzbot] [rdma?] kernel BUG in ib_device_get_by_index

Hmm, this assertion was wrong because ib_device_get_by_index() might be called before

12:07 AM

syzbot ci, yebin (H)2

Feb 27

[syzbot ci] Re: ext4: test if inode's all dirty pages are submitted to disk

This is my oversight. If the file system has already become read-only and dirty pages cannot be

unread,

[syzbot ci] Re: ext4: test if inode's all dirty pages are submitted to disk

This is my oversight. If the file system has already become read-only and dirty pages cannot be

Feb 27

Feb 27

[syzbot] [ext4?] INFO: task hung in ext4_map_blocks (5)

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

unread,

[syzbot] [ext4?] INFO: task hung in ext4_map_blocks (5)

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

Feb 27

Feb 27

[syzbot] [wireless?] KASAN: slab-use-after-free Read in __ieee80211_beacon_add_tim

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

unread,

[syzbot] [wireless?] KASAN: slab-use-after-free Read in __ieee80211_beacon_add_tim

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

Feb 27

Feb 27

[syzbot ci] Re: BIG TCP for UDP tunnels

syzbot ci has tested the following series [v2] BIG TCP for UDP tunnels https://lore.kernel.org/all/

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[syzbot ci] Re: BIG TCP for UDP tunnels

syzbot ci has tested the following series [v2] BIG TCP for UDP tunnels https://lore.kernel.org/all/

Feb 27

Feb 27

[syzbot] [wireless?] divide error in mac80211_hwsim_link_info_changed (2)

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

unread,

[syzbot] [wireless?] divide error in mac80211_hwsim_link_info_changed (2)

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

Feb 27

Feb 27

[syzbot] [ext4?] INFO: task hung in filename_rmdir

Hello, syzbot found the following issue on: HEAD commit: 6de23f81a5e0 Linux 7.0-rc1 git tree:

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[syzbot] [ext4?] INFO: task hung in filename_rmdir

Hello, syzbot found the following issue on: HEAD commit: 6de23f81a5e0 Linux 7.0-rc1 git tree:

Feb 27

syzbot, … syzbot10

Feb 27

[syzbot] general protection fault in lmLogSync (2)

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

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[syzbot] general protection fault in lmLogSync (2)

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

Feb 27

Feb 27

Re: [syzbot] [netfilter?] WARNING in __nf_unregister_net_hook (9)

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

unread,

Re: [syzbot] [netfilter?] WARNING in __nf_unregister_net_hook (9)

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

Feb 27

Feb 27

[syzbot] [netfilter?] WARNING in __nf_unregister_net_hook (9)

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

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[syzbot] [netfilter?] WARNING in __nf_unregister_net_hook (9)

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

Feb 27

syzbot, Andrew Price4

Feb 27

[syzbot] [gfs2?] kernel BUG in gfs2_withdraw (2)

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

unread,

[syzbot] [gfs2?] kernel BUG in gfs2_withdraw (2)

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

Feb 27

syzbot, Roberto A. Foglietta2

Feb 27

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

> On Wednesday, 25 February 2026 at 08:45:32 UTC+1 syzbot wrote: > > Hello, > > syzbot

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

> On Wednesday, 25 February 2026 at 08:45:32 UTC+1 syzbot wrote: > > Hello, > > syzbot

Feb 27

Feb 27

[syzbot] [wireless?] possible deadlock in ieee80211_change_mac (4)

Hello, syzbot found the following issue on: HEAD commit: d4f687fbbce4 ovpn: tcp - fix packet

unread,

[syzbot] [wireless?] possible deadlock in ieee80211_change_mac (4)

Hello, syzbot found the following issue on: HEAD commit: d4f687fbbce4 ovpn: tcp - fix packet

Feb 27

syzbot, Qing Wang5

Feb 27

[syzbot] [bpf?] [trace?] KASAN: slab-use-after-free Read in bpf_trace_run3 (2)

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

unread,

[syzbot] [bpf?] [trace?] KASAN: slab-use-after-free Read in bpf_trace_run3 (2)

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

Feb 27

syzbot, … Qing Wang9

Feb 26

[syzbot] [trace?] WARNING in tracing_buffers_mmap_close (3)

On Fri, 27 Feb 2026 at 00:52, Steven Rostedt <ros...@goodmis.org> wrote: > OK, so the issue

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[syzbot] [trace?] WARNING in tracing_buffers_mmap_close (3)

On Fri, 27 Feb 2026 at 00:52, Steven Rostedt <ros...@goodmis.org> wrote: > OK, so the issue

Feb 26

syzbot, … Hillf Danton28

Feb 26

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

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

unread,

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

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

Feb 26

Feb 26

[syzbot] [wireless?] WARNING in ieee80211_set_disassoc (2)

Hello, syzbot found the following issue on: HEAD commit: 189f164e573e Convert remaining multi-line

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[syzbot] [wireless?] WARNING in ieee80211_set_disassoc (2)

Hello, syzbot found the following issue on: HEAD commit: 189f164e573e Convert remaining multi-line

Feb 26

Feb 26

[syzbot] [rds?] possible deadlock in rds_tcp_tune (2)

> #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git main This crash does not

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[syzbot] [rds?] possible deadlock in rds_tcp_tune (2)

> #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git main This crash does not

Feb 26

syzbot ci, Kuniyuki Iwashima2

Feb 26

[syzbot ci] Re: ipmr: No RTNL for RTNL_FAMILY_IPMR rtnetlink.

From: syzbot ci <syzbot+ci7bf...@syzkaller.appspotmail.com> Date: Thu, 26 Feb 2026 09

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[syzbot ci] Re: ipmr: No RTNL for RTNL_FAMILY_IPMR rtnetlink.

From: syzbot ci <syzbot+ci7bf...@syzkaller.appspotmail.com> Date: Thu, 26 Feb 2026 09

Feb 26

syzbot ci, … syzbot ci8

Feb 26

[syzbot ci] Re: Close race in freeing special fields and map value

Unknown command

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[syzbot ci] Re: Close race in freeing special fields and map value

Unknown command

Feb 26

Mauricio Faria de Oliveira, syzbot6

Feb 26

KASAN: slab-use-after-free Write in media_request_alloc

#syz dup: KASAN: slab-use-after-free Write in number

unread,

KASAN: slab-use-after-free Write in media_request_alloc

#syz dup: KASAN: slab-use-after-free Write in number

Feb 26

syzbot, Will Deacon2

Feb 26

[syzbot] [arm?] BUG: using __this_cpu_read() in preemptible code in __delay

On Thu, Feb 26, 2026 at 07:05:25AM -0800, syzbot wrote: > syzbot found the following issue on:

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[syzbot] [arm?] BUG: using __this_cpu_read() in preemptible code in __delay

On Thu, Feb 26, 2026 at 07:05:25AM -0800, syzbot wrote: > syzbot found the following issue on:

Feb 26

syzbot, Pedro Falcato3

Feb 26

[syzbot] [mm?] possible deadlock in lock_mm_and_find_vma (4)

On Thu, Feb 26, 2026 at 05:40:26PM +0000, Pedro Falcato wrote: > +Cc netdev, block, nbd people

unread,

[syzbot] [mm?] possible deadlock in lock_mm_and_find_vma (4)

On Thu, Feb 26, 2026 at 05:40:26PM +0000, Pedro Falcato wrote: > +Cc netdev, block, nbd people

Feb 26

Mauricio Faria de Oliveira, syzbot4

Feb 26

KASAN: slab-use-after-free Write in number

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

unread,

KASAN: slab-use-after-free Write in number

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

Feb 26

Feb 26

[syzbot] [mm?] kernel BUG in qlist_free_all (3)

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

unread,

[syzbot] [mm?] kernel BUG in qlist_free_all (3)

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

Feb 26

Feb 26

[syzbot] [btrfs?] possible deadlock in btrfs_create_qgroup

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

unread,

[syzbot] [btrfs?] possible deadlock in btrfs_create_qgroup

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

Feb 26

Feb 26

[syzbot] Monthly wpan report (Feb 2026)

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

unread,

[syzbot] Monthly wpan report (Feb 2026)

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

Feb 26

Feb 26

[syzbot] Monthly hams report (Feb 2026)

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

unread,

[syzbot] Monthly hams report (Feb 2026)

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

Feb 26

Feb 26

[syzbot] Monthly netfilter report (Feb 2026)

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

unread,

[syzbot] Monthly netfilter report (Feb 2026)

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

Feb 26

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