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

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syzbot, … Günther Noack7

9:00 AM

[syzbot] [kernel?] general protection fault in task_work_cancel

On Sat, Mar 07, 2026 at 07:46:25PM -0800, syzbot wrote: > syzbot has found a reproducer for the

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[syzbot] [kernel?] general protection fault in task_work_cancel

On Sat, Mar 07, 2026 at 07:46:25PM -0800, syzbot wrote: > syzbot has found a reproducer for the

9:00 AM

7:58 AM

[syzbot] [netfilter?] WARNING in nf_hook_entry_head (2)

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

unread,

[syzbot] [netfilter?] WARNING in nf_hook_entry_head (2)

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

7:58 AM

6:23 AM

[syzbot] Monthly fuse report (Mar 2026)

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

unread,

[syzbot] Monthly fuse report (Mar 2026)

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

6:23 AM

syzbot, … Pimyn Girgis3

5:57 AM

[syzbot] Monthly media report (Mar 2026)

On Fri, Mar 6, 2026 at 5:17 PM Nicolas Dufresne <nic...@ndufresne.ca> wrote: > > Hi, Hi

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[syzbot] Monthly media report (Mar 2026)

On Fri, Mar 6, 2026 at 5:17 PM Nicolas Dufresne <nic...@ndufresne.ca> wrote: > > Hi, Hi

5:57 AM

syzbot, … Harry Yoo21

5:40 AM

[syzbot] [mm?] [f2fs?] [exfat?] memory leak in __kfree_rcu_sheaf

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

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[syzbot] [mm?] [f2fs?] [exfat?] memory leak in __kfree_rcu_sheaf

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

5:40 AM

syzbot, Qing Wang4

3:17 AM

[syzbot] [kernel?] KMSAN: uninit-value in __flush_smp_call_function_queue

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

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[syzbot] [kernel?] KMSAN: uninit-value in __flush_smp_call_function_queue

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

3:17 AM

syzbot, Petr Mladek5

2:04 AM

[syzbot] [xfs?] INFO: task hung in xfs_file_fsync

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

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[syzbot] [xfs?] INFO: task hung in xfs_file_fsync

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

2:04 AM

12:56 AM

[syzbot] [gfs2?] possible deadlock in gfs2_trans_begin (2)

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

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[syzbot] [gfs2?] possible deadlock in gfs2_trans_begin (2)

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

12:56 AM

Mar 9

Re: [syzbot] [hfs?] kernel BUG in hfs_write_inode

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

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Re: [syzbot] [hfs?] kernel BUG in hfs_write_inode

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

Mar 9

Mar 9

[syzbot] Monthly comedi report (Mar 2026)

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

unread,

[syzbot] Monthly comedi report (Mar 2026)

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

Mar 9

Mar 9

[syzbot] Monthly bpf report (Mar 2026)

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

unread,

[syzbot] Monthly bpf report (Mar 2026)

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

Mar 9

syzbot, … George Anthony Vernon11

Mar 9

[syzbot] kernel BUG in hfs_write_inode

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

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[syzbot] kernel BUG in hfs_write_inode

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

Mar 9

Mar 9

[syzbot] [btrfs?] kernel BUG in btrfs_backref_release_cache (3)

Hello, syzbot found the following issue on: HEAD commit: c107785c7e8d Merge tag 'modules-7.0-rc3.

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[syzbot] [btrfs?] kernel BUG in btrfs_backref_release_cache (3)

Hello, syzbot found the following issue on: HEAD commit: c107785c7e8d Merge tag 'modules-7.0-rc3.

Mar 9

Mar 9

[syzbot] [kernel?] WARNING in _cpu_down

Hello, syzbot found the following issue on: HEAD commit: 4ae12d8bd9a8 Merge tag 'kbuild-fixes-7.0

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[syzbot] [kernel?] WARNING in _cpu_down

Hello, syzbot found the following issue on: HEAD commit: 4ae12d8bd9a8 Merge tag 'kbuild-fixes-7.0

Mar 9

Mar 9

[syzbot] [wireless?] WARNING in ieee80211_tdls_oper (3)

Hello, syzbot found the following issue on: HEAD commit: c113d5e32678 Merge branch 'net-spacemit-

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[syzbot] [wireless?] WARNING in ieee80211_tdls_oper (3)

Hello, syzbot found the following issue on: HEAD commit: c113d5e32678 Merge branch 'net-spacemit-

Mar 9

Mar 9

Re: [syzbot] WARNING in drm_prime_destroy_file_private (2)

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

unread,

Re: [syzbot] WARNING in drm_prime_destroy_file_private (2)

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

Mar 9

syzbot, Jiayuan Chen17

Mar 9

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

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

unread,

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

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

Mar 9

syzbot, Alan Stern8

Mar 9

[syzbot] [usb?] general protection fault in usb_gadget_udc_reset (4)

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

unread,

[syzbot] [usb?] general protection fault in usb_gadget_udc_reset (4)

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

Mar 9

syzbot, Heitor Alves de Siqueira12

Mar 9

[syzbot] [batman?] [bluetooth?] memory leak in skb_clone (3)

#syz fix: Bluetooth: purge error queues in socket destructors

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[syzbot] [batman?] [bluetooth?] memory leak in skb_clone (3)

#syz fix: Bluetooth: purge error queues in socket destructors

Mar 9

Mar 9

Re: [syzbot] [bluetooth?] [batman?] memory leak in skb_clone (3)

> #syz test 21e4271e65094172aadd5beb8caea95dd0fbf6d7 I've failed to parse your command. Did

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Re: [syzbot] [bluetooth?] [batman?] memory leak in skb_clone (3)

> #syz test 21e4271e65094172aadd5beb8caea95dd0fbf6d7 I've failed to parse your command. Did

Mar 9

Mar 9

[syzbot] Monthly f2fs report (Mar 2026)

Hello f2fs maintainers/developers, This is a 31-day syzbot report for the f2fs subsystem. All related

unread,

[syzbot] Monthly f2fs report (Mar 2026)

Hello f2fs maintainers/developers, This is a 31-day syzbot report for the f2fs subsystem. All related

Mar 9

Mar 9

[syzbot] Monthly ocfs2 report (Mar 2026)

Hello ocfs2 maintainers/developers, This is a 31-day syzbot report for the ocfs2 subsystem. All

unread,

[syzbot] Monthly ocfs2 report (Mar 2026)

Hello ocfs2 maintainers/developers, This is a 31-day syzbot report for the ocfs2 subsystem. All

Mar 9

Mar 9

[syzbot] [net?] KASAN: null-ptr-deref Write in send_to_lecd

Hello, syzbot found the following issue on: HEAD commit: 014441d1e4b2 Merge tag 'i2c-for-7.0-rc3

unread,

[syzbot] [net?] KASAN: null-ptr-deref Write in send_to_lecd

Hello, syzbot found the following issue on: HEAD commit: 014441d1e4b2 Merge tag 'i2c-for-7.0-rc3

Mar 9

syzbot, … Takashi Iwai9

Mar 9

[syzbot] [sound?] general protection fault in snd_scarlett2_init

On Mon, 09 Mar 2026 11:03:46 +0100, Takashi Iwai wrote: > > On Mon, 09 Mar 2026 10:57:03 +0100,

unread,

[syzbot] [sound?] general protection fault in snd_scarlett2_init

On Mon, 09 Mar 2026 11:03:46 +0100, Takashi Iwai wrote: > > On Mon, 09 Mar 2026 10:57:03 +0100,

Mar 9

Mar 9

[syzbot] [btrfs?] possible deadlock in btrfs_page_mkwrite

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_page_mkwrite

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

Mar 9

syzbot, … Qing Wang6

Mar 9

[syzbot] [perf?] possible deadlock in refcount_dec_and_mutex_lock (2)

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

unread,

[syzbot] [perf?] possible deadlock in refcount_dec_and_mutex_lock (2)

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

Mar 9

Mar 9

Re: [syzbot] [kvm?] WARNING in __kvm_gpc_refresh (3)

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

unread,

Re: [syzbot] [kvm?] WARNING in __kvm_gpc_refresh (3)

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

Mar 9

Mar 9

[syzbot] [kvm?] WARNING in __kvm_gpc_refresh (3)

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

unread,

[syzbot] [kvm?] WARNING in __kvm_gpc_refresh (3)

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

Mar 9

Mar 8

[syzbot] [trace?] WARNING in ring_buffer_nr_dirty_pages

Hello, syzbot found the following issue on: HEAD commit: ecc64d2dc9ff Merge tag 'sysctl-7.00-

unread,

[syzbot] [trace?] WARNING in ring_buffer_nr_dirty_pages

Hello, syzbot found the following issue on: HEAD commit: ecc64d2dc9ff Merge tag 'sysctl-7.00-

Mar 8

Mar 8

[syzbot] [mm?] WARNING: suspicious RCU usage in usb_tx_block

Hello, syzbot found the following issue on: HEAD commit: bb375c251ab4 dt-bindings: usb: st,st-ohci-

unread,

[syzbot] [mm?] WARNING: suspicious RCU usage in usb_tx_block

Hello, syzbot found the following issue on: HEAD commit: bb375c251ab4 dt-bindings: usb: st,st-ohci-

Mar 8

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