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

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syzbot, Alexei Starovoitov3

11:06 PM

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

On Mon, Dec 15, 2025 at 7:14 PM <dongl...@126.com> wrote: > > From: DLpang <

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

On Mon, Dec 15, 2025 at 7:14 PM <dongl...@126.com> wrote: > > From: DLpang <

11:06 PM

bot+b...@kernel.org

10:34 PM

Re: [PATCH] bpf: Fix NULL deref in __list_del_clearprev for flush_node

> diff --git a/kernel/bpf/cpumap.cb/kernel/bpf/cpumap.c > index 04171fbc39cb..6ab6eae31989

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Re: [PATCH] bpf: Fix NULL deref in __list_del_clearprev for flush_node

> diff --git a/kernel/bpf/cpumap.cb/kernel/bpf/cpumap.c > index 04171fbc39cb..6ab6eae31989

10:34 PM

10:33 PM

Re: [syzbot] [wireless?] WARNING in ieee80211_ocb_rx_no_sta (2)

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

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Re: [syzbot] [wireless?] WARNING in ieee80211_ocb_rx_no_sta (2)

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

10:33 PM

syzbot, … Edward Adam Davis5

10:23 PM

[syzbot] [block?] general protection fault in blk_update_request

In lbmRead(), the I/O event waited for by wait_event() finishes before it goes to sleep, and the

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[syzbot] [block?] general protection fault in blk_update_request

In lbmRead(), the I/O event waited for by wait_event() finishes before it goes to sleep, and the

10:23 PM

8:32 PM

[syzbot] Monthly fbdev report (Dec 2025)

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

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[syzbot] Monthly fbdev report (Dec 2025)

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

8:32 PM

2:27 PM

[syzbot] [net?] INFO: rcu detected stall in rtnl_getlink (2)

Hello, syzbot found the following issue on: HEAD commit: 8f0b4cce4481 Linux 6.19-rc1 git tree:

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[syzbot] [net?] INFO: rcu detected stall in rtnl_getlink (2)

Hello, syzbot found the following issue on: HEAD commit: 8f0b4cce4481 Linux 6.19-rc1 git tree:

2:27 PM

syzbot, … Prithvi Tambewagh21

1:22 PM

[syzbot] [ocfs2?] kernel BUG in ocfs2_write_block

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

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[syzbot] [ocfs2?] kernel BUG in ocfs2_write_block

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

1:22 PM

syzbot, Edward Adam Davis2

9:09 AM

[syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in __ocfs2_find_path

Patch d358e5254674 modifies the definition of the array l_recs, specifying the number of its members

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[syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in __ocfs2_find_path

Patch d358e5254674 modifies the definition of the array l_recs, specifying the number of its members

9:09 AM

7:40 AM

[syzbot] [net?] [nfc?] WARNING in nfc_dev_down

Hello, syzbot found the following issue on: HEAD commit: d358e5254674 Merge tag 'for-6.19/dm-

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[syzbot] [net?] [nfc?] WARNING in nfc_dev_down

Hello, syzbot found the following issue on: HEAD commit: d358e5254674 Merge tag 'for-6.19/dm-

7:40 AM

7:30 AM

[syzbot] [net?] [usb?] WARNING in mdiobus_get_phy

Hello, syzbot found the following issue on: HEAD commit: 5ce74bc1b7cb Add linux-next specific files

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[syzbot] [net?] [usb?] WARNING in mdiobus_get_phy

Hello, syzbot found the following issue on: HEAD commit: 5ce74bc1b7cb Add linux-next specific files

7:30 AM

syzbot, … Ian Abbott7

7:25 AM

[syzbot] [comedi?] memory leak in do_cmd_ioctl

On 15/12/2025 11:11, Edward Adam Davis wrote: > syzbot reported a memory leak [1], because patch

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[syzbot] [comedi?] memory leak in do_cmd_ioctl

On 15/12/2025 11:11, Edward Adam Davis wrote: > syzbot reported a memory leak [1], because patch

7:25 AM

6:57 AM

[syzbot] [bluetooth?] WARNING in hci_send_cmd (3)

Hello, syzbot found the following issue on: HEAD commit: 5ce74bc1b7cb Add linux-next specific files

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[syzbot] [bluetooth?] WARNING in hci_send_cmd (3)

Hello, syzbot found the following issue on: HEAD commit: 5ce74bc1b7cb Add linux-next specific files

6:57 AM

5:45 AM

[syzbot] [btrfs?] general protection fault in detach_extent_buffer_folio (2)

Hello, syzbot found the following issue on: HEAD commit: d358e5254674 Merge tag 'for-6.19/dm-

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[syzbot] [btrfs?] general protection fault in detach_extent_buffer_folio (2)

Hello, syzbot found the following issue on: HEAD commit: d358e5254674 Merge tag 'for-6.19/dm-

5:45 AM

5:44 AM

[syzbot] [gfs2] KASAN: use-after-free Read in iomap_read_inline_data (2)

Hello, syzbot found the following issue on: HEAD commit: 8f0b4cce4481 Linux 6.19-rc1 git tree:

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[syzbot] [gfs2] KASAN: use-after-free Read in iomap_read_inline_data (2)

Hello, syzbot found the following issue on: HEAD commit: 8f0b4cce4481 Linux 6.19-rc1 git tree:

5:44 AM

syzbot, Shardul Bankar2

2:58 AM

[syzbot] WARNING in hfsplus_bnode_create

#syz test diff --git a/fs/hfsplus/bnode.cb/fs/hfsplus/bnode.c index 191661af9677..e098e05add43 100644

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[syzbot] WARNING in hfsplus_bnode_create

#syz test diff --git a/fs/hfsplus/bnode.cb/fs/hfsplus/bnode.c index 191661af9677..e098e05add43 100644

2:58 AM

Dec 14

[syzbot] [mm?] INFO: rcu detected stall in finish_dput

Hello, syzbot found the following issue on: HEAD commit: 8f0b4cce4481 Linux 6.19-rc1 git tree:

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[syzbot] [mm?] INFO: rcu detected stall in finish_dput

Hello, syzbot found the following issue on: HEAD commit: 8f0b4cce4481 Linux 6.19-rc1 git tree:

Dec 14

Dec 14

[syzbot] [libertas?] [usb?] WARNING in usb_tx_block

Hello, syzbot found the following issue on: HEAD commit: d358e5254674 Merge tag 'for-6.19/dm-

unread,

[syzbot] [libertas?] [usb?] WARNING in usb_tx_block

Hello, syzbot found the following issue on: HEAD commit: d358e5254674 Merge tag 'for-6.19/dm-

Dec 14

Dec 14

[syzbot] [fs?] memory leak in adfs_init_fs_context

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

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[syzbot] [fs?] memory leak in adfs_init_fs_context

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

Dec 14

Dec 14

[syzbot] [ext4?] INFO: task hung in ext4_read_bh

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

unread,

[syzbot] [ext4?] INFO: task hung in ext4_read_bh

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

Dec 14

Dec 14

[syzbot] [kernel?] WARNING: locking bug in try_to_wake_up (3)

syzbot suspects this issue was fixed by commit: commit b549113738e8c751b613118032a724b772aa83f2

unread,

[syzbot] [kernel?] WARNING: locking bug in try_to_wake_up (3)

syzbot suspects this issue was fixed by commit: commit b549113738e8c751b613118032a724b772aa83f2

Dec 14

Dec 14

Re: [PATCH] gfs2: Fix slab-use-after-free in gfs2_qd_dispose

> #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git This crash does not

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Re: [PATCH] gfs2: Fix slab-use-after-free in gfs2_qd_dispose

> #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git This crash does not

Dec 14

Dec 14

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

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

unread,

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

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

Dec 14

Dec 14

[syzbot] [gpio?] upstream test error: BUG: soft lockup in led_heartbeat_function

Hello, syzbot found the following issue on: HEAD commit: c9b47175e913 Merge tag 'i2c-for-6.19-rc1

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[syzbot] [gpio?] upstream test error: BUG: soft lockup in led_heartbeat_function

Hello, syzbot found the following issue on: HEAD commit: c9b47175e913 Merge tag 'i2c-for-6.19-rc1

Dec 14

syzbot, … Edward Adam Davis23

Dec 13

[syzbot] [kvm?] [net?] [virt?] WARNING in virtio_transport_send_pkt_info (2)

On Sat, 13 Dec 2025 08:37:17 +0900, Jakub Kicinski wrote: > > In zerocopy_fill_skb_from_iter(),

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[syzbot] [kvm?] [net?] [virt?] WARNING in virtio_transport_send_pkt_info (2)

On Sat, 13 Dec 2025 08:37:17 +0900, Jakub Kicinski wrote: > > In zerocopy_fill_skb_from_iter(),

Dec 13

Dec 13

Re: [syzbot] [crypto?] KMSAN: uninit-value in adiantum_crypt

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

unread,

Re: [syzbot] [crypto?] KMSAN: uninit-value in adiantum_crypt

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

Dec 13

Dec 13

Re: [syzbot] [wpan?] KMSAN: uninit-value in ieee802154_hdr_push (2)

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

unread,

Re: [syzbot] [wpan?] KMSAN: uninit-value in ieee802154_hdr_push (2)

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

Dec 13

Dec 13

[syzbot] [crypto?] KMSAN: uninit-value in adiantum_crypt

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

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[syzbot] [crypto?] KMSAN: uninit-value in adiantum_crypt

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

Dec 13

syzbot ci, Florian Westphal2

Dec 13

[syzbot ci] Re: netfilter: nf_tables: avoid chain re-validation if possible

syzbot ci <syzbot+ci135...@syzkaller.appspotmail.com> wrote: ------------[ cut here ]

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[syzbot ci] Re: netfilter: nf_tables: avoid chain re-validation if possible

syzbot ci <syzbot+ci135...@syzkaller.appspotmail.com> wrote: ------------[ cut here ]

Dec 13

syzbot, Nikita Zhandarovich7

Dec 13

[syzbot] [wpan?] KMSAN: uninit-value in ieee802154_hdr_push (2)

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

unread,

[syzbot] [wpan?] KMSAN: uninit-value in ieee802154_hdr_push (2)

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

Dec 13

syzbot, … Florian Westphal7

Dec 13

[syzbot] [netfilter?] WARNING in nf_conntrack_cleanup_net_list

Eric Dumazet <edum...@google.com> wrote: > > UDP, but I can't say yet if thats an

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[syzbot] [netfilter?] WARNING in nf_conntrack_cleanup_net_list

Eric Dumazet <edum...@google.com> wrote: > > UDP, but I can't say yet if thats an

Dec 13

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