[v5.15] BUG: workqueue leaked lock or atomic in ocfs2_truncate_log_worker (3)

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syzbot

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Apr 27, 2026, 12:05:29 PMApr 27
to syzkaller...@googlegroups.com
Hello,

syzbot found the following issue on:

HEAD commit: b9d57c40a767 Linux 5.15.203
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=13b94506580000
kernel config: https://syzkaller.appspot.com/x/.config?x=353ae28c40b35af5
dashboard link: https://syzkaller.appspot.com/bug?extid=1a55c85684e1dafe8688
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/34313629ba4f/disk-b9d57c40.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/402f526e5a98/vmlinux-b9d57c40.xz
kernel image: https://storage.googleapis.com/syzbot-assets/45f7694e9617/bzImage-b9d57c40.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+1a55c8...@syzkaller.appspotmail.com

(kworker/u4:14,4427,1):ocfs2_replay_truncate_records:5974 ERROR: status = -30
(kworker/u4:14,4427,1):__ocfs2_flush_truncate_log:6055 ERROR: status = -30
(kworker/u4:14,4427,1):ocfs2_truncate_log_worker:6089 ERROR: status = -30
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: ocfs2_truncate_log_worker
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 0 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: ocfs2_wq ocfs2_truncate_log_worker
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_nc_worker
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 1 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_nc_worker
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_nc_worker
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 0 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_nc_worker
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_nc_worker
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 0 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_nc_worker
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_nc_worker
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 0 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_nc_worker
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_nc_worker
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 1 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_nc_worker
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_nc_worker
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 1 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_nc_worker
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_iv_send_outstanding_bat_ogm_packet
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 1 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_iv_send_outstanding_bat_ogm_packet
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 1 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_purge_orig
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 1 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_purge_orig
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_purge_orig
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 1 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_purge_orig
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_purge_orig
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 1 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_purge_orig
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_purge_orig
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 1 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_purge_orig
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_iv_send_outstanding_bat_ogm_packet
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 1 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_iv_send_outstanding_bat_ogm_packet
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 1 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_purge_orig
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 0 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_purge_orig
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_iv_send_outstanding_bat_ogm_packet
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 0 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_iv_send_outstanding_bat_ogm_packet
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 0 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_iv_send_outstanding_bat_ogm_packet
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 0 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_iv_send_outstanding_bat_ogm_packet
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 0 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_iv_send_outstanding_bat_ogm_packet
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 0 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_mcast_mla_update
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 1 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_mcast_mla_update
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_mcast_mla_update
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 1 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_mcast_mla_update
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_mcast_mla_update
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 1 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_mcast_mla_update
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
BUG: workqueue leaked lock or atomic: kworker/u4:14/0x00000000/4427
last function: batadv_mcast_mla_update
3 locks held by kworker/u4:14/4427:
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5938 [inline]
#0: ffff888079d14650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4a5/0x1110 fs/ocfs2/alloc.c:6052
#1: ffff888060e8d4e8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3a6/0x6f0 fs/ocfs2/journal.c:374
#2: ffff88802566a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x134c/0x15c0 fs/jbd2/transaction.c:462
CPU: 0 PID: 4427 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_mcast_mla_update
Call Trace:
<TASK>
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
process_one_work+0xc69/0x1010 kernel/workqueue.c:2325
worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>

======================================================


---
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