(syz-executor,4178,0):ocfs2_replay_truncate_records:5967 ERROR: status = -30
(syz-executor,4178,0):__ocfs2_flush_truncate_log:6048 ERROR: status = -30
(syz-executor,4178,0):ocfs2_sync_fs:405 ERROR: status = -30
============================================
WARNING: possible recursive locking detected
5.15.173-syzkaller #0 Not tainted
--------------------------------------------
syz-executor/4178 is trying to acquire lock:
ffff888024a9a990 (jbd2_handle){++++}-{0:0}, at: jbd2_log_wait_commit+0x14f/0x490 fs/jbd2/journal.c:697
but task is already holding lock:
ffff888024a9a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x12b9/0x1570 fs/jbd2/transaction.c:462
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(jbd2_handle);
lock(jbd2_handle);
*** DEADLOCK ***
May be due to missing lock nesting notation
4 locks held by syz-executor/4178:
#0: ffff88801b9d00e0 (&type->s_umount_key#61){+.+.}-{3:3}, at: deactivate_super+0xa9/0xe0 fs/super.c:365
#1: ffff88801b9d0650 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5931 [inline]
#1: ffff88801b9d0650 (sb_internal#2){.+.+}-{0:0}, at: __ocfs2_flush_truncate_log+0x4d4/0x11c0 fs/ocfs2/alloc.c:6045
#2: ffff88805ec05ce8 (&journal->j_trans_barrier){.+.+}-{3:3}, at: ocfs2_start_trans+0x3b7/0x6f0 fs/ocfs2/journal.c:352
#3: ffff888024a9a990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x12b9/0x1570 fs/jbd2/transaction.c:462
stack backtrace:
CPU: 0 PID: 4178 Comm: syz-executor Not tainted 5.15.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
print_deadlock_bug kernel/locking/lockdep.c:2946 [inline]
check_deadlock kernel/locking/lockdep.c:2989 [inline]
validate_chain+0x46d2/0x5930 kernel/locking/lockdep.c:3775
__lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
jbd2_log_wait_commit+0x16b/0x490 fs/jbd2/journal.c:697
ocfs2_sync_fs+0x230/0x380 fs/ocfs2/super.c:413
sync_filesystem+0x1bc/0x220 fs/sync.c:66
generic_shutdown_super+0x6b/0x310 fs/super.c:448
kill_block_super+0x7a/0xe0 fs/super.c:1427
deactivate_locked_super+0xa0/0x110 fs/super.c:335
cleanup_mnt+0x44e/0x500 fs/namespace.c:1143
task_work_run+0x129/0x1a0 kernel/task_work.c:188
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
__syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f5561f3d207
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffe5277d6a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f5561fafab4 RCX: 00007f5561f3d207
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe5277d760
RBP: 00007ffe5277d760 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe5277e7e0
R13: 00007f5561fafab4 R14: 0000000000012e00 R15: 00007ffe5277e820
</TASK>