BTRFS warning (device loop1: state EA): Skipping commit of aborted transaction.
BTRFS: error (device loop1: state EA) in cleanup_transaction:2004: errno=-5 IO failure
BUG: MAX_LOCK_DEPTH too low!
turning off the locking correctness validator.
depth: 48 max: 48!
48 locks held by syz.1.18/5948:
#0: ffff88805d298ef0 (&sb->s_type->i_mutex_key#20){+.+.}-{3:3}, at: inode_trylock include/linux/fs.h:824 [inline]
#0: ffff88805d298ef0 (&sb->s_type->i_mutex_key#20){+.+.}-{3:3}, at: btrfs_inode_lock+0x8d/0xe0 fs/btrfs/inode.c:372
#1: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#2: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#3: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#4: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#5: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#6: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#7: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#8: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#9: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#10: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#11: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#12: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#13: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#14: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#15: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#16: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#17: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#18: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#19: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#20: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#21: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#22: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#23: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#24: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#25: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#26: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#27: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#28: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#29: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#30: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#31: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#32: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#33: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#34: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#35: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#36: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#37: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#38: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#39: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#40: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#41: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#42: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#43: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#44: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#45: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#46: ffff8880315e82c8 (btrfs-tree-01){++++}-{3:3}, at: btrfs_try_tree_read_lock+0x1e/0x1f0 fs/btrfs/locking.c:152
#47: ffffffff8cd2ff20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:334 [inline]
#47: ffffffff8cd2ff20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:786 [inline]
#47: ffffffff8cd2ff20 (rcu_read_lock){....}-{1:2}, at: find_extent_buffer_nolock+0x21/0x320 fs/btrfs/extent_io.c:1637
INFO: lockdep is turned off.
CPU: 1 PID: 5948 Comm: syz.1.18 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
<TASK>
dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106
__lock_acquire+0x1ba4/0x7c80 kernel/locking/lockdep.c:-1
lock_acquire+0x197/0x410 kernel/locking/lockdep.c:5754
rcu_lock_acquire include/linux/rcupdate.h:334 [inline]
rcu_read_lock include/linux/rcupdate.h:786 [inline]
find_extent_buffer_nolock+0x3d/0x320 fs/btrfs/extent_io.c:1637
find_extent_buffer+0x24/0x1a0 fs/btrfs/extent_io.c:3594
read_block_for_search+0x2eb/0x990 fs/btrfs/ctree.c:1686
btrfs_search_slot+0x109a/0x27e0 fs/btrfs/ctree.c:2355
btrfs_lookup_file_extent+0xd9/0x120 fs/btrfs/file-item.c:270
can_nocow_extent+0x1bb/0x810 fs/btrfs/inode.c:7093
btrfs_check_nocow_lock+0x245/0x3a0 fs/btrfs/file.c:1092
btrfs_buffered_write+0x559/0x1130 fs/btrfs/file.c:1265
btrfs_do_write_iter+0x24b/0x11b0 fs/btrfs/file.c:1689
call_write_iter include/linux/fs.h:2018 [inline]
aio_write+0x53c/0x790 fs/aio.c:1593
__io_submit_one fs/aio.c:-1 [inline]
io_submit_one+0x70b/0x1240 fs/aio.c:2012
__do_sys_io_submit fs/aio.c:2071 [inline]
__se_sys_io_submit+0x194/0x300 fs/aio.c:2041
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb5e878eec9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe7dc7f1c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fb5e89e5fa0 RCX: 00007fb5e878eec9
RDX: 0000200000000540 RSI: 0000000000000001 RDI: 00007fb5e95b9000
RBP: 00007fb5e8811f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb5e89e5fa0 R14: 00007fb5e89e5fa0 R15: 0000000000000003
</TASK>