loop0: detected capacity change from 32768 to 32640
OCFS2: ERROR (device loop0): int ocfs2_validate_inode_block(struct super_block *, struct buffer_head *): Invalid dinode #65: signature =
On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted.
OCFS2: File system is now read-only.
(syz.0.0,5110,0):ocfs2_find_entry_id:407 ERROR: status = -30
getblk(): invalid block size 512 requested
logical block size: 2048
CPU: 0 UID: 0 PID: 5110 Comm: syz.0.0 Not tainted 6.11.0-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:93 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
__getblk_slow fs/buffer.c:1128 [inline]
bdev_getblk+0x4a6/0x550 fs/buffer.c:1441
__getblk include/linux/buffer_head.h:381 [inline]
sb_getblk include/linux/buffer_head.h:387 [inline]
ocfs2_read_blocks+0x4ea/0x1620 fs/ocfs2/buffer_head_io.c:236
ocfs2_read_inode_block_full fs/ocfs2/inode.c:1593 [inline]
ocfs2_read_inode_block+0x106/0x1e0 fs/ocfs2/inode.c:1605
ocfs2_find_entry_id fs/ocfs2/dir.c:405 [inline]
ocfs2_find_entry+0xab6/0x2780 fs/ocfs2/dir.c:1078
ocfs2_find_files_on_disk+0xff/0x360 fs/ocfs2/dir.c:1980
ocfs2_lookup_ino_from_name+0xb1/0x1e0 fs/ocfs2/dir.c:2002
ocfs2_lookup+0x292/0xa60 fs/ocfs2/namei.c:122
lookup_open fs/namei.c:3556 [inline]
open_last_lookups fs/namei.c:3647 [inline]
path_openat+0x11cc/0x3470 fs/namei.c:3883
do_filp_open+0x235/0x490 fs/namei.c:3913
do_sys_openat2+0x13e/0x1d0 fs/open.c:1416
do_sys_open fs/open.c:1431 [inline]
__do_sys_openat fs/open.c:1447 [inline]
__se_sys_openat fs/open.c:1442 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1442
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc21417def9
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:00007fc214ec5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fc214336058 RCX: 00007fc21417def9
RDX: 0000000000000000 RSI: 0000000020004280 RDI: ffffffffffffff9c
RBP: 00007fc2141f0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc214336058 R15: 00007ffd27a21af8
(syz.0.0,5110,0):ocfs2_read_blocks:240 ERROR: status = -12
=====================================
WARNING: bad unlock balance detected!
6.11.0-syzkaller #0 Not tainted
-------------------------------------
syz.0.0/5110 is trying to release lock (&oi->ip_io_mutex) at:
[] ocfs2_read_blocks+0x11c6/0x1620 fs/ocfs2/buffer_head_io.c:394
but there are no more locks to release!
other info that might help us debug this:
1 lock held by syz.0.0/5110:
#0: ffff88803fbb89c0 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:810 [inline]
#0: ffff88803fbb89c0 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: open_last_lookups fs/namei.c:3646 [inline]
#0: ffff88803fbb89c0 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: path_openat+0x7ec/0x3470 fs/namei.c:3883
stack backtrace:
CPU: 0 UID: 0 PID: 5110 Comm: syz.0.0 Not tainted 6.11.0-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:93 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
print_unlock_imbalance_bug+0x256/0x2c0 kernel/locking/lockdep.c:5199
__lock_release kernel/locking/lockdep.c:5436 [inline]
lock_release+0x5cb/0xa30 kernel/locking/lockdep.c:5780
__mutex_unlock_slowpath+0xe2/0x750 kernel/locking/mutex.c:912
ocfs2_read_blocks+0x11c6/0x1620 fs/ocfs2/buffer_head_io.c:394
ocfs2_read_inode_block_full fs/ocfs2/inode.c:1593 [inline]
ocfs2_read_inode_block+0x106/0x1e0 fs/ocfs2/inode.c:1605
ocfs2_find_entry_id fs/ocfs2/dir.c:405 [inline]
ocfs2_find_entry+0xab6/0x2780 fs/ocfs2/dir.c:1078
ocfs2_find_files_on_disk+0xff/0x360 fs/ocfs2/dir.c:1980
ocfs2_lookup_ino_from_name+0xb1/0x1e0 fs/ocfs2/dir.c:2002
ocfs2_lookup+0x292/0xa60 fs/ocfs2/namei.c:122
lookup_open fs/namei.c:3556 [inline]
open_last_lookups fs/namei.c:3647 [inline]
path_openat+0x11cc/0x3470 fs/namei.c:3883
do_filp_open+0x235/0x490 fs/namei.c:3913
do_sys_openat2+0x13e/0x1d0 fs/open.c:1416
do_sys_open fs/open.c:1431 [inline]
__do_sys_openat fs/open.c:1447 [inline]
__se_sys_openat fs/open.c:1442 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1442
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc21417def9
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:00007fc214ec5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fc214336058 RCX: 00007fc21417def9
RDX: 0000000000000000 RSI: 0000000020004280 RDI: ffffffffffffff9c
RBP: 00007fc2141f0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc214336058 R15: 00007ffd27a21af8
(syz.0.0,5110,0):ocfs2_find_entry_id:407 ERROR: status = -12