loop0: detected capacity change from 0 to 32768
=======================================================
WARNING: The mand mount option has been deprecated and
and is ignored by this kernel. Remove the mand
option from the mount to silence this warning.
=======================================================
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
Aborting journal on device loop0-75.
Buffer I/O error on dev loop0, logical block 640, lost sync page write
JBD2: I/O error when updating journal superblock for loop0-75.
(syz.0.0,5120,0):__ocfs2_journal_access:705 ERROR: Error -5 getting 1 access to buffer!
(syz.0.0,5120,0):ocfs2_journal_access_path:751 ERROR: status = -5
(syz.0.0,5120,0):ocfs2_truncate_rec:5443 ERROR: status = -5
(syz.0.0,5120,0):ocfs2_remove_extent:5584 ERROR: status = -5
(syz.0.0,5120,0):ocfs2_remove_btree_range:5772 ERROR: status = -5
(syz.0.0,5120,0):ocfs2_commit_trans:382 ERROR: status = -5
(syz.0.0,5120,0):ocfs2_commit_truncate:7357 ERROR: status = -5
(syz.0.0,5120,0):ocfs2_truncate_file:511 ERROR: status = -5
(syz.0.0,5120,0):ocfs2_setattr:1213 ERROR: status = -5
getblk(): invalid block size 512 requested
logical block size: 2048
CPU: 0 UID: 0 PID: 5120 Comm: syz.0.0 Not tainted 6.11.0-rc7-syzkaller-00097-g196145c606d0 #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_open fs/open.c:1439 [inline]
__se_sys_open fs/open.c:1435 [inline]
__x64_sys_open+0x225/0x270 fs/open.c:1435
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: 0033:0x7fd91b77def9
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:00007fd91c5e8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd91b935f80 RCX: 00007fd91b77def9
RDX: 0000000000000000 RSI: 000000000010b942 RDI: 0000000020000080
RBP: 00007fd91b7f0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd91b935f80 R15: 00007ffd1106b308
(syz.0.0,5120,0):ocfs2_read_blocks:240 ERROR: status = -12
=====================================
WARNING: bad unlock balance detected!
6.11.0-rc7-syzkaller-00097-g196145c606d0 #0 Not tainted
-------------------------------------
syz.0.0/5120 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.0.0/5120:
#0: ffff8880415009c0 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:800 [inline]
#0: ffff8880415009c0 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: open_last_lookups fs/namei.c:3644 [inline]
#0: ffff8880415009c0 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: path_openat+0x7fb/0x3470 fs/namei.c:3883
stack backtrace:
CPU: 0 UID: 0 PID: 5120 Comm: syz.0.0 Not tainted 6.11.0-rc7-syzkaller-00097-g196145c606d0 #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_open fs/open.c:1439 [inline]
__se_sys_open fs/open.c:1435 [inline]
__x64_sys_open+0x225/0x270 fs/open.c:1435
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: 0033:0x7fd91b77def9
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:00007fd91c5e8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fd91b935f80 RCX: 00007fd91b77def9
RDX: 0000000000000000 RSI: 000000000010b942 RDI: 0000000020000080
RBP: 00007fd91b7f0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd91b935f80 R15: 00007ffd1106b308
(syz.0.0,5120,0):ocfs2_find_entry_id:407 ERROR: status = -12