loop2: detected capacity change from 0 to 32768
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 1 PID: 6589 at kernel/locking/mutex.c:582 __mutex_lock_common kernel/locking/mutex.c:582 [inline]
WARNING: CPU: 1 PID: 6589 at kernel/locking/mutex.c:582 __mutex_lock+0xc36/0xd60 kernel/locking/mutex.c:747
Modules linked in:
CPU: 1 PID: 6589 Comm: syz-executor.2 Not tainted 6.7.0-rc3-syzkaller-00014-gdf60cee26a2e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:582 [inline]
RIP: 0010:__mutex_lock+0xc36/0xd60 kernel/locking/mutex.c:747
Code: 0f b6 04 20 84 c0 0f 85 18 01 00 00 83 3d a1 8c e0 03 00 75 19 90 48 c7 c7 e0 98 6a 8b 48 c7 c6 80 99 6a 8b e8 4b fa 33 f6 90 <0f> 0b 90 90 90 e9 c8 f4 ff ff 90 0f 0b 90 e9 d6 f8 ff ff 90 0f 0b
RSP: 0018:ffffc90009b3f5c0 EFLAGS: 00010246
RAX: 467704c0fdfadc00 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000b7fc000 RSI: 00000000000051f8 RDI: 00000000000051f9
RBP: ffffc90009b3f720 R08: ffffffff81545a92 R09: 1ffff11017325172
R10: dffffc0000000000 R11: ffffed1017325173 R12: dffffc0000000000
R13: ffff8880779bf228 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007f4fde9306c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efc67dbe000 CR3: 0000000019f42000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27
 reiserfs_lookup+0x162/0x580 fs/reiserfs/namei.c:364
 lookup_open fs/namei.c:3455 [inline]
 open_last_lookups fs/namei.c:3546 [inline]
 path_openat+0x1010/0x3290 fs/namei.c:3776
 do_filp_open+0x234/0x490 fs/namei.c:3809
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1440
 do_sys_open fs/open.c:1455 [inline]
 __do_sys_openat fs/open.c:1471 [inline]
 __se_sys_openat fs/open.c:1466 [inline]
 __x64_sys_openat+0x247/0x290 fs/open.c:1466
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f4fddc7cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4fde9300c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f4fddd9bf80 RCX: 00007f4fddc7cae9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007f4fddcc847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f4fddd9bf80 R15: 00007ffe5e7f6558
 </TASK>