loop0: detected capacity change from 0 to 128
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 0 PID: 436 at kernel/locking/mutex.c:582 __mutex_lock_common+0x1bb7/0x26c0 kernel/locking/mutex.c:582
Modules linked in:
CPU: 1 PID: 436 Comm: syz-executor.0 Not tainted 6.0.0-rc7-syzkaller-00220-gffb4d94b4314 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
RIP: 0010:__mutex_lock_common+0x1bb7/0x26c0 kernel/locking/mutex.c:582
Code: 84 c0 0f 85 99 08 00 00 83 3d 6c 1e e4 03 00 0f 85 83 e5 ff ff 48 c7 c7 60 5d ad 8a 48 c7 c6 e0 5d ad 8a 31 c0 e8 09 aa 0f f7 <0f> 0b e9 67 e5 ff ff e8 fd c6 be f6 e9 f9 fa ff ff 0f 0b e9 b5 ef
RSP: 0018:ffffc90004737820 EFLAGS: 00010246
RAX: 839f24920f32d800 RBX: dffffc0000000000 RCX: 0000000000040000
RDX: ffffc90004e59000 RSI: 0000000000003005 RDI: 0000000000003006
RBP: ffffc90004737990 R08: ffffffff816d5a8d R09: ffffed1017344f14
R10: ffffed1017344f14 R11: 1ffff11017344f13 R12: 0000000000000000
R13: ffff88807986fd28 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fe6ddcb2700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560685c0c950 CR3: 0000000027486000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
 reiserfs_write_lock+0x77/0xd0 fs/reiserfs/lock.c:27
 reiserfs_readdir_inode+0x170/0x1480 fs/reiserfs/dir.c:79
 iterate_dir+0x257/0x5f0
 __do_sys_getdents fs/readdir.c:286 [inline]
 __se_sys_getdents+0x1e9/0x4a0 fs/readdir.c:271
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe6dca8a5a9
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe6ddcb2168 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007fe6dcbabf80 RCX: 00007fe6dca8a5a9
RDX: 0000000000000018 RSI: 0000000020000380 RDI: 0000000000000003
RBP: 00007fe6dcae5580 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe5332fe6f R14: 00007fe6ddcb2300 R15: 0000000000022000
 </TASK>