------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 1 PID: 23679 at kernel/locking/mutex.c:582 __mutex_lock_common kernel/locking/mutex.c:582 [inline]
WARNING: CPU: 1 PID: 23679 at kernel/locking/mutex.c:582 __mutex_lock+0x912/0x1340 kernel/locking/mutex.c:747
Modules linked in:
CPU: 1 PID: 23679 Comm: syz-executor.4 Not tainted 6.5.0-rc6-syzkaller-00193-g8abd7287db92 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:582 [inline]
RIP: 0010:__mutex_lock+0x912/0x1340 kernel/locking/mutex.c:747
Code: 08 84 d2 0f 85 d1 09 00 00 8b 05 a5 32 77 04 85 c0 0f 85 50 f8 ff ff 48 c7 c6 40 6e 6c 8a 48 c7 c7 00 6c 6c 8a e8 7e 25 18 f7 <0f> 0b e9 36 f8 ff ff 48 8b 85 e0 fe ff ff 48 8d b8 30 09 00 00 48
RSP: 0018:ffffc90015faf610 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc900040b1000
RDX: 0000000000040000 RSI: ffffffff814ccc86 RDI: 0000000000000001
RBP: ffffc90015faf760 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000127328 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888077302428 R15: ffff888077e7d138
FS:  00007f85bffbd6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c68c055fa0 CR3: 000000007d329000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27
 reiserfs_lookup+0x184/0x690 fs/reiserfs/namei.c:364
 lookup_open.isra.0+0x8dc/0x1360 fs/namei.c:3470
 open_last_lookups fs/namei.c:3560 [inline]
 path_openat+0x931/0x29c0 fs/namei.c:3790
 do_filp_open+0x1de/0x430 fs/namei.c:3820
 do_sys_openat2+0x176/0x1e0 fs/open.c:1407
 do_sys_open fs/open.c:1422 [inline]
 __do_sys_open fs/open.c:1430 [inline]
 __se_sys_open fs/open.c:1426 [inline]
 __x64_sys_open+0x154/0x1e0 fs/open.c:1426
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f85bf27cae9
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:00007f85bffbd0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f85bf39bf80 RCX: 00007f85bf27cae9
RDX: 0000000000000000 RSI: 0000000000143142 RDI: 0000000020002000
RBP: 00007f85bf2c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f85bf39bf80 R15: 00007fff4f7251a8
 </TASK>