------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 1 PID: 1209 at kernel/locking/mutex.c:582 __mutex_lock_common+0x1a3e/0x2530 kernel/locking/mutex.c:582
Modules linked in:
CPU: 1 PID: 1209 Comm: syz-executor.5 Not tainted 6.5.0-rc7-syzkaller-g706a74159504 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:__mutex_lock_common+0x1a3e/0x2530 kernel/locking/mutex.c:582
Code: 04 28 84 c0 0f 85 82 08 00 00 83 3d f3 ac d2 03 00 0f 85 00 e7 ff ff 48 c7 c7 a0 83 0a 8b 48 c7 c6 40 84 0a 8b e8 02 d2 8c f6 <0f> 0b e9 e6 e6 ff ff e8 16 87 3a f6 e9 59 fb ff ff 0f 0b e9 bd f0
RSP: 0018:ffffc9001509f5a0 EFLAGS: 00010246
RAX: 949eb09ed532d700 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000d457000 RSI: 000000000000af6b RDI: 000000000000af6c
RBP: ffffc9001509f710 R08: ffffffff8152d442 R09: 1ffff11017325162
R10: dffffc0000000000 R11: ffffed1017325163 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fc1611276c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000a000 CR3: 00000000284a9000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799
 reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27
 reiserfs_lookup+0x162/0x580 fs/reiserfs/namei.c:364
 lookup_open fs/namei.c:3470 [inline]
 open_last_lookups fs/namei.c:3560 [inline]
 path_openat+0x11f1/0x3180 fs/namei.c:3790
 do_filp_open+0x234/0x490 fs/namei.c:3820
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1407
 do_sys_open fs/open.c:1422 [inline]
 __do_sys_openat fs/open.c:1438 [inline]
 __se_sys_openat fs/open.c:1433 [inline]
 __x64_sys_openat+0x247/0x290 fs/open.c:1433
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc16047cae9
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:00007fc1611270c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fc16059bf80 RCX: 00007fc16047cae9
RDX: 000000000000275a RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00007fc1604c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc16059bf80 R15: 00007ffc11289eb8
 </TASK>