WARNING: CPU: 0 PID: 14177 at kernel/locking/mutex.c:582 __mutex_lock_common kernel/locking/mutex.c:582 [inline]
WARNING: CPU: 0 PID: 14177 at kernel/locking/mutex.c:582 __mutex_lock+0xc39/0xd60 kernel/locking/mutex.c:747
Modules linked in:
CPU: 0 PID: 14177 Comm: syz-executor.2 Not tainted 6.6.0-rc2-syzkaller-00018-g2cf0f7156238 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:582 [inline]
RIP: 0010:__mutex_lock+0xc39/0xd60 kernel/locking/mutex.c:747
Code: 04 20 84 c0 0f 85 13 01 00 00 83 3d b0 42 c4 03 00 0f 85 e2 f4 ff ff 48 c7 c7 a0 8f 0a 8b 48 c7 c6 40 90 0a 8b e8 c7 d6 7d f6 <0f> 0b e9 c8 f4 ff ff 0f 0b e9 d8 f8 ff ff 0f 0b e9 55 f5 ff ff 48
RSP: 0018:ffffc9000e0d7980 EFLAGS: 00010246
RAX: 03418ac0f8f1ae00 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90005359000 RSI: 000000000000645a RDI: 000000000000645b
RBP: ffffc9000e0d7ae0 R08: ffffffff81543312 R09: 1ffff1101732516a
R10: dffffc0000000000 R11: ffffed101732516b R12: dffffc0000000000
R13: ffff888021a0f028 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007f8ece24b6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f461ccc56be CR3: 0000000028e2a000 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_one_qstr_excl+0x11b/0x250 fs/namei.c:1608
 filename_create+0x297/0x530 fs/namei.c:3890
 do_mkdirat+0xb7/0x520 fs/namei.c:4135
 __do_sys_mkdirat fs/namei.c:4158 [inline]
 __se_sys_mkdirat fs/namei.c:4156 [inline]
 __x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4156
 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: 0033:0x7f8ecd47cae9
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:00007f8ece24b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f8ecd59bf80 RCX: 00007f8ecd47cae9
RDX: 00000000000001ff RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007f8ecd4c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f8ecd59bf80 R15: 00007ffc7dd3c108
 </TASK>