------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(rt_mutex_owner(lock) != current)
WARNING: CPU: 0 PID: 7835 at kernel/locking/rtmutex_common.h:191 debug_rt_mutex_unlock kernel/locking/rtmutex_common.h:191 [inline]
WARNING: CPU: 0 PID: 7835 at kernel/locking/rtmutex_common.h:191 rt_mutex_slowunlock+0x6ce/0x8a0 kernel/locking/rtmutex.c:1419
Modules linked in:
CPU: 0 UID: 0 PID: 7835 Comm: syz.4.312 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:debug_rt_mutex_unlock kernel/locking/rtmutex_common.h:191 [inline]
RIP: 0010:rt_mutex_slowunlock+0x6ce/0x8a0 kernel/locking/rtmutex.c:1419
Code: 0f b6 04 20 84 c0 0f 85 c6 01 00 00 83 3d 0d fc 24 04 00 75 19 90 48 c7 c7 c0 ed 0a 8b 48 c7 c6 00 ee 0a 8b e8 c3 bf 8a f6 90 <0f> 0b 90 90 90 e9 2f fa ff ff 90 0f 0b 90 e9 53 fe ff ff be 02 00
RSP: 0018:ffffc90005b27d00 EFLAGS: 00010046
RAX: 4c9818afc5812500 RBX: ffff888062861ae0 RCX: ffff8880254a3b80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90005b27df0 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1017104863 R12: dffffc0000000000
R13: ffff888062861a90 R14: 0000000000000a02 R15: 1ffff92000b64fa8
FS:  00007ff85af056c0(0000) GS:ffff8881268bf000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fef3f87a000 CR3: 0000000056aba000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 inode_unlock include/linux/fs.h:879 [inline]
 done_path_create fs/namei.c:4177 [inline]
 do_mkdirat+0x2b5/0x590 fs/namei.c:4404
 __do_sys_mkdirat fs/namei.c:4416 [inline]
 __se_sys_mkdirat fs/namei.c:4414 [inline]
 __x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4414
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff85ccbd457
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff85af04e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007ff85af04ef0 RCX: 00007ff85ccbd457
RDX: 00000000000001ff RSI: 0000200000000680 RDI: 00000000ffffff9c
RBP: 0000200000000080 R08: 0000200000000140 R09: 0000000000000000
R10: 0000200000000080 R11: 0000000000000246 R12: 0000200000000680
R13: 00007ff85af04eb0 R14: 0000000000000000 R15: 0000000000000000
 </TASK>