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DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff88804412ce38, owner = 0x0, curr 0xffff88801fac8000, list empty
WARNING: CPU: 0 PID: 5325 at kernel/locking/rwsem.c:1368 __up_write kernel/locking/rwsem.c:1367 [inline]
WARNING: CPU: 0 PID: 5325 at kernel/locking/rwsem.c:1368 up_write+0x3a2/0x420 kernel/locking/rwsem.c:1630
Modules linked in:
CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted 6.15.0-rc4-syzkaller-00021-gca91b9500108 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__up_write kernel/locking/rwsem.c:1367 [inline]
RIP: 0010:up_write+0x3a2/0x420 kernel/locking/rwsem.c:1630
Code: d0 48 c7 c7 80 d5 6a 8b 48 c7 c6 a0 d7 6a 8b 48 8b 14 24 4c 89 f1 4d 89 e0 4c 8b 4c 24 08 41 52 e8 c3 76 e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6d fd ff ff 48 c7 c1 54 f8 7e 8f 80 e1 07 80 c1 03
RSP: 0018:ffffc9000d527dd0 EFLAGS: 00010292
RAX: 5a21cc9bbd15df00 RBX: ffff88804412ce38 RCX: ffff88801fac8000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: dffffc0000000000 R08: ffff88801fe23e93 R09: 1ffff11003fc47d2
R10: dffffc0000000000 R11: ffffed1003fc47d3 R12: 0000000000000000
R13: ffff88804412ce90 R14: ffff88804412ce38 R15: 1ffff110088259c8
FS:  00007f1420a886c0(0000) GS:ffff88808d6cc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcd85a1980 CR3: 000000003fdcf000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_unlock include/linux/fs.h:872 [inline]
 done_path_create fs/namei.c:4170 [inline]
 do_mkdirat+0x2b5/0x590 fs/namei.c:4397
 __do_sys_mkdirat fs/namei.c:4409 [inline]
 __se_sys_mkdirat fs/namei.c:4407 [inline]
 __x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4407
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f141fb8e969
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1420a88038 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f141fdb6160 RCX: 00007f141fb8e969
RDX: 00000000000001c0 RSI: 00002000000001c0 RDI: ffffffffffffff9c
RBP: 00007f141fc10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f141fdb6160 R15: 00007ffcd85a2168
 </TASK>