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DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff88806b6f6438, owner = 0x0, curr 0xffff888034345ac0, list empty
WARNING: kernel/locking/rwsem.c:1381 at __up_write kernel/locking/rwsem.c:1380 [inline], CPU#1: syz.5.3660/17334
WARNING: kernel/locking/rwsem.c:1381 at up_write+0x3a2/0x420 kernel/locking/rwsem.c:1643, CPU#1: syz.5.3660/17334
Modules linked in:
CPU: 1 UID: 0 PID: 17334 Comm: syz.5.3660 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__up_write kernel/locking/rwsem.c:1380 [inline]
RIP: 0010:up_write+0x3a2/0x420 kernel/locking/rwsem.c:1643
Code: d0 48 c7 c7 40 ea aa 8b 48 c7 c6 60 ec aa 8b 48 8b 14 24 4c 89 f1 4d 89 e0 4c 8b 4c 24 08 41 52 e8 83 55 e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6d fd ff ff 48 c7 c1 64 ff c3 8f 80 e1 07 80 c1 03
RSP: 0018:ffffc9000f59fdb0 EFLAGS: 00010292
RAX: b2a0e13bfd890c00 RBX: ffff88806b6f6438 RCX: 0000000000080000
RDX: ffffc9001b2c2000 RSI: 00000000000139bb RDI: 00000000000139bc
RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1c3a66c R12: 0000000000000000
R13: ffff88806b6f6490 R14: ffff88806b6f6438 R15: 1ffff1100d6dec88
FS:  00007f0ffaf886c0(0000) GS:ffff888125af0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9be0917000 CR3: 0000000066a60000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 inode_unlock include/linux/fs.h:990 [inline]
 done_path_create fs/namei.c:4185 [inline]
 do_mkdirat+0x2b5/0x590 fs/namei.c:4412
 __do_sys_mkdirat fs/namei.c:4424 [inline]
 __se_sys_mkdirat fs/namei.c:4422 [inline]
 __x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4422
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0ffa18d417
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:00007f0ffaf87e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f0ffaf87ef0 RCX: 00007f0ffa18d417
RDX: 00000000000001ff RSI: 0000200000000140 RDI: 00000000ffffff9c
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000140
R13: 00007f0ffaf87eb0 R14: 0000000000000000 R15: 0000000000000000
 </TASK>