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DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff88805578c9b8, owner = 0x0, curr 0xffff88802eac3c80, list empty
WARNING: kernel/locking/rwsem.c:1381 at __up_write kernel/locking/rwsem.c:1380 [inline], CPU#0: syz.8.574/9190
WARNING: kernel/locking/rwsem.c:1381 at up_write+0x3a2/0x420 kernel/locking/rwsem.c:1643, CPU#0: syz.8.574/9190
Modules linked in:
CPU: 0 UID: 0 PID: 9190 Comm: syz.8.574 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
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 00 ea aa 8b 48 c7 c6 20 ec aa 8b 48 8b 14 24 4c 89 f1 4d 89 e0 4c 8b 4c 24 08 41 52 e8 83 56 e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6d fd ff ff 48 c7 c1 34 23 c4 8f 80 e1 07 80 c1 03
RSP: 0018:ffffc90003017db0 EFLAGS: 00010292
RAX: 0eddfb9a56668700 RBX: ffff88805578c9b8 RCX: 0000000000080000
RDX: ffffc9000f1f4000 RSI: 000000000000685b RDI: 000000000000685c
RBP: dffffc0000000000 R08: ffffc90003017ac7 R09: 1ffff92000602f58
R10: dffffc0000000000 R11: fffff52000602f59 R12: 0000000000000000
R13: ffff88805578ca10 R14: ffff88805578c9b8 R15: 1ffff1100aaf1938
FS:  00007f0daf60a6c0(0000) GS:ffff8881259e8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc6e4ee5730 CR3: 0000000055d46000 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_mkdir fs/namei.c:4429 [inline]
 __se_sys_mkdir fs/namei.c:4427 [inline]
 __x64_sys_mkdir+0x6c/0x80 fs/namei.c:4427
 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: 0033:0x7f0dae78eba9
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:00007f0daf60a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f0dae9d6090 RCX: 00007f0dae78eba9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000200
RBP: 00007f0dae811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0dae9d6128 R14: 00007f0dae9d6090 R15: 00007ffd008d6578
 </TASK>