DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff8880559f1950, owner = 0x0, curr 0xffff888025bbd940, list empty
WARNING: CPU: 0 PID: 4887 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline]
WARNING: CPU: 0 PID: 4887 at kernel/locking/rwsem.c:1372 up_write+0x3a1/0x420 kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 0 PID: 4887 Comm: syz.0.93 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__up_write kernel/locking/rwsem.c:1371 [inline]
RIP: 0010:up_write+0x3a1/0x420 kernel/locking/rwsem.c:1626
Code: 44 d0 48 c7 c7 00 f9 8b 8a 48 c7 c6 40 fb 8b 8a 48 8b 14 24 4c 89 f1 4d 89 e0 4c 8b 4c 24 08 41 52 e8 b3 8f ea ff 48 83 c4 08 <0f> 0b e9 6b fd ff ff 48 c7 c1 68 a1 1f 8e 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc9000c207df0 EFLAGS: 00010296
RAX: 1d58131c67cdea00 RBX: ffff8880559f1950 RCX: 0000000000080000
RDX: ffffc90005ad2000 RSI: 0000000000014248 RDI: 0000000000014249
RBP: dffffc0000000000 R08: dffffc0000000000 R09: fffff52001840f4d
R10: fffff52001840f4d R11: 1ffff92001840f4c R12: 0000000000000000
R13: ffff8880559f19a8 R14: ffff8880559f1950 R15: 1ffff1100ab3e32b
FS: 00007f6c8b91d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5b52b7f000 CR3: 000000002871c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
inode_unlock include/linux/fs.h:763 [inline]
done_path_create fs/namei.c:3935 [inline]
do_mkdirat+0x212/0x430 fs/namei.c:4142
__do_sys_mkdirat fs/namei.c:4154 [inline]
__se_sys_mkdirat fs/namei.c:4152 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4152
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f6c8a98efc9
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:00007f6c8b91d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f6c8abe5fa0 RCX: 00007f6c8a98efc9
RDX: 0000000000000000 RSI: 0000200000000100 RDI: ffffffffffffff9c
RBP: 00007f6c8aa11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6c8abe6038 R14: 00007f6c8abe5fa0 R15: 00007ffc2e66c988
</TASK>