DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff888060746a70, owner = 0x0, curr 0xffff888029969dc0, list empty
WARNING: CPU: 1 PID: 6255 at kernel/locking/rwsem.c:1350 __up_write kernel/locking/rwsem.c:1349 [inline]
WARNING: CPU: 1 PID: 6255 at kernel/locking/rwsem.c:1350 up_write+0x4f5/0x580 kernel/locking/rwsem.c:1604
Modules linked in:
CPU: 1 PID: 6255 Comm: syz.2.339 Not tainted 5.15.172-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__up_write kernel/locking/rwsem.c:1349 [inline]
RIP: 0010:up_write+0x4f5/0x580 kernel/locking/rwsem.c:1604
Code: 48 c7 c7 00 1e 8b 8a 48 c7 c6 c0 20 8b 8a 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 2f 09 ea ff 48 83 c4 08 <0f> 0b e9 71 fd ff ff 48 c7 c1 88 9d e9 8d 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc900031f7c20 EFLAGS: 00010292
RAX: aa70b1d767c92a00 RBX: ffffffff8a8b1ee0 RCX: 0000000000040000
RDX: ffffc9000cf49000 RSI: 0000000000017512 RDI: 0000000000017513
RBP: ffffc900031f7cf0 R08: ffffffff81669a1c R09: ffffed1017224f24
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff888060746a70 R14: 1ffff9200063ef8c R15: dffffc0000000000
FS: 00007ffaa18486c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc230d2e38 CR3: 000000006427f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
inode_unlock include/linux/fs.h:794 [inline]
filename_create+0x387/0x530 fs/namei.c:3864
do_mknodat+0x176/0x690 fs/namei.c:3981
__do_sys_mknod fs/namei.c:4027 [inline]
__se_sys_mknod fs/namei.c:4025 [inline]
__x64_sys_mknod+0x8a/0xa0 fs/namei.c:4025
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ffaa3635719
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:00007ffaa1848038 EFLAGS: 00000246 ORIG_RAX: 0000000000000085
RAX: ffffffffffffffda RBX: 00007ffaa37ed208 RCX: 00007ffaa3635719
RDX: 0000000000000704 RSI: 0000000000000000 RDI: 000000002009e000
RBP: 00007ffaa36a875e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ffaa37ed208 R15: 00007ffebefa1978
</TASK>