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DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff888049918e38, owner = 0x0, curr 0xffff888000ef8000, list empty
WARNING: CPU: 0 PID: 5105 at kernel/locking/rwsem.c:1368 __up_write kernel/locking/rwsem.c:1367 [inline]
WARNING: CPU: 0 PID: 5105 at kernel/locking/rwsem.c:1368 up_write+0x502/0x590 kernel/locking/rwsem.c:1630
Modules linked in:
CPU: 0 UID: 0 PID: 5105 Comm: syz.0.0 Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
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+0x502/0x590 kernel/locking/rwsem.c:1630
Code: c7 c7 80 be 0a 8c 48 c7 c6 00 c1 0a 8c 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 33 43 e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6a fd ff ff 48 c7 c1 40 31 1d 90 80 e1 07 80 c1 03
RSP: 0018:ffffc9000af8fd20 EFLAGS: 00010292
RAX: 10006b83bc1b9b00 RBX: ffffffff8c0abf60 RCX: ffff888000ef8000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000af8fdf0 R08: ffffffff8155d402 R09: fffffbfff1cf9fe0
R10: dffffc0000000000 R11: fffffbfff1cf9fe0 R12: 0000000000000000
R13: ffff888049918e38 R14: 1ffff920015f1fac R15: dffffc0000000000
FS:  00007fd0eb7596c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001480 CR3: 00000000365fa000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_unlock include/linux/fs.h:820 [inline]
 done_path_create fs/namei.c:4077 [inline]
 do_mknodat+0x4c5/0x5b0 fs/namei.c:4200
 __do_sys_mknod fs/namei.c:4218 [inline]
 __se_sys_mknod fs/namei.c:4216 [inline]
 __x64_sys_mknod+0x8c/0xa0 fs/namei.c:4216
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd0ea97dff9
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:00007fd0eb759038 EFLAGS: 00000246 ORIG_RAX: 0000000000000085
RAX: ffffffffffffffda RBX: 00007fd0eab36058 RCX: 00007fd0ea97dff9
RDX: 0000000000000400 RSI: 0000000000001000 RDI: 0000000020000280
RBP: 00007fd0ea9f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fd0eab36058 R15: 00007ffc69bbd088
 </TASK>