DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff888050515118, owner = 0x0, curr 0xffff888023393c00, list empty
WARNING: CPU: 0 PID: 8148 at kernel/locking/rwsem.c:1370 __up_write kernel/locking/rwsem.c:1369 [inline]
WARNING: CPU: 0 PID: 8148 at kernel/locking/rwsem.c:1370 up_write+0x502/0x590 kernel/locking/rwsem.c:1632
Modules linked in:
CPU: 0 UID: 0 PID: 8148 Comm: syz.1.294 Not tainted 6.11.0-rc5-syzkaller-00176-g20371ba12063 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__up_write kernel/locking/rwsem.c:1369 [inline]
RIP: 0010:up_write+0x502/0x590 kernel/locking/rwsem.c:1632
Code: c7 c7 a0 c8 ea 8b 48 c7 c6 20 cb ea 8b 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 73 9b e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6a fd ff ff 48 c7 c1 c0 5d f7 8f 80 e1 07 80 c1 03
RSP: 0018:ffffc90002f77c60 EFLAGS: 00010296
RAX: 721ee3f7ff41ea00 RBX: ffffffff8beac980 RCX: 0000000000040000
RDX: ffffc900102a3000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc90002f77d30 R08: ffffffff8155b212 R09: fffffbfff1cba0e0
R10: dffffc0000000000 R11: fffffbfff1cba0e0 R12: 0000000000000000
R13: ffff888050515118 R14: 1ffff920005eef94 R15: dffffc0000000000
FS:  00007fed393bd6c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fed2dc1f000 CR3: 000000005d044000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_unlock include/linux/fs.h:805 [inline]
 unlock_mount fs/namespace.c:2634 [inline]
 do_new_mount_fc fs/namespace.c:3415 [inline]
 do_new_mount+0x88e/0xb40 fs/namespace.c:3474
 do_mount fs/namespace.c:3812 [inline]
 __do_sys_mount fs/namespace.c:4020 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997
 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: 0033:0x7fed38579ef9
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:00007fed393bd038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fed38716058 RCX: 00007fed38579ef9
RDX: 0000000020000040 RSI: 0000000020000380 RDI: 0000000000000000
RBP: 00007fed385e793e R08: 0000000020000400 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fed38716058 R15: 00007ffdf4025308
 </TASK>