------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff888035dd6310, owner = 0x0, curr 0xffff888022f61dc0, list empty
WARNING: CPU: 0 PID: 5445 at kernel/locking/rwsem.c:1370 __up_write kernel/locking/rwsem.c:1369 [inline]
WARNING: CPU: 0 PID: 5445 at kernel/locking/rwsem.c:1370 up_write+0x4f4/0x580 kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 0 PID: 5445 Comm: syz-executor.4 Not tainted 6.5.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
RIP: 0010:__up_write kernel/locking/rwsem.c:1369 [inline]
RIP: 0010:up_write+0x4f4/0x580 kernel/locking/rwsem.c:1626
Code: 48 c7 c7 60 84 0a 8b 48 c7 c6 a0 86 0a 8b 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 d0 59 e8 ff 48 83 c4 08 <0f> 0b e9 75 fd ff ff 48 c7 c1 88 8b 98 8e 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc90006cf7c80 EFLAGS: 00010292
RAX: 3055b4d283964700 RBX: ffffffff8b0a8540 RCX: 0000000000040000
RDX: ffffc9000b7e2000 RSI: 0000000000011ce3 RDI: 0000000000011ce4
RBP: ffffc90006cf7d50 R08: ffffffff815323a2 R09: 1ffff92000d9ef08
R10: dffffc0000000000 R11: fffff52000d9ef09 R12: 0000000000000000
R13: ffff888035dd6310 R14: 1ffff92000d9ef98 R15: dffffc0000000000
FS:  00007f35da5de6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f35da5ded58 CR3: 0000000078d71000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_unlock include/linux/fs.h:776 [inline]
 unlock_mount fs/namespace.c:2508 [inline]
 do_new_mount_fc fs/namespace.c:3284 [inline]
 do_new_mount+0x854/0xae0 fs/namespace.c:3337
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f35d987cb29
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f35da5de0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f35d999c050 RCX: 00007f35d987cb29
RDX: 0000000020000000 RSI: 0000000020000140 RDI: 0000000000000000
RBP: 00007f35d98c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f35d999c050 R15: 00007ffdcb62ec18
 </TASK>