DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff88803b3c1950, owner = 0x0, curr 0xffff888019ec3b80, list empty WARNING: CPU: 1 PID: 7616 at kernel/locking/rwsem.c:1370 __up_write kernel/locking/rwsem.c:1369 [inline] WARNING: CPU: 1 PID: 7616 at kernel/locking/rwsem.c:1370 up_write+0x4f4/0x580 kernel/locking/rwsem.c:1626 Modules linked in: CPU: 1 PID: 7616 Comm: syz-executor.3 Not tainted 6.5.0-rc4-syzkaller-00009-g4b954598a47b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 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 00 83 0a 8b 48 c7 c6 40 85 0a 8b 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 30 59 e8 ff 48 83 c4 08 <0f> 0b e9 75 fd ff ff 48 c7 c1 48 96 98 8e 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc9001588fc80 EFLAGS: 00010292 RAX: bcc47bb094dd4000 RBX: ffffffff8b0a83e0 RCX: 0000000000040000 RDX: ffffc9000cb03000 RSI: 000000000001abf2 RDI: 000000000001abf3 RBP: ffffc9001588fd50 R08: ffffffff8152c3a2 R09: 1ffff92002b11f08 R10: dffffc0000000000 R11: fffff52002b11f09 R12: 0000000000000000 R13: ffff88803b3c1950 R14: 1ffff92002b11f98 R15: dffffc0000000000 FS: 00007f6e0eaf86c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563a844e1768 CR3: 0000000075771000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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: 0033:0x7f6e0de7cae9 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:00007f6e0eaf80c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f6e0df9c050 RCX: 00007f6e0de7cae9 RDX: 0000000020000000 RSI: 0000000020000140 RDI: 0000000000000000 RBP: 00007f6e0dec847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f6e0df9c050 R15: 00007fffd95f1a38