------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff88808ba86a90, owner = 0x0, curr 0xffff888036d74100, list empty WARNING: CPU: 0 PID: 23976 at kernel/locking/rwsem.c:1369 __up_write kernel/locking/rwsem.c:1369 [inline] WARNING: CPU: 0 PID: 23976 at kernel/locking/rwsem.c:1369 up_write+0x425/0x520 kernel/locking/rwsem.c:1626 Modules linked in: CPU: 0 PID: 23976 Comm: syz-executor.1 Not tainted 6.4.0-syzkaller-01406-ge8f75c0270d9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:__up_write kernel/locking/rwsem.c:1369 [inline] RIP: 0010:up_write+0x425/0x520 kernel/locking/rwsem.c:1626 Code: 3c 02 00 0f 85 da 00 00 00 48 8b 55 00 4d 89 f1 53 4d 89 f8 4c 89 e9 48 c7 c6 80 53 4c 8a 48 c7 c7 20 52 4c 8a e8 8b 8a e7 ff <0f> 0b 59 e9 dd fc ff ff 48 89 df e8 db e8 71 00 e9 1a fc ff ff 48 RSP: 0018:ffffc9000515fe08 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffffff8a4c5160 RCX: ffffc90004082000 RDX: 0000000000040000 RSI: ffffffff814b3407 RDI: 0000000000000001 RBP: ffff88808ba86a90 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 00000000000c2e88 R12: ffff88808ba86a98 R13: ffff88808ba86a90 R14: ffff888036d74100 R15: 0000000000000000 FS: 00007fdc70f8b700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a33b641198 CR3: 0000000064c76000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_unlock include/linux/fs.h:776 [inline] done_path_create fs/namei.c:3937 [inline] do_mkdirat+0x199/0x310 fs/namei.c:4143 __do_sys_mkdirat fs/namei.c:4155 [inline] __se_sys_mkdirat fs/namei.c:4153 [inline] __x64_sys_mkdirat+0x119/0x170 fs/namei.c:4153 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdc7028c389 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdc70f8b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007fdc703ac050 RCX: 00007fdc7028c389 RDX: 0000000000000000 RSI: 0000000020000300 RDI: ffffffffffffff9c RBP: 00007fdc702d7493 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffd070690f R14: 00007fdc70f8b300 R15: 0000000000022000