------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff88803bb8d450, owner = 0x0, curr 0xffff888012755940, list empty WARNING: CPU: 1 PID: 18246 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline] WARNING: CPU: 1 PID: 18246 at kernel/locking/rwsem.c:1372 up_write+0x4f5/0x580 kernel/locking/rwsem.c:1626 Modules linked in: CPU: 1 PID: 18246 Comm: syz-executor.0 Not tainted 6.1.63-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:__up_write kernel/locking/rwsem.c:1371 [inline] RIP: 0010:up_write+0x4f5/0x580 kernel/locking/rwsem.c:1626 Code: 48 c7 c7 c0 d6 eb 8a 48 c7 c6 00 d9 eb 8a 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 ef dd e8 ff 48 83 c4 08 <0f> 0b e9 71 fd ff ff 48 c7 c1 a8 6b 73 8e 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc90004c4fd40 EFLAGS: 00010292 RAX: e1faab258cc07900 RBX: ffffffff8aebd7a0 RCX: 0000000000040000 RDX: ffffc900060e3000 RSI: 0000000000024179 RDI: 000000000002417a RBP: ffffc90004c4fe10 R08: ffffffff81527dae R09: fffff52000989f09 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffff88803bb8d450 R14: 1ffff92000989fb0 R15: dffffc0000000000 FS: 00007fcbfbdbc6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002000eb78 CR3: 000000007ebdc000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_unlock include/linux/fs.h:761 [inline] done_path_create fs/namei.c:3858 [inline] do_mkdirat+0x278/0x360 fs/namei.c:4065 __do_sys_mkdirat fs/namei.c:4077 [inline] __se_sys_mkdirat fs/namei.c:4075 [inline] __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4075 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcbfd27cae9 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:00007fcbfbdbc0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007fcbfd39c120 RCX: 00007fcbfd27cae9 RDX: 0000000000000000 RSI: 0000000020000440 RDI: 0000000000000004 RBP: 00007fcbfd2c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fcbfd39c120 R15: 00007ffe63bf8d08