------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff88807d602ff8, owner = 0x0, curr 0xffff8880292f5a00, list empty WARNING: CPU: 1 PID: 6285 at kernel/locking/rwsem.c:1370 __up_write kernel/locking/rwsem.c:1369 [inline] WARNING: CPU: 1 PID: 6285 at kernel/locking/rwsem.c:1370 up_write+0x393/0x410 kernel/locking/rwsem.c:1626 Modules linked in: CPU: 1 PID: 6285 Comm: syz.3.85 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:__up_write kernel/locking/rwsem.c:1369 [inline] RIP: 0010:up_write+0x393/0x410 kernel/locking/rwsem.c:1626 Code: 44 d0 48 c7 c7 80 b0 aa 8a 48 c7 c6 c0 b2 aa 8a 48 8b 14 24 4c 89 f1 4d 89 e0 4c 8b 4c 24 08 41 52 e8 61 a0 e9 ff 48 83 c4 08 <0f> 0b e9 7d fd ff ff 48 c7 c1 f0 55 4a 8e 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc9000b6c7df0 EFLAGS: 00010296 RAX: 3778bceea4394b00 RBX: ffff88807d602ff8 RCX: 0000000000080000 RDX: ffffc9000eb40000 RSI: 000000000001b788 RDI: 000000000001b789 RBP: dffffc0000000000 R08: ffffc9000b6c79e7 R09: 1ffff920016d8f3c R10: dffffc0000000000 R11: fffff520016d8f3d R12: 0000000000000000 R13: ffff88807d603050 R14: ffff88807d602ff8 R15: 1ffff1100fac0600 FS: 00007f2f7ff436c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2f7ff42f98 CR3: 000000002d803000 CR4: 00000000003506e0 Call Trace: inode_unlock include/linux/fs.h:809 [inline] done_path_create fs/namei.c:3941 [inline] do_mkdirat+0x216/0x440 fs/namei.c:4147 __do_sys_mkdirat fs/namei.c:4159 [inline] __se_sys_mkdirat fs/namei.c:4157 [inline] __x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4157 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f2f7f18de97 Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 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:00007f2f7ff42e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f2f7ff42ef0 RCX: 00007f2f7f18de97 RDX: 00000000000001ff RSI: 0000200000000340 RDI: 00000000ffffff9c RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000340 R13: 00007f2f7ff42eb0 R14: 0000000000000000 R15: 0000000000000000