------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff888058a000d8, owner = 0x0, curr 0xffff888025fe0000, list empty WARNING: CPU: 0 PID: 6375 at kernel/locking/rwsem.c:1368 __up_write kernel/locking/rwsem.c:1367 [inline] WARNING: CPU: 0 PID: 6375 at kernel/locking/rwsem.c:1368 up_write+0x3a2/0x420 kernel/locking/rwsem.c:1630 Modules linked in: CPU: 0 UID: 0 PID: 6375 Comm: syz.5.128 Not tainted 6.15.0-rc6-syzkaller-00346-g5723cc3450bc #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__up_write kernel/locking/rwsem.c:1367 [inline] RIP: 0010:up_write+0x3a2/0x420 kernel/locking/rwsem.c:1630 Code: d0 48 c7 c7 80 da 6a 8b 48 c7 c6 a0 dc 6a 8b 48 8b 14 24 4c 89 f1 4d 89 e0 4c 8b 4c 24 08 41 52 e8 23 75 e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6d fd ff ff 48 c7 c1 54 62 7f 8f 80 e1 07 80 c1 03 RSP: 0018:ffffc9001d1b7dd0 EFLAGS: 00010292 RAX: a9bd33044e8a5400 RBX: ffff888058a000d8 RCX: 0000000000080000 RDX: ffffc9000c9d6000 RSI: 000000000000c89c RDI: 000000000000c89d RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bba984 R12: 0000000000000000 R13: ffff888058a00130 R14: ffff888058a000d8 R15: 1ffff1100b14001c FS: 00007f35bcd876c0(0000) GS:ffff8881260c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2681171440 CR3: 00000000329f2000 CR4: 0000000000350ef0 Call Trace: inode_unlock include/linux/fs.h:872 [inline] done_path_create fs/namei.c:4170 [inline] do_mkdirat+0x2b5/0x590 fs/namei.c:4397 __do_sys_mkdirat fs/namei.c:4409 [inline] __se_sys_mkdirat fs/namei.c:4407 [inline] __x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4407 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f35bbf8e969 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f35bcd87038 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f35bc1b5fa0 RCX: 00007f35bbf8e969 RDX: 0000000000000000 RSI: 0000200000000100 RDI: ffffffffffffff9c RBP: 00007f35bc010ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f35bc1b5fa0 R15: 00007ffc6b933888