------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff8880562f2278, owner = 0x0, curr 0xffff888036828000, list empty WARNING: CPU: 0 PID: 19444 at kernel/locking/rwsem.c:1370 __up_write kernel/locking/rwsem.c:1369 [inline] WARNING: CPU: 0 PID: 19444 at kernel/locking/rwsem.c:1370 up_write+0x502/0x590 kernel/locking/rwsem.c:1632 Modules linked in: CPU: 0 PID: 19444 Comm: syz-executor.2 Not tainted 6.9.0-rc3-next-20240412-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:__up_write kernel/locking/rwsem.c:1369 [inline] RIP: 0010:up_write+0x502/0x590 kernel/locking/rwsem.c:1632 Code: c7 c7 20 c6 ca 8b 48 c7 c6 a0 c8 ca 8b 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 53 a1 e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6a fd ff ff 48 c7 c1 00 1a ac 8f 80 e1 07 80 c1 03 RSP: 0018:ffffc900020dfd20 EFLAGS: 00010292 RAX: 6b073c095a948d00 RBX: ffffffff8bcac700 RCX: 0000000000040000 RDX: ffffc900223aa000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc900020dfdf0 R08: ffffffff81589c92 R09: fffffbfff1c39910 R10: dffffc0000000000 R11: fffffbfff1c39910 R12: 0000000000000000 R13: ffff8880562f2278 R14: 1ffff9200041bfac R15: dffffc0000000000 FS: 00007fa8ffbde6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c000a99e80 CR3: 00000000586f2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_unlock include/linux/fs.h:796 [inline] done_path_create fs/namei.c:3943 [inline] do_mknodat+0x4c5/0x5b0 fs/namei.c:4066 __do_sys_mknod fs/namei.c:4084 [inline] __se_sys_mknod fs/namei.c:4082 [inline] __x64_sys_mknod+0x8e/0xa0 fs/namei.c:4082 do_syscall_x64 arch/x86/entry/common.c:74 [inline] do_syscall_64+0xfa/0x250 arch/x86/entry/common.c:105 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa90007de69 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:00007fa8ffbde0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000085 RAX: ffffffffffffffda RBX: 00007fa9001ac050 RCX: 00007fa90007de69 RDX: 0000000000000704 RSI: 0000000000000000 RDI: 0000000020000080 RBP: 00007fa9000ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fa9001ac050 R15: 00007ffde02778d8