------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff88805543d450, owner = 0x0, curr 0xffff88803124d940, list empty WARNING: CPU: 1 PID: 13957 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline] WARNING: CPU: 1 PID: 13957 at kernel/locking/rwsem.c:1372 up_write+0x4f5/0x580 kernel/locking/rwsem.c:1626 Modules linked in: CPU: 1 PID: 13957 Comm: syz.8.1871 Tainted: G W 6.1.122-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 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 e0 f6 0b 8b 48 c7 c6 20 f9 0b 8b 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 2f c3 e8 ff 48 83 c4 08 <0f> 0b e9 71 fd ff ff 48 c7 c1 78 3b 9b 8e 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc900050ffd20 EFLAGS: 00010292 RAX: 6d36506102ec7000 RBX: ffffffff8b0bf7c0 RCX: 0000000000080000 RDX: ffffc9000cdda000 RSI: 000000000001d53c RDI: 000000000001d53d RBP: ffffc900050ffdf0 R08: ffffffff8152b84e R09: fffff52000a1ff05 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffff88805543d450 R14: 1ffff92000a1ffac R15: dffffc0000000000 FS: 00007fd4ead566c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2db19ff8 CR3: 000000005689d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_unlock include/linux/fs.h:763 [inline] done_path_create fs/namei.c:3927 [inline] do_mknodat+0x44f/0x5a0 fs/namei.c:4050 __do_sys_mknod fs/namei.c:4068 [inline] __se_sys_mknod fs/namei.c:4066 [inline] __x64_sys_mknod+0x8a/0xa0 fs/namei.c:4066 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fd4e9f85d29 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:00007fd4ead56038 EFLAGS: 00000246 ORIG_RAX: 0000000000000085 RAX: ffffffffffffffda RBX: 00007fd4ea176080 RCX: 00007fd4e9f85d29 RDX: 0000000000000710 RSI: 0000000000002000 RDI: 0000000020000080 RBP: 00007fd4ea001b08 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fd4ea176080 R15: 00007ffd627a7a08