------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff888054eda278, owner = 0x0, curr 0xffff888020aa8000, list empty WARNING: CPU: 0 PID: 5578 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline] WARNING: CPU: 0 PID: 5578 at kernel/locking/rwsem.c:1372 up_write+0x4f5/0x580 kernel/locking/rwsem.c:1626 Modules linked in: CPU: 0 PID: 5578 Comm: syz.0.267 Not tainted 6.1.131-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 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 10 0c 8b 48 c7 c6 00 13 0c 8b 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 4f bb e8 ff 48 83 c4 08 <0f> 0b e9 71 fd ff ff 48 c7 c1 38 e9 a0 8e 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc9000cab7d20 EFLAGS: 00010292 RAX: 998b30c7cbffdd00 RBX: ffffffff8b0c11a0 RCX: 0000000000080000 RDX: ffffc9000e4f1000 RSI: 000000000001e89e RDI: 000000000001e89f RBP: ffffc9000cab7df0 R08: ffffffff8152c26e R09: fffffbfff225727f R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffff888054eda278 R14: 1ffff92001956fac R15: dffffc0000000000 FS: 00007fc2a84036c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d60aff8 CR3: 0000000024d92000 CR4: 00000000003506f0 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_mknodat fs/namei.c:4063 [inline] __se_sys_mknodat fs/namei.c:4060 [inline] __x64_sys_mknodat+0xa5/0xc0 fs/namei.c:4060 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: 0033:0x7fc2a758d169 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:00007fc2a8403038 EFLAGS: 00000246 ORIG_RAX: 0000000000000103 RAX: ffffffffffffffda RBX: 00007fc2a77a6080 RCX: 00007fc2a758d169 RDX: 0000000000000000 RSI: 00004000000000c0 RDI: ffffffffffffff9c RBP: 00007fc2a760e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fc2a77a6080 R15: 00007ffed4927628