INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 1 PID: 26710 Comm: syz-executor.3 Not tainted 5.9.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x77/0xa0 lib/dump_stack.c:118 assign_lock_key kernel/locking/lockdep.c:894 [inline] register_lock_class+0x681/0x690 kernel/locking/lockdep.c:1206 __lock_acquire+0x7d/0x2ad0 kernel/locking/lockdep.c:4305 lock_acquire+0xb0/0x3a0 kernel/locking/lockdep.c:5006 rht_lock include/linux/rhashtable.h:331 [inline] __rhashtable_remove_fast_one include/linux/rhashtable.h:1002 [inline] __rhashtable_remove_fast include/linux/rhashtable.h:1083 [inline] rhashtable_remove_fast include/linux/rhashtable.h:1112 [inline] netlink_remove net/netlink/af_netlink.c:599 [inline] netlink_release+0x147/0x9a0 net/netlink/af_netlink.c:741 __sock_release+0x32/0xa0 net/socket.c:596 sock_close+0xf/0x20 net/socket.c:1277 __fput+0xaa/0x250 fs/file_table.c:281 task_work_run+0x68/0xb0 kernel/task_work.c:141 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:140 [inline] exit_to_user_mode_prepare+0x1b6/0x1c0 kernel/entry/common.c:167 syscall_exit_to_user_mode+0x3c/0x270 kernel/entry/common.c:242 __do_fast_syscall_32+0x63/0x80 arch/x86/entry/common.c:127 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:149 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7f18549 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000ffde126c EFLAGS: 00000296 ORIG_RAX: 0000000000000006 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000004 RSI: 0000000008bab680 RDI: 000000000002acaf RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000