netlink: 4 bytes leftover after parsing attributes in process `syz-executor.6'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=67649 comm=syz-executor.6 Process accounting resumed Process accounting resumed INFO: task syz-executor.5:67279 blocked for more than 143 seconds. Not tainted 5.10.215 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:26808 pid:67279 ppid: 291 flags:0x00084004 Call Trace: context_switch kernel/sched/core.c:3800 [inline] __schedule+0x824/0x1ea0 kernel/sched/core.c:4548 schedule+0xcb/0x270 kernel/sched/core.c:4626 perf_event_free_task+0x4a1/0x620 kernel/events/core.c:12717 copy_process+0x2f02/0x7800 kernel/fork.c:2387 create_io_thread+0xb6/0xf0 kernel/fork.c:2454 create_worker_cont+0xe4/0x550 io_uring/io-wq.c:764 task_work_run+0xe2/0x1a0 kernel/task_work.c:161 tracehook_notify_signal include/linux/tracehook.h:211 [inline] handle_signal_work kernel/entry/common.c:143 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x17c/0x190 kernel/entry/common.c:199 syscall_exit_to_user_mode+0x38/0x1d0 kernel/entry/common.c:274 entry_SYSCALL_64_after_hwframe+0x67/0xcc RIP: 0033:0x7faa7fbdcb19 RSP: 002b:00007faa7d152188 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa RAX: 0000000000000114 RBX: 00007faa7fceff60 RCX: 00007faa7fbdcb19 RDX: 0000000000000000 RSI: 00000000000058ab RDI: 0000000000000003 RBP: 00007faa7fc36f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff985bbfcf R14: 00007faa7d152300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84ff8be0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x27b kernel/locking/lockdep.c:6391 1 lock held by in:imklog/199: =============================================