netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. INFO: task kworker/u4:8:8122 blocked for more than 143 seconds. Not tainted 6.4.0-rc2-next-20230519 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:8 state:D stack:25424 pid:8122 ppid:2 flags:0x00004000 Workqueue: events_unbound io_ring_exit_work Call Trace: __schedule+0x9a9/0x2b10 schedule+0xdb/0x1a0 schedule_timeout+0x3b0/0x400 __wait_for_common+0x1d3/0x550 io_ring_exit_work+0x49b/0x1360 process_one_work+0xabf/0x1770 worker_thread+0x64f/0x12a0 kthread+0x33f/0x440 ret_from_fork+0x2c/0x50 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8560a670 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd30 1 lock held by khungtaskd/25: #0: ffffffff8560b240 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 1 lock held by in:imklog/166: #0: ffff88800d5dd4e8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xeb/0x110 2 locks held by kworker/u4:8/8122: #0: ffff888008471138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x99d/0x1770 #1: ffff888045d9fdb0 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x9d0/0x1770 2 locks held by syz-executor/16909: ============================================= SELinux: unrecognized netlink message: protocol=0 nlmsg_type=8222 sclass=netlink_route_socket pid=16922 comm=syz-executor.1 perf: interrupt took too long (5046 > 5016), lowering kernel.perf_event_max_sample_rate to 39000