netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. INFO: task syz-executor.1:9250 blocked for more than 143 seconds. Not tainted 6.3.0-rc3-next-20230320 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:27016 pid:9250 ppid:3655 flags:0x00004004 Call Trace: __schedule+0x98d/0x2a00 schedule+0xdb/0x1a0 schedule_preempt_disabled+0x10/0x20 __mutex_lock+0xc10/0x1a30 eventpoll_release_file+0xe1/0x1d0 __fput+0x796/0xa40 task_work_run+0x174/0x280 exit_to_user_mode_prepare+0x17d/0x180 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fac49b0572b RSP: 002b:00007ffee4d02340 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007fac49b0572b RDX: 00007fac49c6bf48 RSI: 0000000000000081 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fac49c6bf48 R13: 00007ffee4d02460 R14: 00007fac49c65f60 R15: 00000000000d3089 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff85609830 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd30 1 lock held by khungtaskd/25: #0: ffffffff8560a380 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 1 lock held by in:imklog/165: #0: ffff88800d92a5e8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xeb/0x110 1 lock held by syz-executor.1/9250: #0: ffff8880433b6468 (&ep->mtx){+.+.}-{3:3}, at: eventpoll_release_file+0xe1/0x1d0 1 lock held by syz-executor.1/9255: =============================================