netlink: 384 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 384 bytes leftover after parsing attributes in process `syz-executor.0'. INFO: task syz-executor.6:11907 blocked for more than 143 seconds. Not tainted 5.10.234 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.6 state:D stack:27936 pid:11907 ppid: 286 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:3797 [inline] __schedule+0x824/0x1ea0 kernel/sched/core.c:4545 schedule+0xcb/0x270 kernel/sched/core.c:4623 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4682 __mutex_lock_common kernel/locking/mutex.c:1047 [inline] __mutex_lock+0x7a8/0x10b0 kernel/locking/mutex.c:1109 perf_event_init_context kernel/events/core.c:13026 [inline] perf_event_init_task+0x25a/0x800 kernel/events/core.c:13101 copy_process+0x182e/0x7800 kernel/fork.c:2100 kernel_clone+0xe7/0x980 kernel/fork.c:2506 __do_sys_clone+0xc8/0x110 kernel/fork.c:2623 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fa265114f41 RSP: 002b:00007ffe4254dec8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fa262626700 RCX: 00007fa265114f41 RDX: 00007fa2626269d0 RSI: 00007fa2626262f0 RDI: 00000000003d0f00 RBP: 00007ffe4254e100 R08: 00007fa262626700 R09: 00007fa262626700 R10: 00007fa2626269d0 R11: 0000000000000206 R12: 00007ffe4254df7e R13: 00007ffe4254df7f R14: 00007fa262626300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84ff9a20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x27b kernel/locking/lockdep.c:6407 1 lock held by in:imklog/178: 2 locks held by kworker/u4:0/8196: #0: ffff888008071138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888008071138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff888008071138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline] #0: ffff888008071138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:617 [inline] #0: ffff888008071138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: ffff888008071138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x8ac/0x14b0 kernel/workqueue.c:2253 #1: ffff88803d697da8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x8df/0x14b0 kernel/workqueue.c:2257 1 lock held by syz-executor.6/11907: #0: ffff888049b400b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_init_context kernel/events/core.c:13026 [inline] #0: ffff888049b400b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_init_task+0x25a/0x800 kernel/events/core.c:13101 3 locks held by syz-executor.6/11908: =============================================