Bluetooth: hci8: command 0x041b tx timeout Bluetooth: hci8: command 0x040f tx timeout Bluetooth: hci8: command 0x0419 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.0:11928 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D28648 11928 8125 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 perf_event_ctx_lock_nested+0x237/0x430 kernel/events/core.c:1283 perf_event_ctx_lock kernel/events/core.c:1296 [inline] perf_event_release_kernel+0x11c/0xcd0 kernel/events/core.c:4605 perf_release+0x33/0x40 kernel/events/core.c:4703 __fput+0x2ce/0x890 fs/file_table.c:278 task_work_run+0x148/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f1149272fab Code: Bad RIP value. RSP: 002b:00007ffd16653890 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f1149272fab RDX: 0000001b2f320000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 00007f11493e2980 R08: 0000000000000000 R09: 000000603e7cd6f3 R10: 0011b63dc26266da R11: 0000000000000293 R12: 000000000005af71 R13: 00007ffd16653990 R14: 00007f11493e0f80 R15: 0000000000000032 INFO: task syz-executor.0:11936 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D27888 11936 8125 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 mutex_lock_double kernel/events/core.c:10470 [inline] __perf_event_ctx_lock_double kernel/events/core.c:10529 [inline] __do_sys_perf_event_open kernel/events/core.c:10784 [inline] __se_sys_perf_event_open+0x1863/0x2720 kernel/events/core.c:10549 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f11492c10f9 Code: Bad RIP value. RSP: 002b:00007f1147812168 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f11493e1050 RCX: 00007f11492c10f9 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000000 RBP: 00007f114931cae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd1665382f R14: 00007f1147812300 R15: 0000000000022000 INFO: task syz-executor.5:11942 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D28864 11942 8143 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 mutex_lock_double kernel/events/core.c:10470 [inline] __perf_event_ctx_lock_double kernel/events/core.c:10529 [inline] __do_sys_perf_event_open kernel/events/core.c:10784 [inline] __se_sys_perf_event_open+0x1863/0x2720 kernel/events/core.c:10549 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fe94ce9a0f9 Code: Bad RIP value. RSP: 002b:00007fe94b40c168 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fe94cfb9f80 RCX: 00007fe94ce9a0f9 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000000 RBP: 00007fe94cef5ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffea1af44cf R14: 00007fe94b40c300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 000000008d10b69b (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by syz-executor.0/11928: #0: 00000000d619726d (&cpuctx_mutex){+.+.}, at: perf_event_ctx_lock_nested+0x237/0x430 kernel/events/core.c:1283 2 locks held by syz-executor.0/11936: #0: 00000000d619726d (&cpuctx_mutex){+.+.}, at: mutex_lock_double kernel/events/core.c:10469 [inline] #0: 00000000d619726d (&cpuctx_mutex){+.+.}, at: __perf_event_ctx_lock_double kernel/events/core.c:10529 [inline] #0: 00000000d619726d (&cpuctx_mutex){+.+.}, at: __do_sys_perf_event_open kernel/events/core.c:10784 [inline] #0: 00000000d619726d (&cpuctx_mutex){+.+.}, at: __se_sys_perf_event_open+0x1856/0x2720 kernel/events/core.c:10549 #1: 00000000d619726d (&cpuctx_mutex/1){+.+.}, at: mutex_lock_double kernel/events/core.c:10470 [inline] #1: 00000000d619726d (&cpuctx_mutex/1){+.+.}, at: __perf_event_ctx_lock_double kernel/events/core.c:10529 [inline] #1: 00000000d619726d (&cpuctx_mutex/1){+.+.}, at: __do_sys_perf_event_open kernel/events/core.c:10784 [inline] #1: 00000000d619726d (&cpuctx_mutex/1){+.+.}, at: __se_sys_perf_event_open+0x1863/0x2720 kernel/events/core.c:10549 2 locks held by syz-executor.5/11942: #0: 000000003b697a16 (&cpuctx_mutex){+.+.}, at: mutex_lock_double kernel/events/core.c:10469 [inline] #0: 000000003b697a16 (&cpuctx_mutex){+.+.}, at: __perf_event_ctx_lock_double kernel/events/core.c:10529 [inline] #0: 000000003b697a16 (&cpuctx_mutex){+.+.}, at: __do_sys_perf_event_open kernel/events/core.c:10784 [inline] #0: 000000003b697a16 (&cpuctx_mutex){+.+.}, at: __se_sys_perf_event_open+0x1856/0x2720 kernel/events/core.c:10549 #1: 00000000d619726d (&cpuctx_mutex/1){+.+.}, at: mutex_lock_double kernel/events/core.c:10470 [inline] #1: 00000000d619726d (&cpuctx_mutex/1){+.+.}, at: __perf_event_ctx_lock_double kernel/events/core.c:10529 [inline] #1: 00000000d619726d (&cpuctx_mutex/1){+.+.}, at: __do_sys_perf_event_open kernel/events/core.c:10784 [inline] #1: 00000000d619726d (&cpuctx_mutex/1){+.+.}, at: __se_sys_perf_event_open+0x1863/0x2720 kernel/events/core.c:10549 1 lock held by syz-executor.5/12627: #0: 000000003b697a16 (&cpuctx_mutex){+.+.}, at: __do_sys_perf_event_open kernel/events/core.c:10822 [inline] #0: 000000003b697a16 (&cpuctx_mutex){+.+.}, at: __se_sys_perf_event_open+0xaf7/0x2720 kernel/events/core.c:10549 1 lock held by syz-executor.5/12629: #0: 00000000d619726d (&cpuctx_mutex){+.+.}, at: __do_sys_perf_event_open kernel/events/core.c:10822 [inline] #0: 00000000d619726d (&cpuctx_mutex){+.+.}, at: __se_sys_perf_event_open+0xaf7/0x2720 kernel/events/core.c:10549 1 lock held by syz-executor.5/12983: #0: 000000003b697a16 (&cpuctx_mutex){+.+.}, at: __do_sys_perf_event_open kernel/events/core.c:10822 [inline] #0: 000000003b697a16 (&cpuctx_mutex){+.+.}, at: __se_sys_perf_event_open+0xaf7/0x2720 kernel/events/core.c:10549 1 lock held by syz-executor.5/12984: #0: 00000000d619726d (&cpuctx_mutex){+.+.}, at: __do_sys_perf_event_open kernel/events/core.c:10822 [inline] #0: 00000000d619726d (&cpuctx_mutex){+.+.}, at: __se_sys_perf_event_open+0xaf7/0x2720 kernel/events/core.c:10549 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60