Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout INFO: task syz-executor.4:3971 blocked for more than 143 seconds. Not tainted 5.10.235 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:27936 pid: 3971 ppid: 284 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:3799 [inline] __schedule+0x824/0x1ea0 kernel/sched/core.c:4547 schedule+0xcb/0x270 kernel/sched/core.c:4625 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4684 __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:13027 [inline] perf_event_init_task+0x25a/0x800 kernel/events/core.c:13102 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: 0033:0x7f8f3ecaef41 RSP: 002b:00007ffc14ffb0c8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f8f3c19f700 RCX: 00007f8f3ecaef41 RDX: 00007f8f3c19f9d0 RSI: 00007f8f3c19f2f0 RDI: 00000000003d0f00 RBP: 00007ffc14ffb300 R08: 00007f8f3c19f700 R09: 00007f8f3c19f700 R10: 00007f8f3c19f9d0 R11: 0000000000000206 R12: 00007ffc14ffb17e R13: 00007ffc14ffb17f R14: 00007f8f3c19f300 R15: 0000000000022000 INFO: task syz-executor.4:3995 blocked for more than 143 seconds. Not tainted 5.10.235 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:29504 pid: 3995 ppid: 284 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:3799 [inline] __schedule+0x824/0x1ea0 kernel/sched/core.c:4547 schedule+0xcb/0x270 kernel/sched/core.c:4625 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4684 __mutex_lock_common kernel/locking/mutex.c:1047 [inline] __mutex_lock+0x7a8/0x10b0 kernel/locking/mutex.c:1109 mutex_lock_double kernel/events/core.c:11717 [inline] __perf_event_ctx_lock_double kernel/events/core.c:11861 [inline] __do_sys_perf_event_open+0x1244/0x2e60 kernel/events/core.c:12134 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f8f3ecadb19 RSP: 002b:00007f8f3c1e1188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f8f3edc10e0 RCX: 00007f8f3ecadb19 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000020001d80 RBP: 00007f8f3ed07f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc14ffb17f R14: 00007f8f3c1e1300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/23: #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: 1 lock held by syz-executor.4/3971: #0: ffff88800efd30b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_init_context kernel/events/core.c:13027 [inline] #0: ffff88800efd30b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_init_task+0x25a/0x800 kernel/events/core.c:13102 3 locks held by syz-executor.4/3995: #0: ffff888015f34d58 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc1/0x2e60 kernel/events/core.c:12116 #1: ffff88800efd30b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11716 [inline] #1: ffff88800efd30b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11861 [inline] #1: ffff88800efd30b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1237/0x2e60 kernel/events/core.c:12134 #2: ffff88800efd30b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11717 [inline] #2: ffff88800efd30b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11861 [inline] #2: ffff88800efd30b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1244/0x2e60 kernel/events/core.c:12134 =============================================