Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout INFO: task syz-executor.6:3925 blocked for more than 143 seconds. Not tainted 5.10.105 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.6 state:D stack:27952 pid: 3925 ppid: 286 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:3791 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4540 schedule+0xcb/0x270 kernel/sched/core.c:4618 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4677 __mutex_lock_common kernel/locking/mutex.c:1047 [inline] __mutex_lock+0x7c9/0x1250 kernel/locking/mutex.c:1109 perf_event_ctx_lock_nested+0x243/0x4a0 kernel/events/core.c:1386 perf_event_ctx_lock kernel/events/core.c:1399 [inline] perf_event_release_kernel+0x3a6/0xc20 kernel/events/core.c:5072 perf_release+0x33/0x40 kernel/events/core.c:5170 __fput+0x285/0x980 fs/file_table.c:281 task_work_run+0xe2/0x1a0 kernel/task_work.c:151 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:164 [inline] exit_to_user_mode_prepare+0x155/0x160 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x38/0x230 kernel/entry/common.c:266 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fd85b85e72b RSP: 002b:00007ffc8be9a580 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007fd85b85e72b RDX: 00007fd85b9c4fe0 RSI: 00000000000f4240 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fd85b9c4550 R10: 00000000000324f4 R11: 0000000000000293 R12: 000000000001b617 R13: 00000000000003e8 R14: 00007fd85b9bef60 R15: 000000000001b605 INFO: task syz-executor.6:3930 blocked for more than 143 seconds. Not tainted 5.10.105 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.6 state:D stack:29232 pid: 3930 ppid: 286 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:3791 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4540 schedule+0xcb/0x270 kernel/sched/core.c:4618 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4677 __mutex_lock_common kernel/locking/mutex.c:1047 [inline] __mutex_lock+0x7c9/0x1250 kernel/locking/mutex.c:1109 mutex_lock_double kernel/events/core.c:11661 [inline] __perf_event_ctx_lock_double kernel/events/core.c:11720 [inline] __do_sys_perf_event_open+0x1244/0x2d00 kernel/events/core.c:11990 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fd85b8abb19 RSP: 002b:00007fd858e00188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fd85b9bf020 RCX: 00007fd85b8abb19 RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000020000000 RBP: 00007fd85b905f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc8be9a51f R14: 00007fd858e00300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84df6e20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6379 3 locks held by in:imklog/178: #0: ffff888009039770 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:974 #1: ffff88806ce3b218 (&rq->lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1296 [inline] #1: ffff88806ce3b218 (&rq->lock){-.-.}-{2:2}, at: __schedule+0x1e2/0x1e80 kernel/sched/core.c:4458 #2: ffffffff84df6e20 (rcu_read_lock){....}-{1:2}, at: trace_sched_stat_runtime include/trace/events/sched.h:435 [inline] #2: ffffffff84df6e20 (rcu_read_lock){....}-{1:2}, at: update_curr+0x27d/0x7b0 kernel/sched/fair.c:879 1 lock held by syz-executor.6/3925: #0: ffff88800d7a74b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_ctx_lock_nested+0x243/0x4a0 kernel/events/core.c:1386 3 locks held by syz-executor.6/3930: #0: ffff88800c9160d8 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc1/0x2d00 kernel/events/core.c:11972 #1: ffff88800d7a74b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11660 [inline] #1: ffff88800d7a74b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11720 [inline] #1: ffff88800d7a74b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1237/0x2d00 kernel/events/core.c:11990 #2: ffff88800d7a74b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11661 [inline] #2: ffff88800d7a74b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11720 [inline] #2: ffff88800d7a74b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1244/0x2d00 kernel/events/core.c:11990 =============================================