Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout INFO: task syz-executor.2:6169 blocked for more than 143 seconds. Not tainted 5.10.244 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:27936 pid: 6169 ppid: 288 flags:0x00004000 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_exit_task_context kernel/events/core.c:12616 [inline] perf_event_exit_task+0x2aa/0xda0 kernel/events/core.c:12682 do_exit+0x5fa/0x2600 kernel/exit.c:854 do_group_exit+0x125/0x310 kernel/exit.c:983 __do_sys_exit_group kernel/exit.c:994 [inline] __se_sys_exit_group kernel/exit.c:992 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:992 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fd66a596b19 RSP: 002b:00007ffc7bf761b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007fd66a596b19 RDX: 00007fd66a54972b RSI: ffffffffffffffbc RDI: 0000000000000000 RBP: 0000000000000000 R08: 00007fd66a6affe8 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000001 R14: 0000000000000001 R15: 00007ffc7bf762a0 INFO: task syz-executor.2:6170 blocked for more than 143 seconds. Not tainted 5.10.244 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:29240 pid: 6170 ppid: 288 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:11738 [inline] __perf_event_ctx_lock_double kernel/events/core.c:11882 [inline] __do_sys_perf_event_open+0x1244/0x2e60 kernel/events/core.c:12155 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fd66a596b19 RSP: 002b:00007fd667b0c188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fd66a6a9f60 RCX: 00007fd66a596b19 RDX: 0000000000000000 RSI: 00000000000000fd RDI: 0000000020001d80 RBP: 00007fd66a5f0f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc7bf75f8f R14: 00007fd667b0c300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84ff9ca0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x27b kernel/locking/lockdep.c:6410 1 lock held by in:imklog/178: #0: ffff88800d5280f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xf1/0x190 fs/file.c:997 1 lock held by syz-executor.2/6169: #0: ffff88803ca9d0b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_exit_task_context kernel/events/core.c:12616 [inline] #0: ffff88803ca9d0b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_exit_task+0x2aa/0xda0 kernel/events/core.c:12682 3 locks held by syz-executor.2/6170: #0: ffff88801d127ad8 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc1/0x2e60 kernel/events/core.c:12137 #1: ffff88803ca9d0b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11737 [inline] #1: ffff88803ca9d0b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11882 [inline] #1: ffff88803ca9d0b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1237/0x2e60 kernel/events/core.c:12155 #2: ffff88803ca9d0b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11738 [inline] #2: ffff88803ca9d0b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11882 [inline] #2: ffff88803ca9d0b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1244/0x2e60 kernel/events/core.c:12155 =============================================