Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout INFO: task syz-executor.7:7915 blocked for more than 143 seconds. Not tainted 5.10.240 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.7 state:D stack:27936 pid: 7915 ppid: 294 flags:0x00000004 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_ctx_lock_nested+0x243/0x4f0 kernel/events/core.c:1392 perf_event_ctx_lock kernel/events/core.c:1405 [inline] perf_event_release_kernel+0x3c1/0xc80 kernel/events/core.c:5112 perf_release+0x33/0x50 kernel/events/core.c:5223 __fput+0x285/0x9f0 fs/file_table.c:281 task_work_run+0xe2/0x1a0 kernel/task_work.c:185 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x186/0x190 kernel/entry/common.c:199 syscall_exit_to_user_mode+0x38/0x1d0 kernel/entry/common.c:274 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f0f0b9dd72b RSP: 002b:00007ffcc44c8520 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f0f0b9dd72b RDX: ffffffffffffffbc RSI: 00000000000f4240 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f0f0bb43550 R10: 00007ffcc45ce090 R11: 0000000000000293 R12: 0000000000034331 R13: 00000000000003e8 R14: 00007f0f0bb3df60 R15: 0000000000034317 INFO: task syz-executor.7:7921 blocked for more than 143 seconds. Not tainted 5.10.240 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.7 state:D stack:29240 pid: 7921 ppid: 294 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:11724 [inline] __perf_event_ctx_lock_double kernel/events/core.c:11868 [inline] __do_sys_perf_event_open+0x1244/0x2e60 kernel/events/core.c:12141 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f0f0ba2ab19 RSP: 002b:00007f0f08f7f188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f0f0bb3e020 RCX: 00007f0f0ba2ab19 RDX: 0000000000000000 RSI: 00000000000001da RDI: 0000000020000000 RBP: 00007f0f0ba84f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcc44c84bf R14: 00007f0f08f7f300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/23: #0: ffffffff84ff9960 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x27b kernel/locking/lockdep.c:6410 1 lock held by in:imklog/195: 6 locks held by rs:main Q:Reg/196: #0: ffff888009c06d70 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xf1/0x190 fs/file.c:994 #1: ffff88800fa8c438 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x12d/0x260 fs/read_write.c:658 #2: ffff88806cf3b2d8 (&rq->lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1296 [inline] #2: ffff88806cf3b2d8 (&rq->lock){-.-.}-{2:2}, at: __schedule+0x1be/0x1ea0 kernel/sched/core.c:4465 #3: ffff88800faa8260 (&journal->j_wait_commit){....}-{2:2}, at: __wake_up_common_lock+0xb4/0x140 kernel/sched/wait.c:122 #4: ffff88800927d740 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0x99/0x1290 kernel/sched/core.c:2880 #5: ffffffff84ff9960 (rcu_read_lock){....}-{1:2}, at: compound_head include/linux/page-flags.h:187 [inline] #5: ffffffff84ff9960 (rcu_read_lock){....}-{1:2}, at: SetPageLRU include/linux/page-flags.h:337 [inline] #5: ffffffff84ff9960 (rcu_read_lock){....}-{1:2}, at: __pagevec_lru_add_fn+0x146/0xbb0 mm/swap.c:1045 1 lock held by syz-executor.7/7915: #0: ffff888046e458b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_ctx_lock_nested+0x243/0x4f0 kernel/events/core.c:1392 3 locks held by syz-executor.7/7921: #0: ffff888016c31fd8 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc1/0x2e60 kernel/events/core.c:12123 #1: ffff888046e458b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11723 [inline] #1: ffff888046e458b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11868 [inline] #1: ffff888046e458b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1237/0x2e60 kernel/events/core.c:12141 #2: ffff888046e458b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11724 [inline] #2: ffff888046e458b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11868 [inline] #2: ffff888046e458b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1244/0x2e60 kernel/events/core.c:12141 =============================================