Bluetooth: hci0: command 0x0406 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.0:26368 blocked for more than 140 seconds. Not tainted 4.19.188-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D26992 26368 22474 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:1005 [inline] __mutex_lock+0x647/0x1260 kernel/locking/mutex.c:1075 __do_sys_acct kernel/acct.c:285 [inline] __se_sys_acct+0x8c/0x930 kernel/acct.c:273 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665f9 Code: ee 10 44 31 c6 8d 04 37 49 89 d0 48 99 48 f7 f9 89 bb 20 01 00 00 89 b3 24 01 00 00 48 85 d2 74 0a 48 8b 6c 24 18 48 83 c4 20 4c 89 04 24 48 8b 44 24 30 48 ff c0 48 89 44 24 08 48 c7 44 24 RSP: 002b:00007f1099c5c188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a3 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200002c0 RBP: 00000000004bfbb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffecef1c27f R14: 00007f1099c5c300 R15: 0000000000022000 INFO: task syz-executor.0:26381 blocked for more than 140 seconds. Not tainted 4.19.188-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D27328 26381 22474 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:1005 [inline] __mutex_lock+0x647/0x1260 kernel/locking/mutex.c:1075 __do_sys_acct kernel/acct.c:285 [inline] __se_sys_acct+0x8c/0x930 kernel/acct.c:273 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665f9 Code: ee 10 44 31 c6 8d 04 37 49 89 d0 48 99 48 f7 f9 89 bb 20 01 00 00 89 b3 24 01 00 00 48 85 d2 74 0a 48 8b 6c 24 18 48 83 c4 20 4c 89 04 24 48 8b 44 24 30 48 ff c0 48 89 44 24 08 48 c7 44 24 RSP: 002b:00007f1099c1a188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a3 RAX: ffffffffffffffda RBX: 000000000056c0b0 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200002c0 RBP: 00000000004bfbb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c0b0 R13: 00007ffecef1c27f R14: 00007f1099c1a300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1569: #0: 0000000062019357 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4440 1 lock held by syz-executor.4/23635: #0: 00000000d9c4b82b (acct_on_mutex){+.+.}, at: __do_sys_acct kernel/acct.c:285 [inline] #0: 00000000d9c4b82b (acct_on_mutex){+.+.}, at: __se_sys_acct+0x8c/0x930 kernel/acct.c:273 1 lock held by syz-executor.0/26368: #0: 00000000d9c4b82b (acct_on_mutex){+.+.}, at: __do_sys_acct kernel/acct.c:285 [inline] #0: 00000000d9c4b82b (acct_on_mutex){+.+.}, at: __se_sys_acct+0x8c/0x930 kernel/acct.c:273 1 lock held by syz-executor.0/26381: #0: 00000000d9c4b82b (acct_on_mutex){+.+.}, at: __do_sys_acct kernel/acct.c:285 [inline] #0: 00000000d9c4b82b (acct_on_mutex){+.+.}, at: __se_sys_acct+0x8c/0x930 kernel/acct.c:273 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1569 Comm: khungtaskd Not tainted 4.19.188-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4694 Comm: systemd-journal Not tainted 4.19.188-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x4/0x20 kernel/kcov.c:188 Code: 84 00 00 00 00 00 48 8b 0c 24 0f b7 d6 0f b7 f7 bf 03 00 00 00 e9 ec fe ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 48 8b 0c 24 <89> f2 89 fe bf 05 00 00 00 e9 ce fe ff ff 66 66 2e 0f 1f 84 00 00 RSP: 0018:ffff8880a0857ad0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000040 RCX: ffffffff81a5ae24 RDX: 1ffff1101410afa5 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8880a0857b60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 000000009bac1e4f R12: ffff8880a0857ce0 R13: 0000000000000000 R14: 0000000000001051 R15: ffff8880a0857e90 FS: 00007faaef2758c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007faaec892008 CR3: 00000000a1fc9000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: path_init+0x164/0x19d0 fs/namei.c:2185 path_openat+0x185/0x2df0 fs/namei.c:3535 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7faaee804840 Code: 73 01 c3 48 8b 0d 68 77 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 89 bb 20 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 RSP: 002b:00007ffc55fc2118 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007ffc55fc2420 RCX: 00007faaee804840 RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 0000556b984a1490 RBP: 000000000000000d R08: 000000000000c0c1 R09: 00000000ffffffff R10: 0000000000000069 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000556b98494040 R14: 00007ffc55fc23e0 R15: 0000556b984a18b0