ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
Bluetooth: hci4: command 0x0406 tx timeout
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
INFO: task syz-executor.0:15298 blocked for more than 140 seconds.
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0  D26704 15298  11804 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:1016 [inline]
 __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
 __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: 0033:0x7f7af7666a39
Code: Bad RIP value.
RSP: 002b:00007f7af4bdc188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a3
RAX: ffffffffffffffda RBX: 00007f7af7769f60 RCX: 00007f7af7666a39
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007f7af76c0e8f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcab7e3c1f R14: 00007f7af4bdc300 R15: 0000000000022000
INFO: task syz-executor.0:15303 blocked for more than 140 seconds.
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0  D25688 15303  11804 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:1016 [inline]
 __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
 __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: 0033:0x7f7af7666a39
Code: Bad RIP value.
RSP: 002b:00007f7af4bbb188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a3
RAX: ffffffffffffffda RBX: 00007f7af776a020 RCX: 00007f7af7666a39
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007f7af76c0e8f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcab7e3c1f R14: 00007f7af4bbb300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/1570:
 #0: 0000000058f3d292 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
1 lock held by in:imklog/7827:
 #0: 0000000048eee6ab (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767
1 lock held by syz-executor.3/12622:
 #0: 000000007c48706a (acct_on_mutex){+.+.}, at: __do_sys_acct kernel/acct.c:285 [inline]
 #0: 000000007c48706a (acct_on_mutex){+.+.}, at: __se_sys_acct+0x8c/0x930 kernel/acct.c:273
1 lock held by syz-executor.0/15298:
 #0: 000000007c48706a (acct_on_mutex){+.+.}, at: __do_sys_acct kernel/acct.c:285 [inline]
 #0: 000000007c48706a (acct_on_mutex){+.+.}, at: __se_sys_acct+0x8c/0x930 kernel/acct.c:273
1 lock held by syz-executor.0/15303:
 #0: 000000007c48706a (acct_on_mutex){+.+.}, at: __do_sys_acct kernel/acct.c:285 [inline]
 #0: 000000007c48706a (acct_on_mutex){+.+.}, at: __se_sys_acct+0x8c/0x930 kernel/acct.c:273

=============================================

NMI backtrace for cpu 0
CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-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: 4691 Comm: systemd-journal Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0033:0x7fe21b095428
Code: 04 44 03 07 81 e6 ff ff ff 00 41 01 f1 e9 38 ff ff ff 8b 37 81 e6 ff ff ff 00 41 01 f0 e9 28 ff ff ff 44 03 07 e9 20 ff ff ff <0f> b6 77 04 44 03 07 01 f0 e9 12 ff ff ff 0f b7 77 04 44 03 07 01
RSP: 002b:00007ffd69170a50 EFLAGS: 00000207
RAX: 000000004fbd7bd0 RBX: 0000556f89852310 RCX: 00007ffd69170ab8
RDX: 00007ffd69170ac0 RSI: 00007fe21b095428 RDI: 0000556f89852334
RBP: 0000000000000029 R08: 00000000d8cb2303 R09: 00000000c0709613
R10: 00007fe21b198ee8 R11: 00007fe21a7c8060 R12: 0000556f89848e80
R13: 00007ffd69170b68 R14: 00007ffd69170c08 R15: 00007ffd69170aa0
FS:  00007fe21b47e8c0 GS:  0000000000000000