Bluetooth: hci1: command 0x0406 tx timeout
Bluetooth: hci2: command 0x0406 tx timeout
Bluetooth: hci3: command 0x0406 tx timeout
Bluetooth: hci4: command 0x0406 tx timeout
Bluetooth: hci5: command 0x0406 tx timeout
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10500 ticks this GP) idle=c4a/1/0x4000000000000002 softirq=21917/21917 fqs=5247 
rcu: 	 (t=10502 jiffies g=18625 q=14309)
NMI backtrace for cpu 0
CPU: 0 PID: 12350 Comm: syz-executor.4 Not tainted 4.19.160-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1a6/0x1eb lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x15f/0x19c kernel/rcu/tree.c:1340
 print_cpu_stall kernel/rcu/tree.c:1478 [inline]
 check_cpu_stall kernel/rcu/tree.c:1550 [inline]
 __rcu_pending kernel/rcu/tree.c:3293 [inline]
 rcu_pending kernel/rcu/tree.c:3336 [inline]
 rcu_check_callbacks.cold+0x62d/0xe19 kernel/rcu/tree.c:2682
 update_process_times+0x2a/0x70 kernel/time/timer.c:1650
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:168
 tick_sched_timer+0xfc/0x290 kernel/time/tick-sched.c:1278
 __run_hrtimer kernel/time/hrtimer.c:1401 [inline]
 __hrtimer_run_queues+0x3f6/0xe60 kernel/time/hrtimer.c:1463
 hrtimer_interrupt+0x32a/0x930 kernel/time/hrtimer.c:1521
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline]
 smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1092
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline]
RIP: 0010:arch_atomic64_read arch/x86/include/asm/atomic64_64.h:22 [inline]
RIP: 0010:atomic64_read include/asm-generic/atomic-instrumented.h:28 [inline]
RIP: 0010:atomic_long_read include/asm-generic/atomic-long.h:47 [inline]
RIP: 0010:perf_event_count kernel/events/core.c:3905 [inline]
RIP: 0010:perf_output_read_group kernel/events/core.c:6193 [inline]
RIP: 0010:perf_output_read+0xbe8/0x1270 kernel/events/core.c:6230
Code: e8 fd 40 ec ff 48 8b 44 24 10 be 08 00 00 00 48 8d a8 b0 00 00 00 48 89 ef e8 24 55 22 00 48 89 e8 48 c1 e8 03 42 80 3c 28 00 <0f> 85 0b 05 00 00 48 8b 44 24 10 be 08 00 00 00 4c 8d a0 b8 00 00
RSP: 0018:ffff88808f577158 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffff11014460826 RBX: ffff88808f5774a0 RCX: ffffffff81788f0c
RDX: ffffed1014460827 RSI: 0000000000000008 RDI: ffff8880a2304130
RBP: ffff8880a2304130 R08: 0000000000000000 R09: ffffed1014460826
R10: ffff8880a2304137 R11: ffffffff8c65b01b R12: ffff88808f5772a0
R13: dffffc0000000000 R14: ffff8880a2304080 R15: 0000000000000010
 perf_output_sample+0xc1b/0x18f0 kernel/events/core.c:6272
 __perf_event_output kernel/events/core.c:6597 [inline]
 perf_event_output_forward+0x12f/0x270 kernel/events/core.c:6610
 __perf_event_overflow+0x13c/0x370 kernel/events/core.c:7883
 perf_swevent_overflow kernel/events/core.c:7959 [inline]
 perf_swevent_event+0x347/0x550 kernel/events/core.c:7987
 do_perf_sw_event kernel/events/core.c:8100 [inline]
 ___perf_sw_event+0x309/0x570 kernel/events/core.c:8131
 __perf_sw_event+0x58/0x120 kernel/events/core.c:8143
 perf_sw_event include/linux/perf_event.h:1069 [inline]
 __do_page_fault+0x80e/0xd60 arch/x86/mm/fault.c:1453
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:181
Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 <f3> a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83
RSP: 0018:ffff88808f577a50 EFLAGS: 00010206
RAX: ffffed100cb0dea0 RBX: 0000000000007500 RCX: 0000000000001fcb
RDX: 0000000000007500 RSI: 0000000020fe3000 RDI: ffff88806586d535
RBP: 0000000020fddacb R08: 0000000000000001 R09: ffffed100cb0de9f
R10: ffff88806586f4ff R11: 0000000000000000 R12: ffff888065868000
R13: 0000000020fe4fcb R14: 00007ffffffff000 R15: 0000000000000000
 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline]
 raw_copy_from_user arch/x86/include/asm/uaccess_64.h:71 [inline]
 copyin+0xcd/0xf0 lib/iov_iter.c:146
 _copy_from_iter_full+0x1df/0x7c0 lib/iov_iter.c:724
 copy_from_iter_full include/linux/uio.h:124 [inline]
 skb_do_copy_data_nocache include/net/sock.h:1968 [inline]
 skb_copy_to_page_nocache include/net/sock.h:1994 [inline]
 tcp_sendmsg_locked+0x1261/0x2f60 net/ipv4/tcp.c:1364
 tcp_sendmsg+0x2b/0x40 net/ipv4/tcp.c:1462
 inet_sendmsg+0x132/0x5a0 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:632
 __sys_sendto+0x21a/0x320 net/socket.c:1787
 __do_sys_sendto net/socket.c:1799 [inline]
 __se_sys_sendto net/socket.c:1795 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1795
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45deb9
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007efc99994c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 000000000002e940 RCX: 000000000045deb9
RDX: ffffffffffffffef RSI: 0000000020d7cfcb RDI: 0000000000000006
RBP: 000000000118bf78 R08: 0000000000000000 R09: 0000000000000053
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007fffd401502f R14: 00007efc999959c0 R15: 000000000118bf2c