binder: undelivered TRANSACTION_ERROR: 29189
INFO: rcu_sched self-detected stall on CPU
INFO: rcu_sched detected stalls on CPUs/tasks:
	0-....: (1 GPs behind) idle=a42/1/4611686018427387906 softirq=26975/26976 fqs=31204 
	(detected by 1, t=125002 jiffies, g=14442, c=14441, q=424)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 9259 Comm: syz-executor3 Not tainted 4.15.0-rc1-mm1+ #29
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: 00000000fc258c8f task.stack: 0000000035c51cb0
RIP: 0010:rep_nop arch/x86/include/asm/processor.h:660 [inline]
RIP: 0010:delay_tsc+0x41/0x70 arch/x86/lib/delay.c:67
RSP: 0018:ffff8801db406ff0 EFLAGS: 00000003
RAX: 0000006b4f4f30bf RBX: ffffffff87cf0a40 RCX: 0000006b4f4f2c88
RDX: 0000000000000437 RSI: 0000000000000000 RDI: 00000000000008fd
RBP: ffff8801db406ff0 R08: 0000000000000003 R09: 000000000000000c
R10: 0000000000000000 R11: ffffffff8748cda0 R12: 0000000000002702
R13: 0000000000000020 R14: fffffbfff0f9e18f R15: fffffbfff0f9e152
FS:  00007f51e74f2700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b9bc23000 CR3: 00000001cda9b000 CR4: 00000000001426f0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __delay arch/x86/lib/delay.c:161 [inline]
 __const_udelay+0x5b/0x70 arch/x86/lib/delay.c:175
 wait_for_xmitr+0x6f/0x1e0 drivers/tty/serial/8250/8250_port.c:2041
 serial8250_console_putchar+0x1f/0x60 drivers/tty/serial/8250/8250_port.c:3170
 uart_console_write+0xac/0xe0 drivers/tty/serial/serial_core.c:1858
 serial8250_console_write+0x647/0xa20 drivers/tty/serial/8250/8250_port.c:3236
 univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:590
 call_console_drivers kernel/printk/printk.c:1574 [inline]
 console_unlock+0x788/0xd70 kernel/printk/printk.c:2233
 vprintk_emit+0x4ad/0x590 kernel/printk/printk.c:1757
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1796
 vprintk_func+0x57/0xc0 kernel/printk/printk_safe.c:379
 printk+0xaa/0xca kernel/printk/printk.c:1829
 print_cpu_stall_info_begin kernel/rcu/tree_plugin.h:1656 [inline]
 print_cpu_stall kernel/rcu/tree.c:1510 [inline]
 check_cpu_stall.isra.64+0x845/0x15b0 kernel/rcu/tree.c:1592
 __rcu_pending kernel/rcu/tree.c:3361 [inline]
 rcu_pending kernel/rcu/tree.c:3423 [inline]
 rcu_check_callbacks+0x238/0xd20 kernel/rcu/tree.c:2763
 update_process_times+0x30/0x60 kernel/time/timer.c:1640
 tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:162
 tick_sched_timer+0x42/0x120 kernel/time/tick-sched.c:1166
 __run_hrtimer kernel/time/hrtimer.c:1348 [inline]
 __hrtimer_run_queues+0x373/0xea0 kernel/time/hrtimer.c:1411
 hrtimer_interrupt+0x2a5/0x6f0 kernel/time/hrtimer.c:1469
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline]
 smp_apic_timer_interrupt+0x14a/0x700 arch/x86/kernel/apic/apic.c:1050
 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:907
 </IRQ>
RIP: 0010:__sanitizer_cov_trace_pc+0x1/0x50 kernel/kcov.c:94
RSP: 0018:ffff8801c770fb38 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11
RAX: 0000000000000e7c RBX: ffffc900012ea060 RCX: ffffffff8286f03c
RDX: 0000000000010000 RSI: ffffc9000131a000 RDI: ffffc900012eb260
RBP: ffff8801c770fb88 R08: 1ffffffff0d30293 R09: 0000000000000004
R10: 0000000000000000 R11: ffffffff8748cda0 R12: ffffc900012e9000
R13: 00000004514c8e7c R14: 0000000020fdf000 R15: ffff8801c94d9438
 tty_ioctl+0x32e/0x15f0 drivers/tty/tty_io.c:2638
 vfs_ioctl fs/ioctl.c:46 [inline]
 do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:686
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x4529d9
RSP: 002b:00007f51e74f1c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 00000000004529d9
RDX: 0000000020fdf000 RSI: 000000000000541b RDI: 0000000000000014
RBP: 0000000000000127 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006eec48
R13: 00000000ffffffff R14: 00007f51e74f26d4 R15: 0000000000000000
Code: 31 48 c1 e2 20 48 89 d1 48 09 c1 0f ae e8 0f 31 48 c1 e2 20 48 09 d0 48 89 c2 48 29 ca 48 39 fa 73 25 65 ff 0d 41 9a ec 7a f3 90 <65> ff 05 38 9a ec 7a 65 8b 15 71 66 ec 7a 39 f2 74 ce 48 29 c1 
INFO: rcu_sched detected expedited stalls on CPUs/tasks: { 0-... } 125323 jiffies s: 3169 root: 0x1/.
blocking rcu_node structures:
Task dump for CPU 0:
syz-executor3   R  running task    22016  9259   4994 0x8000000c
Call Trace:
 context_switch kernel/sched/core.c:2803 [inline]
 __schedule+0x8f3/0x2060 kernel/sched/core.c:3376
 print_usage_bug+0x3f0/0x3f0 kernel/locking/lockdep.c:2580
	0-....: (1 GPs behind) idle=a42/1/4611686018427387906 softirq=26975/26976 fqs=31430 
	 (t=125907 jiffies g=14442 c=14441 q=424)
NMI backtrace for cpu 0
CPU: 0 PID: 9259 Comm: syz-executor3 Not tainted 4.15.0-rc1-mm1+ #29
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 nmi_cpu_backtrace+0x1d2/0x210 lib/nmi_backtrace.c:103
 nmi_trigger_cpumask_backtrace+0x122/0x180 lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 trigger_single_cpu_backtrace include/linux/nmi.h:156 [inline]
 rcu_dump_cpu_stacks+0x186/0x1da kernel/rcu/tree.c:1375
 print_cpu_stall kernel/rcu/tree.c:1524 [inline]
 check_cpu_stall.isra.64+0xbb8/0x15b0 kernel/rcu/tree.c:1592
 __rcu_pending kernel/rcu/tree.c:3361 [inline]
 rcu_pending kernel/rcu/tree.c:3423 [inline]
 rcu_check_callbacks+0x238/0xd20 kernel/rcu/tree.c:2763
 update_process_times+0x30/0x60 kernel/time/timer.c:1640
 tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:162
 tick_sched_timer+0x42/0x120 kernel/time/tick-sched.c:1166
 __run_hrtimer kernel/time/hrtimer.c:1348 [inline]
 __hrtimer_run_queues+0x373/0xea0 kernel/time/hrtimer.c:1411
 hrtimer_interrupt+0x2a5/0x6f0 kernel/time/hrtimer.c:1469
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline]
 smp_apic_timer_interrupt+0x14a/0x700 arch/x86/kernel/apic/apic.c:1050
 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:907
 </IRQ>
RIP: 0010:__sanitizer_cov_trace_pc+0x1/0x50 kernel/kcov.c:94
RSP: 0018:ffff8801c770fb38 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11
RAX: 0000000000000e7c RBX: ffffc900012ea060 RCX: ffffffff8286f03c
RDX: 0000000000010000 RSI: ffffc9000131a000 RDI: ffffc900012eb260
RBP: ffff8801c770fb88 R08: 1ffffffff0d30293 R09: 0000000000000004
R10: 0000000000000000 R11: ffffffff8748cda0 R12: ffffc900012e9000
R13: 00000004514c8e7c R14: 0000000020fdf000 R15: ffff8801c94d9438
 tty_ioctl+0x32e/0x15f0 drivers/tty/tty_io.c:2638
 vfs_ioctl fs/ioctl.c:46 [inline]
 do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:686
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x4529d9
RSP: 002b:00007f51e74f1c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 00000000004529d9
RDX: 0000000020fdf000 RSI: 000000000000541b RDI: 0000000000000014
RBP: 0000000000000127 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006eec48
R13: 00000000ffffffff R14: 00007f51e74f26d4 R15: 0000000000000000