TITLE: INFO: rcu detected stall in corrupted
ALT: stall in corrupted
TYPE: HANG
CORRUPTED: Y

[  277.780013] INFO: rcu_sched self-detected stall on CPU
[  277.781045] INFO: rcu_sched detected stalls on CPUs/tasks:
[  277.781153] 	1-...: (65000 ticks this GP) idle=395/140000000000001/0 softirq=122875/122875 fqs=16248
[  277.781197] 	(detected by 0, t=65002 jiffies, g=72940, c=72939, q=1777)
[  277.781212] Sending NMI from CPU 0 to CPUs 1:
[  277.782014] NMI backtrace for cpu 1
[  277.782014] CPU: 1 PID: 12579 Comm: syz-executor0 Not tainted 4.11.0-rc3+ #71
[  277.782014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  277.782014] task: ffff8801d379e140 task.stack: ffff8801cd590000
[  277.782014] RIP: 0010:io_serial_in+0x6b/0x90
[  277.782014] RSP: 0018:ffff8801dbf066a0 EFLAGS: 00000002
[  277.782014] RAX: dffffc0000000000 RBX: 00000000000003fd RCX: 0000000000000000
[  277.782014] RDX: 00000000000003fd RSI: 0000000000000005 RDI: ffffffff87020018
[  277.782014] RBP: ffff8801dbf066b0 R08: 0000000000000003 R09: 0000000000000001
[  277.782014] R10: dffffc0000000000 R11: ffffffff867ba200 R12: ffffffff8701ffe0
[  277.782014] R13: 0000000000000020 R14: fffffbfff0e04041 R15: fffffbfff0e04005
[  277.782014] FS:  00007fce6fc10700(0000) GS:ffff8801dbf00000(0000) knlGS:0000000000000000
[  277.782014] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  277.782014] CR2: 000000002084fffc CR3: 00000001c4500000 CR4: 00000000001406e0
[  277.782014] Call Trace:
[  277.782014]  <IRQ>
[  277.782014]  wait_for_xmitr+0x89/0x1c0
[  277.782014]  ? wait_for_xmitr+0x1c0/0x1c0
[  277.782014]  serial8250_console_putchar+0x1f/0x60
[  277.782014]  uart_console_write+0x57/0xe0
[  277.782014]  serial8250_console_write+0x423/0x840
[  277.782014]  ? check_noncircular+0x20/0x20
[  277.782014]  hrtimer_interrupt+0x1c2/0x5e0
[  277.782014]  local_apic_timer_interrupt+0x6f/0xe0
[  277.782014]  smp_apic_timer_interrupt+0x71/0xa0
[  277.782014]  apic_timer_interrupt+0x93/0xa0
[  277.782014] RIP: 0010:debug_lockdep_rcu_enabled.part.19+0xf/0x60
[  277.782014] RSP: 0018:ffff8801cd596778 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10
[  277.782014] RAX: dffffc0000000000 RBX: 1ffff10039ab2cf7 RCX: ffffc90001758000
[  277.782014] RDX: 0000000000000004 RSI: ffffffff840561f1 RDI: ffffffff852a75c0
[  277.782014] RBP: ffff8801cd596780 R08: 0000000000000001 R09: 0000000000000000
[  277.782014] R10: dffffc0000000000 R11: ffffffff867ba200 R12: 1ffff10039ab2d1b
[  277.782014] R13: ffff8801c44d1880 R14: ffff8801cd596918 R15: ffff8801d9b47840
[  277.782014]  </IRQ>
[  277.782014]  ? __write_space+0x5b1/0x920
[  277.782014]  debug_lockdep_rcu_enabled+0x77/0x90
[  292.742848] sctp: [Deprecated]: syz-executor0 (pid 22154) Use of int in max_burst socket option deprecated.
[  277.782014]  __sctp_write_space+0x5b6/0x920
[  277.782014]  ? __sctp_write_space+0x3f7/0x920
[  277.782014]  ? sctp_transport_lookup_process+0x190/0x190
[  277.782014]  ? trace_hardirqs_on_thunk+0x1a/0x1c
