Warning: Permanently added '10.128.0.240' (ECDSA) to the list of known hosts.
2019/10/15 17:21:19 fuzzer started
2019/10/15 17:21:21 dialing manager at 10.128.0.105:38903
2019/10/15 17:21:21 syscalls: 2523
2019/10/15 17:21:21 code coverage: enabled
2019/10/15 17:21:21 comparison tracing: enabled
2019/10/15 17:21:21 extra coverage: extra coverage is not supported by the kernel
2019/10/15 17:21:21 setuid sandbox: enabled
2019/10/15 17:21:21 namespace sandbox: enabled
2019/10/15 17:21:21 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/15 17:21:21 fault injection: enabled
2019/10/15 17:21:21 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/15 17:21:21 net packet injection: enabled
2019/10/15 17:21:21 net device setup: enabled
2019/10/15 17:21:21 concurrency sanitizer: enabled
syzkaller login: [   53.763446][    C0] ==================================================================
[   53.771590][    C0] BUG: KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64
[   53.780501][    C0] 
[   53.782808][    C0] write to 0xffffffff8603f008 of 8 bytes by interrupt on cpu 1:
[   53.790467][    C0]  tick_do_update_jiffies64+0x105/0x260
[   53.795989][    C0]  tick_sched_do_timer+0xd4/0xe0
[   53.800899][    C0]  tick_sched_timer+0x43/0xe0
[   53.805571][    C0]  __hrtimer_run_queues+0x288/0x600
[   53.810743][    C0]  hrtimer_interrupt+0x22a/0x480
[   53.815656][    C0]  smp_apic_timer_interrupt+0xdc/0x280
[   53.821100][    C0]  apic_timer_interrupt+0xf/0x20
[   53.826023][    C0]  __kcsan_setup_watchpoint+0x15/0x510
[   53.836409][    C0]  __tsan_read8+0x2c/0x30
[   53.840718][    C0]  skb_try_coalesce+0x6fb/0xbf0
[   53.845544][    C0]  tcp_try_coalesce+0x107/0x310
[   53.850371][    C0]  tcp_queue_rcv+0x74/0x380
[   53.854893][    C0]  tcp_rcv_established+0xbf1/0xf50
[   53.859979][    C0]  tcp_v4_do_rcv+0x381/0x4e0
[   53.864537][    C0] 
[   53.866844][    C0] read to 0xffffffff8603f008 of 8 bytes by interrupt on cpu 0:
[   53.874367][    C0]  tick_do_update_jiffies64+0x2b/0x260
[   53.879801][    C0]  tick_sched_do_timer+0xd4/0xe0
[   53.884712][    C0]  tick_sched_timer+0x43/0xe0
[   53.889367][    C0]  __hrtimer_run_queues+0x288/0x600
[   53.894538][    C0]  hrtimer_interrupt+0x22a/0x480
[   53.899552][    C0]  smp_apic_timer_interrupt+0xdc/0x280
[   53.905026][    C0]  apic_timer_interrupt+0xf/0x20
[   53.909972][    C0] 
[   53.912274][    C0] Reported by Kernel Concurrency Sanitizer on:
[   53.918403][    C0] CPU: 0 PID: 7259 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   53.925482][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.935509][    C0] ==================================================================
[   53.943542][    C0] Kernel panic - not syncing: panic_on_warn set ...
[   53.950104][    C0] CPU: 0 PID: 7259 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   53.957219][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.967248][    C0] Call Trace:
[   53.970508][    C0]  <IRQ>
[   53.973382][    C0]  dump_stack+0xf5/0x159
[   53.977604][    C0]  panic+0x209/0x639
[   53.981478][    C0]  ? vprintk_func+0x8d/0x140
[   53.986058][    C0]  kcsan_report.cold+0xc/0x1b
[   53.990713][    C0]  __kcsan_setup_watchpoint+0x3ee/0x510
[   53.996236][    C0]  ? __kcsan_setup_watchpoint+0x96/0x510
[   54.001858][    C0]  __tsan_read8+0x2c/0x30
[   54.006167][    C0]  tick_do_update_jiffies64+0x2b/0x260
[   54.011616][    C0]  tick_sched_do_timer+0xd4/0xe0
[   54.016528][    C0]  tick_sched_timer+0x43/0xe0
[   54.021181][    C0]  __hrtimer_run_queues+0x288/0x600
[   54.026356][    C0]  ? tick_sched_do_timer+0xe0/0xe0
[   54.031443][    C0]  hrtimer_interrupt+0x22a/0x480
[   54.036362][    C0]  smp_apic_timer_interrupt+0xdc/0x280
[   54.041795][    C0]  apic_timer_interrupt+0xf/0x20
[   54.046702][    C0]  </IRQ>
[   54.049625][    C0] RIP: 0033:0x6098c3
[   54.053497][    C0] Code: f9 e1 ff 0f 0b e8 dd f9 e1 ff 0f 0b e8 96 da e4 ff e9 11 fc ff ff cc 64 48 8b 0c 25 f8 ff ff ff 48 3b 61 10 0f 86 d5 00 00 00 <48> 83 ec 38 48 89 6c 24 30 48 8d 6c 24 30 48 8b 44 24 40 48 8b 08
[   54.073075][    C0] RSP: 002b:000000c420365a38 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
[   54.081474][    C0] RAX: 000000c42024a028 RBX: 000000c42024a000 RCX: 000000c420324000
[   54.089432][    C0] RDX: 000000000000000d RSI: 0000000000000005 RDI: 00000000000000aa
[   54.097391][    C0] RBP: 000000c420365a70 R08: 000000c420448000 R09: 000000000000001f
[   54.105337][    C0] R10: 00000000ffffffff R11: 0000000000006fe9 R12: 0000000000000008
[   54.113298][    C0] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff
[   54.123122][    C0] Kernel Offset: disabled
[   54.127455][    C0] Rebooting in 86400 seconds..