Warning: Permanently added '10.128.0.21' (ECDSA) to the list of known hosts.
2019/10/14 02:37:57 fuzzer started
2019/10/14 02:37:58 dialing manager at 10.128.0.105:40973
2019/10/14 02:37:58 syscalls: 2523
2019/10/14 02:37:58 code coverage: enabled
2019/10/14 02:37:58 comparison tracing: enabled
2019/10/14 02:37:58 extra coverage: extra coverage is not supported by the kernel
2019/10/14 02:37:58 setuid sandbox: enabled
2019/10/14 02:37:58 namespace sandbox: enabled
2019/10/14 02:37:58 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/14 02:37:58 fault injection: enabled
2019/10/14 02:37:58 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/14 02:37:58 net packet injection: enabled
2019/10/14 02:37:58 net device setup: enabled
2019/10/14 02:37:58 concurrency sanitizer: enabled
syzkaller login: [   49.892692][    C1] ==================================================================
[   49.900963][    C1] BUG: KCSAN: data-race in __zone_watermark_ok / get_page_from_freelist
[   49.909267][    C1] 
[   49.911579][    C1] write to 0xffff88812fffcf58 of 8 bytes by task 7182 on cpu 0:
[   49.919200][    C1]  get_page_from_freelist+0x1217/0x2300
[   49.924722][    C1]  __alloc_pages_nodemask+0x255/0x4d0
[   49.930079][    C1]  alloc_pages_vma+0x15b/0x2b0
[   49.934829][    C1]  __handle_mm_fault+0x17ac/0x2d00
[   49.940533][    C1]  handle_mm_fault+0x21b/0x520
[   49.945283][    C1]  __do_page_fault+0x3fb/0x9e0
[   49.950021][    C1]  do_page_fault+0x54/0x233
[   49.954512][    C1]  page_fault+0x34/0x40
[   49.958647][    C1] 
[   49.960953][    C1] read to 0xffff88812fffcf58 of 8 bytes by interrupt on cpu 1:
[   49.968492][    C1]  __zone_watermark_ok+0x106/0x240
[   49.973582][    C1]  get_page_from_freelist+0x629/0x2300
[   49.979015][    C1]  __alloc_pages_nodemask+0x255/0x4d0
[   49.984360][    C1]  alloc_pages_current+0xd1/0x170
[   49.989367][    C1]  skb_page_frag_refill+0x16f/0x260
[   49.994542][    C1]  try_fill_recv+0x51f/0xdc0
[   49.999109][    C1]  virtnet_poll+0x64c/0x7d0
[   50.003591][    C1]  net_rx_action+0x3ae/0xa50
[   50.008171][    C1]  __do_softirq+0x115/0x33f
[   50.012649][    C1]  run_ksoftirqd+0x46/0x60
[   50.017052][    C1]  smpboot_thread_fn+0x37d/0x4a0
[   50.021961][    C1]  kthread+0x1d4/0x200
[   50.026005][    C1]  ret_from_fork+0x1f/0x30
[   50.030388][    C1] 
[   50.032700][    C1] Reported by Kernel Concurrency Sanitizer on:
[   50.038828][    C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.3.0+ #0
[   50.045838][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   50.055875][    C1] ==================================================================
[   50.063908][    C1] Kernel panic - not syncing: panic_on_warn set ...
[   50.070482][    C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.3.0+ #0
[   50.077473][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   50.087501][    C1] Call Trace:
[   50.090769][    C1]  dump_stack+0xf5/0x159
[   50.094988][    C1]  panic+0x209/0x639
[   50.098870][    C1]  ? __do_softirq+0x115/0x33f
[   50.103524][    C1]  ? vprintk_func+0x8d/0x140
[   50.108102][    C1]  kcsan_report.cold+0xc/0x1b
[   50.112755][    C1]  __kcsan_setup_watchpoint+0x3ee/0x510
[   50.118279][    C1]  __tsan_read8+0x2c/0x30
[   50.122607][    C1]  __zone_watermark_ok+0x106/0x240
[   50.127698][    C1]  get_page_from_freelist+0x629/0x2300
[   50.133138][    C1]  ? __kcsan_setup_watchpoint+0x96/0x510
[   50.138833][    C1]  ? __tsan_read8+0x2c/0x30
[   50.143400][    C1]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   50.149615][    C1]  ? __kcsan_setup_watchpoint+0x96/0x510
[   50.155846][    C1]  __alloc_pages_nodemask+0x255/0x4d0
[   50.161209][    C1]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[   50.167427][    C1]  alloc_pages_current+0xd1/0x170
[   50.172429][    C1]  skb_page_frag_refill+0x16f/0x260
[   50.177606][    C1]  try_fill_recv+0x51f/0xdc0
[   50.182172][    C1]  ? __kcsan_setup_watchpoint+0x96/0x510
[   50.187787][    C1]  virtnet_poll+0x64c/0x7d0
[   50.192279][    C1]  net_rx_action+0x3ae/0xa50
[   50.196861][    C1]  __do_softirq+0x115/0x33f
[   50.201344][    C1]  ? takeover_tasklets+0x250/0x250
[   50.206441][    C1]  run_ksoftirqd+0x46/0x60
[   50.210847][    C1]  smpboot_thread_fn+0x37d/0x4a0
[   50.215771][    C1]  kthread+0x1d4/0x200
[   50.219817][    C1]  ? constant_test_bit.constprop.0+0x30/0x30
[   50.225807][    C1]  ? kthread_bind+0x50/0x50
[   50.230299][    C1]  ret_from_fork+0x1f/0x30
[   50.236439][    C1] Kernel Offset: disabled
[   50.241020][    C1] Rebooting in 86400 seconds..