Warning: Permanently added '10.128.0.38' (ECDSA) to the list of known hosts.
2019/10/11 16:30:36 fuzzer started
2019/10/11 16:30:37 dialing manager at 10.128.0.105:43913
2019/10/11 16:30:38 syscalls: 2523
2019/10/11 16:30:38 code coverage: enabled
2019/10/11 16:30:38 comparison tracing: enabled
2019/10/11 16:30:38 extra coverage: extra coverage is not supported by the kernel
2019/10/11 16:30:38 setuid sandbox: enabled
2019/10/11 16:30:38 namespace sandbox: enabled
2019/10/11 16:30:38 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/11 16:30:38 fault injection: enabled
2019/10/11 16:30:38 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/11 16:30:38 net packet injection: enabled
2019/10/11 16:30:38 net device setup: enabled
2019/10/11 16:30:38 concurrency sanitizer: enabled
syzkaller login: [   56.848423][    C1] ==================================================================
[   56.856550][    C1] BUG: KCSAN: data-race in __zone_watermark_ok / get_page_from_freelist
[   56.864848][    C1] 
[   56.867157][    C1] write to 0xffff88812fffcf58 of 8 bytes by task 7363 on cpu 0:
[   56.874767][    C1]  get_page_from_freelist+0x1217/0x2300
[   56.880286][    C1]  __alloc_pages_nodemask+0x255/0x4d0
[   56.885633][    C1]  alloc_pages_vma+0x15b/0x2b0
[   56.890373][    C1]  __handle_mm_fault+0x17ac/0x2d00
[   56.895504][    C1]  handle_mm_fault+0x21b/0x520
[   56.900246][    C1]  __do_page_fault+0x3fb/0x9e0
[   56.904984][    C1]  do_page_fault+0x54/0x233
[   56.909463][    C1]  page_fault+0x34/0x40
[   56.913599][    C1] 
[   56.915920][    C1] read to 0xffff88812fffcf58 of 8 bytes by interrupt on cpu 1:
[   56.923537][    C1]  __zone_watermark_ok+0x106/0x240
[   56.928668][    C1]  get_page_from_freelist+0x629/0x2300
[   56.934109][    C1]  __alloc_pages_nodemask+0x255/0x4d0
[   56.939458][    C1]  alloc_pages_current+0xd1/0x170
[   56.944460][    C1]  skb_page_frag_refill+0x16f/0x260
[   56.949635][    C1]  try_fill_recv+0x51f/0xdc0
[   56.954200][    C1]  virtnet_poll+0x64c/0x7d0
[   56.958689][    C1]  net_rx_action+0x3ae/0xa50
[   56.963256][    C1]  __do_softirq+0x115/0x33f
[   56.967734][    C1]  run_ksoftirqd+0x46/0x60
[   56.972127][    C1]  smpboot_thread_fn+0x37d/0x4a0
[   56.977046][    C1]  kthread+0x1d4/0x200
[   56.981089][    C1]  ret_from_fork+0x1f/0x30
[   56.985475][    C1] 
[   56.987778][    C1] Reported by Kernel Concurrency Sanitizer on:
[   56.993907][    C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.3.0+ #0
[   57.000918][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.010949][    C1] ==================================================================
[   57.018982][    C1] Kernel panic - not syncing: panic_on_warn set ...
[   57.025546][    C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.3.0+ #0
[   57.032536][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.042565][    C1] Call Trace:
[   57.045834][    C1]  dump_stack+0xf5/0x159
[   57.050171][    C1]  panic+0x209/0x639
[   57.054077][    C1]  ? __do_softirq+0x115/0x33f
[   57.058736][    C1]  ? vprintk_func+0x8d/0x140
[   57.063304][    C1]  kcsan_report.cold+0xc/0x1b
[   57.067956][    C1]  __kcsan_setup_watchpoint+0x3ee/0x510
[   57.073478][    C1]  __tsan_read8+0x2c/0x30
[   57.077784][    C1]  __zone_watermark_ok+0x106/0x240
[   57.082874][    C1]  get_page_from_freelist+0x629/0x2300
[   57.088320][    C1]  ? __kcsan_setup_watchpoint+0x96/0x510
[   57.093932][    C1]  ? ip_sublist_rcv+0x5e0/0x5e0
[   57.098767][    C1]  ? __tsan_read8+0x2c/0x30
[   57.103250][    C1]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   57.109467][    C1]  ? __kcsan_setup_watchpoint+0x96/0x510
[   57.115107][    C1]  __alloc_pages_nodemask+0x255/0x4d0
[   57.120472][    C1]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[   57.126706][    C1]  alloc_pages_current+0xd1/0x170
[   57.131717][    C1]  skb_page_frag_refill+0x16f/0x260
[   57.136920][    C1]  try_fill_recv+0x51f/0xdc0
[   57.141488][    C1]  ? __kcsan_setup_watchpoint+0x96/0x510
[   57.147136][    C1]  virtnet_poll+0x64c/0x7d0
[   57.151620][    C1]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   57.157841][    C1]  net_rx_action+0x3ae/0xa50
[   57.162463][    C1]  __do_softirq+0x115/0x33f
[   57.166956][    C1]  ? takeover_tasklets+0x250/0x250
[   57.172040][    C1]  run_ksoftirqd+0x46/0x60
[   57.176432][    C1]  smpboot_thread_fn+0x37d/0x4a0
[   57.181356][    C1]  kthread+0x1d4/0x200
[   57.185401][    C1]  ? constant_test_bit.constprop.0+0x30/0x30
[   57.191374][    C1]  ? kthread_bind+0x50/0x50
[   57.196027][    C1]  ret_from_fork+0x1f/0x30
[   57.201740][    C1] Kernel Offset: disabled
[   57.206067][    C1] Rebooting in 86400 seconds..