Warning: Permanently added '10.128.0.54' (ECDSA) to the list of known hosts.
2019/10/08 23:31:14 fuzzer started
2019/10/08 23:31:16 dialing manager at 10.128.0.105:35069
2019/10/08 23:31:16 syscalls: 2523
2019/10/08 23:31:16 code coverage: enabled
2019/10/08 23:31:16 comparison tracing: enabled
2019/10/08 23:31:16 extra coverage: extra coverage is not supported by the kernel
2019/10/08 23:31:16 setuid sandbox: enabled
2019/10/08 23:31:16 namespace sandbox: enabled
2019/10/08 23:31:16 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/08 23:31:16 fault injection: enabled
2019/10/08 23:31:16 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/08 23:31:16 net packet injection: enabled
2019/10/08 23:31:16 net device setup: enabled
2019/10/08 23:31:16 concurrency sanitizer: enabled
syzkaller login: [   51.551184][    C1] ==================================================================
[   51.559299][    C1] BUG: KCSAN: data-race in __zone_watermark_ok / get_page_from_freelist
[   51.567591][    C1] 
[   51.569898][    C1] write to 0xffff88812fffcf58 of 8 bytes by task 7234 on cpu 0:
[   51.577508][    C1]  get_page_from_freelist+0x1217/0x2300
[   51.583028][    C1]  __alloc_pages_nodemask+0x255/0x4d0
[   51.588372][    C1]  alloc_pages_vma+0x15b/0x2b0
[   51.593111][    C1]  __handle_mm_fault+0x17ac/0x2d00
[   51.598195][    C1]  handle_mm_fault+0x21b/0x520
[   51.602966][    C1]  __do_page_fault+0x3fb/0x9e0
[   51.607701][    C1]  do_page_fault+0x54/0x233
[   51.612178][    C1]  page_fault+0x34/0x40
[   51.616308][    C1] 
[   51.618611][    C1] read to 0xffff88812fffcf58 of 8 bytes by interrupt on cpu 1:
[   51.626134][    C1]  __zone_watermark_ok+0x106/0x240
[   51.631227][    C1]  get_page_from_freelist+0x629/0x2300
[   51.636657][    C1]  __alloc_pages_nodemask+0x255/0x4d0
[   51.641999][    C1]  alloc_pages_current+0xd1/0x170
[   51.646999][    C1]  skb_page_frag_refill+0x16f/0x260
[   51.652191][    C1]  try_fill_recv+0x51f/0xdc0
[   51.656768][    C1]  virtnet_poll+0x64c/0x7d0
[   51.661252][    C1]  net_rx_action+0x3ae/0xa50
[   51.665813][    C1]  __do_softirq+0x115/0x33f
[   51.670288][    C1]  run_ksoftirqd+0x46/0x60
[   51.674677][    C1]  smpboot_thread_fn+0x37d/0x4a0
[   51.679587][    C1]  kthread+0x1d4/0x200
[   51.683629][    C1]  ret_from_fork+0x1f/0x30
[   51.688009][    C1] 
[   51.690308][    C1] Reported by Kernel Concurrency Sanitizer on:
[   51.696442][    C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.3.0+ #0
[   51.703443][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   51.713484][    C1] ==================================================================
[   51.721517][    C1] Kernel panic - not syncing: panic_on_warn set ...
[   51.728077][    C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.3.0+ #0
[   51.735069][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   51.745092][    C1] Call Trace:
[   51.748368][    C1]  dump_stack+0xf5/0x159
[   51.752596][    C1]  panic+0x209/0x639
[   51.756471][    C1]  ? __do_softirq+0x115/0x33f
[   51.761121][    C1]  ? vprintk_func+0x8d/0x140
[   51.765687][    C1]  kcsan_report.cold+0xc/0x1b
[   51.770356][    C1]  __kcsan_setup_watchpoint+0x3ee/0x510
[   51.775883][    C1]  __tsan_read8+0x2c/0x30
[   51.780194][    C1]  __zone_watermark_ok+0x106/0x240
[   51.785287][    C1]  get_page_from_freelist+0x629/0x2300
[   51.790730][    C1]  ? __kcsan_setup_watchpoint+0x96/0x510
[   51.796338][    C1]  ? ip_sublist_rcv+0x5e0/0x5e0
[   51.801165][    C1]  ? __tsan_read8+0x2c/0x30
[   51.805650][    C1]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   51.811865][    C1]  ? __kcsan_setup_watchpoint+0x96/0x510
[   51.817518][    C1]  __alloc_pages_nodemask+0x255/0x4d0
[   51.822879][    C1]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[   51.829094][    C1]  alloc_pages_current+0xd1/0x170
[   51.834106][    C1]  skb_page_frag_refill+0x16f/0x260
[   51.839291][    C1]  try_fill_recv+0x51f/0xdc0
[   51.843854][    C1]  ? __kcsan_setup_watchpoint+0x96/0x510
[   51.849468][    C1]  virtnet_poll+0x64c/0x7d0
[   51.853981][    C1]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   51.860200][    C1]  net_rx_action+0x3ae/0xa50
[   51.864805][    C1]  __do_softirq+0x115/0x33f
[   51.869287][    C1]  ? takeover_tasklets+0x250/0x250
[   51.874410][    C1]  run_ksoftirqd+0x46/0x60
[   51.878800][    C1]  smpboot_thread_fn+0x37d/0x4a0
[   51.883714][    C1]  kthread+0x1d4/0x200
[   51.887793][    C1]  ? constant_test_bit.constprop.0+0x30/0x30
[   51.893749][    C1]  ? kthread_bind+0x50/0x50
[   51.898227][    C1]  ret_from_fork+0x1f/0x30
[   51.903750][    C1] Kernel Offset: disabled
[   51.908070][    C1] Rebooting in 86400 seconds..