Warning: Permanently added '10.128.0.53' (ECDSA) to the list of known hosts.
2019/10/13 19:04:46 fuzzer started
2019/10/13 19:04:47 dialing manager at 10.128.0.105:40973
2019/10/13 19:04:47 syscalls: 2523
2019/10/13 19:04:47 code coverage: enabled
2019/10/13 19:04:47 comparison tracing: enabled
2019/10/13 19:04:47 extra coverage: extra coverage is not supported by the kernel
2019/10/13 19:04:47 setuid sandbox: enabled
2019/10/13 19:04:47 namespace sandbox: enabled
2019/10/13 19:04:47 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/13 19:04:47 fault injection: enabled
2019/10/13 19:04:47 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/13 19:04:47 net packet injection: enabled
2019/10/13 19:04:47 net device setup: enabled
2019/10/13 19:04:47 concurrency sanitizer: enabled
syzkaller login: [   51.002785][    C1] ==================================================================
[   51.011039][    C1] BUG: KCSAN: data-race in __zone_watermark_ok / free_one_page
[   51.018556][    C1] 
[   51.020867][    C1] write to 0xffff88812fffcf58 of 8 bytes by task 7281 on cpu 0:
[   51.028623][    C1]  free_one_page+0x214/0x840
[   51.033319][    C1]  __free_pages_ok+0x370/0x640
[   51.038097][    C1]  free_compound_page+0x3d/0x50
[   51.042992][    C1]  __put_compound_page+0x4e/0x70
[   51.047916][    C1]  __put_page+0x54/0xd0
[   51.052051][    C1]  skb_release_data+0x1ba/0x3a0
[   51.056901][    C1]  skb_release_all+0x44/0x60
[   51.061625][    C1]  __kfree_skb+0x1f/0x30
[   51.066215][    C1]  tcp_recvmsg+0xf59/0x1a30
[   51.070723][    C1]  inet_recvmsg+0xbb/0x250
[   51.075125][    C1]  sock_recvmsg+0x92/0xb0
[   51.079580][    C1]  sock_read_iter+0x15f/0x1e0
[   51.084306][    C1]  new_sync_read+0x389/0x4f0
[   51.089086][    C1]  __vfs_read+0xb1/0xc0
[   51.093223][    C1] 
[   51.095666][    C1] read to 0xffff88812fffcf58 of 8 bytes by interrupt on cpu 1:
[   51.103709][    C1]  __zone_watermark_ok+0x106/0x240
[   51.108832][    C1]  get_page_from_freelist+0x629/0x2300
[   51.114504][    C1]  __alloc_pages_nodemask+0x255/0x4d0
[   51.119859][    C1]  alloc_pages_current+0xd1/0x170
[   51.124920][    C1]  skb_page_frag_refill+0x16f/0x260
[   51.130162][    C1]  try_fill_recv+0x51f/0xdc0
[   51.134737][    C1]  virtnet_poll+0x64c/0x7d0
[   51.139286][    C1]  net_rx_action+0x3ae/0xa50
[   51.143947][    C1]  __do_softirq+0x115/0x33f
[   51.148478][    C1]  run_ksoftirqd+0x46/0x60
[   51.152978][    C1]  smpboot_thread_fn+0x37d/0x4a0
[   51.158013][    C1]  kthread+0x1d4/0x200
[   51.162216][    C1]  ret_from_fork+0x1f/0x30
[   51.166699][    C1] 
[   51.169015][    C1] Reported by Kernel Concurrency Sanitizer on:
[   51.175418][    C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.3.0+ #0
[   51.182565][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   51.192795][    C1] ==================================================================
[   51.201135][    C1] Kernel panic - not syncing: panic_on_warn set ...
[   51.207924][    C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.3.0+ #0
[   51.214939][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   51.224991][    C1] Call Trace:
[   51.228276][    C1]  dump_stack+0xf5/0x159
[   51.232638][    C1]  panic+0x209/0x639
[   51.236529][    C1]  ? __do_softirq+0x115/0x33f
[   51.241194][    C1]  ? vprintk_func+0x8d/0x140
[   51.245779][    C1]  kcsan_report.cold+0xc/0x1b
[   51.250462][    C1]  __kcsan_setup_watchpoint+0x3ee/0x510
[   51.256173][    C1]  __tsan_read8+0x2c/0x30
[   51.260511][    C1]  __zone_watermark_ok+0x106/0x240
[   51.265980][    C1]  get_page_from_freelist+0x629/0x2300
[   51.271599][    C1]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   51.278069][    C1]  ? __kcsan_setup_watchpoint+0x96/0x510
[   51.283691][    C1]  ? __tsan_read8+0x2c/0x30
[   51.288295][    C1]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   51.294515][    C1]  ? __kcsan_setup_watchpoint+0x96/0x510
[   51.300156][    C1]  __alloc_pages_nodemask+0x255/0x4d0
[   51.305541][    C1]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[   51.311772][    C1]  alloc_pages_current+0xd1/0x170
[   51.316782][    C1]  skb_page_frag_refill+0x16f/0x260
[   51.322079][    C1]  try_fill_recv+0x51f/0xdc0
[   51.326649][    C1]  ? __kcsan_setup_watchpoint+0x96/0x510
[   51.332278][    C1]  virtnet_poll+0x64c/0x7d0
[   51.337001][    C1]  net_rx_action+0x3ae/0xa50
[   51.341606][    C1]  __do_softirq+0x115/0x33f
[   51.347531][    C1]  ? takeover_tasklets+0x250/0x250
[   51.352661][    C1]  run_ksoftirqd+0x46/0x60
[   51.357061][    C1]  smpboot_thread_fn+0x37d/0x4a0
[   51.361993][    C1]  kthread+0x1d4/0x200
[   51.366057][    C1]  ? constant_test_bit.constprop.0+0x30/0x30
[   51.372294][    C1]  ? kthread_bind+0x50/0x50
[   51.377053][    C1]  ret_from_fork+0x1f/0x30
[   51.383064][    C1] Kernel Offset: disabled
[   51.387698][    C1] Rebooting in 86400 seconds..