Warning: Permanently added '10.128.15.199' (ECDSA) to the list of known hosts.
2019/10/15 14:23:22 fuzzer started
2019/10/15 14:23:23 dialing manager at 10.128.0.105:38903
2019/10/15 14:23:23 syscalls: 2523
2019/10/15 14:23:23 code coverage: enabled
2019/10/15 14:23:23 comparison tracing: enabled
2019/10/15 14:23:23 extra coverage: extra coverage is not supported by the kernel
2019/10/15 14:23:23 setuid sandbox: enabled
2019/10/15 14:23:23 namespace sandbox: enabled
2019/10/15 14:23:23 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/15 14:23:23 fault injection: enabled
2019/10/15 14:23:23 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/15 14:23:23 net packet injection: enabled
2019/10/15 14:23:23 net device setup: enabled
2019/10/15 14:23:23 concurrency sanitizer: enabled
syzkaller login: [   56.490251][    C0] ==================================================================
[   56.498377][    C0] BUG: KCSAN: data-race in __zone_watermark_ok / free_one_page
[   56.505901][    C0] 
[   56.508219][    C0] write to 0xffff88812fffcf58 of 8 bytes by task 7111 on cpu 1:
[   56.515822][    C0]  free_one_page+0x214/0x840
[   56.520388][    C0]  __free_pages_ok+0x370/0x640
[   56.525137][    C0]  free_compound_page+0x3d/0x50
[   56.529962][    C0]  __put_compound_page+0x4e/0x70
[   56.534872][    C0]  __put_page+0x54/0xd0
[   56.539004][    C0]  skb_release_data+0x1ba/0x3a0
[   56.543831][    C0]  skb_release_all+0x44/0x60
[   56.548410][    C0]  __kfree_skb+0x1f/0x30
[   56.552628][    C0]  tcp_recvmsg+0xf59/0x1a30
[   56.557116][    C0]  inet_recvmsg+0xbb/0x250
[   56.561516][    C0]  sock_recvmsg+0x92/0xb0
[   56.565818][    C0]  sock_read_iter+0x15f/0x1e0
[   56.570480][    C0]  new_sync_read+0x389/0x4f0
[   56.575050][    C0]  __vfs_read+0xb1/0xc0
[   56.579172][    C0] 
[   56.581479][    C0] read to 0xffff88812fffcf58 of 8 bytes by interrupt on cpu 0:
[   56.589018][    C0]  __zone_watermark_ok+0x106/0x240
[   56.594115][    C0]  get_page_from_freelist+0x629/0x2300
[   56.599558][    C0]  __alloc_pages_nodemask+0x255/0x4d0
[   56.604905][    C0]  alloc_pages_current+0xd1/0x170
[   56.609916][    C0]  skb_page_frag_refill+0x16f/0x260
[   56.615091][    C0]  try_fill_recv+0x51f/0xdc0
[   56.619654][    C0]  virtnet_poll+0x64c/0x7d0
[   56.624130][    C0]  net_rx_action+0x3ae/0xa50
[   56.628694][    C0]  __do_softirq+0x115/0x33f
[   56.633171][    C0]  run_ksoftirqd+0x46/0x60
[   56.637572][    C0]  smpboot_thread_fn+0x37d/0x4a0
[   56.642492][    C0]  kthread+0x1d4/0x200
[   56.646531][    C0]  ret_from_fork+0x1f/0x30
[   56.650918][    C0] 
[   56.653222][    C0] Reported by Kernel Concurrency Sanitizer on:
[   56.659352][    C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.3.0+ #0
[   56.666256][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.676282][    C0] ==================================================================
[   56.684323][    C0] Kernel panic - not syncing: panic_on_warn set ...
[   56.690885][    C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.3.0+ #0
[   56.697798][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.707825][    C0] Call Trace:
[   56.711091][    C0]  dump_stack+0xf5/0x159
[   56.715328][    C0]  panic+0x209/0x639
[   56.719235][    C0]  ? __do_softirq+0x115/0x33f
[   56.723891][    C0]  ? vprintk_func+0x8d/0x140
[   56.728563][    C0]  kcsan_report.cold+0xc/0x1b
[   56.733229][    C0]  __kcsan_setup_watchpoint+0x3ee/0x510
[   56.738752][    C0]  __tsan_read8+0x2c/0x30
[   56.743061][    C0]  __zone_watermark_ok+0x106/0x240
[   56.748151][    C0]  get_page_from_freelist+0x629/0x2300
[   56.753676][    C0]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   56.759893][    C0]  ? __kcsan_setup_watchpoint+0x96/0x510
[   56.765502][    C0]  ? __tsan_read8+0x2c/0x30
[   56.769983][    C0]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   56.776197][    C0]  ? __kcsan_setup_watchpoint+0x96/0x510
[   56.781814][    C0]  __alloc_pages_nodemask+0x255/0x4d0
[   56.787165][    C0]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[   56.793385][    C0]  alloc_pages_current+0xd1/0x170
[   56.798388][    C0]  skb_page_frag_refill+0x16f/0x260
[   56.803564][    C0]  try_fill_recv+0x51f/0xdc0
[   56.808128][    C0]  ? __kcsan_setup_watchpoint+0x96/0x510
[   56.813746][    C0]  virtnet_poll+0x64c/0x7d0
[   56.818245][    C0]  ? __sanitizer_cov_trace_cmp2+0x18/0x20
[   56.823951][    C0]  net_rx_action+0x3ae/0xa50
[   56.828522][    C0]  __do_softirq+0x115/0x33f
[   56.833015][    C0]  ? takeover_tasklets+0x250/0x250
[   56.838117][    C0]  run_ksoftirqd+0x46/0x60
[   56.842507][    C0]  smpboot_thread_fn+0x37d/0x4a0
[   56.847423][    C0]  kthread+0x1d4/0x200
[   56.851467][    C0]  ? constant_test_bit.constprop.0+0x30/0x30
[   56.857428][    C0]  ? kthread_bind+0x50/0x50
[   56.861906][    C0]  ret_from_fork+0x1f/0x30
[   56.867936][    C0] Kernel Offset: disabled
[   56.872260][    C0] Rebooting in 86400 seconds..