Warning: Permanently added '10.128.0.131' (ECDSA) to the list of known hosts.
2019/10/15 20:50:18 fuzzer started
2019/10/15 20:50:20 dialing manager at 10.128.0.105:38903
2019/10/15 20:50:20 syscalls: 2523
2019/10/15 20:50:20 code coverage: enabled
2019/10/15 20:50:20 comparison tracing: enabled
2019/10/15 20:50:20 extra coverage: extra coverage is not supported by the kernel
2019/10/15 20:50:20 setuid sandbox: enabled
2019/10/15 20:50:20 namespace sandbox: enabled
2019/10/15 20:50:20 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/15 20:50:20 fault injection: enabled
2019/10/15 20:50:20 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/15 20:50:20 net packet injection: enabled
2019/10/15 20:50:20 net device setup: enabled
2019/10/15 20:50:20 concurrency sanitizer: enabled
[   46.733454][ T7212] ==================================================================
[   46.741574][ T7212] BUG: KCSAN: data-race in __zone_watermark_ok / free_one_page
[   46.749097][ T7212] 
[   46.751418][ T7212] read to 0xffff88812fffcf58 of 8 bytes by interrupt on cpu 1:
[   46.758945][ T7212]  __zone_watermark_ok+0x106/0x240
[   46.764043][ T7212]  get_page_from_freelist+0x629/0x2300
[   46.769487][ T7212]  __alloc_pages_nodemask+0x255/0x4d0
[   46.774843][ T7212]  alloc_pages_current+0xd1/0x170
[   46.779854][ T7212]  skb_page_frag_refill+0x16f/0x260
[   46.785034][ T7212]  try_fill_recv+0x51f/0xdc0
[   46.789606][ T7212]  virtnet_poll+0x64c/0x7d0
[   46.794089][ T7212]  net_rx_action+0x3ae/0xa50
[   46.798664][ T7212]  __do_softirq+0x115/0x33f
[   46.803149][ T7212]  run_ksoftirqd+0x46/0x60
[   46.807545][ T7212]  smpboot_thread_fn+0x37d/0x4a0
[   46.812474][ T7212]  kthread+0x1d4/0x200
[   46.816522][ T7212]  ret_from_fork+0x1f/0x30
[   46.820910][ T7212] 
[   46.823227][ T7212] write to 0xffff88812fffcf58 of 8 bytes by task 7212 on cpu 0:
[   46.830838][ T7212]  free_one_page+0x214/0x840
[   46.835411][ T7212]  __free_pages_ok+0x370/0x640
[   46.840199][ T7212]  free_compound_page+0x3d/0x50
[   46.845034][ T7212]  __put_compound_page+0x4e/0x70
[   46.849951][ T7212]  __put_page+0x54/0xd0
[   46.854090][ T7212]  skb_release_data+0x1ba/0x3a0
[   46.858921][ T7212]  skb_release_all+0x44/0x60
[   46.863494][ T7212]  __kfree_skb+0x1f/0x30
[   46.867715][ T7212]  tcp_recvmsg+0xf59/0x1a30
[   46.872213][ T7212]  inet_recvmsg+0xbb/0x250
[   46.876607][ T7212]  sock_recvmsg+0x92/0xb0
[   46.880918][ T7212]  sock_read_iter+0x15f/0x1e0
[   46.885576][ T7212]  new_sync_read+0x389/0x4f0
[   46.890140][ T7212] 
[   46.892446][ T7212] Reported by Kernel Concurrency Sanitizer on:
[   46.898593][ T7212] CPU: 0 PID: 7212 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   46.905686][ T7212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   46.915719][ T7212] ==================================================================
[   46.923764][ T7212] Kernel panic - not syncing: panic_on_warn set ...
[   46.930334][ T7212] CPU: 0 PID: 7212 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   46.937415][ T7212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   46.947449][ T7212] Call Trace:
[   46.950730][ T7212]  dump_stack+0xf5/0x159
[   46.954965][ T7212]  panic+0x209/0x639
[   46.958845][ T7212]  ? tcp_recvmsg+0xf59/0x1a30
[   46.963504][ T7212]  ? vprintk_func+0x8d/0x140
[   46.968083][ T7212]  kcsan_report.cold+0xc/0x1b
[   46.973100][ T7212]  __kcsan_setup_watchpoint+0x3ee/0x510
[   46.978635][ T7212]  __tsan_write8+0x32/0x40
[   46.983037][ T7212]  free_one_page+0x214/0x840
[   46.987620][ T7212]  __free_pages_ok+0x370/0x640
[   46.992379][ T7212]  free_compound_page+0x3d/0x50
[   46.997211][ T7212]  __put_compound_page+0x4e/0x70
[   47.002129][ T7212]  __put_page+0x54/0xd0
[   47.006279][ T7212]  skb_release_data+0x1ba/0x3a0
[   47.011116][ T7212]  skb_release_all+0x44/0x60
[   47.015689][ T7212]  __kfree_skb+0x1f/0x30
[   47.019913][ T7212]  tcp_recvmsg+0xf59/0x1a30
[   47.024409][ T7212]  ? finish_task_switch+0x7b/0x260
[   47.029529][ T7212]  inet_recvmsg+0xbb/0x250
[   47.033927][ T7212]  ? __tsan_read8+0x2c/0x30
[   47.038415][ T7212]  ? inet_sendpage+0x100/0x100
[   47.043169][ T7212]  sock_recvmsg+0x92/0xb0
[   47.047483][ T7212]  sock_read_iter+0x15f/0x1e0
[   47.052150][ T7212]  new_sync_read+0x389/0x4f0
[   47.056747][ T7212]  __vfs_read+0xb1/0xc0
[   47.060890][ T7212]  vfs_read+0x143/0x2c0
[   47.065044][ T7212]  ksys_read+0xd5/0x1b0
[   47.069186][ T7212]  __x64_sys_read+0x4c/0x60
[   47.073675][ T7212]  do_syscall_64+0xcf/0x2f0
[   47.078172][ T7212]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   47.084045][ T7212] RIP: 0033:0x47c530
[   47.087952][ T7212] Code: 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 49 c7 c2 00 00 00 00 49 c7 c0 00 00 00 00 49 c7 c1 00 00 00 00 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30
[   47.107539][ T7212] RSP: 002b:000000c4203257d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000
[   47.115940][ T7212] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   47.123890][ T7212] RDX: 0000000000001000 RSI: 000000c4202c4000 RDI: 0000000000000003
[   47.131851][ T7212] RBP: 000000c420325830 R08: 0000000000000000 R09: 0000000000000000
[   47.139803][ T7212] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000008
[   47.147759][ T7212] R13: ffffffffffffffff R14: 0000000000000004 R15: ffffffffffffffff
[   48.279508][ T7212] Shutting down cpus with NMI
[   48.285293][ T7212] Kernel Offset: disabled
[   48.289626][ T7212] Rebooting in 86400 seconds..