Warning: Permanently added '10.128.0.164' (ECDSA) to the list of known hosts.
2019/10/14 21:24:57 fuzzer started
2019/10/14 21:24:58 dialing manager at 10.128.0.105:43961
2019/10/14 21:24:58 syscalls: 2523
2019/10/14 21:24:58 code coverage: enabled
2019/10/14 21:24:58 comparison tracing: enabled
2019/10/14 21:24:58 extra coverage: extra coverage is not supported by the kernel
2019/10/14 21:24:58 setuid sandbox: enabled
2019/10/14 21:24:58 namespace sandbox: enabled
2019/10/14 21:24:58 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/14 21:24:58 fault injection: enabled
2019/10/14 21:24:58 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/14 21:24:58 net packet injection: enabled
2019/10/14 21:24:58 net device setup: enabled
2019/10/14 21:24:58 concurrency sanitizer: enabled
syzkaller login: [   55.027069][ T7269] ==================================================================
[   55.035204][ T7269] BUG: KCSAN: data-race in __zone_watermark_ok / free_one_page
[   55.042719][ T7269] 
[   55.045048][ T7269] read to 0xffff88812fffcf58 of 8 bytes by interrupt on cpu 1:
[   55.052586][ T7269]  __zone_watermark_ok+0x106/0x240
[   55.057681][ T7269]  get_page_from_freelist+0x629/0x2300
[   55.063130][ T7269]  __alloc_pages_nodemask+0x255/0x4d0
[   55.068489][ T7269]  alloc_pages_current+0xd1/0x170
[   55.073503][ T7269]  skb_page_frag_refill+0x16f/0x260
[   55.078684][ T7269]  try_fill_recv+0x51f/0xdc0
[   55.083267][ T7269]  virtnet_poll+0x64c/0x7d0
[   55.087763][ T7269]  net_rx_action+0x3ae/0xa50
[   55.092339][ T7269]  __do_softirq+0x115/0x33f
[   55.096843][ T7269]  run_ksoftirqd+0x46/0x60
[   55.101384][ T7269]  smpboot_thread_fn+0x37d/0x4a0
[   55.106307][ T7269]  kthread+0x1d4/0x200
[   55.110364][ T7269]  ret_from_fork+0x1f/0x30
[   55.114766][ T7269] 
[   55.117083][ T7269] write to 0xffff88812fffcf58 of 8 bytes by task 7269 on cpu 0:
[   55.124700][ T7269]  free_one_page+0x214/0x840
[   55.129275][ T7269]  __free_pages_ok+0x370/0x640
[   55.134024][ T7269]  free_compound_page+0x3d/0x50
[   55.139469][ T7269]  __put_compound_page+0x4e/0x70
[   55.144392][ T7269]  __put_page+0x54/0xd0
[   55.148539][ T7269]  skb_release_data+0x1ba/0x3a0
[   55.153372][ T7269]  skb_release_all+0x44/0x60
[   55.157944][ T7269]  __kfree_skb+0x1f/0x30
[   55.162170][ T7269]  tcp_recvmsg+0xf59/0x1a30
[   55.166655][ T7269]  inet_recvmsg+0xbb/0x250
[   55.171052][ T7269]  sock_recvmsg+0x92/0xb0
[   55.175364][ T7269]  sock_read_iter+0x15f/0x1e0
[   55.180023][ T7269]  new_sync_read+0x389/0x4f0
[   55.184585][ T7269] 
[   55.186894][ T7269] Reported by Kernel Concurrency Sanitizer on:
[   55.193033][ T7269] CPU: 0 PID: 7269 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   55.201334][ T7269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.211552][ T7269] ==================================================================
[   55.219824][ T7269] Kernel panic - not syncing: panic_on_warn set ...
[   55.226407][ T7269] CPU: 0 PID: 7269 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   55.234458][ T7269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.244883][ T7269] Call Trace:
[   55.249048][ T7269]  dump_stack+0xf5/0x159
[   55.253390][ T7269]  panic+0x209/0x639
[   55.257271][ T7269]  ? tcp_recvmsg+0xf59/0x1a30
[   55.261954][ T7269]  ? vprintk_func+0x8d/0x140
[   55.266543][ T7269]  kcsan_report.cold+0xc/0x1b
[   55.271227][ T7269]  __kcsan_setup_watchpoint+0x3ee/0x510
[   55.277033][ T7269]  __tsan_write8+0x32/0x40
[   55.281441][ T7269]  free_one_page+0x214/0x840
[   55.286036][ T7269]  __free_pages_ok+0x370/0x640
[   55.290793][ T7269]  free_compound_page+0x3d/0x50
[   55.296418][ T7269]  __put_compound_page+0x4e/0x70
[   55.301341][ T7269]  __put_page+0x54/0xd0
[   55.305658][ T7269]  skb_release_data+0x1ba/0x3a0
[   55.310497][ T7269]  skb_release_all+0x44/0x60
[   55.315075][ T7269]  __kfree_skb+0x1f/0x30
[   55.320005][ T7269]  tcp_recvmsg+0xf59/0x1a30
[   55.326059][ T7269]  inet_recvmsg+0xbb/0x250
[   55.331436][ T7269]  ? __tsan_read8+0x2c/0x30
[   55.336604][ T7269]  ? inet_sendpage+0x100/0x100
[   55.342390][ T7269]  sock_recvmsg+0x92/0xb0
[   55.346897][ T7269]  sock_read_iter+0x15f/0x1e0
[   55.351780][ T7269]  new_sync_read+0x389/0x4f0
[   55.357017][ T7269]  __vfs_read+0xb1/0xc0
[   55.361168][ T7269]  vfs_read+0x143/0x2c0
[   55.365523][ T7269]  ksys_read+0xd5/0x1b0
[   55.369942][ T7269]  __x64_sys_read+0x4c/0x60
[   55.374718][ T7269]  do_syscall_64+0xcf/0x2f0
[   55.379222][ T7269]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   55.385099][ T7269] RIP: 0033:0x47c530
[   55.388986][ T7269] 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
[   55.408576][ T7269] RSP: 002b:000000c4203177d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000
[   55.416972][ T7269] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   55.424925][ T7269] RDX: 0000000000001000 RSI: 000000c4200a0000 RDI: 0000000000000003
[   55.432902][ T7269] RBP: 000000c420317830 R08: 0000000000000000 R09: 0000000000000000
[   55.440872][ T7269] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000080
[   55.448848][ T7269] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff
[   56.584761][ T7269] Shutting down cpus with NMI
[   56.590727][ T7269] Kernel Offset: disabled
[   56.595055][ T7269] Rebooting in 86400 seconds..