Warning: Permanently added '10.128.10.43' (ECDSA) to the list of known hosts.
2019/10/15 17:49:58 fuzzer started
2019/10/15 17:49:59 dialing manager at 10.128.0.105:38903
2019/10/15 17:49:59 syscalls: 2523
2019/10/15 17:49:59 code coverage: enabled
2019/10/15 17:49:59 comparison tracing: enabled
2019/10/15 17:49:59 extra coverage: extra coverage is not supported by the kernel
2019/10/15 17:49:59 setuid sandbox: enabled
2019/10/15 17:49:59 namespace sandbox: enabled
2019/10/15 17:49:59 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/15 17:49:59 fault injection: enabled
2019/10/15 17:49:59 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/15 17:49:59 net packet injection: enabled
2019/10/15 17:49:59 net device setup: enabled
2019/10/15 17:49:59 concurrency sanitizer: enabled
syzkaller login: [   47.104758][ T7157] ==================================================================
[   47.112899][ T7157] BUG: KCSAN: data-race in __zone_watermark_ok / free_one_page
[   47.120416][ T7157] 
[   47.122743][ T7157] read to 0xffff88812fffcf58 of 8 bytes by interrupt on cpu 1:
[   47.130277][ T7157]  __zone_watermark_ok+0x106/0x240
[   47.135401][ T7157]  get_page_from_freelist+0x629/0x2300
[   47.140873][ T7157]  __alloc_pages_nodemask+0x255/0x4d0
[   47.146227][ T7157]  alloc_pages_current+0xd1/0x170
[   47.151241][ T7157]  skb_page_frag_refill+0x16f/0x260
[   47.156440][ T7157]  try_fill_recv+0x51f/0xdc0
[   47.161014][ T7157]  virtnet_poll+0x64c/0x7d0
[   47.165501][ T7157]  net_rx_action+0x3ae/0xa50
[   47.170182][ T7157]  __do_softirq+0x115/0x33f
[   47.174670][ T7157]  irq_exit+0xbb/0xe0
[   47.178648][ T7157]  do_IRQ+0xdf/0x150
[   47.182525][ T7157]  ret_from_intr+0x0/0x19
[   47.186838][ T7157]  native_safe_halt+0xe/0x10
[   47.191415][ T7157]  arch_cpu_idle+0x1f/0x30
[   47.195807][ T7157] 
[   47.198128][ T7157] write to 0xffff88812fffcf58 of 8 bytes by task 7157 on cpu 0:
[   47.205760][ T7157]  free_one_page+0x214/0x840
[   47.210692][ T7157]  __free_pages_ok+0x370/0x640
[   47.215444][ T7157]  free_compound_page+0x3d/0x50
[   47.220288][ T7157]  __put_compound_page+0x4e/0x70
[   47.225229][ T7157]  __put_page+0x54/0xd0
[   47.229377][ T7157]  skb_release_data+0x1ba/0x3a0
[   47.234215][ T7157]  skb_release_all+0x44/0x60
[   47.238788][ T7157]  __kfree_skb+0x1f/0x30
[   47.243018][ T7157]  tcp_recvmsg+0xf59/0x1a30
[   47.247510][ T7157]  inet_recvmsg+0xbb/0x250
[   47.252014][ T7157]  sock_recvmsg+0x92/0xb0
[   47.256363][ T7157]  sock_read_iter+0x15f/0x1e0
[   47.261031][ T7157]  new_sync_read+0x389/0x4f0
[   47.265596][ T7157] 
[   47.267904][ T7157] Reported by Kernel Concurrency Sanitizer on:
[   47.274045][ T7157] CPU: 0 PID: 7157 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   47.281131][ T7157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   47.291167][ T7157] ==================================================================
[   47.299212][ T7157] Kernel panic - not syncing: panic_on_warn set ...
[   47.307830][ T7157] CPU: 0 PID: 7157 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   47.314932][ T7157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   47.326792][ T7157] Call Trace:
[   47.330077][ T7157]  dump_stack+0xf5/0x159
[   47.334310][ T7157]  panic+0x209/0x639
[   47.338251][ T7157]  ? tcp_recvmsg+0xf59/0x1a30
[   47.342941][ T7157]  ? vprintk_func+0x8d/0x140
[   47.347529][ T7157]  kcsan_report.cold+0xc/0x1b
[   47.352199][ T7157]  __kcsan_setup_watchpoint+0x3ee/0x510
[   47.357756][ T7157]  __tsan_write8+0x32/0x40
[   47.362171][ T7157]  free_one_page+0x214/0x840
[   47.366770][ T7157]  __free_pages_ok+0x370/0x640
[   47.371528][ T7157]  free_compound_page+0x3d/0x50
[   47.376367][ T7157]  __put_compound_page+0x4e/0x70
[   47.381291][ T7157]  __put_page+0x54/0xd0
[   47.385441][ T7157]  skb_release_data+0x1ba/0x3a0
[   47.390283][ T7157]  skb_release_all+0x44/0x60
[   47.394861][ T7157]  __kfree_skb+0x1f/0x30
[   47.399092][ T7157]  tcp_recvmsg+0xf59/0x1a30
[   47.403800][ T7157]  inet_recvmsg+0xbb/0x250
[   47.408202][ T7157]  ? __tsan_read8+0x2c/0x30
[   47.412709][ T7157]  ? inet_sendpage+0x100/0x100
[   47.417549][ T7157]  sock_recvmsg+0x92/0xb0
[   47.421866][ T7157]  sock_read_iter+0x15f/0x1e0
[   47.426557][ T7157]  new_sync_read+0x389/0x4f0
[   47.431167][ T7157]  __vfs_read+0xb1/0xc0
[   47.435317][ T7157]  vfs_read+0x143/0x2c0
[   47.442256][ T7157]  ksys_read+0xd5/0x1b0
[   47.446403][ T7157]  __x64_sys_read+0x4c/0x60
[   47.450911][ T7157]  do_syscall_64+0xcf/0x2f0
[   47.455405][ T7157]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   47.461291][ T7157] RIP: 0033:0x47c530
[   47.465178][ T7157] 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
[   47.484873][ T7157] RSP: 002b:000000c4203c97d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000
[   47.493268][ T7157] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   47.501238][ T7157] RDX: 0000000000001000 RSI: 000000c4203b6000 RDI: 0000000000000003
[   47.509193][ T7157] RBP: 000000c4203c9830 R08: 0000000000000000 R09: 0000000000000000
[   47.517429][ T7157] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000010
[   47.525399][ T7157] R13: ffffffffffffffff R14: 0000000000000004 R15: ffffffffffffffff
[   48.664345][ T7157] Shutting down cpus with NMI
[   48.670412][ T7157] Kernel Offset: disabled
[   48.674835][ T7157] Rebooting in 86400 seconds..