Warning: Permanently added '10.128.0.133' (ECDSA) to the list of known hosts.
2019/10/12 05:43:16 fuzzer started
2019/10/12 05:43:17 dialing manager at 10.128.0.105:43913
2019/10/12 05:43:17 syscalls: 2523
2019/10/12 05:43:17 code coverage: enabled
2019/10/12 05:43:17 comparison tracing: enabled
2019/10/12 05:43:17 extra coverage: extra coverage is not supported by the kernel
2019/10/12 05:43:17 setuid sandbox: enabled
2019/10/12 05:43:17 namespace sandbox: enabled
2019/10/12 05:43:17 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/12 05:43:17 fault injection: enabled
2019/10/12 05:43:17 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/12 05:43:17 net packet injection: enabled
2019/10/12 05:43:17 net device setup: enabled
2019/10/12 05:43:17 concurrency sanitizer: enabled
[   45.173851][ T7155] ==================================================================
[   45.181995][ T7155] BUG: KCSAN: data-race in __zone_watermark_ok / free_one_page
[   45.189515][ T7155] 
[   45.191832][ T7155] read to 0xffff88812fffcf58 of 8 bytes by interrupt on cpu 1:
[   45.199363][ T7155]  __zone_watermark_ok+0x106/0x240
[   45.204469][ T7155]  get_page_from_freelist+0x629/0x2300
[   45.209912][ T7155]  __alloc_pages_nodemask+0x255/0x4d0
[   45.215267][ T7155]  page_frag_alloc+0x11e/0x2d0
[   45.220018][ T7155]  __napi_alloc_skb+0x172/0x210
[   45.224853][ T7155]  page_to_skb+0x8d/0x480
[   45.229167][ T7155]  receive_buf+0x17c7/0x30b0
[   45.233740][ T7155]  virtnet_poll+0x436/0x7d0
[   45.238223][ T7155]  net_rx_action+0x3ae/0xa50
[   45.242799][ T7155]  __do_softirq+0x115/0x33f
[   45.247287][ T7155]  run_ksoftirqd+0x46/0x60
[   45.251686][ T7155]  smpboot_thread_fn+0x37d/0x4a0
[   45.256616][ T7155]  kthread+0x1d4/0x200
[   45.260670][ T7155]  ret_from_fork+0x1f/0x30
[   45.265063][ T7155] 
[   45.267380][ T7155] write to 0xffff88812fffcf58 of 8 bytes by task 7155 on cpu 0:
[   45.274994][ T7155]  free_one_page+0x214/0x840
[   45.279573][ T7155]  __free_pages_ok+0x370/0x640
[   45.284321][ T7155]  free_compound_page+0x3d/0x50
[   45.289155][ T7155]  __put_compound_page+0x4e/0x70
[   45.294076][ T7155]  __put_page+0x54/0xd0
[   45.298214][ T7155]  skb_release_data+0x1ba/0x3a0
[   45.303045][ T7155]  skb_release_all+0x44/0x60
[   45.307616][ T7155]  __kfree_skb+0x1f/0x30
[   45.311841][ T7155]  tcp_recvmsg+0xf59/0x1a30
[   45.316764][ T7155]  inet_recvmsg+0xbb/0x250
[   45.321164][ T7155]  sock_recvmsg+0x92/0xb0
[   45.325476][ T7155]  sock_read_iter+0x15f/0x1e0
[   45.330137][ T7155]  new_sync_read+0x389/0x4f0
[   45.334704][ T7155] 
[   45.337013][ T7155] Reported by Kernel Concurrency Sanitizer on:
[   45.343151][ T7155] CPU: 0 PID: 7155 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   45.350258][ T7155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   45.360293][ T7155] ==================================================================
[   45.368335][ T7155] Kernel panic - not syncing: panic_on_warn set ...
[   45.374908][ T7155] CPU: 0 PID: 7155 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   45.381997][ T7155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   45.392045][ T7155] Call Trace:
[   45.395326][ T7155]  dump_stack+0xf5/0x159
[   45.399556][ T7155]  panic+0x209/0x639
[   45.403441][ T7155]  ? tcp_recvmsg+0xf59/0x1a30
[   45.408192][ T7155]  ? vprintk_func+0x8d/0x140
[   45.412770][ T7155]  kcsan_report.cold+0xc/0x1b
[   45.417447][ T7155]  __kcsan_setup_watchpoint+0x3ee/0x510
[   45.423328][ T7155]  __tsan_write8+0x32/0x40
[   45.427736][ T7155]  free_one_page+0x214/0x840
[   45.432332][ T7155]  __free_pages_ok+0x370/0x640
[   45.437088][ T7155]  free_compound_page+0x3d/0x50
[   45.441944][ T7155]  __put_compound_page+0x4e/0x70
[   45.446864][ T7155]  __put_page+0x54/0xd0
[   45.451009][ T7155]  skb_release_data+0x1ba/0x3a0
[   45.455849][ T7155]  skb_release_all+0x44/0x60
[   45.460422][ T7155]  __kfree_skb+0x1f/0x30
[   45.464649][ T7155]  tcp_recvmsg+0xf59/0x1a30
[   45.469151][ T7155]  inet_recvmsg+0xbb/0x250
[   45.473566][ T7155]  ? __tsan_read8+0x2c/0x30
[   45.478057][ T7155]  ? inet_sendpage+0x100/0x100
[   45.482806][ T7155]  sock_recvmsg+0x92/0xb0
[   45.487121][ T7155]  sock_read_iter+0x15f/0x1e0
[   45.491793][ T7155]  new_sync_read+0x389/0x4f0
[   45.497168][ T7155]  __vfs_read+0xb1/0xc0
[   45.501311][ T7155]  vfs_read+0x143/0x2c0
[   45.505459][ T7155]  ksys_read+0xd5/0x1b0
[   45.509606][ T7155]  __x64_sys_read+0x4c/0x60
[   45.514100][ T7155]  do_syscall_64+0xcf/0x2f0
[   45.518595][ T7155]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   45.524468][ T7155] RIP: 0033:0x47c530
[   45.528353][ T7155] 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
[   45.547954][ T7155] RSP: 002b:000000c4203c57d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000
[   45.556350][ T7155] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   45.564413][ T7155] RDX: 0000000000001000 RSI: 000000c420318000 RDI: 0000000000000003
[   45.572379][ T7155] RBP: 000000c4203c5830 R08: 0000000000000000 R09: 0000000000000000
[   45.580335][ T7155] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000010
[   45.588291][ T7155] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff
[   46.724615][ T7155] Shutting down cpus with NMI
[   46.730748][ T7155] Kernel Offset: disabled
[   46.735078][ T7155] Rebooting in 86400 seconds..