Warning: Permanently added '10.128.0.24' (ECDSA) to the list of known hosts.
2019/10/15 01:31:50 fuzzer started
2019/10/15 01:31:52 dialing manager at 10.128.0.105:33683
2019/10/15 01:31:52 syscalls: 2523
2019/10/15 01:31:52 code coverage: enabled
2019/10/15 01:31:52 comparison tracing: enabled
2019/10/15 01:31:52 extra coverage: extra coverage is not supported by the kernel
2019/10/15 01:31:52 setuid sandbox: enabled
2019/10/15 01:31:52 namespace sandbox: enabled
2019/10/15 01:31:52 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/15 01:31:52 fault injection: enabled
2019/10/15 01:31:52 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/15 01:31:52 net packet injection: enabled
2019/10/15 01:31:52 net device setup: enabled
2019/10/15 01:31:52 concurrency sanitizer: enabled
syzkaller login: [   52.744766][ T7288] ==================================================================
[   52.752894][ T7288] BUG: KCSAN: data-race in __zone_watermark_ok / free_one_page
[   52.760545][ T7288] 
[   52.762870][ T7288] read to 0xffff88812fffcf58 of 8 bytes by interrupt on cpu 1:
[   52.770404][ T7288]  __zone_watermark_ok+0x106/0x240
[   52.775607][ T7288]  get_page_from_freelist+0x629/0x2300
[   52.781059][ T7288]  __alloc_pages_nodemask+0x255/0x4d0
[   52.786427][ T7288]  alloc_pages_current+0xd1/0x170
[   52.791445][ T7288]  skb_page_frag_refill+0x16f/0x260
[   52.796637][ T7288]  try_fill_recv+0x51f/0xdc0
[   52.801227][ T7288]  virtnet_poll+0x64c/0x7d0
[   52.805767][ T7288]  net_rx_action+0x3ae/0xa50
[   52.810661][ T7288]  __do_softirq+0x115/0x33f
[   52.815158][ T7288]  run_ksoftirqd+0x46/0x60
[   52.819576][ T7288]  smpboot_thread_fn+0x37d/0x4a0
[   52.824600][ T7288]  kthread+0x1d4/0x200
[   52.828662][ T7288]  ret_from_fork+0x1f/0x30
[   52.833061][ T7288] 
[   52.835383][ T7288] write to 0xffff88812fffcf58 of 8 bytes by task 7288 on cpu 0:
[   52.843004][ T7288]  free_one_page+0x783/0x840
[   52.847588][ T7288]  __free_pages_ok+0x370/0x640
[   52.852343][ T7288]  free_compound_page+0x3d/0x50
[   52.857204][ T7288]  __put_compound_page+0x4e/0x70
[   52.862147][ T7288]  __put_page+0x54/0xd0
[   52.866294][ T7288]  skb_release_data+0x1ba/0x3a0
[   52.871173][ T7288]  skb_release_all+0x44/0x60
[   52.875753][ T7288]  __kfree_skb+0x1f/0x30
[   52.879991][ T7288]  tcp_recvmsg+0xf59/0x1a30
[   52.884486][ T7288]  inet_recvmsg+0xbb/0x250
[   52.888977][ T7288]  sock_recvmsg+0x92/0xb0
[   52.893295][ T7288]  sock_read_iter+0x15f/0x1e0
[   52.898001][ T7288]  new_sync_read+0x389/0x4f0
[   52.902571][ T7288] 
[   52.904885][ T7288] Reported by Kernel Concurrency Sanitizer on:
[   52.911033][ T7288] CPU: 0 PID: 7288 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   52.918124][ T7288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   52.928388][ T7288] ==================================================================
[   52.936441][ T7288] Kernel panic - not syncing: panic_on_warn set ...
[   52.943110][ T7288] CPU: 0 PID: 7288 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   52.950208][ T7288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   52.960253][ T7288] Call Trace:
[   52.963541][ T7288]  dump_stack+0xf5/0x159
[   52.967782][ T7288]  panic+0x209/0x639
[   52.971689][ T7288]  ? tcp_recvmsg+0xf59/0x1a30
[   52.976359][ T7288]  ? vprintk_func+0x8d/0x140
[   52.980948][ T7288]  kcsan_report.cold+0xc/0x1b
[   52.985639][ T7288]  __kcsan_setup_watchpoint+0x3ee/0x510
[   52.991181][ T7288]  __tsan_write8+0x32/0x40
[   52.995597][ T7288]  free_one_page+0x783/0x840
[   53.000201][ T7288]  __free_pages_ok+0x370/0x640
[   53.004965][ T7288]  free_compound_page+0x3d/0x50
[   53.009811][ T7288]  __put_compound_page+0x4e/0x70
[   53.014779][ T7288]  __put_page+0x54/0xd0
[   53.018931][ T7288]  skb_release_data+0x1ba/0x3a0
[   53.023788][ T7288]  skb_release_all+0x44/0x60
[   53.028370][ T7288]  __kfree_skb+0x1f/0x30
[   53.032630][ T7288]  tcp_recvmsg+0xf59/0x1a30
[   53.037228][ T7288]  inet_recvmsg+0xbb/0x250
[   53.041638][ T7288]  ? __tsan_read8+0x2c/0x30
[   53.046281][ T7288]  ? inet_sendpage+0x100/0x100
[   53.051050][ T7288]  sock_recvmsg+0x92/0xb0
[   53.055394][ T7288]  sock_read_iter+0x15f/0x1e0
[   53.060104][ T7288]  new_sync_read+0x389/0x4f0
[   53.064698][ T7288]  __vfs_read+0xb1/0xc0
[   53.068862][ T7288]  vfs_read+0x143/0x2c0
[   53.073152][ T7288]  ksys_read+0xd5/0x1b0
[   53.077306][ T7288]  __x64_sys_read+0x4c/0x60
[   53.081807][ T7288]  do_syscall_64+0xcf/0x2f0
[   53.086310][ T7288]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   53.092197][ T7288] RIP: 0033:0x47c530
[   53.096094][ T7288] 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
[   53.115691][ T7288] RSP: 002b:000000c4202a57d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000
[   53.124109][ T7288] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   53.132062][ T7288] RDX: 0000000000001000 RSI: 000000c4202c0000 RDI: 0000000000000003
[   53.140046][ T7288] RBP: 000000c4202a5830 R08: 0000000000000000 R09: 0000000000000000
[   53.148011][ T7288] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000008
[   53.156115][ T7288] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff
[   54.295393][ T7288] Shutting down cpus with NMI
[   54.301687][ T7288] Kernel Offset: disabled
[   54.306021][ T7288] Rebooting in 86400 seconds..