Warning: Permanently added '10.128.0.175' (ECDSA) to the list of known hosts.
2019/10/13 23:00:21 fuzzer started
2019/10/13 23:00:23 dialing manager at 10.128.0.105:40973
2019/10/13 23:00:23 syscalls: 2523
2019/10/13 23:00:23 code coverage: enabled
2019/10/13 23:00:23 comparison tracing: enabled
2019/10/13 23:00:23 extra coverage: extra coverage is not supported by the kernel
2019/10/13 23:00:23 setuid sandbox: enabled
2019/10/13 23:00:23 namespace sandbox: enabled
2019/10/13 23:00:23 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/13 23:00:23 fault injection: enabled
2019/10/13 23:00:23 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/13 23:00:23 net packet injection: enabled
2019/10/13 23:00:23 net device setup: enabled
2019/10/13 23:00:23 concurrency sanitizer: enabled
syzkaller login: [   50.861387][ T7351] ==================================================================
[   50.869547][ T7351] BUG: KCSAN: data-race in ktime_get_seconds / timekeeping_advance
[   50.877843][ T7351] 
[   50.880160][ T7351] write to 0xffffffff8603db08 of 280 bytes by interrupt on cpu 1:
[   50.888006][ T7351]  timekeeping_advance+0x893/0xd80
[   50.893107][ T7351]  update_wall_time+0x19/0x20
[   50.897777][ T7351]  tick_do_update_jiffies64+0x1ae/0x260
[   50.903305][ T7351]  tick_sched_do_timer+0xd4/0xe0
[   50.908241][ T7351]  tick_sched_timer+0x43/0xe0
[   50.912904][ T7351]  __hrtimer_run_queues+0x288/0x600
[   50.918096][ T7351]  hrtimer_interrupt+0x22a/0x480
[   50.923033][ T7351]  smp_apic_timer_interrupt+0xdc/0x280
[   50.928471][ T7351]  apic_timer_interrupt+0xf/0x20
[   50.934872][ T7351]  __napi_alloc_skb+0x0/0x210
[   50.939547][ T7351]  receive_buf+0x17c7/0x30b0
[   50.944127][ T7351]  virtnet_poll+0x436/0x7d0
[   50.948610][ T7351]  net_rx_action+0x3ae/0xa50
[   50.953202][ T7351]  __do_softirq+0x115/0x33f
[   50.957697][ T7351] 
[   50.960032][ T7351] read to 0xffffffff8603db80 of 8 bytes by task 7351 on cpu 0:
[   50.967598][ T7351]  ktime_get_seconds+0x49/0x60
[   50.972358][ T7351]  tcp_rcv_established+0xeeb/0xf50
[   50.977536][ T7351]  tcp_v4_do_rcv+0x381/0x4e0
[   50.982108][ T7351]  __release_sock+0x135/0x1e0
[   50.986774][ T7351]  release_sock+0x61/0x160
[   50.991182][ T7351]  tcp_recvmsg+0x63b/0x1a30
[   50.995676][ T7351]  inet_recvmsg+0xbb/0x250
[   51.000081][ T7351]  sock_recvmsg+0x92/0xb0
[   51.004387][ T7351]  sock_read_iter+0x15f/0x1e0
[   51.009065][ T7351]  new_sync_read+0x389/0x4f0
[   51.013634][ T7351]  __vfs_read+0xb1/0xc0
[   51.017767][ T7351]  vfs_read+0x143/0x2c0
[   51.021918][ T7351]  ksys_read+0xd5/0x1b0
[   51.026055][ T7351] 
[   51.028359][ T7351] Reported by Kernel Concurrency Sanitizer on:
[   51.034581][ T7351] CPU: 0 PID: 7351 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   51.041663][ T7351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   51.051705][ T7351] ==================================================================
[   51.059753][ T7351] Kernel panic - not syncing: panic_on_warn set ...
[   51.066322][ T7351] CPU: 0 PID: 7351 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   51.073415][ T7351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   51.083709][ T7351] Call Trace:
[   51.086989][ T7351]  dump_stack+0xf5/0x159
[   51.091226][ T7351]  panic+0x209/0x639
[   51.095155][ T7351]  ? sock_read_iter+0x15f/0x1e0
[   51.099989][ T7351]  ? vprintk_func+0x8d/0x140
[   51.104564][ T7351]  kcsan_report.cold+0xc/0x1b
[   51.109349][ T7351]  __kcsan_setup_watchpoint+0x3ee/0x510
[   51.114879][ T7351]  __tsan_read8+0x2c/0x30
[   51.119187][ T7351]  ktime_get_seconds+0x49/0x60
[   51.123934][ T7351]  tcp_rcv_established+0xeeb/0xf50
[   51.129036][ T7351]  ? ipv4_dst_check+0xc6/0xf0
[   51.133716][ T7351]  tcp_v4_do_rcv+0x381/0x4e0
[   51.138312][ T7351]  __release_sock+0x135/0x1e0
[   51.142989][ T7351]  release_sock+0x61/0x160
[   51.147387][ T7351]  tcp_recvmsg+0x63b/0x1a30
[   51.151880][ T7351]  inet_recvmsg+0xbb/0x250
[   51.156363][ T7351]  ? __tsan_read8+0x2c/0x30
[   51.160847][ T7351]  ? inet_sendpage+0x100/0x100
[   51.165593][ T7351]  sock_recvmsg+0x92/0xb0
[   51.169902][ T7351]  sock_read_iter+0x15f/0x1e0
[   51.174568][ T7351]  new_sync_read+0x389/0x4f0
[   51.179145][ T7351]  __vfs_read+0xb1/0xc0
[   51.183282][ T7351]  vfs_read+0x143/0x2c0
[   51.187433][ T7351]  ksys_read+0xd5/0x1b0
[   51.191669][ T7351]  __x64_sys_read+0x4c/0x60
[   51.196154][ T7351]  do_syscall_64+0xcf/0x2f0
[   51.200989][ T7351]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   51.206859][ T7351] RIP: 0033:0x47c530
[   51.210739][ T7351] 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
[   51.231017][ T7351] RSP: 002b:000000c420311810 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
[   51.239506][ T7351] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   51.247499][ T7351] RDX: 0000000000001000 RSI: 000000c420330000 RDI: 0000000000000003
[   51.255462][ T7351] RBP: 000000c420311868 R08: 0000000000000000 R09: 0000000000000000
[   51.263425][ T7351] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000200
[   51.271381][ T7351] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff
[   51.280929][ T7351] Kernel Offset: disabled
[   51.285263][ T7351] Rebooting in 86400 seconds..