Warning: Permanently added '10.128.0.12' (ECDSA) to the list of known hosts.
2019/10/09 05:32:38 fuzzer started
2019/10/09 05:32:39 dialing manager at 10.128.0.105:35069
2019/10/09 05:32:39 syscalls: 2523
2019/10/09 05:32:39 code coverage: enabled
2019/10/09 05:32:39 comparison tracing: enabled
2019/10/09 05:32:39 extra coverage: extra coverage is not supported by the kernel
2019/10/09 05:32:39 setuid sandbox: enabled
2019/10/09 05:32:39 namespace sandbox: enabled
2019/10/09 05:32:39 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/09 05:32:39 fault injection: enabled
2019/10/09 05:32:39 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/09 05:32:39 net packet injection: enabled
2019/10/09 05:32:39 net device setup: enabled
2019/10/09 05:32:39 concurrency sanitizer: enabled
yzkaller login: [   49.664527][ T7307] ==================================================================
[   49.672843][ T7307] BUG: KCSAN: data-race in ktime_get_seconds / timekeeping_advance
[   49.680717][ T7307] 
[   49.683045][ T7307] write to 0xffffffff8603db08 of 280 bytes by interrupt on cpu 1:
[   49.690953][ T7307]  timekeeping_advance+0x893/0xd80
[   49.696582][ T7307]  update_wall_time+0x19/0x20
[   49.701248][ T7307]  tick_do_update_jiffies64+0x1ae/0x260
[   49.706771][ T7307]  tick_sched_do_timer+0xd4/0xe0
[   49.711747][ T7307]  tick_sched_timer+0x43/0xe0
[   49.716401][ T7307]  __hrtimer_run_queues+0x288/0x600
[   49.721578][ T7307]  hrtimer_interrupt+0x22a/0x480
[   49.726538][ T7307]  smp_apic_timer_interrupt+0xdc/0x280
[   49.731988][ T7307]  apic_timer_interrupt+0xf/0x20
[   49.736900][ T7307]  __tsan_read2+0x1/0x30
[   49.741118][ T7307]  dev_gro_receive+0xa05/0x1190
[   49.745965][ T7307]  napi_gro_receive+0x7c/0x330
[   49.750720][ T7307]  receive_buf+0x284/0x30b0
[   49.755200][ T7307]  virtnet_poll+0x436/0x7d0
[   49.759670][ T7307] 
[   49.762001][ T7307] read to 0xffffffff8603db80 of 8 bytes by task 7307 on cpu 0:
[   49.769521][ T7307]  ktime_get_seconds+0x49/0x60
[   49.774297][ T7307]  tcp_rcv_established+0xeeb/0xf50
[   49.779390][ T7307]  tcp_v4_do_rcv+0x381/0x4e0
[   49.783957][ T7307]  __release_sock+0x135/0x1e0
[   49.788611][ T7307]  release_sock+0x61/0x160
[   49.793002][ T7307]  tcp_recvmsg+0x63b/0x1a30
[   49.797486][ T7307]  inet_recvmsg+0xbb/0x250
[   49.801875][ T7307]  sock_recvmsg+0x92/0xb0
[   49.806180][ T7307]  sock_read_iter+0x15f/0x1e0
[   49.810837][ T7307]  new_sync_read+0x389/0x4f0
[   49.815406][ T7307]  __vfs_read+0xb1/0xc0
[   49.819542][ T7307]  vfs_read+0x143/0x2c0
[   49.823672][ T7307]  ksys_read+0xd5/0x1b0
[   49.827796][ T7307] 
[   49.830107][ T7307] Reported by Kernel Concurrency Sanitizer on:
[   49.836241][ T7307] CPU: 0 PID: 7307 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   49.843327][ T7307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   49.853372][ T7307] ==================================================================
[   49.861407][ T7307] Kernel panic - not syncing: panic_on_warn set ...
[   49.867974][ T7307] CPU: 0 PID: 7307 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   49.875053][ T7307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   49.885080][ T7307] Call Trace:
[   49.888346][ T7307]  dump_stack+0xf5/0x159
[   49.892564][ T7307]  panic+0x209/0x639
[   49.896433][ T7307]  ? sock_read_iter+0x15f/0x1e0
[   49.901269][ T7307]  ? vprintk_func+0x8d/0x140
[   49.905840][ T7307]  kcsan_report.cold+0xc/0x1b
[   49.910494][ T7307]  __kcsan_setup_watchpoint+0x3ee/0x510
[   49.916027][ T7307]  __tsan_read8+0x2c/0x30
[   49.920331][ T7307]  ktime_get_seconds+0x49/0x60
[   49.925073][ T7307]  tcp_rcv_established+0xeeb/0xf50
[   49.930164][ T7307]  ? ipv4_dst_check+0xc6/0xf0
[   49.934820][ T7307]  tcp_v4_do_rcv+0x381/0x4e0
[   49.939389][ T7307]  __release_sock+0x135/0x1e0
[   49.944046][ T7307]  release_sock+0x61/0x160
[   49.948452][ T7307]  tcp_recvmsg+0x63b/0x1a30
[   49.952943][ T7307]  inet_recvmsg+0xbb/0x250
[   49.957337][ T7307]  ? __tsan_read8+0x2c/0x30
[   49.961825][ T7307]  ? inet_sendpage+0x100/0x100
[   49.966658][ T7307]  sock_recvmsg+0x92/0xb0
[   49.970976][ T7307]  sock_read_iter+0x15f/0x1e0
[   49.975637][ T7307]  new_sync_read+0x389/0x4f0
[   49.980207][ T7307]  __vfs_read+0xb1/0xc0
[   49.984339][ T7307]  vfs_read+0x143/0x2c0
[   49.988476][ T7307]  ksys_read+0xd5/0x1b0
[   49.992608][ T7307]  __x64_sys_read+0x4c/0x60
[   49.997092][ T7307]  do_syscall_64+0xcf/0x2f0
[   50.001578][ T7307]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   50.007444][ T7307] RIP: 0033:0x47c530
[   50.011317][ T7307] 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
[   50.030894][ T7307] RSP: 002b:000000c4202d7810 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
[   50.039280][ T7307] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   50.047243][ T7307] RDX: 0000000000001000 RSI: 000000c420398000 RDI: 0000000000000003
[   50.055195][ T7307] RBP: 000000c4202d7868 R08: 0000000000000000 R09: 0000000000000000
[   50.063154][ T7307] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000100
[   50.071119][ T7307] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff
[   50.080432][ T7307] Kernel Offset: disabled
[   50.084748][ T7307] Rebooting in 86400 seconds..