Warning: Permanently added '10.128.0.56' (ECDSA) to the list of known hosts.
2019/10/20 20:54:40 fuzzer started
2019/10/20 20:54:42 dialing manager at 10.128.0.105:43535
2019/10/20 20:54:42 syscalls: 2524
2019/10/20 20:54:42 code coverage: enabled
2019/10/20 20:54:42 comparison tracing: enabled
2019/10/20 20:54:42 extra coverage: extra coverage is not supported by the kernel
2019/10/20 20:54:42 setuid sandbox: enabled
2019/10/20 20:54:42 namespace sandbox: enabled
2019/10/20 20:54:42 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/20 20:54:42 fault injection: enabled
2019/10/20 20:54:42 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/20 20:54:42 net packet injection: enabled
2019/10/20 20:54:42 net device setup: enabled
2019/10/20 20:54:42 concurrency sanitizer: enabled
syzkaller login: [   52.391120][ T7248] ==================================================================
[   52.399254][ T7248] BUG: KCSAN: data-race in ktime_get_seconds / timekeeping_advance
[   52.407281][ T7248] 
[   52.409591][ T7248] write to 0xffffffff86040b08 of 280 bytes by interrupt on cpu 0:
[   52.417540][ T7248]  timekeeping_advance+0x893/0xd80
[   52.422632][ T7248]  update_wall_time+0x19/0x20
[   52.427294][ T7248]  tick_do_update_jiffies64+0x1ae/0x260
[   52.433258][ T7248]  tick_sched_do_timer+0xd4/0xe0
[   52.438274][ T7248]  tick_sched_timer+0x43/0xe0
[   52.442931][ T7248]  __hrtimer_run_queues+0x288/0x600
[   52.448107][ T7248]  hrtimer_interrupt+0x22a/0x480
[   52.453032][ T7248]  smp_apic_timer_interrupt+0xdc/0x280
[   52.458473][ T7248]  apic_timer_interrupt+0xf/0x20
[   52.463399][ T7248]  write_comp_data+0x9/0x70
[   52.467907][ T7248]  nf_nat_inet_fn+0x6f/0x500
[   52.472494][ T7248]  nf_nat_ipv4_fn+0x99/0x160
[   52.477079][ T7248]  nf_hook_slow+0x83/0x160
[   52.481480][ T7248]  ip_local_deliver+0x1e5/0x210
[   52.486298][ T7248] 
[   52.488611][ T7248] read to 0xffffffff86040b80 of 8 bytes by task 7248 on cpu 1:
[   52.496225][ T7248]  ktime_get_seconds+0x45/0x70
[   52.501118][ T7248]  tcp_rcv_established+0xeeb/0xf50
[   52.506295][ T7248]  tcp_v4_do_rcv+0x381/0x4e0
[   52.510862][ T7248]  __release_sock+0x135/0x1e0
[   52.515514][ T7248]  release_sock+0x61/0x160
[   52.519907][ T7248]  tcp_recvmsg+0x63b/0x1a30
[   52.524388][ T7248]  inet_recvmsg+0xbb/0x250
[   52.528779][ T7248]  sock_recvmsg+0x92/0xb0
[   52.533088][ T7248]  sock_read_iter+0x15f/0x1e0
[   52.537740][ T7248]  new_sync_read+0x389/0x4f0
[   52.542306][ T7248]  __vfs_read+0xb1/0xc0
[   52.546438][ T7248]  vfs_read+0x143/0x2c0
[   52.550567][ T7248]  ksys_read+0xd5/0x1b0
[   52.554691][ T7248] 
[   52.557027][ T7248] Reported by Kernel Concurrency Sanitizer on:
[   52.563165][ T7248] CPU: 1 PID: 7248 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   52.570593][ T7248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   52.580624][ T7248] ==================================================================
[   52.588661][ T7248] Kernel panic - not syncing: panic_on_warn set ...
[   52.595232][ T7248] CPU: 1 PID: 7248 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   52.602657][ T7248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   52.612684][ T7248] Call Trace:
[   52.615957][ T7248]  dump_stack+0xf5/0x159
[   52.620180][ T7248]  panic+0x210/0x640
[   52.624055][ T7248]  ? sock_read_iter+0x15f/0x1e0
[   52.628882][ T7248]  ? vprintk_func+0x8d/0x140
[   52.633450][ T7248]  kcsan_report.cold+0xc/0x10
[   52.638106][ T7248]  __kcsan_setup_watchpoint+0x32e/0x4a0
[   52.643631][ T7248]  __tsan_read8+0x2c/0x30
[   52.647951][ T7248]  ktime_get_seconds+0x45/0x70
[   52.652698][ T7248]  tcp_rcv_established+0xeeb/0xf50
[   52.657823][ T7248]  ? ipv4_dst_check+0xc6/0xf0
[   52.662507][ T7248]  tcp_v4_do_rcv+0x381/0x4e0
[   52.667078][ T7248]  __release_sock+0x135/0x1e0
[   52.671744][ T7248]  release_sock+0x61/0x160
[   52.676141][ T7248]  tcp_recvmsg+0x63b/0x1a30
[   52.680636][ T7248]  inet_recvmsg+0xbb/0x250
[   52.685030][ T7248]  ? __tsan_read8+0x2c/0x30
[   52.689605][ T7248]  ? inet_sendpage+0x100/0x100
[   52.694529][ T7248]  sock_recvmsg+0x92/0xb0
[   52.698838][ T7248]  sock_read_iter+0x15f/0x1e0
[   52.703505][ T7248]  new_sync_read+0x389/0x4f0
[   52.708078][ T7248]  __vfs_read+0xb1/0xc0
[   52.712215][ T7248]  vfs_read+0x143/0x2c0
[   52.716350][ T7248]  ksys_read+0xd5/0x1b0
[   52.720572][ T7248]  __x64_sys_read+0x4c/0x60
[   52.725060][ T7248]  do_syscall_64+0xcc/0x370
[   52.729552][ T7248]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   52.735421][ T7248] RIP: 0033:0x47c530
[   52.739301][ T7248] 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
[   52.759071][ T7248] RSP: 002b:000000c4202d17d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000
[   52.767459][ T7248] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   52.775412][ T7248] RDX: 0000000000001000 RSI: 000000c420198000 RDI: 0000000000000003
[   52.783360][ T7248] RBP: 000000c4202d1830 R08: 0000000000000000 R09: 0000000000000000
[   52.791309][ T7248] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000003
[   52.799256][ T7248] R13: 000000c420020a00 R14: 0000000000000002 R15: ffffffffffffffff
[   52.808969][ T7248] Kernel Offset: disabled
[   52.813377][ T7248] Rebooting in 86400 seconds..