Warning: Permanently added '10.128.0.109' (ECDSA) to the list of known hosts. 2019/11/06 02:29:49 fuzzer started 2019/11/06 02:29:51 dialing manager at 10.128.0.105:39303 2019/11/06 02:29:51 syscalls: 2553 2019/11/06 02:29:51 code coverage: enabled 2019/11/06 02:29:51 comparison tracing: enabled 2019/11/06 02:29:51 extra coverage: extra coverage is not supported by the kernel 2019/11/06 02:29:51 setuid sandbox: enabled 2019/11/06 02:29:51 namespace sandbox: enabled 2019/11/06 02:29:51 Android sandbox: /sys/fs/selinux/policy does not exist 2019/11/06 02:29:51 fault injection: enabled 2019/11/06 02:29:51 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/11/06 02:29:51 net packet injection: enabled 2019/11/06 02:29:51 net device setup: enabled 2019/11/06 02:29:51 concurrency sanitizer: enabled 2019/11/06 02:29:51 devlink PCI setup: PCI device 0000:00:10.0 is not available 2019/11/06 02:29:52 adding functions to KCSAN blacklist: 'run_timer_softirq' 'wbt_done' 'task_dump_owner' 'find_next_bit' 'ext4_free_inode' 'do_nanosleep' 'generic_permission' '__hrtimer_run_queues' [ 66.304352][ C0] ================================================================== [ 66.312564][ C0] BUG: KCSAN: data-race in tcp_add_backlog / tcp_recvmsg [ 66.319554][ C0] [ 66.321879][ C0] read to 0xffff8881221c92f8 of 8 bytes by task 7782 on cpu 1: [ 66.329403][ C0] tcp_recvmsg+0x46e/0x1b40 [ 66.333891][ C0] inet_recvmsg+0xbb/0x250 [ 66.338290][ C0] sock_recvmsg+0x92/0xb0 [ 66.342603][ C0] sock_read_iter+0x15f/0x1e0 [ 66.347265][ C0] new_sync_read+0x389/0x4f0 [ 66.351841][ C0] __vfs_read+0xb1/0xc0 [ 66.355982][ C0] vfs_read+0x143/0x2c0 [ 66.360122][ C0] ksys_read+0xd5/0x1b0 [ 66.364264][ C0] __x64_sys_read+0x4c/0x60 [ 66.368766][ C0] do_syscall_64+0xcc/0x370 [ 66.373260][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.379125][ C0] [ 66.381442][ C0] write to 0xffff8881221c92f8 of 8 bytes by interrupt on cpu 0: [ 66.389058][ C0] tcp_add_backlog+0x476/0xce0 [ 66.393804][ C0] tcp_v4_rcv+0x1a70/0x1bd0 [ 66.398296][ C0] ip_protocol_deliver_rcu+0x4d/0x420 [ 66.403654][ C0] ip_local_deliver_finish+0x110/0x140 [ 66.409095][ C0] ip_local_deliver+0x133/0x210 [ 66.413932][ C0] ip_rcv_finish+0x121/0x160 [ 66.418504][ C0] ip_rcv+0x18f/0x1a0 [ 66.422481][ C0] __netif_receive_skb_one_core+0xa7/0xe0 [ 66.428187][ C0] __netif_receive_skb+0x37/0xf0 [ 66.433126][ C0] netif_receive_skb_internal+0x59/0x190 [ 66.438744][ C0] napi_gro_receive+0x28f/0x330 [ 66.443580][ C0] receive_buf+0x284/0x30b0 [ 66.448066][ C0] virtnet_poll+0x436/0x7d0 [ 66.452557][ C0] net_rx_action+0x3ae/0xa90 [ 66.457133][ C0] __do_softirq+0x115/0x33f [ 66.461624][ C0] run_ksoftirqd+0x46/0x60 [ 66.466025][ C0] smpboot_thread_fn+0x37d/0x4a0 [ 66.470969][ C0] kthread+0x1d4/0x200 [ 66.475033][ C0] ret_from_fork+0x1f/0x30 [ 66.479425][ C0] [ 66.481735][ C0] Reported by Kernel Concurrency Sanitizer on: [ 66.487883][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.4.0-rc6+ #0 [ 66.495165][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.505198][ C0] ================================================================== [ 66.513236][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 66.519803][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.4.0-rc6+ #0 [ 66.527082][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.537115][ C0] Call Trace: [ 66.540397][ C0] dump_stack+0xf5/0x159 [ 66.544625][ C0] panic+0x210/0x640 [ 66.548515][ C0] ? vprintk_func+0x8d/0x140 [ 66.553095][ C0] kcsan_report.cold+0xc/0xe [ 66.557674][ C0] kcsan_setup_watchpoint+0x3fe/0x410 [ 66.563034][ C0] __tsan_unaligned_write8+0x143/0x1f0 [ 66.568485][ C0] tcp_add_backlog+0x476/0xce0 [ 66.573251][ C0] tcp_v4_rcv+0x1a70/0x1bd0 [ 66.577746][ C0] ? __read_once_size+0x41/0xe0 [ 66.582606][ C0] ip_protocol_deliver_rcu+0x4d/0x420 [ 66.587969][ C0] ip_local_deliver_finish+0x110/0x140 [ 66.593416][ C0] ip_local_deliver+0x133/0x210 [ 66.598251][ C0] ? ip_protocol_deliver_rcu+0x420/0x420 [ 66.603870][ C0] ip_rcv_finish+0x121/0x160 [ 66.608469][ C0] ip_rcv+0x18f/0x1a0 [ 66.612460][ C0] ? ip_sublist_rcv+0x5e0/0x5e0 [ 66.617303][ C0] ? ip_local_deliver+0x210/0x210 [ 66.622315][ C0] __netif_receive_skb_one_core+0xa7/0xe0 [ 66.628021][ C0] __netif_receive_skb+0x37/0xf0 [ 66.632952][ C0] netif_receive_skb_internal+0x59/0x190 [ 66.638569][ C0] napi_gro_receive+0x28f/0x330 [ 66.643406][ C0] receive_buf+0x284/0x30b0 [ 66.647982][ C0] ? __tsan_read4+0x145/0x1f0 [ 66.652658][ C0] ? virtqueue_get_buf_ctx+0x4fd/0x5c0 [ 66.658110][ C0] ? virtqueue_get_buf+0x31/0x40 [ 66.663036][ C0] virtnet_poll+0x436/0x7d0 [ 66.667541][ C0] net_rx_action+0x3ae/0xa90 [ 66.672131][ C0] __do_softirq+0x115/0x33f [ 66.676645][ C0] ? takeover_tasklets+0x250/0x250 [ 66.681739][ C0] run_ksoftirqd+0x46/0x60 [ 66.686141][ C0] smpboot_thread_fn+0x37d/0x4a0 [ 66.691086][ C0] kthread+0x1d4/0x200 [ 66.695158][ C0] ? constant_test_bit.constprop.0+0x30/0x30 [ 66.701123][ C0] ? kthread_stop+0x2d0/0x2d0 [ 66.705791][ C0] ret_from_fork+0x1f/0x30 [ 66.711459][ C0] Kernel Offset: disabled [ 66.715787][ C0] Rebooting in 86400 seconds..