Warning: Permanently added '10.128.0.72' (ECDSA) to the list of known hosts.
2019/11/22 14:09:34 fuzzer started
2019/11/22 14:09:35 dialing manager at 10.128.0.105:37257
2019/11/22 14:09:50 syscalls: 2566
2019/11/22 14:09:50 code coverage: enabled
2019/11/22 14:09:50 comparison tracing: enabled
2019/11/22 14:09:50 extra coverage: extra coverage is not supported by the kernel
2019/11/22 14:09:50 setuid sandbox: enabled
2019/11/22 14:09:50 namespace sandbox: enabled
2019/11/22 14:09:50 Android sandbox: /sys/fs/selinux/policy does not exist
2019/11/22 14:09:50 fault injection: enabled
2019/11/22 14:09:50 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/11/22 14:09:50 net packet injection: enabled
2019/11/22 14:09:50 net device setup: enabled
2019/11/22 14:09:50 concurrency sanitizer: enabled
2019/11/22 14:09:50 devlink PCI setup: PCI device 0000:00:10.0 is not available
syzkaller login: [ 78.776164][ T7666] KCSAN: could not find function: 'poll_schedule_timeout'
2019/11/22 14:09:58 adding functions to KCSAN blacklist: 'futex_wait_queue_me' '__add_to_page_cache_locked' 'p9_poll_workfn' 'find_next_bit' 'ep_poll' 'generic_write_end' 'ext4_mark_iloc_dirty' 'ext4_free_inodes_count' 'ns_capable_common' 'shmem_file_read_iter' 'run_timer_softirq' 'tcp_add_backlog' 'xas_clear_mark' 'ext4_free_inode' 'atime_needs_update' 'dd_has_work' 'vm_area_dup' 'tomoyo_supervisor' 'copy_process' 'ktime_get_real_seconds' 'find_get_pages_range_tag' 'ext4_has_free_clusters' 'do_nanosleep' 'add_timer' 'tick_nohz_idle_stop_tick' 'kauditd_thread' 'pcpu_alloc' 'sbitmap_queue_clear' 'rcu_gp_fqs_loop' 'blk_mq_sched_dispatch_requests' 'wbt_wait' 'wbt_done' 'taskstats_exit' 'tick_sched_do_timer' 'rcu_gp_fqs_check_wake' '__mark_inode_dirty' '__hrtimer_run_queues' '__splice_from_pipe' 'pipe_poll' 'tick_nohz_next_event' 'page_counter_try_charge' 'blk_mq_run_hw_queue' 'ext4_nonda_switch' 'audit_log_start' 'lruvec_lru_size' 'ext4_mb_find_by_goal' 'blk_mq_get_request' 'flush_workqueue' 'blk_mq_dispatch_rq_list' '__snd_rawmidi_transmit_ack' 'poll_schedule_timeout' 'timer_clear_idle' 'pid_update_inode' 'list_lru_count_one' 'sit_tunnel_xmit' '__ext4_new_inode' 'tick_do_update_jiffies64' 'xas_find_marked'
[ 225.120476][ C0] ==================================================================
[ 225.128706][ C0] BUG: KCSAN: data-race in virtqueue_disable_cb / virtqueue_get_buf_ctx
[ 225.137133][ C0]
[ 225.139463][ C0] read to 0xffff88821ab282b0 of 2 bytes by interrupt on cpu 1:
[ 225.147265][ C0] virtqueue_get_buf_ctx+0x4da/0x5c0
[ 225.152550][ C0] virtqueue_get_buf+0x29/0x40
[ 225.157378][ C0] free_old_xmit_skbs+0x9e/0x170
[ 225.162442][ C0] start_xmit+0xd3/0xbe0
[ 225.166709][ C0] dev_hard_start_xmit+0xef/0x430
[ 225.171776][ C0] sch_direct_xmit+0x2b3/0x900
[ 225.176526][ C0] __dev_queue_xmit+0x19a3/0x1b40
[ 225.181543][ C0] dev_queue_xmit+0x21/0x30
[ 225.186063][ C0] ip_finish_output2+0x836/0xe40
[ 225.190991][ C0] __ip_finish_output+0x23a/0x490
[ 225.196004][ C0] ip_finish_output+0x41/0x160
[ 225.200762][ C0] ip_output+0xdf/0x210
[ 225.204916][ C0] ip_local_out+0x74/0x90
[ 225.209250][ C0] __ip_queue_xmit+0x3a8/0xa40
[ 225.214006][ C0] ip_queue_xmit+0x45/0x60
[ 225.218430][ C0] __tcp_transmit_skb+0xe81/0x1d60
[ 225.223530][ C0] __tcp_send_ack+0x246/0x300
[ 225.228211][ C0] tcp_send_ack+0x34/0x40
[ 225.232543][ C0] __tcp_ack_snd_check+0xd9/0x4f0
[ 225.237657][ C0] tcp_rcv_established+0xce9/0xf50
[ 225.242761][ C0] tcp_v4_do_rcv+0x3b5/0x520
[ 225.247356][ C0] tcp_v4_rcv+0x19ec/0x1bd0
[ 225.251976][ C0] ip_protocol_deliver_rcu+0x4d/0x420
[ 225.257489][ C0] ip_local_deliver_finish+0x110/0x140
[ 225.262934][ C0] ip_local_deliver+0x133/0x210
[ 225.267950][ C0] ip_rcv_finish+0x121/0x160
[ 225.272540][ C0] ip_rcv+0x18f/0x1a0
[ 225.276741][ C0] __netif_receive_skb_one_core+0xa7/0xe0
[ 225.282463][ C0] __netif_receive_skb+0x37/0xf0
[ 225.287388][ C0] netif_receive_skb_internal+0x59/0x190
[ 225.293017][ C0] napi_gro_receive+0x28f/0x330
[ 225.297881][ C0] receive_buf+0x284/0x30b0
[ 225.302369][ C0] virtnet_poll+0x436/0x7d0
[ 225.306860][ C0] net_rx_action+0x3ae/0xa90
[ 225.311450][ C0] __do_softirq+0x115/0x33f
[ 225.315960][ C0] irq_exit+0xbb/0xe0
[ 225.319944][ C0] do_IRQ+0x81/0x130
[ 225.323840][ C0] ret_from_intr+0x0/0x19
[ 225.328168][ C0] native_safe_halt+0xe/0x10
[ 225.332741][ C0] arch_cpu_idle+0xa/0x10
[ 225.337051][ C0] default_idle_call+0x1e/0x40
[ 225.341810][ C0] do_idle+0x1af/0x280
[ 225.345987][ C0] cpu_startup_entry+0x1b/0x20
[ 225.350764][ C0] start_secondary+0x168/0x1b0
[ 225.355541][ C0] secondary_startup_64+0xa4/0xb0
[ 225.360559][ C0]
[ 225.362911][ C0] write to 0xffff88821ab282b0 of 2 bytes by interrupt on cpu 0:
[ 225.370555][ C0] virtqueue_disable_cb+0xe9/0x130
[ 225.375670][ C0] skb_xmit_done+0x6a/0x110
[ 225.380191][ C0] vring_interrupt+0x1a1/0x1c0
[ 225.384965][ C0] __handle_irq_event_percpu+0x9a/0x430
[ 225.390511][ C0] handle_irq_event_percpu+0x4b/0xe0
[ 225.395797][ C0] handle_irq_event+0x85/0xca
[ 225.400505][ C0] handle_edge_irq+0x1a4/0x4a0
[ 225.405272][ C0] do_IRQ+0x7c/0x130
[ 225.409174][ C0] ret_from_intr+0x0/0x19
[ 225.413498][ C0] native_safe_halt+0xe/0x10
[ 225.418174][ C0] arch_cpu_idle+0xa/0x10
[ 225.422493][ C0] default_idle_call+0x1e/0x40
[ 225.427255][ C0] do_idle+0x1af/0x280
[ 225.431330][ C0] cpu_startup_entry+0x1b/0x20
[ 225.436090][ C0] rest_init+0xec/0xf6
[ 225.440165][ C0] arch_call_rest_init+0x17/0x37
[ 225.445100][ C0] start_kernel+0x838/0x85e
[ 225.449598][ C0] x86_64_start_reservations+0x29/0x2b
[ 225.455041][ C0] x86_64_start_kernel+0x72/0x76
[ 225.459971][ C0] secondary_startup_64+0xa4/0xb0
[ 225.464998][ C0]
[ 225.467312][ C0] Reported by Kernel Concurrency Sanitizer on:
[ 225.473471][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-rc7+ #0
[ 225.480559][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 225.490603][ C0] ==================================================================
[ 225.498673][ C0] Kernel panic - not syncing: panic_on_warn set ...
[ 225.505264][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-rc7+ #0
[ 225.512358][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 225.522404][ C0] Call Trace:
[ 225.525677][ C0]
[ 225.528549][ C0] dump_stack+0x11d/0x181
[ 225.532915][ C0] panic+0x210/0x640
[ 225.536823][ C0] ? vprintk_func+0x8d/0x140
[ 225.541416][ C0] kcsan_report.cold+0xc/0xd
[ 225.546007][ C0] kcsan_setup_watchpoint+0x3fe/0x460
[ 225.551394][ C0] __tsan_unaligned_write2+0xc4/0x100
[ 225.556766][ C0] virtqueue_disable_cb+0xe9/0x130
[ 225.561878][ C0] skb_xmit_done+0x6a/0x110
[ 225.566390][ C0] ? virtnet_poll_tx+0x1d0/0x1d0
[ 225.571328][ C0] vring_interrupt+0x1a1/0x1c0
[ 225.576075][ C0] ? virtqueue_enable_cb+0x40/0x40
[ 225.581272][ C0] __handle_irq_event_percpu+0x9a/0x430
[ 225.586932][ C0] handle_irq_event_percpu+0x4b/0xe0
[ 225.592221][ C0] handle_irq_event+0x85/0xca
[ 225.596913][ C0] handle_edge_irq+0x1a4/0x4a0
[ 225.601813][ C0] do_IRQ+0x7c/0x130
[ 225.605704][ C0] common_interrupt+0xf/0xf
[ 225.610405][ C0]
[ 225.613362][ C0] RIP: 0010:native_safe_halt+0xe/0x10
[ 225.618748][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d fc c9 48 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d ec c9 48 00 fb f4 90 55 48 89 e5 41 55 41 54 53 e8 82 89 9f fc e8 8d 30 b5 fd 0f
[ 225.638361][ C0] RSP: 0018:ffffffff85a03df8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffffd6
[ 225.646775][ C0] RAX: 0000000000000000 RBX: ffffffff85a2b780 RCX: ffffffff824edc99
[ 225.654878][ C0] RDX: 0000000000000000 RSI: ffffffff824edca7 RDI: 0000000000000005
[ 225.662969][ C0] RBP: ffffffff85a03e18 R08: ffffffff85a2b780 R09: 0000ffff857d1160
[ 225.670932][ C0] R10: 0000ffff85a03cf0 R11: 0000ffff857d1167 R12: 0000000000000000
[ 225.678903][ C0] R13: ffffffff85a2b780 R14: 0000000000000000 R15: 0000000000000000
[ 225.686900][ C0] ? debug_smp_processor_id+0x39/0x172
[ 225.692346][ C0] ? debug_smp_processor_id+0x47/0x172
[ 225.697807][ C0] ? default_idle+0x26/0x180
[ 225.702414][ C0] arch_cpu_idle+0xa/0x10
[ 225.706751][ C0] default_idle_call+0x1e/0x40
[ 225.711511][ C0] do_idle+0x1af/0x280
[ 225.715573][ C0] cpu_startup_entry+0x1b/0x20
[ 225.720326][ C0] rest_init+0xec/0xf6
[ 225.724479][ C0] ? trace_event_define_fields_vector_free_moved+0xb4/0xb4
[ 225.731668][ C0] arch_call_rest_init+0x17/0x37
[ 225.736600][ C0] start_kernel+0x838/0x85e
[ 225.741109][ C0] x86_64_start_reservations+0x29/0x2b
[ 225.746573][ C0] x86_64_start_kernel+0x72/0x76
[ 225.751529][ C0] secondary_startup_64+0xa4/0xb0
[ 225.758419][ C0] Kernel Offset: disabled
[ 225.762982][ C0] Rebooting in 86400 seconds..