Warning: Permanently added '10.128.1.39' (ECDSA) to the list of known hosts. 2019/10/13 16:07:25 fuzzer started 2019/10/13 16:07:27 dialing manager at 10.128.0.105:40973 2019/10/13 16:07:27 syscalls: 2523 2019/10/13 16:07:27 code coverage: enabled 2019/10/13 16:07:27 comparison tracing: enabled 2019/10/13 16:07:27 extra coverage: extra coverage is not supported by the kernel 2019/10/13 16:07:27 setuid sandbox: enabled 2019/10/13 16:07:27 namespace sandbox: enabled 2019/10/13 16:07:27 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/13 16:07:27 fault injection: enabled 2019/10/13 16:07:27 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/13 16:07:27 net packet injection: enabled 2019/10/13 16:07:27 net device setup: enabled 2019/10/13 16:07:27 concurrency sanitizer: enabled syzkaller login: [ 47.858065][ C1] ================================================================== [ 47.866714][ C1] BUG: KCSAN: data-race in tick_sched_do_timer / tick_sched_do_timer [ 47.874757][ C1] [ 47.877095][ C1] read to 0xffffffff85caf310 of 4 bytes by interrupt on cpu 0: [ 47.884638][ C1] tick_sched_do_timer+0x33/0xe0 [ 47.892086][ C1] tick_sched_timer+0x43/0xe0 [ 47.896741][ C1] __hrtimer_run_queues+0x288/0x600 [ 47.901914][ C1] hrtimer_interrupt+0x22a/0x480 [ 47.906840][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 47.912287][ C1] apic_timer_interrupt+0xf/0x20 [ 47.917205][ C1] [ 47.919510][ C1] write to 0xffffffff85caf310 of 4 bytes by interrupt on cpu 1: [ 47.927129][ C1] tick_sched_do_timer+0xc0/0xe0 [ 47.932041][ C1] tick_sched_timer+0x43/0xe0 [ 47.936705][ C1] __hrtimer_run_queues+0x288/0x600 [ 47.941879][ C1] hrtimer_interrupt+0x22a/0x480 [ 47.946792][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 47.952239][ C1] apic_timer_interrupt+0xf/0x20 [ 47.957152][ C1] __kcsan_check_watchpoint+0x27/0x180 [ 47.962582][ C1] __tsan_read4+0x15/0x30 [ 47.966888][ C1] tcp_v4_rcv+0x1ef/0x1bf0 [ 47.971283][ C1] ip_protocol_deliver_rcu+0x51/0x470 [ 47.976648][ C1] ip_local_deliver_finish+0x110/0x140 [ 47.982095][ C1] ip_local_deliver+0x133/0x210 [ 47.986921][ C1] ip_rcv_finish+0x121/0x160 [ 47.991483][ C1] [ 47.993797][ C1] Reported by Kernel Concurrency Sanitizer on: [ 47.999926][ C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.3.0+ #0 [ 48.006937][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.016989][ C1] ================================================================== [ 48.025035][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 48.031613][ C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.3.0+ #0 [ 48.038617][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.048666][ C1] Call Trace: [ 48.051924][ C1] [ 48.054804][ C1] dump_stack+0xf5/0x159 [ 48.059043][ C1] panic+0x209/0x639 [ 48.062924][ C1] ? tcp_v4_rcv+0x1ef/0x1bf0 [ 48.067497][ C1] ? vprintk_func+0x8d/0x140 [ 48.072085][ C1] kcsan_report.cold+0xc/0x1b [ 48.076873][ C1] __kcsan_setup_watchpoint+0x3ee/0x510 [ 48.082423][ C1] __tsan_write4+0x32/0x40 [ 48.086935][ C1] tick_sched_do_timer+0xc0/0xe0 [ 48.092037][ C1] tick_sched_timer+0x43/0xe0 [ 48.096739][ C1] __hrtimer_run_queues+0x288/0x600 [ 48.101930][ C1] ? tick_sched_do_timer+0xe0/0xe0 [ 48.107037][ C1] hrtimer_interrupt+0x22a/0x480 [ 48.111972][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 48.117411][ C1] apic_timer_interrupt+0xf/0x20 [ 48.122319][ C1] [ 48.125240][ C1] RIP: 0010:__kcsan_check_watchpoint+0x27/0x180 [ 48.131468][ C1] Code: 00 00 00 0f b6 0d d9 57 b1 04 31 c0 84 c9 0f 84 53 01 00 00 55 41 89 d0 65 8b 0d cc 97 ae 7e 81 e1 00 01 1f 00 48 89 e5 41 57 <41> 56 49 89 f6 41 55 49 89 fd 41 54 53 0f 85 c8 00 00 00 65 48 8b [ 48.151064][ C1] RSP: 0018:ffffc90000cf37d8 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 [ 48.159456][ C1] RAX: 0000000000000000 RBX: 0000000000000020 RCX: 0000000000000100 [ 48.167405][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8881256a8974 [ 48.175368][ C1] RBP: ffffc90000cf37e0 R08: 0000000000000000 R09: 00008881256a8973 [ 48.183330][ C1] R10: 00000000aaaaaaab R11: ffffffff86042d58 R12: ffff8881256a8974 [ 48.191279][ C1] R13: 0000000000000110 R14: ffff8881256a8980 R15: ffff8881256a8900 [ 48.199259][ C1] __tsan_read4+0x15/0x30 [ 48.203579][ C1] tcp_v4_rcv+0x1ef/0x1bf0 [ 48.207984][ C1] ? __tsan_read8+0x2c/0x30 [ 48.212685][ C1] ? raw_local_deliver+0x49c/0x5b3 [ 48.217778][ C1] ip_protocol_deliver_rcu+0x51/0x470 [ 48.223130][ C1] ip_local_deliver_finish+0x110/0x140 [ 48.228576][ C1] ip_local_deliver+0x133/0x210 [ 48.233417][ C1] ? ip_protocol_deliver_rcu+0x470/0x470 [ 48.239028][ C1] ip_rcv_finish+0x121/0x160 [ 48.243593][ C1] ip_rcv+0x18f/0x1a0 [ 48.247566][ C1] ? ip_sublist_rcv+0x5e0/0x5e0 [ 48.252405][ C1] ? ip_local_deliver+0x210/0x210 [ 48.257416][ C1] __netif_receive_skb_one_core+0xa7/0xe0 [ 48.263242][ C1] __netif_receive_skb+0x37/0xf0 [ 48.268244][ C1] netif_receive_skb_internal+0x59/0x190 [ 48.273867][ C1] napi_gro_receive+0x28f/0x330 [ 48.278699][ C1] receive_buf+0x284/0x30b0 [ 48.283196][ C1] ? __tsan_write8+0x32/0x40 [ 48.287782][ C1] ? virtqueue_get_buf_ctx+0x4fd/0x5c0 [ 48.293578][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 48.299185][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 48.304812][ C1] virtnet_poll+0x436/0x7d0 [ 48.309299][ C1] net_rx_action+0x3ae/0xa50 [ 48.313892][ C1] __do_softirq+0x115/0x33f [ 48.318383][ C1] ? takeover_tasklets+0x250/0x250 [ 48.323494][ C1] run_ksoftirqd+0x46/0x60 [ 48.327905][ C1] smpboot_thread_fn+0x37d/0x4a0 [ 48.332840][ C1] kthread+0x1d4/0x200 [ 48.336904][ C1] ? constant_test_bit.constprop.0+0x30/0x30 [ 48.342861][ C1] ? kthread_bind+0x50/0x50 [ 48.347342][ C1] ret_from_fork+0x1f/0x30 [ 48.353221][ C1] Kernel Offset: disabled [ 48.357586][ C1] Rebooting in 86400 seconds..