Warning: Permanently added '10.128.1.59' (ECDSA) to the list of known hosts. 2019/10/15 21:42:04 fuzzer started 2019/10/15 21:42:05 dialing manager at 10.128.0.105:38903 2019/10/15 21:42:05 syscalls: 2523 2019/10/15 21:42:05 code coverage: enabled 2019/10/15 21:42:05 comparison tracing: enabled 2019/10/15 21:42:05 extra coverage: extra coverage is not supported by the kernel 2019/10/15 21:42:05 setuid sandbox: enabled 2019/10/15 21:42:05 namespace sandbox: enabled 2019/10/15 21:42:05 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/15 21:42:05 fault injection: enabled 2019/10/15 21:42:05 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/15 21:42:05 net packet injection: enabled 2019/10/15 21:42:05 net device setup: enabled 2019/10/15 21:42:05 concurrency sanitizer: enabled syzkaller login: [ 43.352211][ C0] ================================================================== [ 43.360456][ C0] BUG: KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64 [ 43.369557][ C0] [ 43.372336][ C0] write to 0xffffffff8603f008 of 8 bytes by interrupt on cpu 1: [ 43.380307][ C0] tick_do_update_jiffies64+0x105/0x260 [ 43.385850][ C0] tick_sched_do_timer+0xd4/0xe0 [ 43.390775][ C0] tick_sched_timer+0x43/0xe0 [ 43.395438][ C0] __hrtimer_run_queues+0x288/0x600 [ 43.400617][ C0] hrtimer_interrupt+0x22a/0x480 [ 43.405532][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 43.411277][ C0] apic_timer_interrupt+0xf/0x20 [ 43.416190][ C0] write_comp_data+0x9/0x70 [ 43.420682][ C0] __read_once_size+0x25/0x110 [ 43.425440][ C0] __nf_conntrack_find_get+0x50c/0x870 [ 43.431049][ C0] nf_conntrack_in+0x2ef/0xaa0 [ 43.435797][ C0] ipv4_conntrack_in+0x27/0x40 [ 43.440549][ C0] nf_hook_slow+0x83/0x160 [ 43.445032][ C0] ip_rcv+0x12f/0x1a0 [ 43.449009][ C0] [ 43.451316][ C0] read to 0xffffffff8603f008 of 8 bytes by interrupt on cpu 0: [ 43.458841][ C0] tick_do_update_jiffies64+0x2b/0x260 [ 43.464276][ C0] tick_sched_do_timer+0xd4/0xe0 [ 43.469210][ C0] tick_sched_timer+0x43/0xe0 [ 43.473875][ C0] __hrtimer_run_queues+0x288/0x600 [ 43.479079][ C0] hrtimer_interrupt+0x22a/0x480 [ 43.484012][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 43.489459][ C0] apic_timer_interrupt+0xf/0x20 [ 43.494389][ C0] __sanitizer_cov_trace_pc+0x0/0x50 [ 43.499663][ C0] __ip_queue_xmit+0x3a8/0xa40 [ 43.504413][ C0] ip_queue_xmit+0x45/0x60 [ 43.508807][ C0] __tcp_transmit_skb+0xdeb/0x1cd0 [ 43.513895][ C0] __tcp_send_ack+0x246/0x300 [ 43.518550][ C0] tcp_send_ack+0x34/0x40 [ 43.524410][ C0] [ 43.526714][ C0] Reported by Kernel Concurrency Sanitizer on: [ 43.532871][ C0] CPU: 0 PID: 7299 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 43.539958][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.550004][ C0] ================================================================== [ 43.558045][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 43.564614][ C0] CPU: 0 PID: 7299 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 43.571713][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.581763][ C0] Call Trace: [ 43.585048][ C0] [ 43.587899][ C0] dump_stack+0xf5/0x159 [ 43.592138][ C0] panic+0x209/0x639 [ 43.596046][ C0] ? __ip_queue_xmit+0x3a8/0xa40 [ 43.600967][ C0] ? vprintk_func+0x8d/0x140 [ 43.605538][ C0] kcsan_report.cold+0xc/0x1b [ 43.610205][ C0] __kcsan_setup_watchpoint+0x3ee/0x510 [ 43.616004][ C0] ? __kcsan_setup_watchpoint+0x96/0x510 [ 43.621616][ C0] __tsan_read8+0x2c/0x30 [ 43.625927][ C0] tick_do_update_jiffies64+0x2b/0x260 [ 43.631364][ C0] tick_sched_do_timer+0xd4/0xe0 [ 43.636287][ C0] tick_sched_timer+0x43/0xe0 [ 43.640946][ C0] __hrtimer_run_queues+0x288/0x600 [ 43.646123][ C0] ? tick_sched_do_timer+0xe0/0xe0 [ 43.651224][ C0] hrtimer_interrupt+0x22a/0x480 [ 43.656161][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 43.661688][ C0] apic_timer_interrupt+0xf/0x20 [ 43.666601][ C0] [ 43.669521][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 43.675577][ C0] Code: f2 ff 48 c7 c7 88 07 04 86 e8 fc de 0c 00 48 c7 05 79 11 be 04 00 00 00 00 e9 6a f1 ff ff 90 90 90 90 90 90 90 90 90 90 90 90 <55> 48 89 e5 65 48 8b 04 25 40 6c 01 00 65 8b 15 d4 75 bb 7e 81 e2 [ 43.695172][ C0] RSP: 0018:ffffc900016cb898 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 43.703566][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 43.711518][ C0] RDX: 0000000000000000 RSI: ffffffff83eba707 RDI: 00000000ffffffff [ 43.719467][ C0] RBP: ffffc900016cb8c0 R08: ffff8881235e2080 R09: 0000c900016cb67f [ 43.727415][ C0] R10: 00000000aaaaaaab R11: ffffffff86042c70 R12: 0000000000000000 [ 43.736058][ C0] R13: ffff88812474c200 R14: ffffffff85bf8040 R15: ffff888126bf2080 [ 43.744024][ C0] ? ip_output+0xe7/0x210 [ 43.748331][ C0] ? ip_local_out+0x7c/0x90 [ 43.752947][ C0] __ip_queue_xmit+0x3a8/0xa40 [ 43.757873][ C0] ip_queue_xmit+0x45/0x60 [ 43.762282][ C0] __tcp_transmit_skb+0xdeb/0x1cd0 [ 43.767815][ C0] __tcp_send_ack+0x246/0x300 [ 43.772472][ C0] tcp_send_ack+0x34/0x40 [ 43.776796][ C0] tcp_cleanup_rbuf+0x130/0x360 [ 43.784064][ C0] tcp_recvmsg+0x633/0x1a30 [ 43.788559][ C0] ? delay_tsc+0x8f/0xc0 [ 43.792782][ C0] inet_recvmsg+0xbb/0x250 [ 43.797208][ C0] ? __tsan_read8+0x2c/0x30 [ 43.801701][ C0] ? inet_sendpage+0x100/0x100 [ 43.806527][ C0] sock_recvmsg+0x92/0xb0 [ 43.811099][ C0] sock_read_iter+0x15f/0x1e0 [ 43.815759][ C0] new_sync_read+0x389/0x4f0 [ 43.820331][ C0] __vfs_read+0xb1/0xc0 [ 43.824467][ C0] vfs_read+0x143/0x2c0 [ 43.828603][ C0] ksys_read+0xd5/0x1b0 [ 43.832746][ C0] __x64_sys_read+0x4c/0x60 [ 43.837243][ C0] do_syscall_64+0xcf/0x2f0 [ 43.841734][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.847605][ C0] RIP: 0033:0x47c530 [ 43.851522][ C0] 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 [ 43.871149][ C0] RSP: 002b:000000c4203b37d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 43.879533][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530 [ 43.887482][ C0] RDX: 0000000000001000 RSI: 000000c420056000 RDI: 0000000000000003 [ 43.895443][ C0] RBP: 000000c4203b3830 R08: 0000000000000000 R09: 0000000000000000 [ 43.903389][ C0] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000010 [ 43.911421][ C0] R13: ffffffffffffffff R14: 0000000000000004 R15: ffffffffffffffff [ 43.920986][ C0] Kernel Offset: disabled [ 43.925316][ C0] Rebooting in 86400 seconds..