Warning: Permanently added '10.128.1.37' (ECDSA) to the list of known hosts. 2019/10/14 18:32:33 fuzzer started 2019/10/14 18:32:34 dialing manager at 10.128.0.105:43961 2019/10/14 18:32:35 syscalls: 2523 2019/10/14 18:32:35 code coverage: enabled 2019/10/14 18:32:35 comparison tracing: enabled 2019/10/14 18:32:35 extra coverage: extra coverage is not supported by the kernel 2019/10/14 18:32:35 setuid sandbox: enabled 2019/10/14 18:32:35 namespace sandbox: enabled 2019/10/14 18:32:35 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/14 18:32:35 fault injection: enabled 2019/10/14 18:32:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/14 18:32:35 net packet injection: enabled 2019/10/14 18:32:35 net device setup: enabled 2019/10/14 18:32:35 concurrency sanitizer: enabled syzkaller login: [ 48.014769][ C1] ================================================================== [ 48.023122][ C1] BUG: KCSAN: data-race in tick_sched_do_timer / tick_sched_do_timer [ 48.031174][ C1] [ 48.033591][ C1] write to 0xffffffff85caf310 of 4 bytes by interrupt on cpu 0: [ 48.041225][ C1] tick_sched_do_timer+0xc0/0xe0 [ 48.046316][ C1] tick_sched_timer+0x43/0xe0 [ 48.051044][ C1] __hrtimer_run_queues+0x288/0x600 [ 48.056226][ C1] hrtimer_interrupt+0x22a/0x480 [ 48.061392][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 48.066847][ C1] apic_timer_interrupt+0xf/0x20 [ 48.071780][ C1] iptable_security_hook+0x0/0x60 [ 48.076788][ C1] ip_local_deliver+0x1e5/0x210 [ 48.081968][ C1] ip_rcv_finish+0x121/0x160 [ 48.086551][ C1] ip_rcv+0x18f/0x1a0 [ 48.090525][ C1] __netif_receive_skb_one_core+0xa7/0xe0 [ 48.096331][ C1] __netif_receive_skb+0x37/0xf0 [ 48.101383][ C1] netif_receive_skb_internal+0x59/0x190 [ 48.106999][ C1] napi_gro_receive+0x28f/0x330 [ 48.111822][ C1] [ 48.114132][ C1] read to 0xffffffff85caf310 of 4 bytes by interrupt on cpu 1: [ 48.121679][ C1] tick_sched_do_timer+0x33/0xe0 [ 48.126608][ C1] tick_sched_timer+0x43/0xe0 [ 48.131304][ C1] __hrtimer_run_queues+0x288/0x600 [ 48.136486][ C1] hrtimer_interrupt+0x22a/0x480 [ 48.141495][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 48.147183][ C1] apic_timer_interrupt+0xf/0x20 [ 48.152107][ C1] [ 48.154418][ C1] Reported by Kernel Concurrency Sanitizer on: [ 48.160651][ C1] CPU: 1 PID: 7288 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 48.167732][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.177801][ C1] ================================================================== [ 48.185856][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 48.192692][ C1] CPU: 1 PID: 7288 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 48.199797][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.209848][ C1] Call Trace: [ 48.213127][ C1] [ 48.216053][ C1] dump_stack+0xf5/0x159 [ 48.220282][ C1] panic+0x209/0x639 [ 48.224355][ C1] ? vprintk_func+0x8d/0x140 [ 48.229182][ C1] kcsan_report.cold+0xc/0x1b [ 48.234070][ C1] __kcsan_setup_watchpoint+0x3ee/0x510 [ 48.239665][ C1] __tsan_read4+0x2c/0x30 [ 48.243995][ C1] tick_sched_do_timer+0x33/0xe0 [ 48.248916][ C1] tick_sched_timer+0x43/0xe0 [ 48.253599][ C1] __hrtimer_run_queues+0x288/0x600 [ 48.258786][ C1] ? tick_sched_do_timer+0xe0/0xe0 [ 48.263912][ C1] hrtimer_interrupt+0x22a/0x480 [ 48.268864][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 48.274309][ C1] apic_timer_interrupt+0xf/0x20 [ 48.279264][ C1] [ 48.282195][ C1] RIP: 0033:0x528578 [ 48.286095][ C1] Code: 24 28 48 89 54 24 30 48 8b 6c 24 08 48 83 c4 10 c3 31 c0 e8 5a 16 f3 ff eb de 48 8b 41 08 48 8b 19 48 39 c2 73 28 0f b6 04 13 <48> ff c2 48 89 51 28 0f b6 d0 48 89 51 48 88 44 24 20 0f 57 c0 0f [ 48.306230][ C1] RSP: 002b:000000c42039d9e8 EFLAGS: 00000283 ORIG_RAX: ffffffffffffff13 [ 48.314738][ C1] RAX: 0000000000000042 RBX: 000000c420304000 RCX: 000000c4200a04e0 [ 48.322690][ C1] RDX: 0000000000000a25 RSI: 0000000000000007 RDI: 00000000000000e4 [ 48.330657][ C1] RBP: 000000c42039d9f0 R08: 000000c4204a2000 R09: 000000000000006f [ 48.338621][ C1] R10: 00000000ffffffff R11: 0000000000002f52 R12: 0000000000000100 [ 48.346580][ C1] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff [ 48.356350][ C1] Kernel Offset: disabled [ 48.360692][ C1] Rebooting in 86400 seconds..