Warning: Permanently added '10.128.15.219' (ECDSA) to the list of known hosts. 2019/10/14 16:38:30 fuzzer started 2019/10/14 16:38:32 dialing manager at 10.128.0.105:43961 2019/10/14 16:38:32 syscalls: 2523 2019/10/14 16:38:32 code coverage: enabled 2019/10/14 16:38:32 comparison tracing: enabled 2019/10/14 16:38:32 extra coverage: extra coverage is not supported by the kernel 2019/10/14 16:38:32 setuid sandbox: enabled 2019/10/14 16:38:32 namespace sandbox: enabled 2019/10/14 16:38:32 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/14 16:38:32 fault injection: enabled 2019/10/14 16:38:32 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/14 16:38:32 net packet injection: enabled 2019/10/14 16:38:32 net device setup: enabled 2019/10/14 16:38:32 concurrency sanitizer: enabled syzkaller login: [ 44.636264][ C1] ================================================================== [ 44.644622][ C1] BUG: KCSAN: data-race in tick_sched_do_timer / tick_sched_do_timer [ 44.652667][ C1] [ 44.654992][ C1] write to 0xffffffff85caf310 of 4 bytes by interrupt on cpu 0: [ 44.662607][ C1] tick_sched_do_timer+0xc0/0xe0 [ 44.667775][ C1] tick_sched_timer+0x43/0xe0 [ 44.672432][ C1] __hrtimer_run_queues+0x288/0x600 [ 44.677614][ C1] hrtimer_interrupt+0x22a/0x480 [ 44.682553][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 44.688034][ C1] apic_timer_interrupt+0xf/0x20 [ 44.693176][ C1] __sanitizer_cov_trace_pc+0x1/0x50 [ 44.698436][ C1] ip_rcv_core.isra.0+0xbd/0x680 [ 44.703355][ C1] ip_rcv+0x5a/0x1a0 [ 44.707412][ C1] __netif_receive_skb_one_core+0xa7/0xe0 [ 44.713118][ C1] __netif_receive_skb+0x37/0xf0 [ 44.718048][ C1] netif_receive_skb_internal+0x59/0x190 [ 44.723655][ C1] napi_gro_receive+0x28f/0x330 [ 44.728495][ C1] receive_buf+0x284/0x30b0 [ 44.732999][ C1] [ 44.735306][ C1] read to 0xffffffff85caf310 of 4 bytes by interrupt on cpu 1: [ 44.742842][ C1] tick_sched_do_timer+0x33/0xe0 [ 44.747772][ C1] tick_sched_timer+0x43/0xe0 [ 44.752426][ C1] __hrtimer_run_queues+0x288/0x600 [ 44.757614][ C1] hrtimer_interrupt+0x22a/0x480 [ 44.762541][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 44.768090][ C1] apic_timer_interrupt+0xf/0x20 [ 44.773009][ C1] [ 44.775316][ C1] Reported by Kernel Concurrency Sanitizer on: [ 44.781471][ C1] CPU: 1 PID: 7236 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 44.788549][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.798599][ C1] ================================================================== [ 44.806635][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 44.813197][ C1] CPU: 1 PID: 7236 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 44.820288][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.830326][ C1] Call Trace: [ 44.833589][ C1] [ 44.836443][ C1] dump_stack+0xf5/0x159 [ 44.840669][ C1] panic+0x209/0x639 [ 44.844551][ C1] ? vprintk_func+0x8d/0x140 [ 44.849135][ C1] kcsan_report.cold+0xc/0x1b [ 44.853805][ C1] __kcsan_setup_watchpoint+0x3ee/0x510 [ 44.859329][ C1] __tsan_read4+0x2c/0x30 [ 44.863737][ C1] tick_sched_do_timer+0x33/0xe0 [ 44.868655][ C1] tick_sched_timer+0x43/0xe0 [ 44.873827][ C1] __hrtimer_run_queues+0x288/0x600 [ 44.879057][ C1] ? tick_sched_do_timer+0xe0/0xe0 [ 44.884175][ C1] hrtimer_interrupt+0x22a/0x480 [ 44.889106][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 44.894544][ C1] ? smp_reschedule_interrupt+0x71/0x1d0 [ 44.900155][ C1] apic_timer_interrupt+0xf/0x20 [ 44.905076][ C1] [ 44.907992][ C1] RIP: 0033:0x607586 [ 44.911882][ C1] Code: e1 48 d3 ff 48 83 fe 09 7e 20 eb 36 44 89 54 ba 08 48 89 f1 41 bc 01 00 00 00 49 d3 e4 48 83 f9 40 4d 19 ed 4d 21 ec 4c 01 e7 <48> 81 ff 00 02 00 00 7d 07 72 d7 e9 ab 02 00 00 4c 89 c1 e9 40 ff [ 44.931462][ C1] RSP: 002b:000000c4202f3910 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 44.939862][ C1] RAX: 000000000000001e RBX: 000000c4203cc820 RCX: 0000000000000007 [ 44.947896][ C1] RDX: 000000c420312850 RSI: 0000000000000009 RDI: 00000000000000bf [ 44.955851][ C1] RBP: 000000c4202f3a60 R08: 0000000000000019 R09: 000000c4202f3960 [ 44.963798][ C1] R10: 0000000000000199 R11: 0000000000c12600 R12: 0000000000000007 [ 44.971759][ C1] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff [ 44.981519][ C1] Kernel Offset: disabled [ 44.986268][ C1] Rebooting in 86400 seconds..