Warning: Permanently added '10.128.0.18' (ECDSA) to the list of known hosts. 2019/10/05 20:41:38 fuzzer started 2019/10/05 20:41:40 dialing manager at 10.128.0.105:35709 2019/10/05 20:41:40 syscalls: 2523 2019/10/05 20:41:40 code coverage: enabled 2019/10/05 20:41:40 comparison tracing: enabled 2019/10/05 20:41:40 extra coverage: extra coverage is not supported by the kernel 2019/10/05 20:41:40 setuid sandbox: enabled 2019/10/05 20:41:40 namespace sandbox: enabled 2019/10/05 20:41:40 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/05 20:41:40 fault injection: enabled 2019/10/05 20:41:40 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/05 20:41:40 net packet injection: enabled 2019/10/05 20:41:40 net device setup: enabled 2019/10/05 20:41:40 concurrency sanitizer: enabled syzkaller login: [ 51.338950][ T0] ================================================================== [ 51.347128][ T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_nohz_idle_stop_tick [ 51.356829][ T0] [ 51.359139][ T0] write to 0xffffffff85caf2d0 of 4 bytes by task 0 on cpu 1: [ 51.366494][ T0] tick_nohz_idle_stop_tick+0x525/0x670 [ 51.372123][ T0] do_idle+0x1e0/0x2c0 [ 51.376273][ T0] cpu_startup_entry+0x1b/0x20 [ 51.381036][ T0] start_secondary+0x207/0x260 [ 51.385781][ T0] secondary_startup_64+0xa4/0xb0 [ 51.390776][ T0] [ 51.393088][ T0] read to 0xffffffff85caf2d0 of 4 bytes by task 0 on cpu 0: [ 51.400347][ T0] tick_nohz_idle_stop_tick+0x193/0x670 [ 51.405874][ T0] do_idle+0x1e0/0x2c0 [ 51.409925][ T0] cpu_startup_entry+0x1b/0x20 [ 51.414690][ T0] rest_init+0xec/0xf6 [ 51.418742][ T0] arch_call_rest_init+0x17/0x37 [ 51.423705][ T0] start_kernel+0x83e/0x864 [ 51.428202][ T0] x86_64_start_reservations+0x29/0x2b [ 51.434338][ T0] x86_64_start_kernel+0x72/0x76 [ 51.439352][ T0] secondary_startup_64+0xa4/0xb0 [ 51.444352][ T0] [ 51.446655][ T0] Reported by Kernel Concurrency Sanitizer on: [ 51.452783][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.3.0+ #0 [ 51.459516][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.469640][ T0] ================================================================== [ 51.477828][ T0] Kernel panic - not syncing: panic_on_warn set ... [ 51.484572][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.3.0+ #0 [ 51.491395][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.501603][ T0] Call Trace: [ 51.504884][ T0] dump_stack+0xf5/0x159 [ 51.509239][ T0] panic+0x209/0x639 [ 51.516256][ T0] ? vprintk_func+0x8d/0x140 [ 51.521262][ T0] kcsan_report.cold+0x57/0xeb [ 51.526056][ T0] __kcsan_setup_watchpoint+0x342/0x500 [ 51.531762][ T0] __tsan_read4+0x2c/0x30 [ 51.536305][ T0] tick_nohz_idle_stop_tick+0x193/0x670 [ 51.546165][ T0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.553376][ T0] do_idle+0x1e0/0x2c0 [ 51.561246][ T0] cpu_startup_entry+0x1b/0x20 [ 51.567992][ T0] rest_init+0xec/0xf6 [ 51.572568][ T0] ? trace_event_define_fields_vector_free_moved+0xce/0xce [ 51.584175][ T0] arch_call_rest_init+0x17/0x37 [ 51.593184][ T0] start_kernel+0x83e/0x864 [ 51.599301][ T0] x86_64_start_reservations+0x29/0x2b [ 51.604942][ T0] x86_64_start_kernel+0x72/0x76 [ 51.609866][ T0] secondary_startup_64+0xa4/0xb0 [ 51.617859][ T0] Kernel Offset: disabled [ 51.622306][ T0] Rebooting in 86400 seconds..