Warning: Permanently added '10.128.0.16' (ECDSA) to the list of known hosts. 2019/10/11 07:42:23 fuzzer started 2019/10/11 07:42:25 dialing manager at 10.128.0.105:37331 2019/10/11 07:42:25 syscalls: 2523 2019/10/11 07:42:25 code coverage: enabled 2019/10/11 07:42:25 comparison tracing: enabled 2019/10/11 07:42:25 extra coverage: extra coverage is not supported by the kernel 2019/10/11 07:42:25 setuid sandbox: enabled 2019/10/11 07:42:25 namespace sandbox: enabled 2019/10/11 07:42:25 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/11 07:42:25 fault injection: enabled 2019/10/11 07:42:25 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/11 07:42:25 net packet injection: enabled 2019/10/11 07:42:25 net device setup: enabled 2019/10/11 07:42:25 concurrency sanitizer: enabled syzkaller login: [ 48.669003][ T0] ================================================================== [ 48.678891][ T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_nohz_idle_stop_tick [ 48.687820][ T0] [ 48.690170][ T0] write to 0xffffffff85caf310 of 4 bytes by task 0 on cpu 0: [ 48.697529][ T0] tick_nohz_idle_stop_tick+0x525/0x670 [ 48.703054][ T0] do_idle+0x1e0/0x2c0 [ 48.707101][ T0] cpu_startup_entry+0x1b/0x20 [ 48.711846][ T0] rest_init+0xec/0xf6 [ 48.716939][ T0] arch_call_rest_init+0x17/0x37 [ 48.721868][ T0] start_kernel+0x83e/0x864 [ 48.726365][ T0] x86_64_start_reservations+0x29/0x2b [ 48.731808][ T0] x86_64_start_kernel+0x72/0x76 [ 48.736733][ T0] secondary_startup_64+0xa4/0xb0 [ 48.741732][ T0] [ 48.744039][ T0] read to 0xffffffff85caf310 of 4 bytes by task 0 on cpu 1: [ 48.751303][ T0] tick_nohz_idle_stop_tick+0x193/0x670 [ 48.756830][ T0] do_idle+0x1e0/0x2c0 [ 48.760884][ T0] cpu_startup_entry+0x1b/0x20 [ 48.765630][ T0] start_secondary+0x207/0x260 [ 48.770376][ T0] secondary_startup_64+0xa4/0xb0 [ 48.775506][ T0] [ 48.777815][ T0] Reported by Kernel Concurrency Sanitizer on: [ 48.783983][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0+ #0 [ 48.791764][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.801892][ T0] ================================================================== [ 48.809926][ T0] Kernel panic - not syncing: panic_on_warn set ... [ 48.817097][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0+ #0 [ 48.823830][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.833859][ T0] Call Trace: [ 48.837131][ T0] dump_stack+0xf5/0x159 [ 48.841377][ T0] panic+0x209/0x639 [ 48.845772][ T0] ? vprintk_func+0x8d/0x140 [ 48.850516][ T0] kcsan_report.cold+0xc/0x1b [ 48.855180][ T0] __kcsan_setup_watchpoint+0x3ee/0x510 [ 48.860712][ T0] __tsan_read4+0x2c/0x30 [ 48.866157][ T0] tick_nohz_idle_stop_tick+0x193/0x670 [ 48.871791][ T0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.878007][ T0] do_idle+0x1e0/0x2c0 [ 48.882055][ T0] cpu_startup_entry+0x1b/0x20 [ 48.886980][ T0] start_secondary+0x207/0x260 [ 48.891725][ T0] secondary_startup_64+0xa4/0xb0 [ 48.898264][ T0] Kernel Offset: disabled [ 48.903387][ T0] Rebooting in 86400 seconds..