Warning: Permanently added '10.128.0.251' (ECDSA) to the list of known hosts. 2019/10/12 04:24:23 fuzzer started 2019/10/12 04:24:24 dialing manager at 10.128.0.105:43913 2019/10/12 04:24:25 syscalls: 2523 2019/10/12 04:24:25 code coverage: enabled 2019/10/12 04:24:25 comparison tracing: enabled 2019/10/12 04:24:25 extra coverage: extra coverage is not supported by the kernel 2019/10/12 04:24:25 setuid sandbox: enabled 2019/10/12 04:24:25 namespace sandbox: enabled 2019/10/12 04:24:25 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/12 04:24:25 fault injection: enabled 2019/10/12 04:24:25 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/12 04:24:25 net packet injection: enabled 2019/10/12 04:24:25 net device setup: enabled 2019/10/12 04:24:25 concurrency sanitizer: enabled syzkaller login: [ 45.629065][ T0] ================================================================== [ 45.637312][ T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_nohz_idle_stop_tick [ 45.646260][ T0] [ 45.648569][ T0] write to 0xffffffff85caf310 of 4 bytes by task 0 on cpu 0: [ 45.656044][ T0] tick_nohz_idle_stop_tick+0x525/0x670 [ 45.661600][ T0] do_idle+0x1e0/0x2c0 [ 45.665659][ T0] cpu_startup_entry+0x1b/0x20 [ 45.670398][ T0] rest_init+0xec/0xf6 [ 45.674454][ T0] arch_call_rest_init+0x17/0x37 [ 45.679367][ T0] start_kernel+0x83e/0x864 [ 45.683854][ T0] x86_64_start_reservations+0x29/0x2b [ 45.689287][ T0] x86_64_start_kernel+0x72/0x76 [ 45.694892][ T0] secondary_startup_64+0xa4/0xb0 [ 45.699887][ T0] [ 45.702193][ T0] read to 0xffffffff85caf310 of 4 bytes by task 0 on cpu 1: [ 45.709452][ T0] tick_nohz_idle_stop_tick+0x193/0x670 [ 45.714969][ T0] do_idle+0x1e0/0x2c0 [ 45.719022][ T0] cpu_startup_entry+0x1b/0x20 [ 45.723762][ T0] start_secondary+0x207/0x260 [ 45.728850][ T0] secondary_startup_64+0xa4/0xb0 [ 45.733838][ T0] [ 45.736151][ T0] Reported by Kernel Concurrency Sanitizer on: [ 45.742297][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0+ #0 [ 45.749028][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.759066][ T0] ================================================================== [ 45.767253][ T0] Kernel panic - not syncing: panic_on_warn set ... [ 45.773814][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0+ #0 [ 45.780543][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.790589][ T0] Call Trace: [ 45.793860][ T0] dump_stack+0xf5/0x159 [ 45.798097][ T0] panic+0x209/0x639 [ 45.801980][ T0] ? vprintk_func+0x8d/0x140 [ 45.806567][ T0] kcsan_report.cold+0xc/0x1b [ 45.811239][ T0] __kcsan_setup_watchpoint+0x3ee/0x510 [ 45.816759][ T0] __tsan_read4+0x2c/0x30 [ 45.821078][ T0] tick_nohz_idle_stop_tick+0x193/0x670 [ 45.826612][ T0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.832829][ T0] do_idle+0x1e0/0x2c0 [ 45.836872][ T0] ? complete+0x44/0x50 [ 45.841024][ T0] cpu_startup_entry+0x1b/0x20 [ 45.845770][ T0] start_secondary+0x207/0x260 [ 45.850511][ T0] secondary_startup_64+0xa4/0xb0 [ 45.856917][ T0] Kernel Offset: disabled [ 45.861239][ T0] Rebooting in 86400 seconds..