Warning: Permanently added '10.128.0.43' (ECDSA) to the list of known hosts. 2019/10/17 13:12:25 fuzzer started 2019/10/17 13:12:26 dialing manager at 10.128.0.105:33899 2019/10/17 13:12:26 syscalls: 2524 2019/10/17 13:12:26 code coverage: enabled 2019/10/17 13:12:26 comparison tracing: enabled 2019/10/17 13:12:26 extra coverage: extra coverage is not supported by the kernel 2019/10/17 13:12:26 setuid sandbox: enabled 2019/10/17 13:12:26 namespace sandbox: enabled 2019/10/17 13:12:26 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/17 13:12:26 fault injection: enabled 2019/10/17 13:12:26 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/17 13:12:26 net packet injection: enabled 2019/10/17 13:12:26 net device setup: enabled 2019/10/17 13:12:26 concurrency sanitizer: enabled syzkaller login: [ 45.223547][ T0] ================================================================== [ 45.231655][ T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_nohz_idle_stop_tick [ 45.240555][ T0] [ 45.242865][ T0] write to 0xffffffff85cb2790 of 4 bytes by task 0 on cpu 0: [ 45.250211][ T0] tick_nohz_idle_stop_tick+0x525/0x670 [ 45.255732][ T0] do_idle+0x1a5/0x280 [ 45.259778][ T0] cpu_startup_entry+0x1b/0x20 [ 45.264521][ T0] rest_init+0xec/0xf6 [ 45.268569][ T0] arch_call_rest_init+0x17/0x37 [ 45.273486][ T0] start_kernel+0x838/0x85e [ 45.277966][ T0] x86_64_start_reservations+0x29/0x2b [ 45.283398][ T0] x86_64_start_kernel+0x72/0x76 [ 45.288310][ T0] secondary_startup_64+0xa4/0xb0 [ 45.293300][ T0] [ 45.295607][ T0] read to 0xffffffff85cb2790 of 4 bytes by task 0 on cpu 1: [ 45.302869][ T0] tick_nohz_idle_stop_tick+0x193/0x670 [ 45.308405][ T0] do_idle+0x1a5/0x280 [ 45.312496][ T0] cpu_startup_entry+0x1b/0x20 [ 45.317236][ T0] start_secondary+0x208/0x260 [ 45.321975][ T0] secondary_startup_64+0xa4/0xb0 [ 45.326981][ T0] [ 45.329299][ T0] Reported by Kernel Concurrency Sanitizer on: [ 45.335450][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-rc3+ #0 [ 45.342527][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.352557][ T0] ================================================================== [ 45.360593][ T0] Kernel panic - not syncing: panic_on_warn set ... [ 45.367156][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-rc3+ #0 [ 45.374234][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.384277][ T0] Call Trace: [ 45.387556][ T0] dump_stack+0xf5/0x159 [ 45.391788][ T0] panic+0x210/0x640 [ 45.395677][ T0] ? vprintk_func+0x8d/0x140 [ 45.400247][ T0] kcsan_report.cold+0xc/0x1b [ 45.404915][ T0] __kcsan_setup_watchpoint+0x3ee/0x510 [ 45.410437][ T0] __tsan_read4+0x2c/0x30 [ 45.414762][ T0] tick_nohz_idle_stop_tick+0x193/0x670 [ 45.420313][ T0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.426537][ T0] do_idle+0x1a5/0x280 [ 45.430584][ T0] ? complete+0x44/0x50 [ 45.434720][ T0] cpu_startup_entry+0x1b/0x20 [ 45.439464][ T0] start_secondary+0x208/0x260 [ 45.444206][ T0] secondary_startup_64+0xa4/0xb0 [ 45.450548][ T0] Kernel Offset: disabled [ 45.454873][ T0] Rebooting in 86400 seconds..