Warning: Permanently added '10.128.0.209' (ECDSA) to the list of known hosts. 2019/10/20 23:33:39 fuzzer started 2019/10/20 23:33:40 dialing manager at 10.128.0.105:43535 2019/10/20 23:33:40 syscalls: 2524 2019/10/20 23:33:40 code coverage: enabled 2019/10/20 23:33:40 comparison tracing: enabled 2019/10/20 23:33:40 extra coverage: extra coverage is not supported by the kernel 2019/10/20 23:33:40 setuid sandbox: enabled 2019/10/20 23:33:40 namespace sandbox: enabled 2019/10/20 23:33:40 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/20 23:33:40 fault injection: enabled 2019/10/20 23:33:40 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/20 23:33:40 net packet injection: enabled 2019/10/20 23:33:40 net device setup: enabled 2019/10/20 23:33:40 concurrency sanitizer: enabled syzkaller login: [ 42.924846][ T0] ================================================================== [ 42.933127][ T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_nohz_idle_stop_tick [ 42.942068][ T0] [ 42.944409][ T0] write to 0xffffffff85cb2790 of 4 bytes by task 0 on cpu 0: [ 42.952031][ T0] tick_nohz_idle_stop_tick+0x525/0x670 [ 42.957557][ T0] do_idle+0x1a5/0x280 [ 42.961766][ T0] cpu_startup_entry+0x1b/0x20 [ 42.966672][ T0] rest_init+0xec/0xf6 [ 42.970738][ T0] arch_call_rest_init+0x17/0x37 [ 42.975677][ T0] start_kernel+0x838/0x85e [ 42.980227][ T0] x86_64_start_reservations+0x29/0x2b [ 42.985727][ T0] x86_64_start_kernel+0x72/0x76 [ 42.990701][ T0] secondary_startup_64+0xa4/0xb0 [ 42.995699][ T0] [ 42.998010][ T0] read to 0xffffffff85cb2790 of 4 bytes by task 0 on cpu 1: [ 43.005429][ T0] tick_nohz_idle_stop_tick+0x193/0x670 [ 43.010987][ T0] do_idle+0x1a5/0x280 [ 43.015077][ T0] cpu_startup_entry+0x1b/0x20 [ 43.019856][ T0] start_secondary+0x208/0x260 [ 43.024726][ T0] secondary_startup_64+0xa4/0xb0 [ 43.029742][ T0] [ 43.032048][ T0] Reported by Kernel Concurrency Sanitizer on: [ 43.038550][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-rc3+ #0 [ 43.045642][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.057604][ T0] ================================================================== [ 43.065653][ T0] Kernel panic - not syncing: panic_on_warn set ... [ 43.072246][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-rc3+ #0 [ 43.079435][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.089580][ T0] Call Trace: [ 43.092862][ T0] dump_stack+0xf5/0x159 [ 43.097102][ T0] panic+0x210/0x640 [ 43.101011][ T0] ? vprintk_func+0x8d/0x140 [ 43.105593][ T0] kcsan_report.cold+0xc/0x10 [ 43.110272][ T0] __kcsan_setup_watchpoint+0x32e/0x4a0 [ 43.115816][ T0] __tsan_read4+0x2c/0x30 [ 43.120132][ T0] tick_nohz_idle_stop_tick+0x193/0x670 [ 43.125701][ T0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.132115][ T0] do_idle+0x1a5/0x280 [ 43.136219][ T0] ? complete+0x44/0x50 [ 43.140419][ T0] cpu_startup_entry+0x1b/0x20 [ 43.145183][ T0] start_secondary+0x208/0x260 [ 43.149936][ T0] secondary_startup_64+0xa4/0xb0 [ 43.156380][ T0] Kernel Offset: disabled [ 43.160733][ T0] Rebooting in 86400 seconds..