Warning: Permanently added '10.128.1.11' (ECDSA) to the list of known hosts. 2020/06/08 23:01:25 fuzzer started 2020/06/08 23:01:25 dialing manager at 10.128.0.105:32965 2020/06/08 23:01:27 syscalls: 3055 2020/06/08 23:01:27 code coverage: enabled 2020/06/08 23:01:27 comparison tracing: enabled 2020/06/08 23:01:27 extra coverage: enabled 2020/06/08 23:01:27 setuid sandbox: enabled 2020/06/08 23:01:27 namespace sandbox: enabled 2020/06/08 23:01:27 Android sandbox: /sys/fs/selinux/policy does not exist 2020/06/08 23:01:27 fault injection: enabled 2020/06/08 23:01:27 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/06/08 23:01:27 net packet injection: enabled 2020/06/08 23:01:27 net device setup: enabled 2020/06/08 23:01:27 concurrency sanitizer: enabled 2020/06/08 23:01:27 devlink PCI setup: PCI device 0000:00:10.0 is not available 2020/06/08 23:01:27 USB emulation: enabled syzkaller login: [ 48.856967][ T8900] KCSAN: could not find function: '_find_next_bit' 2020/06/08 23:01:28 adding functions to KCSAN blacklist: 'xas_find_marked' 'complete_signal' 'find_get_pages_range_tag' '_find_next_bit' 'ep_poll' 'futex_wait_queue_me' 'run_timer_softirq' 'page_counter_charge' [ 50.556347][ T0] ================================================================== [ 50.564452][ T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_nohz_idle_stop_tick [ 50.573354][ T0] [ 50.575681][ T0] write to 0xffffffff8764e210 of 4 bytes by task 0 on cpu 1: [ 50.583030][ T0] tick_nohz_idle_stop_tick+0x52c/0x680 [ 50.588551][ T0] do_idle+0x1ad/0x290 [ 50.592600][ T0] cpu_startup_entry+0x14/0x20 [ 50.597341][ T0] start_secondary+0x169/0x1b0 [ 50.602082][ T0] secondary_startup_64+0xa4/0xb0 [ 50.607075][ T0] [ 50.609383][ T0] read to 0xffffffff8764e210 of 4 bytes by task 0 on cpu 0: [ 50.616920][ T0] tick_nohz_idle_stop_tick+0x191/0x680 [ 50.622510][ T0] do_idle+0x1ad/0x290 [ 50.626572][ T0] cpu_startup_entry+0x14/0x20 [ 50.631316][ T0] rest_init+0xe4/0xeb [ 50.635365][ T0] arch_call_rest_init+0x13/0x2b [ 50.640280][ T0] start_kernel+0x7fe/0x823 [ 50.644764][ T0] secondary_startup_64+0xa4/0xb0 [ 50.649771][ T0] [ 50.652073][ T0] Reported by Kernel Concurrency Sanitizer on: [ 50.658207][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc1-syzkaller #0 [ 50.666088][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.676119][ T0] ================================================================== [ 50.684167][ T0] Kernel panic - not syncing: panic_on_warn set ... [ 50.690889][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc1-syzkaller #0 [ 50.698773][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.708817][ T0] Call Trace: [ 50.712096][ T0] dump_stack+0x11d/0x187 [ 50.716462][ T0] panic+0x210/0x640 [ 50.720357][ T0] ? vprintk_func+0x89/0x13a [ 50.724928][ T0] kcsan_report.cold+0xc/0x1a [ 50.729590][ T0] kcsan_setup_watchpoint+0x3fb/0x440 [ 50.734960][ T0] tick_nohz_idle_stop_tick+0x191/0x680 [ 50.740502][ T0] do_idle+0x1ad/0x290 [ 50.744573][ T0] ? debug_smp_processor_id+0x3f/0x129 [ 50.750010][ T0] cpu_startup_entry+0x14/0x20 [ 50.754785][ T0] rest_init+0xe4/0xeb [ 50.758841][ T0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 50.765078][ T0] arch_call_rest_init+0x13/0x2b [ 50.769996][ T0] start_kernel+0x7fe/0x823 [ 50.774495][ T0] secondary_startup_64+0xa4/0xb0 [ 50.780860][ T0] Kernel Offset: disabled [ 50.785196][ T0] Rebooting in 86400 seconds..