Warning: Permanently added '10.128.0.31' (ECDSA) to the list of known hosts. 2020/05/07 22:31:58 fuzzer started 2020/05/07 22:31:58 dialing manager at 10.128.0.105:45985 2020/05/07 22:32:02 syscalls: 3055 2020/05/07 22:32:02 code coverage: enabled 2020/05/07 22:32:02 comparison tracing: enabled 2020/05/07 22:32:02 extra coverage: enabled 2020/05/07 22:32:02 setuid sandbox: enabled 2020/05/07 22:32:02 namespace sandbox: enabled 2020/05/07 22:32:02 Android sandbox: /sys/fs/selinux/policy does not exist 2020/05/07 22:32:02 fault injection: enabled 2020/05/07 22:32:02 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/05/07 22:32:02 net packet injection: enabled 2020/05/07 22:32:02 net device setup: enabled 2020/05/07 22:32:02 concurrency sanitizer: enabled 2020/05/07 22:32:02 devlink PCI setup: PCI device 0000:00:10.0 is not available 2020/05/07 22:32:02 USB emulation: enabled 2020/05/07 22:32:04 adding functions to KCSAN blacklist: 'ep_poll' 'run_timer_softirq' 'dd_has_work' 'find_get_pages_range_tag' 'do_nanosleep' 'mod_timer' 'ext4_free_inodes_count' 'generic_write_end' 'do_signal_stop' 'copy_process' '__ext4_new_inode' [ 83.887377][ T0] ================================================================== [ 83.895540][ T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_sched_do_timer [ 83.904027][ T0] [ 83.906355][ T0] write to 0xffffffff8764e210 of 4 bytes by interrupt on cpu 0: [ 83.913990][ T0] tick_sched_do_timer+0xb4/0xd0 [ 83.918932][ T0] tick_sched_timer+0x3f/0xd0 [ 83.923611][ T0] __hrtimer_run_queues+0x271/0x600 [ 83.928812][ T0] hrtimer_interrupt+0x226/0x490 [ 83.933746][ T0] smp_apic_timer_interrupt+0xd8/0x270 [ 83.939197][ T0] apic_timer_interrupt+0xf/0x20 [ 83.944120][ T0] [ 83.946522][ T0] read to 0xffffffff8764e210 of 4 bytes by task 0 on cpu 1: [ 83.953792][ T0] tick_nohz_idle_stop_tick+0x191/0x680 [ 83.959497][ T0] do_idle+0x1ad/0x290 [ 83.963548][ T0] cpu_startup_entry+0x14/0x20 [ 83.968296][ T0] start_secondary+0x169/0x1b0 [ 83.973439][ T0] secondary_startup_64+0xa4/0xb0 [ 83.978439][ T0] [ 83.980747][ T0] Reported by Kernel Concurrency Sanitizer on: [ 83.986884][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.7.0-rc1-syzkaller #0 [ 83.994785][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.004817][ T0] ================================================================== [ 84.012854][ T0] Kernel panic - not syncing: panic_on_warn set ... [ 84.019442][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.7.0-rc1-syzkaller #0 [ 84.027306][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.037336][ T0] Call Trace: [ 84.040611][ T0] dump_stack+0x11d/0x187 [ 84.044945][ T0] panic+0x210/0x640 [ 84.048843][ T0] ? vprintk_func+0x89/0x13a [ 84.053415][ T0] kcsan_report.cold+0xc/0x1a [ 84.058078][ T0] kcsan_setup_watchpoint+0x3fb/0x440 [ 84.063445][ T0] tick_nohz_idle_stop_tick+0x191/0x680 [ 84.068990][ T0] do_idle+0x1ad/0x290 [ 84.073055][ T0] cpu_startup_entry+0x14/0x20 [ 84.077806][ T0] start_secondary+0x169/0x1b0 [ 84.082572][ T0] secondary_startup_64+0xa4/0xb0 [ 84.088686][ T0] Kernel Offset: disabled [ 84.093031][ T0] Rebooting in 86400 seconds..