Warning: Permanently added '10.128.1.21' (ECDSA) to the list of known hosts. 2019/10/04 14:54:06 fuzzer started 2019/10/04 14:54:07 dialing manager at 10.128.0.105:44881 2019/10/04 14:54:07 syscalls: 2523 2019/10/04 14:54:07 code coverage: enabled 2019/10/04 14:54:07 comparison tracing: enabled 2019/10/04 14:54:07 extra coverage: extra coverage is not supported by the kernel 2019/10/04 14:54:07 setuid sandbox: enabled 2019/10/04 14:54:07 namespace sandbox: enabled 2019/10/04 14:54:07 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/04 14:54:07 fault injection: enabled 2019/10/04 14:54:07 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/04 14:54:07 net packet injection: enabled 2019/10/04 14:54:07 net device setup: enabled 2019/10/04 14:54:07 concurrency sanitizer: enabled syzkaller login: [ 56.613406][ C1] ================================================================== [ 56.621781][ C1] BUG: KCSAN: data-race in tick_sched_do_timer / tick_sched_do_timer [ 56.629819][ C1] [ 56.632130][ C1] write to 0xffffffff85caf2d0 of 4 bytes by interrupt on cpu 0: [ 56.639740][ C1] tick_sched_do_timer+0xc0/0xe0 [ 56.644656][ C1] tick_sched_timer+0x43/0xe0 [ 56.649400][ C1] __hrtimer_run_queues+0x288/0x600 [ 56.654586][ C1] hrtimer_interrupt+0x22a/0x480 [ 56.659503][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 56.664938][ C1] apic_timer_interrupt+0xf/0x20 [ 56.670479][ C1] tick_nohz_idle_exit+0x136/0x1e0 [ 56.675581][ C1] do_idle+0xb0/0x2c0 [ 56.679541][ C1] cpu_startup_entry+0x1b/0x20 [ 56.684279][ C1] rest_init+0xec/0xf6 [ 56.688328][ C1] arch_call_rest_init+0x17/0x37 [ 56.693255][ C1] start_kernel+0x83e/0x864 [ 56.697739][ C1] x86_64_start_reservations+0x29/0x2b [ 56.703174][ C1] x86_64_start_kernel+0x72/0x76 [ 56.708085][ C1] [ 56.710396][ C1] read to 0xffffffff85caf2d0 of 4 bytes by interrupt on cpu 1: [ 56.718279][ C1] tick_sched_do_timer+0x33/0xe0 [ 56.723226][ C1] tick_sched_timer+0x43/0xe0 [ 56.727882][ C1] __hrtimer_run_queues+0x288/0x600 [ 56.733322][ C1] hrtimer_interrupt+0x22a/0x480 [ 56.738236][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 56.743669][ C1] apic_timer_interrupt+0xf/0x20 [ 56.748576][ C1] [ 56.750880][ C1] Reported by Kernel Concurrency Sanitizer on: [ 56.757020][ C1] CPU: 1 PID: 7188 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 56.764100][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.774134][ C1] ================================================================== [ 56.782168][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 56.788821][ C1] CPU: 1 PID: 7188 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 56.795909][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.805951][ C1] Call Trace: [ 56.809265][ C1] [ 56.812104][ C1] dump_stack+0xf5/0x159 [ 56.816371][ C1] panic+0x209/0x639 [ 56.820251][ C1] ? vprintk_func+0x8d/0x140 [ 56.824821][ C1] kcsan_report.cold+0x57/0xeb [ 56.829605][ C1] __kcsan_setup_watchpoint+0x342/0x500 [ 56.835132][ C1] __tsan_read4+0x2c/0x30 [ 56.839445][ C1] tick_sched_do_timer+0x33/0xe0 [ 56.844366][ C1] tick_sched_timer+0x43/0xe0 [ 56.849025][ C1] __hrtimer_run_queues+0x288/0x600 [ 56.854201][ C1] ? tick_sched_do_timer+0xe0/0xe0 [ 56.859297][ C1] hrtimer_interrupt+0x22a/0x480 [ 56.864228][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 56.870013][ C1] ? smp_reschedule_interrupt+0x71/0x1d0 [ 56.875634][ C1] apic_timer_interrupt+0xf/0x20 [ 56.880548][ C1] [ 56.883472][ C1] RIP: 0033:0x77be1f [ 56.887350][ C1] Code: da e9 75 ff ff ff e8 80 d4 ca ff 0f 0b e8 39 b5 cd ff e9 04 ff ff ff cc cc cc cc 64 48 8b 0c 25 f8 ff ff ff 48 3b 61 10 76 58 <48> 83 ec 18 48 89 6c 24 10 48 8d 6c 24 10 48 8b 44 24 20 48 8b 48 [ 56.907115][ C1] RSP: 002b:000000c4203b5718 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 [ 56.915512][ C1] RAX: 000000c420150098 RBX: 0000000000000004 RCX: 000000c42006f200 [ 56.923467][ C1] RDX: 000000c420295f08 RSI: 000000001709e80f RDI: 0000000000000004 [ 56.931509][ C1] RBP: 000000c4203b57a0 R08: 000000000000000f R09: 0000000000000000 [ 56.939594][ C1] R10: 00000000009abbf7 R11: 0000000000000008 R12: 0000000000000000 [ 56.947553][ C1] R13: 00000000000000f6 R14: 0000000000000076 R15: 0000000000000100 [ 56.956999][ C1] Kernel Offset: disabled [ 56.961325][ C1] Rebooting in 86400 seconds..