Warning: Permanently added '10.128.0.110' (ECDSA) to the list of known hosts. 2020/02/02 21:43:39 fuzzer started 2020/02/02 21:43:41 dialing manager at 10.128.0.105:41149 2020/02/02 21:43:41 syscalls: 2904 2020/02/02 21:43:41 code coverage: enabled 2020/02/02 21:43:41 comparison tracing: enabled 2020/02/02 21:43:41 extra coverage: enabled 2020/02/02 21:43:41 setuid sandbox: enabled 2020/02/02 21:43:41 namespace sandbox: enabled 2020/02/02 21:43:41 Android sandbox: /sys/fs/selinux/policy does not exist 2020/02/02 21:43:41 fault injection: enabled 2020/02/02 21:43:41 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/02/02 21:43:41 net packet injection: enabled 2020/02/02 21:43:41 net device setup: enabled 2020/02/02 21:43:41 concurrency sanitizer: enabled 2020/02/02 21:43:41 devlink PCI setup: PCI device 0000:00:10.0 is not available syzkaller login: [ 62.221784][ T8051] KCSAN: could not find function: 'poll_schedule_timeout' [ 62.314367][ C0] ================================================================== [ 62.322701][ C0] BUG: KCSAN: data-race in __hrtimer_run_queues / hrtimer_active [ 62.330477][ C0] [ 62.332821][ C0] read to 0xffff88812c01fbd8 of 8 bytes by interrupt on cpu 1: [ 62.340589][ C0] hrtimer_active+0x84/0x1a0 [ 62.345200][ C0] task_tick_fair+0x4c/0x910 [ 62.349917][ C0] scheduler_tick+0x5f/0xf0 [ 62.354436][ C0] update_process_times+0x5a/0x80 [ 62.359475][ C0] tick_sched_handle+0x75/0x100 [ 62.364341][ C0] tick_sched_timer+0x58/0xe0 [ 62.369034][ C0] __hrtimer_run_queues+0x274/0x5f0 [ 62.374239][ C0] hrtimer_interrupt+0x22a/0x480 [ 62.379278][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 62.385199][ C0] apic_timer_interrupt+0xf/0x20 [ 62.390160][ C0] kcsan_setup_watchpoint+0x1d4/0x460 [ 62.395540][ C0] __tsan_unaligned_write1+0xc3/0x100 [ 62.401042][ C0] kallsyms_expand_symbol.constprop.0+0xe8/0x160 [ 62.407385][ C0] kallsyms_lookup_name+0x7f/0x120 [ 62.412513][ C0] debugfs_write+0x14b/0x2d0 [ 62.417114][ C0] full_proxy_write+0xbd/0x100 [ 62.421964][ C0] __vfs_write+0x67/0xc0 [ 62.426216][ C0] vfs_write+0x18a/0x390 [ 62.430456][ C0] ksys_write+0xd5/0x1b0 [ 62.434709][ C0] __x64_sys_write+0x4c/0x60 [ 62.439397][ C0] do_syscall_64+0xcc/0x3a0 [ 62.443909][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.449786][ C0] [ 62.452128][ C0] write to 0xffff88812c01fbd8 of 8 bytes by interrupt on cpu 0: [ 62.459767][ C0] __hrtimer_run_queues+0x1e8/0x5f0 [ 62.464972][ C0] hrtimer_interrupt+0x22a/0x480 [ 62.469917][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 62.475467][ C0] apic_timer_interrupt+0xf/0x20 [ 62.480419][ C0] native_safe_halt+0xe/0x10 [ 62.485107][ C0] arch_cpu_idle+0xa/0x10 [ 62.489450][ C0] default_idle_call+0x1e/0x40 [ 62.494305][ C0] do_idle+0x1c2/0x290 [ 62.498453][ C0] cpu_startup_entry+0x1b/0x20 [ 62.503217][ C0] rest_init+0xec/0xf6 [ 62.507285][ C0] arch_call_rest_init+0x17/0x37 [ 62.513220][ C0] start_kernel+0x838/0x85e [ 62.518085][ C0] x86_64_start_reservations+0x29/0x2b [ 62.523664][ C0] x86_64_start_kernel+0x72/0x76 [ 62.528626][ C0] secondary_startup_64+0xa4/0xb0 [ 62.533643][ C0] [ 62.535984][ C0] Reported by Kernel Concurrency Sanitizer on: [ 62.542145][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.5.0-rc1-syzkaller #0 [ 62.550361][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.560427][ C0] ================================================================== [ 62.568720][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 62.575333][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.5.0-rc1-syzkaller #0 [ 62.583236][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.593557][ C0] Call Trace: [ 62.596830][ C0] [ 62.599687][ C0] dump_stack+0x11d/0x181 [ 62.604279][ C0] panic+0x210/0x640 [ 62.608261][ C0] ? vprintk_func+0x8d/0x140 [ 62.612873][ C0] kcsan_report.cold+0xc/0xd [ 62.617480][ C0] kcsan_setup_watchpoint+0x3fe/0x460 [ 62.623527][ C0] __tsan_unaligned_write8+0xc7/0x110 [ 62.628919][ C0] __hrtimer_run_queues+0x1e8/0x5f0 [ 62.634137][ C0] ? ktime_get_update_offsets_now+0x28f/0x2f0 [ 62.640219][ C0] hrtimer_interrupt+0x22a/0x480 [ 62.645160][ C0] ? sched_clock+0x13/0x20 [ 62.649784][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 62.655683][ C0] apic_timer_interrupt+0xf/0x20 [ 62.660620][ C0] [ 62.663604][ C0] RIP: 0010:native_safe_halt+0xe/0x10 [ 62.668989][ C0] Code: cc cc cc cc cc cc cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d 4c e6 59 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 3c e6 59 00 fb f4 cc 55 48 89 e5 41 55 41 54 53 e8 d2 57 91 fc e8 fd da ab fd 0f [ 62.689381][ C0] RSP: 0018:ffffffff85c03df8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 62.697817][ C0] RAX: 0000000000000000 RBX: ffffffff85c2b780 RCX: ffffffff82546c55 [ 62.706016][ C0] RDX: 0000000000000000 RSI: ffffffff82546c5e RDI: 0000000000000005 [ 62.714006][ C0] RBP: ffffffff85c03e18 R08: ffffffff85c2b780 R09: 0000ffff85a2d160 [ 62.723333][ C0] R10: 0000ffff85c03e08 R11: 0000ffff85a2d167 R12: 0000000000000000 [ 62.731414][ C0] R13: ffffffff85c2b780 R14: 0000000000000000 R15: 0000000000000000 [ 62.739473][ C0] ? debug_smp_processor_id+0x35/0x137 [ 62.744947][ C0] ? debug_smp_processor_id+0x3e/0x137 [ 62.751409][ C0] ? default_idle+0x26/0x180 [ 62.756099][ C0] arch_cpu_idle+0xa/0x10 [ 62.760436][ C0] default_idle_call+0x1e/0x40 [ 62.765372][ C0] do_idle+0x1c2/0x290 [ 62.769526][ C0] ? debug_smp_processor_id+0x43/0x137 [ 62.775043][ C0] cpu_startup_entry+0x1b/0x20 [ 62.779842][ C0] rest_init+0xec/0xf6 [ 62.785011][ C0] ? trace_event_define_fields_vector_free_moved+0xb4/0xb4 [ 62.793006][ C0] arch_call_rest_init+0x17/0x37 [ 62.797967][ C0] start_kernel+0x838/0x85e [ 62.802475][ C0] x86_64_start_reservations+0x29/0x2b [ 62.808552][ C0] x86_64_start_kernel+0x72/0x76 [ 62.816360][ C0] secondary_startup_64+0xa4/0xb0 [ 62.822988][ C0] Kernel Offset: disabled [ 62.827316][ C0] Rebooting in 86400 seconds..