Warning: Permanently added '10.128.1.11' (ECDSA) to the list of known hosts. 2020/02/04 05:57:12 fuzzer started 2020/02/04 05:57:15 dialing manager at 10.128.0.105:41149 2020/02/04 05:57:15 syscalls: 2904 2020/02/04 05:57:15 code coverage: enabled 2020/02/04 05:57:15 comparison tracing: enabled 2020/02/04 05:57:15 extra coverage: enabled 2020/02/04 05:57:15 setuid sandbox: enabled 2020/02/04 05:57:15 namespace sandbox: enabled 2020/02/04 05:57:15 Android sandbox: /sys/fs/selinux/policy does not exist 2020/02/04 05:57:15 fault injection: enabled 2020/02/04 05:57:15 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/02/04 05:57:15 net packet injection: enabled 2020/02/04 05:57:15 net device setup: enabled 2020/02/04 05:57:15 concurrency sanitizer: enabled 2020/02/04 05:57:15 devlink PCI setup: PCI device 0000:00:10.0 is not available syzkaller login: [ 66.317682][ T8080] KCSAN: could not find function: 'decode_data' [ 70.736678][ C0] ================================================================== [ 70.744835][ C0] BUG: KCSAN: data-race in __hrtimer_run_queues / hrtimer_active [ 70.752552][ C0] [ 70.754893][ C0] read to 0xffff88812c01fbd8 of 8 bytes by interrupt on cpu 1: [ 70.762429][ C0] hrtimer_active+0x84/0x1a0 [ 70.767012][ C0] task_tick_fair+0x4c/0x910 [ 70.771592][ C0] scheduler_tick+0x5f/0xf0 [ 70.776101][ C0] update_process_times+0x5a/0x80 [ 70.781120][ C0] tick_sched_handle+0x75/0x100 [ 70.785965][ C0] tick_sched_timer+0x58/0xe0 [ 70.790641][ C0] __hrtimer_run_queues+0x274/0x5f0 [ 70.795825][ C0] hrtimer_interrupt+0x22a/0x480 [ 70.800753][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 70.806201][ C0] apic_timer_interrupt+0xf/0x20 [ 70.811136][ C0] __tsan_read1+0x86/0x100 [ 70.815549][ C0] kallsyms_expand_symbol.constprop.0+0x103/0x160 [ 70.821958][ C0] kallsyms_lookup_name+0x7f/0x120 [ 70.827061][ C0] debugfs_write+0x14b/0x2d0 [ 70.831642][ C0] full_proxy_write+0xbd/0x100 [ 70.836400][ C0] __vfs_write+0x67/0xc0 [ 70.840638][ C0] vfs_write+0x18a/0x390 [ 70.844873][ C0] ksys_write+0xd5/0x1b0 [ 70.849104][ C0] __x64_sys_write+0x4c/0x60 [ 70.853687][ C0] do_syscall_64+0xcc/0x3a0 [ 70.858181][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.864052][ C0] [ 70.866373][ C0] write to 0xffff88812c01fbd8 of 8 bytes by interrupt on cpu 0: [ 70.873999][ C0] __hrtimer_run_queues+0x1e8/0x5f0 [ 70.879185][ C0] hrtimer_interrupt+0x22a/0x480 [ 70.884129][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 70.889587][ C0] apic_timer_interrupt+0xf/0x20 [ 70.894529][ C0] native_safe_halt+0xe/0x10 [ 70.899134][ C0] arch_cpu_idle+0xa/0x10 [ 70.903464][ C0] default_idle_call+0x1e/0x40 [ 70.908225][ C0] do_idle+0x1c2/0x290 [ 70.912285][ C0] cpu_startup_entry+0x1b/0x20 [ 70.917041][ C0] rest_init+0xec/0xf6 [ 70.921113][ C0] arch_call_rest_init+0x17/0x37 [ 70.926048][ C0] start_kernel+0x838/0x85e [ 70.930547][ C0] x86_64_start_reservations+0x29/0x2b [ 70.936001][ C0] x86_64_start_kernel+0x72/0x76 [ 70.940951][ C0] secondary_startup_64+0xa4/0xb0 [ 70.945970][ C0] [ 70.948283][ C0] Reported by Kernel Concurrency Sanitizer on: [ 70.954438][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.5.0-rc1-syzkaller #0 [ 70.962319][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.972368][ C0] ================================================================== [ 70.980425][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 70.987003][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.5.0-rc1-syzkaller #0 [ 70.994877][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.004936][ C0] Call Trace: [ 71.008209][ C0] [ 71.011056][ C0] dump_stack+0x11d/0x181 [ 71.015387][ C0] panic+0x210/0x640 [ 71.019281][ C0] ? vprintk_func+0x8d/0x140 [ 71.023874][ C0] kcsan_report.cold+0xc/0xd [ 71.028459][ C0] kcsan_setup_watchpoint+0x3fe/0x460 [ 71.033826][ C0] __tsan_unaligned_write8+0xc7/0x110 [ 71.039200][ C0] __hrtimer_run_queues+0x1e8/0x5f0 [ 71.044392][ C0] ? ktime_get_update_offsets_now+0x28f/0x2f0 [ 71.050459][ C0] hrtimer_interrupt+0x22a/0x480 [ 71.055398][ C0] ? sched_clock+0x13/0x20 [ 71.058585][ T8080] KCSAN: could not find function: 'poll_schedule_timeout' [ 71.059868][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 71.072398][ C0] apic_timer_interrupt+0xf/0x20 [ 71.077323][ C0] [ 71.080256][ C0] RIP: 0010:native_safe_halt+0xe/0x10 [ 71.085620][ 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 [ 71.105301][ C0] RSP: 0018:ffffffff85c03df8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 71.113708][ C0] RAX: 0000000000000000 RBX: ffffffff85c2b780 RCX: ffffffff82546c55 [ 71.121687][ C0] RDX: 0000000000000000 RSI: ffffffff82546c5e RDI: 0000000000000005 [ 71.129658][ C0] RBP: ffffffff85c03e18 R08: ffffffff85c2b780 R09: 0000ffff85a2d160 [ 71.137629][ C0] R10: 0000ffff85c03e08 R11: 0000ffff85a2d167 R12: 0000000000000000 [ 71.145600][ C0] R13: ffffffff85c2b780 R14: 0000000000000000 R15: 0000000000000000 [ 71.153587][ C0] ? debug_smp_processor_id+0x35/0x137 [ 71.159042][ C0] ? debug_smp_processor_id+0x3e/0x137 [ 71.164504][ C0] ? default_idle+0x26/0x180 [ 71.169099][ C0] arch_cpu_idle+0xa/0x10 [ 71.173437][ C0] default_idle_call+0x1e/0x40 [ 71.178201][ C0] do_idle+0x1c2/0x290 [ 71.182269][ C0] ? debug_smp_processor_id+0x43/0x137 [ 71.187729][ C0] cpu_startup_entry+0x1b/0x20 [ 71.192485][ C0] rest_init+0xec/0xf6 [ 71.196563][ C0] ? trace_event_define_fields_vector_free_moved+0xb4/0xb4 [ 71.203757][ C0] arch_call_rest_init+0x17/0x37 [ 71.208699][ C0] start_kernel+0x838/0x85e [ 71.213212][ C0] x86_64_start_reservations+0x29/0x2b [ 71.218683][ C0] x86_64_start_kernel+0x72/0x76 [ 71.223636][ C0] secondary_startup_64+0xa4/0xb0 [ 71.230031][ C0] Kernel Offset: disabled [ 71.234365][ C0] Rebooting in 86400 seconds..