Warning: Permanently added '10.128.0.43' (ECDSA) to the list of known hosts. 2020/02/05 08:04:07 fuzzer started 2020/02/05 08:04:09 dialing manager at 10.128.0.105:41149 2020/02/05 08:04:09 syscalls: 2904 2020/02/05 08:04:09 code coverage: enabled 2020/02/05 08:04:09 comparison tracing: enabled 2020/02/05 08:04:09 extra coverage: enabled 2020/02/05 08:04:09 setuid sandbox: enabled 2020/02/05 08:04:09 namespace sandbox: enabled 2020/02/05 08:04:09 Android sandbox: /sys/fs/selinux/policy does not exist 2020/02/05 08:04:09 fault injection: enabled 2020/02/05 08:04:09 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/02/05 08:04:09 net packet injection: enabled 2020/02/05 08:04:09 net device setup: enabled 2020/02/05 08:04:09 concurrency sanitizer: enabled 2020/02/05 08:04:09 devlink PCI setup: PCI device 0000:00:10.0 is not available syzkaller login: [ 75.049297][ T7966] KCSAN: could not find function: 'poll_schedule_timeout' [ 81.962399][ T0] ================================================================== [ 81.970554][ T0] BUG: KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64 [ 81.979576][ T0] [ 81.981931][ T0] write to 0xffffffff8624c7c8 of 8 bytes by interrupt on cpu 1: [ 81.989570][ T0] tick_do_update_jiffies64+0x100/0x250 [ 81.995121][ T0] tick_sched_do_timer+0xd4/0xe0 [ 82.000084][ T0] tick_sched_timer+0x43/0xe0 [ 82.004780][ T0] __hrtimer_run_queues+0x274/0x5f0 [ 82.009977][ T0] hrtimer_interrupt+0x22a/0x480 [ 82.014920][ T0] smp_apic_timer_interrupt+0xdc/0x280 [ 82.020380][ T0] apic_timer_interrupt+0xf/0x20 [ 82.025323][ T0] kcsan_setup_watchpoint+0x1d4/0x460 [ 82.030693][ T0] __tsan_read1+0xc2/0x100 [ 82.035119][ T0] kallsyms_expand_symbol.constprop.0+0x103/0x160 [ 82.041675][ T0] kallsyms_lookup_name+0x7f/0x120 [ 82.046808][ T0] debugfs_write+0x14b/0x2d0 [ 82.051416][ T0] full_proxy_write+0xbd/0x100 [ 82.056186][ T0] __vfs_write+0x67/0xc0 [ 82.060433][ T0] vfs_write+0x18a/0x390 [ 82.064686][ T0] ksys_write+0xd5/0x1b0 [ 82.068937][ T0] __x64_sys_write+0x4c/0x60 [ 82.073540][ T0] do_syscall_64+0xcc/0x3a0 [ 82.078052][ T0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.083934][ T0] [ 82.086268][ T0] read to 0xffffffff8624c7c8 of 8 bytes by task 0 on cpu 0: [ 82.093567][ T0] tick_do_update_jiffies64+0x2b/0x250 [ 82.099043][ T0] tick_irq_enter+0x139/0x1c0 [ 82.103728][ T0] irq_enter+0x4f/0x60 [ 82.107796][ T0] smp_apic_timer_interrupt+0x55/0x280 [ 82.113378][ T0] apic_timer_interrupt+0xf/0x20 [ 82.118843][ T0] native_safe_halt+0xe/0x10 [ 82.123444][ T0] arch_cpu_idle+0xa/0x10 [ 82.127780][ T0] default_idle_call+0x1e/0x40 [ 82.132552][ T0] do_idle+0x1c2/0x290 [ 82.136629][ T0] cpu_startup_entry+0x1b/0x20 [ 82.141523][ T0] rest_init+0xec/0xf6 [ 82.145606][ T0] arch_call_rest_init+0x17/0x37 [ 82.150555][ T0] start_kernel+0x838/0x85e [ 82.155113][ T0] x86_64_start_reservations+0x29/0x2b [ 82.160924][ T0] x86_64_start_kernel+0x72/0x76 [ 82.165869][ T0] secondary_startup_64+0xa4/0xb0 [ 82.170888][ T0] [ 82.174379][ T0] Reported by Kernel Concurrency Sanitizer on: [ 82.180560][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.5.0-rc1-syzkaller #0 [ 82.188456][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.198517][ T0] ================================================================== [ 82.206581][ T0] Kernel panic - not syncing: panic_on_warn set ... [ 82.213201][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.5.0-rc1-syzkaller #0 [ 82.221096][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.231184][ T0] Call Trace: [ 82.234496][ T0] [ 82.237483][ T0] dump_stack+0x11d/0x181 [ 82.241854][ T0] panic+0x210/0x640 [ 82.245757][ T0] ? vprintk_func+0x8d/0x140 [ 82.250374][ T0] kcsan_report.cold+0xc/0xd [ 82.254980][ T0] kcsan_setup_watchpoint+0x3fe/0x460 [ 82.260375][ T0] __tsan_read8+0xc6/0x100 [ 82.264805][ T0] tick_do_update_jiffies64+0x2b/0x250 [ 82.270387][ T0] tick_irq_enter+0x139/0x1c0 [ 82.275081][ T0] irq_enter+0x4f/0x60 [ 82.279148][ T0] smp_apic_timer_interrupt+0x55/0x280 [ 82.284783][ T0] apic_timer_interrupt+0xf/0x20 [ 82.289734][ T0] [ 82.292683][ T0] RIP: 0010:native_safe_halt+0xe/0x10 [ 82.298198][ T0] 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 [ 82.317821][ T0] RSP: 0018:ffffffff85c03df8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 82.326246][ T0] RAX: 0000000000000000 RBX: ffffffff85c2b780 RCX: ffffffff82546c55 [ 82.334221][ T0] RDX: 0000000000000000 RSI: ffffffff82546c5e RDI: 0000000000000005 [ 82.342806][ T0] RBP: ffffffff85c03e18 R08: ffffffff85c2b780 R09: 0000ffff85a2d160 [ 82.350932][ T0] R10: 0000ffff85c03e08 R11: 0000ffff85a2d167 R12: 0000000000000000 [ 82.358940][ T0] R13: ffffffff85c2b780 R14: 0000000000000000 R15: 0000000000000000 [ 82.366946][ T0] ? debug_smp_processor_id+0x35/0x137 [ 82.372422][ T0] ? debug_smp_processor_id+0x3e/0x137 [ 82.377900][ T0] ? default_idle+0x26/0x180 [ 82.382504][ T0] arch_cpu_idle+0xa/0x10 [ 82.386851][ T0] default_idle_call+0x1e/0x40 [ 82.391629][ T0] do_idle+0x1c2/0x290 [ 82.395710][ T0] ? debug_smp_processor_id+0x43/0x137 [ 82.401199][ T0] cpu_startup_entry+0x1b/0x20 [ 82.405976][ T0] rest_init+0xec/0xf6 [ 82.410106][ T0] ? trace_event_define_fields_vector_free_moved+0xb4/0xb4 [ 82.417316][ T0] arch_call_rest_init+0x17/0x37 [ 82.422278][ T0] start_kernel+0x838/0x85e [ 82.426799][ T0] x86_64_start_reservations+0x29/0x2b [ 82.432361][ T0] x86_64_start_kernel+0x72/0x76 [ 82.437745][ T0] secondary_startup_64+0xa4/0xb0 [ 82.497069][ T0] Kernel Offset: disabled [ 82.501588][ T0] Rebooting in 86400 seconds..