Warning: Permanently added '10.128.0.71' (ECDSA) to the list of known hosts. 2020/02/01 20:16:33 fuzzer started 2020/02/01 20:16:35 dialing manager at 10.128.0.105:40209 2020/02/01 20:16:35 syscalls: 2904 2020/02/01 20:16:35 code coverage: enabled 2020/02/01 20:16:35 comparison tracing: enabled 2020/02/01 20:16:35 extra coverage: enabled 2020/02/01 20:16:35 setuid sandbox: enabled 2020/02/01 20:16:35 namespace sandbox: enabled 2020/02/01 20:16:35 Android sandbox: /sys/fs/selinux/policy does not exist 2020/02/01 20:16:35 fault injection: enabled 2020/02/01 20:16:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/02/01 20:16:35 net packet injection: enabled 2020/02/01 20:16:35 net device setup: enabled 2020/02/01 20:16:35 concurrency sanitizer: enabled 2020/02/01 20:16:35 devlink PCI setup: PCI device 0000:00:10.0 is not available syzkaller login: [ 66.611572][ T8021] KCSAN: could not find function: 'poll_schedule_timeout' [ 71.657654][ C0] ================================================================== [ 71.666075][ C0] BUG: KCSAN: data-race in __hrtimer_run_queues / hrtimer_active [ 71.674133][ C0] [ 71.676550][ C0] read to 0xffff88812c01fbd8 of 8 bytes by interrupt on cpu 1: [ 71.684298][ C0] hrtimer_active+0x84/0x1a0 [ 71.688901][ C0] task_tick_fair+0x4c/0x910 [ 71.694044][ C0] scheduler_tick+0x5f/0xf0 [ 71.698576][ C0] update_process_times+0x5a/0x80 [ 71.703646][ C0] tick_sched_handle+0x75/0x100 [ 71.708587][ C0] tick_sched_timer+0x58/0xe0 [ 71.713372][ C0] __hrtimer_run_queues+0x274/0x5f0 [ 71.718631][ C0] hrtimer_interrupt+0x22a/0x480 [ 71.723611][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 71.729109][ C0] apic_timer_interrupt+0xf/0x20 [ 71.734070][ C0] __tsan_read1+0x5d/0x100 [ 71.738498][ C0] kallsyms_expand_symbol.constprop.0+0x103/0x160 [ 71.745118][ C0] kallsyms_lookup_name+0x7f/0x120 [ 71.750229][ C0] debugfs_write+0x14b/0x2d0 [ 71.754825][ C0] full_proxy_write+0xbd/0x100 [ 71.759777][ C0] __vfs_write+0x67/0xc0 [ 71.764207][ C0] vfs_write+0x18a/0x390 [ 71.768575][ C0] ksys_write+0xd5/0x1b0 [ 71.773880][ C0] __x64_sys_write+0x4c/0x60 [ 71.778652][ C0] do_syscall_64+0xcc/0x3a0 [ 71.783258][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.789145][ C0] [ 71.791924][ C0] write to 0xffff88812c01fbd8 of 8 bytes by interrupt on cpu 0: [ 71.799570][ C0] __hrtimer_run_queues+0x1e8/0x5f0 [ 71.804776][ C0] hrtimer_interrupt+0x22a/0x480 [ 71.809806][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 71.815525][ C0] apic_timer_interrupt+0xf/0x20 [ 71.820463][ C0] native_safe_halt+0xe/0x10 [ 71.825143][ C0] arch_cpu_idle+0xa/0x10 [ 71.829517][ C0] default_idle_call+0x1e/0x40 [ 71.834305][ C0] do_idle+0x1c2/0x290 [ 71.838375][ C0] cpu_startup_entry+0x1b/0x20 [ 71.843139][ C0] rest_init+0xec/0xf6 [ 71.847412][ C0] arch_call_rest_init+0x17/0x37 [ 71.852392][ C0] start_kernel+0x838/0x85e [ 71.857384][ C0] x86_64_start_reservations+0x29/0x2b [ 71.862955][ C0] x86_64_start_kernel+0x72/0x76 [ 71.868039][ C0] secondary_startup_64+0xa4/0xb0 [ 71.873086][ C0] [ 71.875416][ C0] Reported by Kernel Concurrency Sanitizer on: [ 71.881679][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.5.0-rc1-syzkaller #0 [ 71.889889][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.900335][ C0] ================================================================== [ 71.908411][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 71.915011][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.5.0-rc1-syzkaller #0 [ 71.922892][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.932944][ C0] Call Trace: [ 71.936233][ C0] [ 71.939147][ C0] dump_stack+0x11d/0x181 [ 71.943483][ C0] panic+0x210/0x640 [ 71.947387][ C0] ? vprintk_func+0x8d/0x140 [ 71.951987][ C0] kcsan_report.cold+0xc/0xd [ 71.956592][ C0] kcsan_setup_watchpoint+0x3fe/0x460 [ 71.961975][ C0] __tsan_unaligned_write8+0xc7/0x110 [ 71.967350][ C0] __hrtimer_run_queues+0x1e8/0x5f0 [ 71.972634][ C0] ? ktime_get_update_offsets_now+0x28f/0x2f0 [ 71.978712][ C0] hrtimer_interrupt+0x22a/0x480 [ 71.983654][ C0] ? sched_clock+0x13/0x20 [ 71.988783][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 71.994513][ C0] apic_timer_interrupt+0xf/0x20 [ 71.999555][ C0] [ 72.002510][ C0] RIP: 0010:native_safe_halt+0xe/0x10 [ 72.007896][ 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 [ 72.027506][ C0] RSP: 0018:ffffffff85c03df8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 72.035924][ C0] RAX: 0000000000000000 RBX: ffffffff85c2b780 RCX: ffffffff82546c55 [ 72.043900][ C0] RDX: 0000000000000000 RSI: ffffffff82546c5e RDI: 0000000000000005 [ 72.051890][ C0] RBP: ffffffff85c03e18 R08: ffffffff85c2b780 R09: 0000ffff85a2d160 [ 72.059868][ C0] R10: 0000ffff85c03e08 R11: 0000ffff85a2d167 R12: 0000000000000000 [ 72.068093][ C0] R13: ffffffff85c2b780 R14: 0000000000000000 R15: 0000000000000000 [ 72.076424][ C0] ? debug_smp_processor_id+0x35/0x137 [ 72.081884][ C0] ? debug_smp_processor_id+0x3e/0x137 [ 72.087372][ C0] ? default_idle+0x26/0x180 [ 72.092104][ C0] arch_cpu_idle+0xa/0x10 [ 72.096446][ C0] default_idle_call+0x1e/0x40 [ 72.101215][ C0] do_idle+0x1c2/0x290 [ 72.105284][ C0] ? debug_smp_processor_id+0x43/0x137 [ 72.110741][ C0] cpu_startup_entry+0x1b/0x20 [ 72.115513][ C0] rest_init+0xec/0xf6 [ 72.119590][ C0] ? trace_event_define_fields_vector_free_moved+0xb4/0xb4 [ 72.126794][ C0] arch_call_rest_init+0x17/0x37 [ 72.131734][ C0] start_kernel+0x838/0x85e [ 72.136246][ C0] x86_64_start_reservations+0x29/0x2b [ 72.142136][ C0] x86_64_start_kernel+0x72/0x76 [ 72.147080][ C0] secondary_startup_64+0xa4/0xb0 [ 72.153404][ C0] Kernel Offset: disabled [ 72.157724][ C0] Rebooting in 86400 seconds..