Warning: Permanently added '10.128.0.219' (ECDSA) to the list of known hosts. 2019/12/08 20:44:45 fuzzer started 2019/12/08 20:44:46 dialing manager at 10.128.0.105:38631 2019/12/08 20:44:47 syscalls: 2689 2019/12/08 20:44:47 code coverage: enabled 2019/12/08 20:44:47 comparison tracing: enabled 2019/12/08 20:44:47 extra coverage: extra coverage is not supported by the kernel 2019/12/08 20:44:47 setuid sandbox: enabled 2019/12/08 20:44:47 namespace sandbox: enabled 2019/12/08 20:44:47 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/08 20:44:47 fault injection: enabled 2019/12/08 20:44:47 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/08 20:44:47 net packet injection: enabled 2019/12/08 20:44:47 net device setup: enabled 2019/12/08 20:44:47 concurrency sanitizer: enabled 2019/12/08 20:44:47 devlink PCI setup: PCI device 0000:00:10.0 is not available syzkaller login: [ 62.729961][ T7627] KCSAN: could not find function: 'poll_schedule_timeout' [ 67.782046][ C0] ================================================================== [ 67.790346][ C0] BUG: KCSAN: data-race in add_timer_on / run_local_timers [ 67.797509][ C0] [ 67.799833][ C0] read to 0xffff88812bf1b6d0 of 8 bytes by interrupt on cpu 1: [ 67.807350][ C0] run_local_timers+0x5a/0xe0 [ 67.812001][ C0] update_process_times+0x2e/0x80 [ 67.817040][ C0] tick_sched_handle+0x75/0x100 [ 67.821869][ C0] tick_sched_timer+0x58/0xe0 [ 67.826558][ C0] __hrtimer_run_queues+0x274/0x5f0 [ 67.831744][ C0] hrtimer_interrupt+0x22a/0x480 [ 67.836660][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 67.842092][ C0] apic_timer_interrupt+0xf/0x20 [ 67.847004][ C0] native_safe_halt+0xe/0x10 [ 67.851570][ C0] arch_cpu_idle+0xa/0x10 [ 67.855997][ C0] default_idle_call+0x1e/0x40 [ 67.860739][ C0] do_idle+0x1af/0x280 [ 67.864813][ C0] cpu_startup_entry+0x1b/0x20 [ 67.869659][ C0] start_secondary+0x168/0x1b0 [ 67.874402][ C0] secondary_startup_64+0xa4/0xb0 [ 67.879415][ C0] [ 67.881837][ C0] write to 0xffff88812bf1b6d0 of 8 bytes by interrupt on cpu 0: [ 67.889449][ C0] add_timer_on+0x298/0x2d0 [ 67.894047][ C0] clocksource_watchdog+0x63f/0x760 [ 67.900104][ C0] call_timer_fn+0x5f/0x2f0 [ 67.904629][ C0] run_timer_softirq+0xc0c/0xcd0 [ 67.909551][ C0] __do_softirq+0x115/0x33f [ 67.914082][ C0] irq_exit+0xbb/0xe0 [ 67.918050][ C0] smp_apic_timer_interrupt+0xe6/0x280 [ 67.923492][ C0] apic_timer_interrupt+0xf/0x20 [ 67.928411][ C0] kcsan_setup_watchpoint+0x1d4/0x460 [ 67.933759][ C0] __tsan_unaligned_write1+0xc0/0x100 [ 67.939109][ C0] kallsyms_expand_symbol.constprop.0+0xe8/0x160 [ 67.945410][ C0] kallsyms_lookup_name+0x7f/0x120 [ 67.950499][ C0] debugfs_write+0x14b/0x2d0 [ 67.955066][ C0] full_proxy_write+0xbd/0x100 [ 67.959806][ C0] __vfs_write+0x67/0xc0 [ 67.964025][ C0] vfs_write+0x18a/0x390 [ 67.968255][ C0] ksys_write+0xd5/0x1b0 [ 67.972479][ C0] __x64_sys_write+0x4c/0x60 [ 67.977047][ C0] do_syscall_64+0xcc/0x370 [ 67.981542][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.987409][ C0] [ 67.989710][ C0] Reported by Kernel Concurrency Sanitizer on: [ 67.995855][ C0] CPU: 0 PID: 7627 Comm: syz-executor Not tainted 5.4.0-syzkaller #0 [ 68.003891][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.014801][ C0] ================================================================== [ 68.022836][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 68.029398][ C0] CPU: 0 PID: 7627 Comm: syz-executor Not tainted 5.4.0-syzkaller #0 [ 68.037430][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.047461][ C0] Call Trace: [ 68.050727][ C0] [ 68.053562][ C0] dump_stack+0x11d/0x181 [ 68.057871][ C0] panic+0x210/0x640 [ 68.061743][ C0] ? vprintk_func+0x8d/0x140 [ 68.066328][ C0] kcsan_report.cold+0xc/0xd [ 68.070914][ C0] kcsan_setup_watchpoint+0x3fe/0x460 [ 68.076265][ C0] __tsan_unaligned_write8+0xc4/0x100 [ 68.081614][ C0] add_timer_on+0x298/0x2d0 [ 68.086095][ C0] clocksource_watchdog+0x63f/0x760 [ 68.091362][ C0] ? clocksource_select_watchdog+0x400/0x400 [ 68.097345][ C0] call_timer_fn+0x5f/0x2f0 [ 68.101857][ C0] ? clocksource_select_watchdog+0x400/0x400 [ 68.107817][ C0] ? clocksource_select_watchdog+0x400/0x400 [ 68.113776][ C0] run_timer_softirq+0xc0c/0xcd0 [ 68.118697][ C0] ? kvm_sched_clock_read+0x9/0x20 [ 68.123803][ C0] ? sched_clock+0x13/0x20 [ 68.128199][ C0] ? sched_clock_cpu+0x15/0xe0 [ 68.133726][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 68.139965][ C0] __do_softirq+0x115/0x33f [ 68.144453][ C0] irq_exit+0xbb/0xe0 [ 68.148428][ C0] smp_apic_timer_interrupt+0xe6/0x280 [ 68.153889][ C0] apic_timer_interrupt+0xf/0x20 [ 68.158799][ C0] [ 68.161745][ C0] RIP: 0010:kcsan_setup_watchpoint+0x1d4/0x460 [ 68.167890][ C0] Code: 01 00 00 83 fe 03 0f 85 39 ff ff ff bf 03 00 00 00 e8 20 16 00 00 48 83 3d b8 33 54 04 00 0f 84 8f 02 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 0f 1f 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d [ 68.187472][ C0] RSP: 0018:ffffc9000162bba8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 68.195967][ C0] RAX: 8002c9000162bc62 RBX: 0000000000000001 RCX: 0000000000000000 [ 68.203917][ C0] RDX: 000000000000005f RSI: ffffffff824ee317 RDI: 0000000000000286 [ 68.211888][ C0] RBP: ffffc9000162bbe0 R08: ffff88812aa820c0 R09: 00000000aaaaaaab [ 68.219836][ C0] R10: 0000000000000000 R11: 000088812aa82bdf R12: 0000000000000001 [ 68.227787][ C0] R13: ffffc9000162bc62 R14: ffffc9000162bc63 R15: ffffffff86041d80 [ 68.235750][ C0] ? debug_smp_processor_id+0x47/0x172 [ 68.241192][ C0] __tsan_unaligned_write1+0xc0/0x100 [ 68.246546][ C0] kallsyms_expand_symbol.constprop.0+0xe8/0x160 [ 68.253285][ C0] kallsyms_lookup_name+0x7f/0x120 [ 68.258390][ C0] ? __check_object_size+0x5f/0x346 [ 68.263568][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 68.269784][ C0] ? strlen+0x3b/0x60 [ 68.273758][ C0] debugfs_write+0x14b/0x2d0 [ 68.278338][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 68.284558][ C0] ? refcount_inc_not_zero_checked+0xba/0x150 [ 68.290777][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 68.297008][ C0] ? debugfs_file_get+0xae/0x1e0 [ 68.301956][ C0] full_proxy_write+0xbd/0x100 [ 68.306696][ C0] __vfs_write+0x67/0xc0 [ 68.310916][ C0] ? full_proxy_poll+0xf0/0xf0 [ 68.315665][ C0] vfs_write+0x18a/0x390 [ 68.319886][ C0] ksys_write+0xd5/0x1b0 [ 68.324109][ C0] __x64_sys_write+0x4c/0x60 [ 68.328677][ C0] do_syscall_64+0xcc/0x370 [ 68.333176][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.339051][ C0] RIP: 0033:0x4141b0 [ 68.342931][ C0] Code: b0 89 c8 f7 d8 eb ed b8 6e 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 3d bd 42 66 00 00 75 14 b8 01 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 c4 1b 00 00 c3 48 83 ec 08 e8 ca fc ff ff [ 68.362512][ C0] RSP: 002b:00007fff111770f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.370900][ C0] RAX: ffffffffffffffda RBX: 0000000000000013 RCX: 00000000004141b0 [ 68.378846][ C0] RDX: 0000000000000013 RSI: 0000000002602950 RDI: 0000000000000003 [ 68.386807][ C0] RBP: 0000000002602950 R08: 0000000000000000 R09: 0000000000000013 [ 68.394767][ C0] R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000013 [ 68.402725][ C0] R13: 0000000000000001 R14: 00007fff11177170 R15: 0000000000000000 [ 69.542681][ C0] Shutting down cpus with NMI [ 69.548701][ C0] Kernel Offset: disabled [ 69.553076][ C0] Rebooting in 86400 seconds..