Warning: Permanently added '10.128.1.36' (ECDSA) to the list of known hosts. 2020/12/07 21:05:38 fuzzer started 2020/12/07 21:05:38 dialing manager at 10.128.0.105:43441 2020/12/07 21:05:40 syscalls: 3456 2020/12/07 21:05:40 code coverage: enabled 2020/12/07 21:05:40 comparison tracing: enabled 2020/12/07 21:05:40 extra coverage: enabled 2020/12/07 21:05:40 setuid sandbox: enabled 2020/12/07 21:05:40 namespace sandbox: enabled 2020/12/07 21:05:40 Android sandbox: /sys/fs/selinux/policy does not exist 2020/12/07 21:05:40 fault injection: enabled 2020/12/07 21:05:40 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/12/07 21:05:40 net packet injection: enabled 2020/12/07 21:05:40 net device setup: enabled 2020/12/07 21:05:40 concurrency sanitizer: enabled 2020/12/07 21:05:40 devlink PCI setup: PCI device 0000:00:10.0 is not available 2020/12/07 21:05:40 USB emulation: enabled 2020/12/07 21:05:40 hci packet injection: enabled 2020/12/07 21:05:40 wifi device emulation: enabled 2020/12/07 21:05:42 suppressing KCSAN reports in functions: '__xa_clear_mark' 'wg_packet_decrypt_worker' 'blk_mq_sched_dispatch_requests' '__mod_timer' 'do_sys_poll' 'n_tty_receive_buf_common' 'xas_clear_mark' '__ext4_new_inode' 'do_nanosleep' 'ext4_free_inode' 'generic_write_end' 'blk_mq_rq_ctx_init' 'do_select' 'exit_mm' 'dd_has_work' '__delete_from_page_cache' 'blk_mq_dispatch_rq_list' 'find_get_pages_range_tag' 'alloc_pid' '__io_cqring_fill_event' '__ext4_update_other_inode_time' 'do_signal_stop' 'ext4_free_inodes_count' [ 44.506770][ T0] ================================================================== [ 44.514889][ T0] BUG: KCSAN: data-race in tick_nohz_next_event / tick_sched_timer [ 44.522751][ T0] [ 44.525072][ T0] write to 0xffffffff86fc1ad0 of 4 bytes by interrupt on cpu 1: [ 44.532678][ T0] tick_sched_timer+0x1f5/0x210 [ 44.537505][ T0] __run_hrtimer+0x133/0x420 [ 44.542068][ T0] hrtimer_interrupt+0x36e/0xa10 [ 44.546979][ T0] __sysvec_apic_timer_interrupt+0x6f/0x200 [ 44.552857][ T0] asm_call_irq_on_stack+0xf/0x20 [ 44.557854][ T0] sysvec_apic_timer_interrupt+0x52/0x90 [ 44.563459][ T0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 44.569424][ T0] kcsan_setup_watchpoint+0x1ec/0x4d0 [ 44.574782][ T0] nf_conntrack_tcp_packet+0x1d21/0x28f0 [ 44.580382][ T0] nf_conntrack_in+0x50c/0xad4 [ 44.585131][ T0] ipv4_conntrack_in+0x19/0x20 [ 44.589866][ T0] nf_hook_slow_list+0x133/0x340 [ 44.594792][ T0] ip_sublist_rcv+0x56f/0x590 [ 44.599440][ T0] ip_list_rcv+0x262/0x290 [ 44.603843][ T0] __netif_receive_skb_list_core+0x34b/0x450 [ 44.609816][ T0] __netif_receive_skb_list+0x262/0x2e0 [ 44.615362][ T0] netif_receive_skb_list_internal+0xda/0x330 [ 44.621400][ T0] napi_complete_done+0x1b2/0x420 [ 44.626419][ T0] virtqueue_napi_complete+0x28/0x80 [ 44.631678][ T0] virtnet_poll+0x607/0x730 [ 44.636153][ T0] napi_poll+0x178/0x4c0 [ 44.640367][ T0] net_rx_action+0x17a/0x480 [ 44.644929][ T0] __do_softirq+0x12c/0x2b1 [ 44.649420][ T0] run_ksoftirqd+0x13/0x20 [ 44.653816][ T0] smpboot_thread_fn+0x34f/0x520 [ 44.658738][ T0] kthread+0x1fd/0x220 [ 44.662802][ T0] ret_from_fork+0x1f/0x30 [ 44.667185][ T0] [ 44.669502][ T0] read to 0xffffffff86fc1ad0 of 4 bytes by task 0 on cpu 0: [ 44.676769][ T0] tick_nohz_next_event+0x217/0x300 [ 44.681950][ T0] tick_nohz_get_sleep_length+0x121/0x270 [ 44.687641][ T0] menu_select+0x2fa/0xf40 [ 44.692044][ T0] cpuidle_select+0x3d/0x50 [ 44.696530][ T0] do_idle+0x15f/0x230 [ 44.700594][ T0] cpu_startup_entry+0x15/0x20 [ 44.705342][ T0] rest_init+0xd7/0xe0 [ 44.709398][ T0] arch_call_rest_init+0xa/0xb [ 44.714141][ T0] start_kernel+0x5a0/0x625 [ 44.718618][ T0] secondary_startup_64_no_verify+0xb0/0xbb [ 44.724488][ T0] [ 44.726786][ T0] Reported by Kernel Concurrency Sanitizer on: [ 44.732922][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.0-rc7-syzkaller #0 [ 44.740883][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.751052][ T0] ================================================================== [ 44.759090][ T0] Kernel panic - not syncing: panic_on_warn set ... [ 44.765652][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.0-rc7-syzkaller #0 [ 44.773722][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.783774][ T0] Call Trace: [ 44.787043][ T0] dump_stack+0x116/0x15d [ 44.791361][ T0] panic+0x1e7/0x5fa [ 44.795238][ T0] ? vprintk_emit+0x2f2/0x370 [ 44.799887][ T0] kcsan_report+0x67b/0x680 [ 44.804363][ T0] ? kcsan_setup_watchpoint+0x46a/0x4d0 [ 44.809878][ T0] ? tick_nohz_next_event+0x217/0x300 [ 44.815245][ T0] ? tick_nohz_get_sleep_length+0x121/0x270 [ 44.821210][ T0] ? menu_select+0x2fa/0xf40 [ 44.825785][ T0] ? cpuidle_select+0x3d/0x50 [ 44.830436][ T0] ? do_idle+0x15f/0x230 [ 44.834664][ T0] ? cpu_startup_entry+0x15/0x20 [ 44.839586][ T0] ? rest_init+0xd7/0xe0 [ 44.843825][ T0] ? arch_call_rest_init+0xa/0xb [ 44.848735][ T0] ? start_kernel+0x5a0/0x625 [ 44.853399][ T0] ? secondary_startup_64_no_verify+0xb0/0xbb [ 44.859442][ T0] ? _raw_spin_lock_irqsave+0x25/0x90 [ 44.864788][ T0] kcsan_setup_watchpoint+0x46a/0x4d0 [ 44.870145][ T0] tick_nohz_next_event+0x217/0x300 [ 44.875321][ T0] tick_nohz_get_sleep_length+0x121/0x270 [ 44.881013][ T0] menu_select+0x2fa/0xf40 [ 44.885399][ T0] ? _raw_spin_unlock_irq+0x22/0x40 [ 44.890569][ T0] ? finish_task_switch+0x81/0x280 [ 44.895662][ T0] cpuidle_select+0x3d/0x50 [ 44.900138][ T0] do_idle+0x15f/0x230 [ 44.904188][ T0] cpu_startup_entry+0x15/0x20 [ 44.908937][ T0] rest_init+0xd7/0xe0 [ 44.913414][ T0] ? time_init+0xc/0xc [ 44.917453][ T0] arch_call_rest_init+0xa/0xb [ 44.922191][ T0] start_kernel+0x5a0/0x625 [ 44.926667][ T0] secondary_startup_64_no_verify+0xb0/0xbb [ 44.933005][ T0] Kernel Offset: disabled [ 44.937324][ T0] Rebooting in 86400 seconds..