Warning: Permanently added '10.128.0.185' (ECDSA) to the list of known hosts.
2020/03/12 07:38:32 fuzzer started
2020/03/12 07:38:34 dialing manager at 10.128.0.105:33965
2020/03/12 07:38:34 syscalls: 2955
2020/03/12 07:38:34 code coverage: enabled
2020/03/12 07:38:34 comparison tracing: enabled
2020/03/12 07:38:34 extra coverage: enabled
2020/03/12 07:38:34 setuid sandbox: enabled
2020/03/12 07:38:34 namespace sandbox: enabled
2020/03/12 07:38:34 Android sandbox: /sys/fs/selinux/policy does not exist
2020/03/12 07:38:34 fault injection: enabled
2020/03/12 07:38:34 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/03/12 07:38:34 net packet injection: enabled
2020/03/12 07:38:34 net device setup: enabled
2020/03/12 07:38:34 concurrency sanitizer: enabled
2020/03/12 07:38:34 devlink PCI setup: PCI device 0000:00:10.0 is not available
[ 67.216098][ T7768] KCSAN: could not find function: '_find_next_bit'
2020/03/12 07:38:38 adding functions to KCSAN blacklist: 'ext4_mark_iloc_dirty' 'generic_fillattr' '__ext4_new_inode' 'blk_mq_get_request' 'blk_mq_dispatch_rq_list' 'generic_update_time' '__snd_rawmidi_transmit_ack' 'mod_timer' 'run_timer_softirq' 'audit_log_start' 'do_nanosleep' 'ext4_writepages' '_find_next_bit' 'ext4_nonda_switch' 'shmem_file_read_iter' 'pcpu_alloc' 'add_timer' 'ktime_get_real_seconds' 'do_signal_stop' 'dst_alloc' 'ep_poll' 'kauditd_thread' 'copy_process' '__mark_inode_dirty' 'find_get_pages_range_tag' 'lruvec_lru_size' 'dd_has_work' 'ext4_free_inodes_count' 'xas_clear_mark' 'generic_write_end' 'blk_mq_sched_dispatch_requests' 'tick_sched_do_timer' 'tick_nohz_idle_stop_tick' 'shmem_getpage_gfp' 'wbt_done' 'ext4_has_free_clusters'
[ 218.915909][ C0] ==================================================================
[ 218.924150][ C0] BUG: KCSAN: data-race in timer_clear_idle / trigger_dyntick_cpu.isra.0
[ 218.932715][ C0]
[ 218.935028][ C0] write to 0xffff88812c11dbe4 of 1 bytes by task 0 on cpu 1:
[ 218.942396][ C0] timer_clear_idle+0x3d/0x50
[ 218.947154][ C0] __tick_nohz_idle_restart_tick+0x32/0x1a0
[ 218.953438][ C0] tick_nohz_idle_exit+0x19c/0x1d0
[ 218.958583][ C0] do_idle+0xac/0x290
[ 218.962560][ C0] cpu_startup_entry+0x14/0x20
[ 218.967319][ C0] start_secondary+0x164/0x1b0
[ 218.972296][ C0] secondary_startup_64+0xa4/0xb0
[ 218.977302][ C0]
[ 218.979626][ C0] read to 0xffff88812c11dbe4 of 1 bytes by interrupt on cpu 0:
[ 218.987162][ C0] trigger_dyntick_cpu.isra.0+0x6d/0xf0
[ 218.992690][ C0] mod_timer+0x50e/0x830
[ 218.996926][ C0] sk_reset_timer+0x29/0xc0
[ 219.001413][ C0] tcp_send_delayed_ack+0x1fd/0x280
[ 219.006595][ C0] __tcp_ack_snd_check+0x3bb/0x550
[ 219.011703][ C0] tcp_rcv_established+0x72b/0xee0
[ 219.016800][ C0] tcp_v4_do_rcv+0x396/0x4f0
[ 219.021390][ C0] tcp_v4_rcv+0x1bbf/0x1d80
[ 219.025966][ C0] ip_protocol_deliver_rcu+0x4b/0x410
[ 219.031357][ C0] ip_local_deliver_finish+0xf3/0x120
[ 219.036809][ C0] ip_local_deliver+0x135/0x220
[ 219.041643][ C0] ip_sublist_rcv_finish+0xf0/0x140
[ 219.046911][ C0] ip_sublist_rcv+0x3f8/0x530
[ 219.051581][ C0] ip_list_rcv+0x2f3/0x321
[ 219.056076][ C0] __netif_receive_skb_list_core+0x368/0x5c0
[ 219.062052][ C0] netif_receive_skb_list_internal+0x5c7/0x810
[ 219.068184][ C0] gro_normal_list.part.0+0x37/0xa0
[ 219.073361][ C0] gro_normal_one+0x14c/0x160
[ 219.078025][ C0] napi_gro_receive+0x27d/0x2f0
[ 219.082896][ C0] receive_buf+0x24e/0x2e20
[ 219.087400][ C0] virtnet_poll+0x343/0x790
[ 219.091943][ C0] net_rx_action+0x3ad/0xac0
[ 219.096525][ C0] __do_softirq+0x118/0x34a
[ 219.101077][ C0] irq_exit+0xb5/0xd0
[ 219.105049][ C0] do_IRQ+0x7b/0x120
[ 219.108948][ C0] ret_from_intr+0x0/0x21
[ 219.113313][ C0] native_safe_halt+0xe/0x10
[ 219.117891][ C0] default_idle+0x21/0x170
[ 219.122479][ C0] do_idle+0x1b7/0x290
[ 219.126640][ C0] cpu_startup_entry+0x14/0x20
[ 219.131399][ C0] rest_init+0xe4/0xeb
[ 219.135452][ C0] arch_call_rest_init+0x13/0x2b
[ 219.140424][ C0] start_kernel+0xcc2/0xceb
[ 219.145559][ C0] secondary_startup_64+0xa4/0xb0
[ 219.150678][ C0]
[ 219.153117][ C0] Reported by Kernel Concurrency Sanitizer on:
[ 219.159442][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc1-syzkaller #0
[ 219.167700][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 219.177766][ C0] ==================================================================
[ 219.185923][ C0] Kernel panic - not syncing: panic_on_warn set ...
[ 219.193348][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc1-syzkaller #0
[ 219.201856][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 219.212002][ C0] Call Trace:
[ 219.215274][ C0]
[ 219.218128][ C0] dump_stack+0x11d/0x187
[ 219.224528][ C0] panic+0x210/0x640
[ 219.228543][ C0] ? vprintk_func+0x89/0x13a
[ 219.233232][ C0] kcsan_report.cold+0xc/0x14
[ 219.238431][ C0] kcsan_setup_watchpoint+0x3e3/0x420
[ 219.245128][ C0] trigger_dyntick_cpu.isra.0+0x6d/0xf0
[ 219.252827][ C0] mod_timer+0x50e/0x830
[ 219.257817][ C0] sk_reset_timer+0x29/0xc0
[ 219.262409][ C0] tcp_send_delayed_ack+0x1fd/0x280
[ 219.267708][ C0] __tcp_ack_snd_check+0x3bb/0x550
[ 219.272869][ C0] ? constant_test_bit+0xd/0x30
[ 219.277728][ C0] tcp_rcv_established+0x72b/0xee0
[ 219.282850][ C0] tcp_v4_do_rcv+0x396/0x4f0
[ 219.287437][ C0] tcp_v4_rcv+0x1bbf/0x1d80
[ 219.292698][ C0] ip_protocol_deliver_rcu+0x4b/0x410
[ 219.298524][ C0] ip_local_deliver_finish+0xf3/0x120
[ 219.303903][ C0] ip_local_deliver+0x135/0x220
[ 219.308749][ C0] ? ip_protocol_deliver_rcu+0x410/0x410
[ 219.314423][ C0] ip_sublist_rcv_finish+0xf0/0x140
[ 219.320095][ C0] ip_sublist_rcv+0x3f8/0x530
[ 219.324810][ C0] ? ip_sublist_rcv+0x530/0x530
[ 219.329650][ C0] ip_list_rcv+0x2f3/0x321
[ 219.334099][ C0] ? ip_rcv+0x1b0/0x1b0
[ 219.338267][ C0] __netif_receive_skb_list_core+0x368/0x5c0
[ 219.344251][ C0] ? ktime_get_with_offset+0x1e6/0x230
[ 219.349705][ C0] netif_receive_skb_list_internal+0x5c7/0x810
[ 219.355958][ C0] gro_normal_list.part.0+0x37/0xa0
[ 219.361150][ C0] ? __write_once_size+0x7c/0x100
[ 219.366177][ C0] gro_normal_one+0x14c/0x160
[ 219.370847][ C0] napi_gro_receive+0x27d/0x2f0
[ 219.375684][ C0] receive_buf+0x24e/0x2e20
[ 219.380181][ C0] ? virtqueue_get_buf_ctx+0x4db/0x5c0
[ 219.385644][ C0] virtnet_poll+0x343/0x790
[ 219.390273][ C0] ? rcu_dynticks_curr_cpu_in_eqs+0x70/0xa0
[ 219.396292][ C0] net_rx_action+0x3ad/0xac0
[ 219.400897][ C0] __do_softirq+0x118/0x34a
[ 219.405513][ C0] irq_exit+0xb5/0xd0
[ 219.409496][ C0] do_IRQ+0x7b/0x120
[ 219.413542][ C0] common_interrupt+0xf/0xf
[ 219.418027][ C0]
[ 219.420964][ C0] RIP: 0010:native_safe_halt+0xe/0x10
[ 219.426505][ C0] Code: ff cc cc cc cc cc cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d fc 08 44 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d ec 08 44 00 fb f4 cc 41 54 55 53 e8 37 ff 9a fc e8 92 b0 b3 fd 0f 1f 44 00 00 48
[ 219.446812][ C0] RSP: 0018:ffffffff85a03e50 EFLAGS: 00000286 ORIG_RAX: ffffffffffffffda
[ 219.455218][ C0] RAX: 0000000000000000 RBX: ffffffff85a2b840 RCX: ffffffff825221d1
[ 219.463184][ C0] RDX: 0000000000000000 RSI: ffffffff825221da RDI: 0000000000000005
[ 219.471195][ C0] RBP: 0000000000000000 R08: ffffffff85a2b840 R09: 0000ffff8584b160
[ 219.479265][ C0] R10: 0000ffff85a03e38 R11: 0000ffff8584b167 R12: ffffffff85a2b840
[ 219.487234][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff85a2b840
[ 219.495226][ C0] ? debug_smp_processor_id+0x31/0x129
[ 219.500727][ C0] ? debug_smp_processor_id+0x3a/0x129
[ 219.506183][ C0] default_idle+0x21/0x170
[ 219.510706][ C0] do_idle+0x1b7/0x290
[ 219.514920][ C0] cpu_startup_entry+0x14/0x20
[ 219.519868][ C0] rest_init+0xe4/0xeb
[ 219.523924][ C0] arch_call_rest_init+0x13/0x2b
[ 219.529987][ C0] start_kernel+0xcc2/0xceb
[ 219.534553][ C0] secondary_startup_64+0xa4/0xb0
[ 219.541037][ C0] Kernel Offset: disabled
[ 219.545369][ C0] Rebooting in 86400 seconds..