Warning: Permanently added '10.128.10.17' (ECDSA) to the list of known hosts.
2020/06/03 07:20:49 fuzzer started
2020/06/03 07:20:50 dialing manager at 10.128.0.105:34577
2020/06/03 07:20:50 syscalls: 3055
2020/06/03 07:20:50 code coverage: enabled
2020/06/03 07:20:50 comparison tracing: enabled
2020/06/03 07:20:50 extra coverage: enabled
2020/06/03 07:20:50 setuid sandbox: enabled
2020/06/03 07:20:50 namespace sandbox: enabled
2020/06/03 07:20:50 Android sandbox: /sys/fs/selinux/policy does not exist
2020/06/03 07:20:50 fault injection: enabled
2020/06/03 07:20:50 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/06/03 07:20:50 net packet injection: enabled
2020/06/03 07:20:50 net device setup: enabled
2020/06/03 07:20:50 concurrency sanitizer: enabled
2020/06/03 07:20:50 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/06/03 07:20:50 USB emulation: enabled
syzkaller login: [ 55.499190][ T8899] KCSAN: could not find function: 'poll_schedule_timeout'
[ 57.974474][ T8899] KCSAN: could not find function: '_find_next_bit'
2020/06/03 07:20:56 adding functions to KCSAN blacklist: 'find_get_pages_range_tag' '__filemap_fdatawrite_range' 'dd_has_work' 'sit_tunnel_xmit' 'file_update_time' 'kauditd_thread' 'blk_mq_get_request' 'ext4_mark_iloc_dirty' 'xas_find_marked' 'decrypt_packet' 'generic_write_end' 'futex_wait_queue_me' '__writeback_single_inode' 'blk_mq_dispatch_rq_list' 'tick_nohz_idle_stop_tick' 'atime_needs_update' 'vm_area_dup' 'generic_fillattr' 'ext4_mb_good_group' 'run_timer_softirq' 'mod_timer' '__mark_inode_dirty' 'kcm_rfree' 'tick_nohz_next_event' 'poll_schedule_timeout' '__add_to_page_cache_locked' 'add_timer' 'tick_sched_do_timer' 'copy_process' 'install_new_memslots' 'blk_mq_sched_dispatch_requests' 'do_signal_stop' 'shmem_file_read_iter' '__perf_event_overflow' 'do_syslog' 'io_sq_thread' 'xas_clear_mark' 'do_nanosleep' '__ext4_new_inode' 'page_counter_charge' 'ext4_free_inodes_count' 'hrtimer_interrupt' 'ext4_da_write_end' 'pcpu_alloc' 'ep_poll' 'complete_signal' '_find_next_bit' '__get_user_pages' '__delete_from_page_cache' 'audit_log_start'
[ 267.920216][ C1] ==================================================================
[ 267.928329][ C1] BUG: KCSAN: data-race in timer_clear_idle / trigger_dyntick_cpu.isra.0
[ 267.936852][ C1]
[ 267.939164][ C1] write to 0xffff88812c01dca4 of 1 bytes by task 0 on cpu 0:
[ 267.946514][ C1] timer_clear_idle+0x3d/0x50
[ 267.951190][ C1] __tick_nohz_idle_restart_tick+0x32/0x1a0
[ 267.957063][ C1] tick_nohz_idle_exit+0x19c/0x1d0
[ 267.962164][ C1] do_idle+0xac/0x290
[ 267.966130][ C1] cpu_startup_entry+0x14/0x20
[ 267.970867][ C1] rest_init+0xe4/0xeb
[ 267.974928][ C1] arch_call_rest_init+0x13/0x2b
[ 267.979838][ C1] start_kernel+0x7fe/0x823
[ 267.984314][ C1] secondary_startup_64+0xa4/0xb0
[ 267.989301][ C1]
[ 267.991618][ C1] read to 0xffff88812c01dca4 of 1 bytes by interrupt on cpu 1:
[ 267.999141][ C1] trigger_dyntick_cpu.isra.0+0x6d/0xf0
[ 268.004670][ C1] mod_timer+0x3d7/0x830
[ 268.008886][ C1] sk_reset_timer+0x29/0xc0
[ 268.013371][ C1] tcp_send_delayed_ack+0x1fd/0x280
[ 268.018545][ C1] __tcp_ack_snd_check+0x3bb/0x550
[ 268.023637][ C1] tcp_rcv_established+0x72b/0xee0
[ 268.028722][ C1] tcp_v4_do_rcv+0x396/0x4f0
[ 268.033287][ C1] tcp_v4_rcv+0x1c55/0x1e10
[ 268.037768][ C1] ip_protocol_deliver_rcu+0x4b/0x410
[ 268.043123][ C1] ip_local_deliver_finish+0xf3/0x120
[ 268.048472][ C1] ip_local_deliver+0x135/0x220
[ 268.053301][ C1] ip_sublist_rcv_finish+0xf0/0x140
[ 268.058490][ C1] ip_sublist_rcv+0x3f8/0x530
[ 268.063143][ C1] ip_list_rcv+0x2f3/0x321
[ 268.067560][ C1] __netif_receive_skb_list_core+0x368/0x5c0
[ 268.073519][ C1] netif_receive_skb_list_internal+0x5c7/0x810
[ 268.079663][ C1] gro_normal_list.part.0+0x37/0xa0
[ 268.084835][ C1] gro_normal_one+0x14c/0x160
[ 268.089497][ C1] napi_gro_receive+0x27d/0x2f0
[ 268.094321][ C1] receive_buf+0x24c/0x3420
[ 268.098799][ C1] virtnet_poll+0x343/0x790
[ 268.103293][ C1] net_rx_action+0x3ad/0xac0
[ 268.107860][ C1] __do_softirq+0x118/0x34a
[ 268.112351][ C1] irq_exit+0xb5/0xd0
[ 268.116307][ C1] do_IRQ+0x7b/0x120
[ 268.120213][ C1] ret_from_intr+0x0/0x21
[ 268.124572][ C1] native_safe_halt+0xe/0x10
[ 268.129131][ C1] default_idle+0x21/0x170
[ 268.133526][ C1] do_idle+0x1b7/0x290
[ 268.137619][ C1] cpu_startup_entry+0x14/0x20
[ 268.142361][ C1] start_secondary+0x169/0x1b0
[ 268.147104][ C1] secondary_startup_64+0xa4/0xb0
[ 268.152094][ C1]
[ 268.154397][ C1] Reported by Kernel Concurrency Sanitizer on:
[ 268.160839][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.7.0-rc1-syzkaller #0
[ 268.168705][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 268.178738][ C1] ==================================================================
[ 268.186775][ C1] Kernel panic - not syncing: panic_on_warn set ...
[ 268.193342][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.7.0-rc1-syzkaller #0
[ 268.201218][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 268.211261][ C1] Call Trace:
[ 268.214527][ C1]
[ 268.217370][ C1] dump_stack+0x11d/0x187
[ 268.221683][ C1] panic+0x210/0x640
[ 268.225567][ C1] ? vprintk_func+0x89/0x13a
[ 268.230144][ C1] kcsan_report.cold+0xc/0x1a
[ 268.234799][ C1] kcsan_setup_watchpoint+0x3fb/0x440
[ 268.240150][ C1] trigger_dyntick_cpu.isra.0+0x6d/0xf0
[ 268.245682][ C1] mod_timer+0x3d7/0x830
[ 268.249914][ C1] sk_reset_timer+0x29/0xc0
[ 268.254396][ C1] tcp_send_delayed_ack+0x1fd/0x280
[ 268.259577][ C1] __tcp_ack_snd_check+0x3bb/0x550
[ 268.264671][ C1] ? constant_test_bit+0xd/0x30
[ 268.269498][ C1] tcp_rcv_established+0x72b/0xee0
[ 268.274590][ C1] tcp_v4_do_rcv+0x396/0x4f0
[ 268.279154][ C1] tcp_v4_rcv+0x1c55/0x1e10
[ 268.283653][ C1] ip_protocol_deliver_rcu+0x4b/0x410
[ 268.289004][ C1] ip_local_deliver_finish+0xf3/0x120
[ 268.294362][ C1] ip_local_deliver+0x135/0x220
[ 268.299189][ C1] ? ip_protocol_deliver_rcu+0x410/0x410
[ 268.304798][ C1] ip_sublist_rcv_finish+0xf0/0x140
[ 268.309971][ C1] ip_sublist_rcv+0x3f8/0x530
[ 268.314629][ C1] ? ip_sublist_rcv+0x530/0x530
[ 268.319455][ C1] ip_list_rcv+0x2f3/0x321
[ 268.323853][ C1] ? ip_rcv+0x1b0/0x1b0
[ 268.327988][ C1] __netif_receive_skb_list_core+0x368/0x5c0
[ 268.333949][ C1] ? ktime_get_with_offset+0x1e6/0x230
[ 268.339387][ C1] netif_receive_skb_list_internal+0x5c7/0x810
[ 268.345511][ C1] ? common_interrupt+0xa/0xf
[ 268.350166][ C1] gro_normal_list.part.0+0x37/0xa0
[ 268.355339][ C1] gro_normal_one+0x14c/0x160
[ 268.359990][ C1] napi_gro_receive+0x27d/0x2f0
[ 268.364815][ C1] receive_buf+0x24c/0x3420
[ 268.369297][ C1] ? virtqueue_get_buf_ctx+0x4db/0x5c0
[ 268.374753][ C1] virtnet_poll+0x343/0x790
[ 268.379234][ C1] ? rcu_dynticks_curr_cpu_in_eqs+0x70/0xa0
[ 268.385106][ C1] net_rx_action+0x3ad/0xac0
[ 268.389674][ C1] __do_softirq+0x118/0x34a
[ 268.394154][ C1] irq_exit+0xb5/0xd0
[ 268.398112][ C1] do_IRQ+0x7b/0x120
[ 268.401998][ C1] common_interrupt+0xf/0xf
[ 268.406476][ C1]
[ 268.409388][ C1] RIP: 0010:native_safe_halt+0xe/0x10
[ 268.414748][ C1] Code: ff cc cc cc cc cc cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d 0c d6 58 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d fc d5 58 00 fb f4 cc 41 54 55 53 e8 97 b2 71 fb e8 a2 21 bc fc 0f 1f 44 00 00 48
[ 268.435029][ C1] RSP: 0018:ffffc90000cd3eb0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffffde
[ 268.443417][ C1] RAX: 0000000000000001 RBX: ffff88812b797040 RCX: ffffffff8285fdf1
[ 268.451369][ C1] RDX: 0000000000000000 RSI: ffffffff8285fdfa RDI: 0000000000000005
[ 268.459338][ C1] RBP: 0000000000000001 R08: ffff88812b797040 R09: 0000ffff87047928
[ 268.467284][ C1] R10: 0000c90000cd3e98 R11: 0000ffff8704792f R12: ffff88812b797040
[ 268.475230][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88812b797040
[ 268.483189][ C1] ? debug_smp_processor_id+0x31/0x129
[ 268.488623][ C1] ? debug_smp_processor_id+0x3a/0x129
[ 268.494055][ C1] default_idle+0x21/0x170
[ 268.498447][ C1] do_idle+0x1b7/0x290
[ 268.502497][ C1] cpu_startup_entry+0x14/0x20
[ 268.507239][ C1] start_secondary+0x169/0x1b0
[ 268.511986][ C1] secondary_startup_64+0xa4/0xb0
[ 268.518379][ C1] Kernel Offset: disabled
[ 268.522693][ C1] Rebooting in 86400 seconds..