Warning: Permanently added '10.128.1.57' (ECDSA) to the list of known hosts.
2020/05/20 10:55:24 fuzzer started
2020/05/20 10:55:25 dialing manager at 10.128.0.105:35495
2020/05/20 10:55:29 syscalls: 3055
2020/05/20 10:55:29 code coverage: enabled
2020/05/20 10:55:29 comparison tracing: enabled
2020/05/20 10:55:29 extra coverage: enabled
2020/05/20 10:55:29 setuid sandbox: enabled
2020/05/20 10:55:29 namespace sandbox: enabled
2020/05/20 10:55:29 Android sandbox: /sys/fs/selinux/policy does not exist
2020/05/20 10:55:29 fault injection: enabled
2020/05/20 10:55:29 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/05/20 10:55:29 net packet injection: enabled
2020/05/20 10:55:29 net device setup: enabled
2020/05/20 10:55:29 concurrency sanitizer: enabled
2020/05/20 10:55:29 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/05/20 10:55:29 USB emulation: enabled
[ 55.874201][ T8890] KCSAN: could not find function: '_find_next_bit'
2020/05/20 10:55:31 adding functions to KCSAN blacklist: 'generic_fillattr' 'generic_write_end' 'ep_poll' 'page_counter_charge' 'mod_timer' 'do_syslog' 'alloc_pid' 'run_timer_softirq' '_find_next_bit' '__ext4_new_inode' 'find_get_pages_range_tag' 'ext4_free_inodes_count' 'do_nanosleep' 'do_signal_stop' 'do_exit' 'blk_mq_get_request'
[ 62.695747][ C1] ==================================================================
[ 62.704061][ C1] BUG: KCSAN: data-race in tick_sched_do_timer / tick_sched_do_timer
[ 62.712098][ C1]
[ 62.714505][ C1] write to 0xffffffff8764e210 of 4 bytes by interrupt on cpu 0:
[ 62.722123][ C1] tick_sched_do_timer+0xb4/0xd0
[ 62.727036][ C1] tick_sched_timer+0x3f/0xd0
[ 62.731686][ C1] __hrtimer_run_queues+0x271/0x600
[ 62.736957][ C1] hrtimer_interrupt+0x226/0x490
[ 62.741974][ C1] smp_apic_timer_interrupt+0xd8/0x270
[ 62.747672][ C1] apic_timer_interrupt+0xf/0x20
[ 62.752582][ C1]
[ 62.754904][ C1] read to 0xffffffff8764e210 of 4 bytes by interrupt on cpu 1:
[ 62.762434][ C1] tick_sched_do_timer+0x2e/0xd0
[ 62.767349][ C1] tick_sched_timer+0x3f/0xd0
[ 62.772006][ C1] __hrtimer_run_queues+0x271/0x600
[ 62.777188][ C1] hrtimer_interrupt+0x226/0x490
[ 62.782099][ C1] smp_apic_timer_interrupt+0xd8/0x270
[ 62.787542][ C1] apic_timer_interrupt+0xf/0x20
[ 62.792470][ C1] kcsan_setup_watchpoint+0x25a/0x440
[ 62.797817][ C1] nf_hook_slow+0x103/0x160
[ 62.802297][ C1] nf_hook_slow_list+0x140/0x29f
[ 62.807223][ C1] ip_sublist_rcv+0x4f9/0x530
[ 62.811916][ C1] ip_list_rcv+0x2f3/0x321
[ 62.816321][ C1] __netif_receive_skb_list_core+0x368/0x5c0
[ 62.822285][ C1] netif_receive_skb_list_internal+0x5c7/0x810
[ 62.828426][ C1] gro_normal_list.part.0+0x37/0xa0
[ 62.833599][ C1] gro_normal_one+0x14c/0x160
[ 62.838278][ C1] napi_gro_receive+0x27d/0x2f0
[ 62.843382][ C1] receive_buf+0x24c/0x3420
[ 62.847875][ C1] virtnet_poll+0x343/0x790
[ 62.852441][ C1] net_rx_action+0x3ad/0xac0
[ 62.857154][ C1] __do_softirq+0x118/0x34a
[ 62.862030][ C1] irq_exit+0xb5/0xd0
[ 62.866052][ C1] do_IRQ+0x7b/0x120
[ 62.869959][ C1] ret_from_intr+0x0/0x21
[ 62.874360][ C1] native_safe_halt+0xe/0x10
[ 62.879016][ C1] default_idle+0x21/0x170
[ 62.883485][ C1] do_idle+0x1b7/0x290
[ 62.887557][ C1] cpu_startup_entry+0x14/0x20
[ 62.892332][ C1] start_secondary+0x169/0x1b0
[ 62.897258][ C1] secondary_startup_64+0xa4/0xb0
[ 62.902267][ C1]
[ 62.904570][ C1] Reported by Kernel Concurrency Sanitizer on:
[ 62.911087][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.7.0-rc1-syzkaller #0
[ 62.919149][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 62.930660][ C1] ==================================================================
[ 62.938971][ C1] Kernel panic - not syncing: panic_on_warn set ...
[ 62.945559][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.7.0-rc1-syzkaller #0
[ 62.953578][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 62.963617][ C1] Call Trace:
[ 62.966891][ C1]
[ 62.969731][ C1] dump_stack+0x11d/0x187
[ 62.974054][ C1] panic+0x210/0x640
[ 62.978465][ C1] ? vprintk_func+0x89/0x13a
[ 62.983648][ C1] kcsan_report.cold+0xc/0x1a
[ 62.988328][ C1] kcsan_setup_watchpoint+0x3fb/0x440
[ 62.993681][ C1] tick_sched_do_timer+0x2e/0xd0
[ 62.998596][ C1] tick_sched_timer+0x3f/0xd0
[ 63.003257][ C1] __hrtimer_run_queues+0x271/0x600
[ 63.008459][ C1] ? tick_sched_do_timer+0xd0/0xd0
[ 63.013614][ C1] hrtimer_interrupt+0x226/0x490
[ 63.018636][ C1] ? kvm_clock_read+0x14/0x30
[ 63.023297][ C1] smp_apic_timer_interrupt+0xd8/0x270
[ 63.028735][ C1] apic_timer_interrupt+0xf/0x20
[ 63.033656][ C1] RIP: 0010:kcsan_setup_watchpoint+0x25a/0x440
[ 63.039898][ C1] Code: c7 06 00 00 00 00 31 ff e8 e3 18 00 00 80 3d 4c 49 5a 07 00 75 19 48 83 3d b2 0d d1 05 00 0f 84 db 01 00 00 48 8b 3c 24 57 9d <0f> 1f 44 00 00 66 90 48 83 c4 20 5b 5d 41 5c 41 5d 41 5e 41 5f c3
[ 63.059627][ C1] RSP: 0018:ffffc90000d088b0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[ 63.068031][ C1] RAX: 00048881268bdf00 RBX: 0000000000000002 RCX: 0000000000000000
[ 63.076249][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282
[ 63.084194][ C1] RBP: 0000000000000002 R08: ffff88812b797040 R09: 00000000aaaaaaab
[ 63.092233][ C1] R10: 0000c90000d08898 R11: 00008881268bdf01 R12: ffff8881268bdf00
[ 63.100201][ C1] R13: 0000000000000000 R14: ffffffff88af0530 R15: 0000000000000000
[ 63.108286][ C1] ? apic_timer_interrupt+0xa/0x20
[ 63.113412][ C1] nf_hook_slow+0x103/0x160
[ 63.117898][ C1] nf_hook_slow_list+0x140/0x29f
[ 63.123016][ C1] ip_sublist_rcv+0x4f9/0x530
[ 63.127781][ C1] ? __sanitizer_cov_trace_switch+0x45/0x70
[ 63.133652][ C1] ? __this_cpu_preempt_check+0x3c/0x130
[ 63.139349][ C1] ? ip_sublist_rcv+0x530/0x530
[ 63.144185][ C1] ip_list_rcv+0x2f3/0x321
[ 63.148580][ C1] ? ip_rcv+0x1b0/0x1b0
[ 63.152783][ C1] __netif_receive_skb_list_core+0x368/0x5c0
[ 63.158800][ C1] ? ktime_get_with_offset+0x1e6/0x230
[ 63.164249][ C1] netif_receive_skb_list_internal+0x5c7/0x810
[ 63.170501][ C1] gro_normal_list.part.0+0x37/0xa0
[ 63.175697][ C1] ? __write_once_size+0x7c/0x100
[ 63.180704][ C1] gro_normal_one+0x14c/0x160
[ 63.185364][ C1] napi_gro_receive+0x27d/0x2f0
[ 63.190194][ C1] receive_buf+0x24c/0x3420
[ 63.194681][ C1] ? virtqueue_get_buf_ctx+0x4db/0x5c0
[ 63.201082][ C1] virtnet_poll+0x343/0x790
[ 63.205586][ C1] ? rcu_dynticks_curr_cpu_in_eqs+0x70/0xa0
[ 63.211482][ C1] net_rx_action+0x3ad/0xac0
[ 63.216075][ C1] __do_softirq+0x118/0x34a
[ 63.220556][ C1] irq_exit+0xb5/0xd0
[ 63.224535][ C1] do_IRQ+0x7b/0x120
[ 63.228416][ C1] common_interrupt+0xf/0xf
[ 63.232898][ C1]
[ 63.235852][ C1] RIP: 0010:native_safe_halt+0xe/0x10
[ 63.241367][ 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
[ 63.260965][ C1] RSP: 0018:ffffc90000cd3eb0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffffde
[ 63.269410][ C1] RAX: 0000000000000001 RBX: ffff88812b797040 RCX: ffffffff8285fdf1
[ 63.277402][ C1] RDX: 0000000000000000 RSI: ffffffff8285fdfa RDI: 0000000000000005
[ 63.285350][ C1] RBP: 0000000000000001 R08: ffff88812b797040 R09: 0000ffff87047928
[ 63.293301][ C1] R10: 0000c90000cd3e98 R11: 0000ffff8704792f R12: ffff88812b797040
[ 63.301370][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88812b797040
[ 63.309347][ C1] ? debug_smp_processor_id+0x31/0x129
[ 63.314792][ C1] ? debug_smp_processor_id+0x3a/0x129
[ 63.320228][ C1] default_idle+0x21/0x170
[ 63.324641][ C1] do_idle+0x1b7/0x290
[ 63.328685][ C1] ? debug_smp_processor_id+0x3a/0x129
[ 63.334134][ C1] cpu_startup_entry+0x14/0x20
[ 63.338890][ C1] start_secondary+0x169/0x1b0
[ 63.343891][ C1] secondary_startup_64+0xa4/0xb0
[ 63.350523][ C1] Kernel Offset: disabled
[ 63.354847][ C1] Rebooting in 86400 seconds..