Warning: Permanently added '10.128.0.214' (ECDSA) to the list of known hosts.
2019/11/12 08:31:48 fuzzer started
2019/11/12 08:31:50 dialing manager at 10.128.0.105:45453
2019/11/12 08:31:50 syscalls: 2566
2019/11/12 08:31:50 code coverage: enabled
2019/11/12 08:31:50 comparison tracing: enabled
2019/11/12 08:31:50 extra coverage: extra coverage is not supported by the kernel
2019/11/12 08:31:50 setuid sandbox: enabled
2019/11/12 08:31:50 namespace sandbox: enabled
2019/11/12 08:31:50 Android sandbox: /sys/fs/selinux/policy does not exist
2019/11/12 08:31:50 fault injection: enabled
2019/11/12 08:31:50 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/11/12 08:31:50 net packet injection: enabled
2019/11/12 08:31:50 net device setup: enabled
2019/11/12 08:31:50 concurrency sanitizer: enabled
2019/11/12 08:31:50 devlink PCI setup: PCI device 0000:00:10.0 is not available
2019/11/12 08:31:51 adding functions to KCSAN blacklist: 'tcp_add_backlog' 'tomoyo_supervisor' 'pipe_poll' 'ep_poll' '__hrtimer_run_queues' 'generic_file_read_iter' 'find_next_bit' 'blk_mq_dispatch_rq_list'
syzkaller login: [ 57.966372][ C1] ==================================================================
[ 57.974655][ C1] BUG: KCSAN: data-race in tick_sched_do_timer / tick_sched_do_timer
[ 57.982713][ C1]
[ 57.985061][ C1] read to 0xffffffff85cb3c90 of 4 bytes by interrupt on cpu 0:
[ 57.992640][ C1] tick_sched_do_timer+0x33/0xe0
[ 57.997596][ C1] tick_sched_timer+0x43/0xe0
[ 58.002272][ C1] __hrtimer_run_queues+0x274/0x5f0
[ 58.007470][ C1] hrtimer_interrupt+0x22a/0x480
[ 58.012404][ C1] smp_apic_timer_interrupt+0xdc/0x280
[ 58.017861][ C1] apic_timer_interrupt+0xf/0x20
[ 58.022801][ C1] __tsan_read8+0x61/0x100
[ 58.027215][ C1] nf_conntrack_in+0x20c/0xa80
[ 58.032481][ C1] ipv4_conntrack_in+0x27/0x40
[ 58.037250][ C1] nf_hook_slow+0x83/0x160
[ 58.041668][ C1] ip_rcv+0x12f/0x1a0
[ 58.045651][ C1] __netif_receive_skb_one_core+0xa7/0xe0
[ 58.051373][ C1] __netif_receive_skb+0x37/0xf0
[ 58.056311][ C1] netif_receive_skb_internal+0x59/0x190
[ 58.061943][ C1] napi_gro_receive+0x28f/0x330
[ 58.066796][ C1] receive_buf+0x284/0x30b0
[ 58.071295][ C1] virtnet_poll+0x436/0x7d0
[ 58.075778][ C1] net_rx_action+0x3ae/0xa90
[ 58.080410][ C1] __do_softirq+0x115/0x33f
[ 58.084936][ C1] run_ksoftirqd+0x46/0x60
[ 58.089347][ C1] smpboot_thread_fn+0x37d/0x4a0
[ 58.094272][ C1] kthread+0x1d4/0x200
[ 58.098328][ C1] ret_from_fork+0x1f/0x30
[ 58.102715][ C1]
[ 58.105054][ C1] write to 0xffffffff85cb3c90 of 4 bytes by interrupt on cpu 1:
[ 58.112689][ C1] tick_sched_do_timer+0xc0/0xe0
[ 58.117741][ C1] tick_sched_timer+0x43/0xe0
[ 58.122405][ C1] __hrtimer_run_queues+0x274/0x5f0
[ 58.127696][ C1] hrtimer_interrupt+0x22a/0x480
[ 58.132646][ C1] smp_apic_timer_interrupt+0xdc/0x280
[ 58.138087][ C1] apic_timer_interrupt+0xf/0x20
[ 58.143017][ C1]
[ 58.145350][ C1] Reported by Kernel Concurrency Sanitizer on:
[ 58.151483][ C1] CPU: 1 PID: 7563 Comm: syz-fuzzer Not tainted 5.4.0-rc7+ #0
[ 58.158914][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 58.168947][ C1] ==================================================================
[ 58.177074][ C1] Kernel panic - not syncing: panic_on_warn set ...
[ 58.183654][ C1] CPU: 1 PID: 7563 Comm: syz-fuzzer Not tainted 5.4.0-rc7+ #0
[ 58.191096][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 58.201126][ C1] Call Trace:
[ 58.204389][ C1]
[ 58.207228][ C1] dump_stack+0x11d/0x181
[ 58.211539][ C1] panic+0x210/0x640
[ 58.215436][ C1] ? vprintk_func+0x8d/0x140
[ 58.220152][ C1] kcsan_report.cold+0xc/0x1a
[ 58.224824][ C1] kcsan_setup_watchpoint+0x3fe/0x460
[ 58.230293][ C1] __tsan_unaligned_write4+0xc4/0x100
[ 58.235670][ C1] tick_sched_do_timer+0xc0/0xe0
[ 58.240592][ C1] tick_sched_timer+0x43/0xe0
[ 58.245250][ C1] __hrtimer_run_queues+0x274/0x5f0
[ 58.250452][ C1] ? tick_sched_handle+0x100/0x100
[ 58.257468][ C1] hrtimer_interrupt+0x22a/0x480
[ 58.262393][ C1] smp_apic_timer_interrupt+0xdc/0x280
[ 58.267830][ C1] ? smp_reschedule_interrupt+0x71/0x1d0
[ 58.273900][ C1] apic_timer_interrupt+0xf/0x20
[ 58.278934][ C1]
[ 58.281860][ C1] RIP: 0033:0x6099d9
[ 58.285763][ C1] Code: cc 64 48 8b 0c 25 f8 ff ff ff 48 3b 61 10 0f 86 b4 01 00 00 48 83 ec 38 48 89 6c 24 30 48 8d 6c 24 30 48 8b 44 24 48 48 8b 10 b6 00 00 00 48 8b 44 24 48 48 8b 54 24 20 48 8b 5c 24 40 48 8b
[ 58.305454][ C1] RSP: 002b:000000c4204efa40 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
[ 58.320269][ C1] RAX: 000000c4204b4028 RBX: 0000000000008000 RCX: 000000c42006ed80
[ 58.328219][ C1] RDX: 000000000000000f RSI: 00000000000037ff RDI: 00000000000000e2
[ 58.336748][ C1] RBP: 000000c4204efa70 R08: 000000c4204be000 R09: 0000000000000023
[ 58.344717][ C1] R10: 00000000ffffffff R11: 0000000000003b68 R12: 0000000000000008
[ 58.352683][ C1] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff
[ 58.362110][ C1] Kernel Offset: disabled
[ 58.366441][ C1] Rebooting in 86400 seconds..