Warning: Permanently added '10.128.0.149' (ECDSA) to the list of known hosts.
2019/10/14 17:53:18 fuzzer started
2019/10/14 17:53:19 dialing manager at 10.128.0.105:43961
2019/10/14 17:53:19 syscalls: 2523
2019/10/14 17:53:19 code coverage: enabled
2019/10/14 17:53:19 comparison tracing: enabled
2019/10/14 17:53:19 extra coverage: extra coverage is not supported by the kernel
2019/10/14 17:53:19 setuid sandbox: enabled
2019/10/14 17:53:19 namespace sandbox: enabled
2019/10/14 17:53:19 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/14 17:53:19 fault injection: enabled
2019/10/14 17:53:19 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/14 17:53:19 net packet injection: enabled
2019/10/14 17:53:19 net device setup: enabled
2019/10/14 17:53:19 concurrency sanitizer: enabled
syzkaller login: [ 48.713954][ C0] ==================================================================
[ 48.722088][ C0] BUG: KCSAN: data-race in __zone_watermark_ok / free_one_page
[ 48.729609][ C0]
[ 48.732009][ C0] write to 0xffff88812fffcf58 of 8 bytes by task 7231 on cpu 1:
[ 48.739811][ C0] free_one_page+0x783/0x840
[ 48.744406][ C0] __free_pages_ok+0x370/0x640
[ 48.749163][ C0] page_frag_free+0xd0/0x100
[ 48.753743][ C0] skb_free_head+0x55/0x80
[ 48.758137][ C0] skb_release_data+0x25d/0x3a0
[ 48.763049][ C0] skb_release_all+0x44/0x60
[ 48.767615][ C0] __kfree_skb+0x1f/0x30
[ 48.771831][ C0] tcp_recvmsg+0xf59/0x1a30
[ 48.776321][ C0] inet_recvmsg+0xbb/0x250
[ 48.780907][ C0] sock_recvmsg+0x92/0xb0
[ 48.785224][ C0] sock_read_iter+0x15f/0x1e0
[ 48.790081][ C0] new_sync_read+0x389/0x4f0
[ 48.794652][ C0] __vfs_read+0xb1/0xc0
[ 48.798960][ C0] vfs_read+0x143/0x2c0
[ 48.803107][ C0]
[ 48.805433][ C0] read to 0xffff88812fffcf58 of 8 bytes by interrupt on cpu 0:
[ 48.812972][ C0] __zone_watermark_ok+0x106/0x240
[ 48.818058][ C0] get_page_from_freelist+0x629/0x2300
[ 48.823685][ C0] __alloc_pages_nodemask+0x255/0x4d0
[ 48.829903][ C0] page_frag_alloc+0x11e/0x2d0
[ 48.834653][ C0] __napi_alloc_skb+0x172/0x210
[ 48.839498][ C0] page_to_skb+0x8d/0x480
[ 48.843802][ C0] receive_buf+0x17c7/0x30b0
[ 48.848380][ C0] virtnet_poll+0x436/0x7d0
[ 48.852858][ C0] net_rx_action+0x3ae/0xa50
[ 48.857426][ C0] __do_softirq+0x115/0x33f
[ 48.861926][ C0] irq_exit+0xbb/0xe0
[ 48.865884][ C0] do_IRQ+0xdf/0x150
[ 48.869767][ C0] ret_from_intr+0x0/0x19
[ 48.874063][ C0]
[ 48.876366][ C0] Reported by Kernel Concurrency Sanitizer on:
[ 48.882497][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.3.0+ #0
[ 48.889239][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 48.899279][ C0] ==================================================================
[ 48.907316][ C0] Kernel panic - not syncing: panic_on_warn set ...
[ 48.913876][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.3.0+ #0
[ 48.920608][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 48.930637][ C0] Call Trace:
[ 48.933895][ C0]
[ 48.936729][ C0] dump_stack+0xf5/0x159
[ 48.940955][ C0] panic+0x209/0x639
[ 48.944832][ C0] ? net_rx_action+0x3ae/0xa50
[ 48.949577][ C0] ? vprintk_func+0x8d/0x140
[ 48.954171][ C0] kcsan_report.cold+0xc/0x1b
[ 48.958844][ C0] __kcsan_setup_watchpoint+0x3ee/0x510
[ 48.964367][ C0] __tsan_read8+0x2c/0x30
[ 48.968691][ C0] __zone_watermark_ok+0x106/0x240
[ 48.973783][ C0] get_page_from_freelist+0x629/0x2300
[ 48.979233][ C0] ? __kcsan_setup_watchpoint+0x96/0x510
[ 48.984852][ C0] ? __tsan_read8+0x2c/0x30
[ 48.989347][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 48.995564][ C0] ? __kcsan_setup_watchpoint+0x96/0x510
[ 49.001177][ C0] __alloc_pages_nodemask+0x255/0x4d0
[ 49.006552][ C0] page_frag_alloc+0x11e/0x2d0
[ 49.011304][ C0] ? __kcsan_setup_watchpoint+0x96/0x510
[ 49.016915][ C0] __napi_alloc_skb+0x172/0x210
[ 49.021755][ C0] page_to_skb+0x8d/0x480
[ 49.026077][ C0] receive_buf+0x17c7/0x30b0
[ 49.030647][ C0] ? __tsan_write8+0x32/0x40
[ 49.035218][ C0] ? virtqueue_get_buf_ctx+0x4fd/0x5c0
[ 49.040650][ C0] ? __kcsan_setup_watchpoint+0x96/0x510
[ 49.046269][ C0] ? __kcsan_setup_watchpoint+0x96/0x510
[ 49.051897][ C0] virtnet_poll+0x436/0x7d0
[ 49.056387][ C0] net_rx_action+0x3ae/0xa50
[ 49.060963][ C0] __do_softirq+0x115/0x33f
[ 49.065465][ C0] irq_exit+0xbb/0xe0
[ 49.069455][ C0] do_IRQ+0xdf/0x150
[ 49.073354][ C0] common_interrupt+0xf/0xf
[ 49.077829][ C0]
[ 49.080750][ C0] RIP: 0010:native_safe_halt+0xe/0x10
[ 49.086102][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d 8c d2 4e 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 7c d2 4e 00 fb f4 90 55 48 89 e5 41 55 41 54 53 e8 82 78 a7 fc e8 5d 52 b9 fd 0f
[ 49.106997][ C0] RSP: 0018:ffffffff85a03de0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffffda
[ 49.115526][ C0] RAX: be76c8b439583b95 RBX: 0000000000000000 RCX: 00000000000005d8
[ 49.123483][ C0] RDX: 00000000002579c0 RSI: 020c49ba5e353f7d RDI: ffffffff85a55a28
[ 49.131435][ C0] RBP: ffffffff85a03e18 R08: 0000000000000000 R09: 0000ffff85a55a2f
[ 49.139388][ C0] R10: 00000000aaaaaaab R11: ffffffff86042cc0 R12: ffffffff85a2b780
[ 49.147342][ C0] R13: ffffffff85a2b780 R14: 0000000000000000 R15: 0000000000000000
[ 49.155318][ C0] ? default_idle+0x50/0x230
[ 49.159890][ C0] arch_cpu_idle+0x1f/0x30
[ 49.164287][ C0] default_idle_call+0x1e/0x40
[ 49.169031][ C0] do_idle+0x1ea/0x2c0
[ 49.173090][ C0] cpu_startup_entry+0x1b/0x20
[ 49.177834][ C0] rest_init+0xec/0xf6
[ 49.181894][ C0] ? trace_event_define_fields_vector_free_moved+0xce/0xce
[ 49.189080][ C0] arch_call_rest_init+0x17/0x37
[ 49.193998][ C0] start_kernel+0x83e/0x864
[ 49.198490][ C0] x86_64_start_reservations+0x29/0x2b
[ 49.203939][ C0] x86_64_start_kernel+0x72/0x76
[ 49.208879][ C0] secondary_startup_64+0xa4/0xb0
[ 49.215376][ C0] Kernel Offset: disabled
[ 49.219740][ C0] Rebooting in 86400 seconds..