Warning: Permanently added '10.128.0.24' (ECDSA) to the list of known hosts.
2019/10/14 13:45:49 fuzzer started
2019/10/14 13:45:50 dialing manager at 10.128.0.105:43961
2019/10/14 13:45:50 syscalls: 2523
2019/10/14 13:45:50 code coverage: enabled
2019/10/14 13:45:50 comparison tracing: enabled
2019/10/14 13:45:50 extra coverage: extra coverage is not supported by the kernel
2019/10/14 13:45:50 setuid sandbox: enabled
2019/10/14 13:45:50 namespace sandbox: enabled
2019/10/14 13:45:50 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/14 13:45:50 fault injection: enabled
2019/10/14 13:45:50 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/14 13:45:50 net packet injection: enabled
2019/10/14 13:45:50 net device setup: enabled
2019/10/14 13:45:50 concurrency sanitizer: enabled
syzkaller login: [ 56.584598][ C0] ==================================================================
[ 56.592850][ C0] BUG: KCSAN: data-race in __zone_watermark_ok / free_one_page
[ 56.601007][ C0]
[ 56.603334][ C0] write to 0xffff88812fffcf58 of 8 bytes by task 7286 on cpu 1:
[ 56.610949][ C0] free_one_page+0x214/0x840
[ 56.615625][ C0] __free_pages_ok+0x370/0x640
[ 56.620468][ C0] free_compound_page+0x3d/0x50
[ 56.625311][ C0] __put_compound_page+0x4e/0x70
[ 56.630237][ C0] __put_page+0x54/0xd0
[ 56.634474][ C0] skb_release_data+0x1ba/0x3a0
[ 56.639308][ C0] skb_release_all+0x44/0x60
[ 56.644138][ C0] __kfree_skb+0x1f/0x30
[ 56.648368][ C0] tcp_recvmsg+0xf59/0x1a30
[ 56.652943][ C0] inet_recvmsg+0xbb/0x250
[ 56.657335][ C0] sock_recvmsg+0x92/0xb0
[ 56.661654][ C0] sock_read_iter+0x15f/0x1e0
[ 56.666309][ C0] new_sync_read+0x389/0x4f0
[ 56.670875][ C0] __vfs_read+0xb1/0xc0
[ 56.675358][ C0]
[ 56.677670][ C0] read to 0xffff88812fffcf58 of 8 bytes by interrupt on cpu 0:
[ 56.686156][ C0] __zone_watermark_ok+0x106/0x240
[ 56.691256][ C0] get_page_from_freelist+0x629/0x2300
[ 56.696706][ C0] __alloc_pages_nodemask+0x255/0x4d0
[ 56.702054][ C0] alloc_pages_current+0xd1/0x170
[ 56.707057][ C0] skb_page_frag_refill+0x16f/0x260
[ 56.712234][ C0] try_fill_recv+0x51f/0xdc0
[ 56.716821][ C0] virtnet_poll+0x64c/0x7d0
[ 56.721320][ C0] net_rx_action+0x3ae/0xa50
[ 56.725897][ C0] __do_softirq+0x115/0x33f
[ 56.730379][ C0] irq_exit+0xbb/0xe0
[ 56.734336][ C0] do_IRQ+0xdf/0x150
[ 56.738206][ C0] ret_from_intr+0x0/0x19
[ 56.742716][ C0] native_safe_halt+0xe/0x10
[ 56.747299][ C0]
[ 56.749611][ C0] Reported by Kernel Concurrency Sanitizer on:
[ 56.755862][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.3.0+ #0
[ 56.762597][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 56.772629][ C0] ==================================================================
[ 56.780682][ C0] Kernel panic - not syncing: panic_on_warn set ...
[ 56.787249][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.3.0+ #0
[ 56.793993][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 56.804022][ C0] Call Trace:
[ 56.807285][ C0]
[ 56.810123][ C0] dump_stack+0xf5/0x159
[ 56.814353][ C0] panic+0x209/0x639
[ 56.818239][ C0] ? __do_softirq+0x115/0x33f
[ 56.822923][ C0] ? vprintk_func+0x8d/0x140
[ 56.827511][ C0] kcsan_report.cold+0xc/0x1b
[ 56.832282][ C0] __kcsan_setup_watchpoint+0x3ee/0x510
[ 56.837855][ C0] __tsan_read8+0x2c/0x30
[ 56.842164][ C0] __zone_watermark_ok+0x106/0x240
[ 56.847354][ C0] get_page_from_freelist+0x629/0x2300
[ 56.852807][ C0] ? __kcsan_setup_watchpoint+0x96/0x510
[ 56.858419][ C0] ? __tsan_read8+0x2c/0x30
[ 56.862938][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 56.869261][ C0] ? __kcsan_setup_watchpoint+0x96/0x510
[ 56.874900][ C0] __alloc_pages_nodemask+0x255/0x4d0
[ 56.880349][ C0] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 56.886660][ C0] alloc_pages_current+0xd1/0x170
[ 56.891681][ C0] skb_page_frag_refill+0x16f/0x260
[ 56.896866][ C0] try_fill_recv+0x51f/0xdc0
[ 56.901444][ C0] ? __kcsan_setup_watchpoint+0x96/0x510
[ 56.907069][ C0] virtnet_poll+0x64c/0x7d0
[ 56.911560][ C0] net_rx_action+0x3ae/0xa50
[ 56.916147][ C0] __do_softirq+0x115/0x33f
[ 56.920647][ C0] irq_exit+0xbb/0xe0
[ 56.924868][ C0] do_IRQ+0xdf/0x150
[ 56.928742][ C0] common_interrupt+0xf/0xf
[ 56.933216][ C0]
[ 56.936140][ C0] RIP: 0010:native_safe_halt+0xe/0x10
[ 56.941503][ 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
[ 56.961092][ C0] RSP: 0018:ffffffff85a03de0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffffda
[ 56.969494][ C0] RAX: 76c8b439581067a1 RBX: 0000000000000000 RCX: 00000000000003a8
[ 56.977446][ C0] RDX: 0000000000049bb0 RSI: 020c49ba5e353f7d RDI: ffffffff85a55a28
[ 56.985396][ C0] RBP: ffffffff85a03e18 R08: 0000000000000000 R09: 0000ffff85a55a2f
[ 56.993541][ C0] R10: 00000000aaaaaaab R11: ffffffff86042cc0 R12: ffffffff85a2b780
[ 57.001499][ C0] R13: ffffffff85a2b780 R14: 0000000000000000 R15: 0000000000000000
[ 57.009562][ C0] ? default_idle+0x50/0x230
[ 57.014151][ C0] arch_cpu_idle+0x1f/0x30
[ 57.018549][ C0] default_idle_call+0x1e/0x40
[ 57.023295][ C0] do_idle+0x1ea/0x2c0
[ 57.027346][ C0] ? do_idle+0xe6/0x2c0
[ 57.031492][ C0] cpu_startup_entry+0x1b/0x20
[ 57.036256][ C0] rest_init+0xec/0xf6
[ 57.040318][ C0] ? trace_event_define_fields_vector_free_moved+0xce/0xce
[ 57.047517][ C0] arch_call_rest_init+0x17/0x37
[ 57.052457][ C0] start_kernel+0x83e/0x864
[ 57.056965][ C0] x86_64_start_reservations+0x29/0x2b
[ 57.062406][ C0] x86_64_start_kernel+0x72/0x76
[ 57.067325][ C0] secondary_startup_64+0xa4/0xb0
[ 57.074153][ C0] Kernel Offset: disabled
[ 57.078497][ C0] Rebooting in 86400 seconds..