Warning: Permanently added '10.128.1.8' (ECDSA) to the list of known hosts.
2019/10/22 21:23:39 fuzzer started
2019/10/22 21:23:41 dialing manager at 10.128.0.105:33369
2019/10/22 21:23:41 syscalls: 2524
2019/10/22 21:23:41 code coverage: enabled
2019/10/22 21:23:41 comparison tracing: enabled
2019/10/22 21:23:41 extra coverage: extra coverage is not supported by the kernel
2019/10/22 21:23:41 setuid sandbox: enabled
2019/10/22 21:23:41 namespace sandbox: enabled
2019/10/22 21:23:41 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/22 21:23:41 fault injection: enabled
2019/10/22 21:23:41 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/22 21:23:41 net packet injection: enabled
2019/10/22 21:23:41 net device setup: enabled
2019/10/22 21:23:41 concurrency sanitizer: enabled
syzkaller login: [ 112.348275][ T7318] ld (7318) used greatest stack depth: 10136 bytes left
[ 112.927130][ C1] ==================================================================
[ 112.935264][ C1] BUG: KCSAN: data-race in __tcp_select_window / tcp_add_backlog
[ 112.942963][ C1]
[ 112.945280][ C1] read to 0xffff88812640012c of 4 bytes by task 7322 on cpu 0:
[ 112.952811][ C1] __tcp_select_window+0x6b/0x4d0
[ 112.957821][ C1] __tcp_transmit_skb+0x700/0x1d60
[ 112.962918][ C1] __tcp_send_ack+0x246/0x300
[ 112.967582][ C1] tcp_send_ack+0x34/0x40
[ 112.971899][ C1] tcp_cleanup_rbuf+0x130/0x360
[ 112.976752][ C1] tcp_recvmsg+0x633/0x1a30
[ 112.981245][ C1] inet_recvmsg+0xbb/0x250
[ 112.985649][ C1] sock_recvmsg+0x92/0xb0
[ 112.989965][ C1] sock_read_iter+0x15f/0x1e0
[ 112.994631][ C1] new_sync_read+0x389/0x4f0
[ 112.999244][ C1] __vfs_read+0xb1/0xc0
[ 113.003412][ C1] vfs_read+0x143/0x2c0
[ 113.007573][ C1] ksys_read+0xd5/0x1b0
[ 113.011729][ C1] __x64_sys_read+0x4c/0x60
[ 113.016223][ C1]
[ 113.018580][ C1] write to 0xffff88812640012c of 4 bytes by interrupt on cpu 1:
[ 113.027850][ C1] tcp_add_backlog+0x4a0/0xcc0
[ 113.032620][ C1] tcp_v4_rcv+0x1a60/0x1bb0
[ 113.037131][ C1] ip_protocol_deliver_rcu+0x4d/0x420
[ 113.042664][ C1] ip_local_deliver_finish+0x110/0x140
[ 113.048207][ C1] ip_local_deliver+0x133/0x210
[ 113.053042][ C1] ip_rcv_finish+0x121/0x160
[ 113.057617][ C1] ip_rcv+0x18f/0x1a0
[ 113.061599][ C1] __netif_receive_skb_one_core+0xa7/0xe0
[ 113.067324][ C1] __netif_receive_skb+0x37/0xf0
[ 113.072253][ C1] netif_receive_skb_internal+0x59/0x190
[ 113.077873][ C1] napi_gro_receive+0x28f/0x330
[ 113.082827][ C1] receive_buf+0x284/0x30b0
[ 113.087868][ C1] virtnet_poll+0x436/0x7d0
[ 113.092791][ C1]
[ 113.095136][ C1] Reported by Kernel Concurrency Sanitizer on:
[ 113.101287][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-rc3+ #0
[ 113.108379][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 113.118419][ C1] ==================================================================
[ 113.126472][ C1] Kernel panic - not syncing: panic_on_warn set ...
[ 113.133081][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-rc3+ #0
[ 113.140298][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 113.150340][ C1] Call Trace:
[ 113.153980][ C1]
[ 113.156826][ C1] dump_stack+0xf5/0x159
[ 113.161216][ C1] panic+0x210/0x640
[ 113.165122][ C1] ? __netif_receive_skb+0x37/0xf0
[ 113.170316][ C1] ? vprintk_func+0x8d/0x140
[ 113.174902][ C1] kcsan_report.cold+0xc/0x10
[ 113.179572][ C1] __kcsan_setup_watchpoint+0x32e/0x4a0
[ 113.186134][ C1] __tsan_write4+0x32/0x40
[ 113.190999][ C1] tcp_add_backlog+0x4a0/0xcc0
[ 113.195779][ C1] tcp_v4_rcv+0x1a60/0x1bb0
[ 113.200292][ C1] ? __tsan_read8+0x2c/0x30
[ 113.204797][ C1] ip_protocol_deliver_rcu+0x4d/0x420
[ 113.210439][ C1] ip_local_deliver_finish+0x110/0x140
[ 113.215892][ C1] ip_local_deliver+0x133/0x210
[ 113.220753][ C1] ? ip_protocol_deliver_rcu+0x420/0x420
[ 113.226377][ C1] ip_rcv_finish+0x121/0x160
[ 113.230959][ C1] ip_rcv+0x18f/0x1a0
[ 113.234954][ C1] ? ip_sublist_rcv+0x5e0/0x5e0
[ 113.239827][ C1] ? ip_local_deliver+0x210/0x210
[ 113.244842][ C1] __netif_receive_skb_one_core+0xa7/0xe0
[ 113.250556][ C1] __netif_receive_skb+0x37/0xf0
[ 113.255506][ C1] netif_receive_skb_internal+0x59/0x190
[ 113.261135][ C1] napi_gro_receive+0x28f/0x330
[ 113.265977][ C1] receive_buf+0x284/0x30b0
[ 113.270483][ C1] ? __tsan_write8+0x32/0x40
[ 113.275140][ C1] ? virtqueue_get_buf_ctx+0x4fd/0x5c0
[ 113.280593][ C1] ? __kcsan_setup_watchpoint+0x6b/0x4a0
[ 113.286226][ C1] ? __kcsan_setup_watchpoint+0x6b/0x4a0
[ 113.291852][ C1] virtnet_poll+0x436/0x7d0
[ 113.296408][ C1] net_rx_action+0x3ae/0xa90
[ 113.300996][ C1] __do_softirq+0x115/0x33f
[ 113.305512][ C1] irq_exit+0xbb/0xe0
[ 113.309497][ C1] do_IRQ+0xa6/0x180
[ 113.313398][ C1] common_interrupt+0xf/0xf
[ 113.317900][ C1]
[ 113.320841][ C1] RIP: 0010:native_safe_halt+0xe/0x10
[ 113.327632][ C1] Code: 90 90 90 90 90 90 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d fc b2 4b 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d ec b2 4b 00 fb f4 90 55 48 89 e5 41 55 41 54 53 e8 72 12 a4 fc e8 6d 8e b8 fd 0f
[ 113.347227][ C1] RSP: 0018:ffffc90000cd3e48 EFLAGS: 00000282 ORIG_RAX: ffffffffffffffde
[ 113.355626][ C1] RAX: eb851eb851ebd22e RBX: ffff88812b3850c0 RCX: 0000000000000737
[ 113.363591][ C1] RDX: 000000000042dd30 RSI: 020c49ba5e353f7d RDI: ffffffff85a563b8
[ 113.371562][ C1] RBP: ffffc90000cd3e80 R08: 0000000000000000 R09: 0000ffff85a563bf
[ 113.379519][ C1] R10: 00000000aaaaaaab R11: ffffffff86045cc8 R12: 0000000000000001
[ 113.387998][ C1] R13: ffff88812b3850c0 R14: 0000000000000000 R15: 0000000000000000
[ 113.395987][ C1] ? default_idle+0x50/0x230
[ 113.400583][ C1] arch_cpu_idle+0x1f/0x30
[ 113.404994][ C1] default_idle_call+0x1e/0x40
[ 113.409747][ C1] do_idle+0x1af/0x280
[ 113.413833][ C1] ? complete+0x44/0x50
[ 113.418012][ C1] cpu_startup_entry+0x1b/0x20
[ 113.422788][ C1] start_secondary+0x208/0x260
[ 113.427552][ C1] secondary_startup_64+0xa4/0xb0
[ 113.434090][ C1] Kernel Offset: disabled
[ 113.439039][ C1] Rebooting in 86400 seconds..