Warning: Permanently added '10.128.10.59' (ECDSA) to the list of known hosts.
2019/10/22 16:42:55 fuzzer started
2019/10/22 16:42:57 dialing manager at 10.128.0.105:33369
2019/10/22 16:42:57 syscalls: 2524
2019/10/22 16:42:57 code coverage: enabled
2019/10/22 16:42:57 comparison tracing: enabled
2019/10/22 16:42:57 extra coverage: extra coverage is not supported by the kernel
2019/10/22 16:42:57 setuid sandbox: enabled
2019/10/22 16:42:57 namespace sandbox: enabled
2019/10/22 16:42:57 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/22 16:42:57 fault injection: enabled
2019/10/22 16:42:57 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/22 16:42:57 net packet injection: enabled
2019/10/22 16:42:57 net device setup: enabled
2019/10/22 16:42:57 concurrency sanitizer: enabled
syzkaller login: [   49.412841][ T7268] ==================================================================
[   49.421006][ T7268] BUG: KCSAN: data-race in tcp_add_backlog / tcp_recvmsg
[   49.428016][ T7268] 
[   49.430344][ T7268] write to 0xffff88812938e9f8 of 8 bytes by interrupt on cpu 0:
[   49.438024][ T7268]  tcp_add_backlog+0x45a/0xcc0
[   49.442872][ T7268]  tcp_v4_rcv+0x1a60/0x1bb0
[   49.447394][ T7268]  ip_protocol_deliver_rcu+0x4d/0x420
[   49.452745][ T7268]  ip_local_deliver_finish+0x110/0x140
[   49.458191][ T7268]  ip_local_deliver+0x133/0x210
[   49.463029][ T7268]  ip_rcv_finish+0x121/0x160
[   49.467596][ T7268]  ip_rcv+0x18f/0x1a0
[   49.471567][ T7268]  __netif_receive_skb_one_core+0xa7/0xe0
[   49.477280][ T7268]  __netif_receive_skb+0x37/0xf0
[   49.482238][ T7268]  netif_receive_skb_internal+0x59/0x190
[   49.487910][ T7268]  napi_gro_receive+0x28f/0x330
[   49.492803][ T7268]  receive_buf+0x284/0x30b0
[   49.497287][ T7268]  virtnet_poll+0x436/0x7d0
[   49.501770][ T7268]  net_rx_action+0x3ae/0xa90
[   49.506333][ T7268] 
[   49.508663][ T7268] read to 0xffff88812938e9f8 of 8 bytes by task 7268 on cpu 1:
[   49.516189][ T7268]  tcp_recvmsg+0x470/0x1a30
[   49.520683][ T7268]  inet_recvmsg+0xbb/0x250
[   49.525079][ T7268]  sock_recvmsg+0x92/0xb0
[   49.529384][ T7268]  sock_read_iter+0x15f/0x1e0
[   49.534037][ T7268]  new_sync_read+0x389/0x4f0
[   49.538626][ T7268]  __vfs_read+0xb1/0xc0
[   49.542757][ T7268]  vfs_read+0x143/0x2c0
[   49.546887][ T7268]  ksys_read+0xd5/0x1b0
[   49.551032][ T7268]  __x64_sys_read+0x4c/0x60
[   49.555513][ T7268]  do_syscall_64+0xcc/0x370
[   49.560006][ T7268]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   49.565877][ T7268] 
[   49.568182][ T7268] Reported by Kernel Concurrency Sanitizer on:
[   49.574316][ T7268] CPU: 1 PID: 7268 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   49.581752][ T7268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   49.591783][ T7268] ==================================================================
[   49.601210][ T7268] Kernel panic - not syncing: panic_on_warn set ...
[   49.607862][ T7268] CPU: 1 PID: 7268 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   49.615287][ T7268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   49.625318][ T7268] Call Trace:
[   49.628602][ T7268]  dump_stack+0xf5/0x159
[   49.632835][ T7268]  panic+0x210/0x640
[   49.636722][ T7268]  ? __x64_sys_read+0x4c/0x60
[   49.641377][ T7268]  ? vprintk_func+0x8d/0x140
[   49.645946][ T7268]  kcsan_report.cold+0xc/0x10
[   49.650603][ T7268]  __kcsan_setup_watchpoint+0x32e/0x4a0
[   49.656138][ T7268]  __tsan_read8+0x2c/0x30
[   49.660485][ T7268]  tcp_recvmsg+0x470/0x1a30
[   49.664973][ T7268]  inet_recvmsg+0xbb/0x250
[   49.669386][ T7268]  ? __tsan_read8+0x2c/0x30
[   49.673865][ T7268]  ? inet_sendpage+0x100/0x100
[   49.678610][ T7268]  sock_recvmsg+0x92/0xb0
[   49.682930][ T7268]  sock_read_iter+0x15f/0x1e0
[   49.687595][ T7268]  new_sync_read+0x389/0x4f0
[   49.692175][ T7268]  __vfs_read+0xb1/0xc0
[   49.696321][ T7268]  vfs_read+0x143/0x2c0
[   49.700816][ T7268]  ksys_read+0xd5/0x1b0
[   49.704952][ T7268]  __x64_sys_read+0x4c/0x60
[   49.709432][ T7268]  do_syscall_64+0xcc/0x370
[   49.713922][ T7268]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   49.719790][ T7268] RIP: 0033:0x47c530
[   49.723665][ T7268] Code: 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 49 c7 c2 00 00 00 00 49 c7 c0 00 00 00 00 49 c7 c1 00 00 00 00 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30
[   49.743298][ T7268] RSP: 002b:000000c4201bb7d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000
[   49.751688][ T7268] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   49.759647][ T7268] RDX: 0000000000001000 RSI: 000000c420052000 RDI: 0000000000000003
[   49.767716][ T7268] RBP: 000000c4201bb830 R08: 0000000000000000 R09: 0000000000000000
[   49.775677][ T7268] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000100
[   49.783625][ T7268] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff
[   49.792905][ T7268] Kernel Offset: disabled
[   49.797234][ T7268] Rebooting in 86400 seconds..