Warning: Permanently added '10.128.1.54' (ECDSA) to the list of known hosts. 2019/10/21 20:40:20 fuzzer started 2019/10/21 20:40:21 dialing manager at 10.128.0.105:39747 2019/10/21 20:40:21 syscalls: 2524 2019/10/21 20:40:21 code coverage: enabled 2019/10/21 20:40:21 comparison tracing: enabled 2019/10/21 20:40:21 extra coverage: extra coverage is not supported by the kernel 2019/10/21 20:40:21 setuid sandbox: enabled 2019/10/21 20:40:21 namespace sandbox: enabled 2019/10/21 20:40:21 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/21 20:40:21 fault injection: enabled 2019/10/21 20:40:21 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/21 20:40:21 net packet injection: enabled 2019/10/21 20:40:21 net device setup: enabled 2019/10/21 20:40:21 concurrency sanitizer: enabled syzkaller login: [ 55.535471][ T7237] ================================================================== [ 55.543590][ T7237] BUG: KCSAN: data-race in __nf_ct_refresh_acct / __nf_ct_refresh_acct [ 55.551798][ T7237] [ 55.554108][ T7237] read to 0xffff88811e7df008 of 4 bytes by interrupt on cpu 1: [ 55.561626][ T7237] __nf_ct_refresh_acct+0xd4/0x1b0 [ 55.566713][ T7237] nf_conntrack_tcp_packet+0xd40/0x3390 [ 55.572270][ T7237] nf_conntrack_in+0x410/0xa80 [ 55.577007][ T7237] ipv4_conntrack_in+0x27/0x40 [ 55.581748][ T7237] nf_hook_slow+0x83/0x160 [ 55.586138][ T7237] ip_rcv+0x12f/0x1a0 [ 55.590094][ T7237] __netif_receive_skb_one_core+0xa7/0xe0 [ 55.595788][ T7237] __netif_receive_skb+0x37/0xf0 [ 55.600701][ T7237] netif_receive_skb_internal+0x59/0x190 [ 55.606317][ T7237] napi_gro_receive+0x28f/0x330 [ 55.611143][ T7237] receive_buf+0x284/0x30b0 [ 55.615620][ T7237] virtnet_poll+0x436/0x7d0 [ 55.620101][ T7237] net_rx_action+0x3ae/0xa90 [ 55.624666][ T7237] __do_softirq+0x115/0x33f [ 55.629177][ T7237] [ 55.631484][ T7237] write to 0xffff88811e7df008 of 4 bytes by task 7237 on cpu 0: [ 55.639089][ T7237] __nf_ct_refresh_acct+0xfb/0x1b0 [ 55.644172][ T7237] nf_conntrack_tcp_packet+0xd40/0x3390 [ 55.649687][ T7237] nf_conntrack_in+0x410/0xa80 [ 55.654421][ T7237] ipv4_conntrack_local+0xbe/0x130 [ 55.659511][ T7237] nf_hook_slow+0x83/0x160 [ 55.663904][ T7237] __ip_local_out+0x1f7/0x2b0 [ 55.668553][ T7237] ip_local_out+0x31/0x90 [ 55.672857][ T7237] __ip_queue_xmit+0x3a8/0xa40 [ 55.677595][ T7237] ip_queue_xmit+0x45/0x60 [ 55.681989][ T7237] __tcp_transmit_skb+0xe81/0x1d60 [ 55.687080][ T7237] __tcp_send_ack+0x246/0x300 [ 55.691740][ T7237] tcp_send_ack+0x34/0x40 [ 55.696045][ T7237] tcp_cleanup_rbuf+0x130/0x360 [ 55.700863][ T7237] [ 55.703162][ T7237] Reported by Kernel Concurrency Sanitizer on: [ 55.709290][ T7237] CPU: 0 PID: 7237 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 55.716722][ T7237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.726753][ T7237] ================================================================== [ 55.734798][ T7237] Kernel panic - not syncing: panic_on_warn set ... [ 55.741363][ T7237] CPU: 0 PID: 7237 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 55.748799][ T7237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.758827][ T7237] Call Trace: [ 55.762099][ T7237] dump_stack+0xf5/0x159 [ 55.766316][ T7237] panic+0x210/0x640 [ 55.770189][ T7237] ? ip_queue_xmit+0x45/0x60 [ 55.774815][ T7237] ? vprintk_func+0x8d/0x140 [ 55.779414][ T7237] kcsan_report.cold+0xc/0x10 [ 55.784078][ T7237] __kcsan_setup_watchpoint+0x32e/0x4a0 [ 55.789606][ T7237] __tsan_write4+0x32/0x40 [ 55.794004][ T7237] __nf_ct_refresh_acct+0xfb/0x1b0 [ 55.799097][ T7237] nf_conntrack_tcp_packet+0xd40/0x3390 [ 55.804628][ T7237] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 55.810240][ T7237] nf_conntrack_in+0x410/0xa80 [ 55.815000][ T7237] ipv4_conntrack_local+0xbe/0x130 [ 55.820090][ T7237] nf_hook_slow+0x83/0x160 [ 55.824491][ T7237] ? nf_ct_tcp_fixup+0xe0/0xe0 [ 55.829233][ T7237] __ip_local_out+0x1f7/0x2b0 [ 55.833885][ T7237] ? constant_test_bit+0x30/0x30 [ 55.838801][ T7237] ip_local_out+0x31/0x90 [ 55.843119][ T7237] __ip_queue_xmit+0x3a8/0xa40 [ 55.847882][ T7237] ip_queue_xmit+0x45/0x60 [ 55.852279][ T7237] __tcp_transmit_skb+0xe81/0x1d60 [ 55.857388][ T7237] __tcp_send_ack+0x246/0x300 [ 55.862045][ T7237] tcp_send_ack+0x34/0x40 [ 55.866351][ T7237] tcp_cleanup_rbuf+0x130/0x360 [ 55.871179][ T7237] tcp_recvmsg+0x633/0x1a30 [ 55.875670][ T7237] inet_recvmsg+0xbb/0x250 [ 55.880062][ T7237] ? __tsan_read8+0x2c/0x30 [ 55.884543][ T7237] ? inet_sendpage+0x100/0x100 [ 55.889295][ T7237] sock_recvmsg+0x92/0xb0 [ 55.893604][ T7237] sock_read_iter+0x15f/0x1e0 [ 55.898261][ T7237] new_sync_read+0x389/0x4f0 [ 55.902832][ T7237] __vfs_read+0xb1/0xc0 [ 55.906969][ T7237] vfs_read+0x143/0x2c0 [ 55.911106][ T7237] ksys_read+0xd5/0x1b0 [ 55.915340][ T7237] __x64_sys_read+0x4c/0x60 [ 55.919838][ T7237] do_syscall_64+0xcc/0x370 [ 55.924327][ T7237] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.930199][ T7237] RIP: 0033:0x47c530 [ 55.934115][ T7237] 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 [ 55.953724][ T7237] RSP: 002b:000000c4202137d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 55.962108][ T7237] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530 [ 55.970061][ T7237] RDX: 0000000000001000 RSI: 000000c420160000 RDI: 0000000000000003 [ 55.978016][ T7237] RBP: 000000c420213830 R08: 0000000000000000 R09: 0000000000000000 [ 55.985972][ T7237] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000004 [ 55.993923][ T7237] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff [ 56.003105][ T7237] Kernel Offset: disabled [ 56.007423][ T7237] Rebooting in 86400 seconds..