Warning: Permanently added '10.128.0.30' (ECDSA) to the list of known hosts. 2019/10/21 19:55:44 fuzzer started 2019/10/21 19:55:45 dialing manager at 10.128.0.105:39747 2019/10/21 19:55:45 syscalls: 2524 2019/10/21 19:55:45 code coverage: enabled 2019/10/21 19:55:45 comparison tracing: enabled 2019/10/21 19:55:45 extra coverage: extra coverage is not supported by the kernel 2019/10/21 19:55:45 setuid sandbox: enabled 2019/10/21 19:55:45 namespace sandbox: enabled 2019/10/21 19:55:45 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/21 19:55:45 fault injection: enabled 2019/10/21 19:55:45 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/21 19:55:45 net packet injection: enabled 2019/10/21 19:55:45 net device setup: enabled 2019/10/21 19:55:45 concurrency sanitizer: enabled gin: [ 48.409749][ T7352] ================================================================== [ 48.418780][ T7352] BUG: KCSAN: data-race in __nf_ct_refresh_acct / __nf_ct_refresh_acct [ 48.427099][ T7352] [ 48.429418][ T7352] read to 0xffff888124b2b508 of 4 bytes by interrupt on cpu 1: [ 48.436943][ T7352] __nf_ct_refresh_acct+0xd4/0x1b0 [ 48.442309][ T7352] nf_conntrack_tcp_packet+0xd40/0x3390 [ 48.448394][ T7352] nf_conntrack_in+0x410/0xa80 [ 48.453227][ T7352] ipv4_conntrack_in+0x27/0x40 [ 48.457970][ T7352] nf_hook_slow+0x83/0x160 [ 48.462373][ T7352] ip_rcv+0x12f/0x1a0 [ 48.466335][ T7352] __netif_receive_skb_one_core+0xa7/0xe0 [ 48.472577][ T7352] __netif_receive_skb+0x37/0xf0 [ 48.477596][ T7352] netif_receive_skb_internal+0x59/0x190 [ 48.483223][ T7352] napi_gro_receive+0x28f/0x330 [ 48.488860][ T7352] receive_buf+0x284/0x30b0 [ 48.493347][ T7352] virtnet_poll+0x436/0x7d0 [ 48.498011][ T7352] net_rx_action+0x3ae/0xa90 [ 48.502581][ T7352] __do_softirq+0x115/0x33f [ 48.507057][ T7352] [ 48.509646][ T7352] write to 0xffff888124b2b508 of 4 bytes by task 7352 on cpu 0: [ 48.517439][ T7352] __nf_ct_refresh_acct+0xfb/0x1b0 [ 48.522618][ T7352] nf_conntrack_tcp_packet+0xd40/0x3390 [ 48.528618][ T7352] nf_conntrack_in+0x410/0xa80 [ 48.533364][ T7352] ipv4_conntrack_local+0xbe/0x130 [ 48.539039][ T7352] nf_hook_slow+0x83/0x160 [ 48.543592][ T7352] __ip_local_out+0x1f7/0x2b0 [ 48.548383][ T7352] ip_local_out+0x31/0x90 [ 48.552724][ T7352] __ip_queue_xmit+0x3a8/0xa40 [ 48.557542][ T7352] ip_queue_xmit+0x45/0x60 [ 48.561957][ T7352] __tcp_transmit_skb+0xe81/0x1d60 [ 48.567151][ T7352] __tcp_send_ack+0x246/0x300 [ 48.571808][ T7352] tcp_send_ack+0x34/0x40 [ 48.576177][ T7352] tcp_cleanup_rbuf+0x130/0x360 [ 48.581092][ T7352] [ 48.583397][ T7352] Reported by Kernel Concurrency Sanitizer on: [ 48.589714][ T7352] CPU: 0 PID: 7352 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 48.597555][ T7352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.607697][ T7352] ================================================================== [ 48.615761][ T7352] Kernel panic - not syncing: panic_on_warn set ... [ 48.622863][ T7352] CPU: 0 PID: 7352 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 48.630443][ T7352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.640766][ T7352] Call Trace: [ 48.644049][ T7352] dump_stack+0xf5/0x159 [ 48.648283][ T7352] panic+0x210/0x640 [ 48.652222][ T7352] ? ip_queue_xmit+0x45/0x60 [ 48.656983][ T7352] ? vprintk_func+0x8d/0x140 [ 48.661593][ T7352] kcsan_report.cold+0xc/0x10 [ 48.666302][ T7352] __kcsan_setup_watchpoint+0x32e/0x4a0 [ 48.672106][ T7352] __tsan_write4+0x32/0x40 [ 48.676622][ T7352] __nf_ct_refresh_acct+0xfb/0x1b0 [ 48.681722][ T7352] nf_conntrack_tcp_packet+0xd40/0x3390 [ 48.687260][ T7352] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 48.692935][ T7352] nf_conntrack_in+0x410/0xa80 [ 48.697859][ T7352] ipv4_conntrack_local+0xbe/0x130 [ 48.702969][ T7352] nf_hook_slow+0x83/0x160 [ 48.707363][ T7352] ? nf_ct_tcp_fixup+0xe0/0xe0 [ 48.712204][ T7352] __ip_local_out+0x1f7/0x2b0 [ 48.716994][ T7352] ? constant_test_bit+0x30/0x30 [ 48.721936][ T7352] ip_local_out+0x31/0x90 [ 48.726287][ T7352] __ip_queue_xmit+0x3a8/0xa40 [ 48.731196][ T7352] ip_queue_xmit+0x45/0x60 [ 48.735683][ T7352] __tcp_transmit_skb+0xe81/0x1d60 [ 48.742006][ T7352] __tcp_send_ack+0x246/0x300 [ 48.746676][ T7352] tcp_send_ack+0x34/0x40 [ 48.750995][ T7352] tcp_cleanup_rbuf+0x130/0x360 [ 48.755837][ T7352] tcp_recvmsg+0x633/0x1a30 [ 48.760347][ T7352] inet_recvmsg+0xbb/0x250 [ 48.764744][ T7352] ? __tsan_read8+0x2c/0x30 [ 48.769227][ T7352] ? inet_sendpage+0x100/0x100 [ 48.774198][ T7352] sock_recvmsg+0x92/0xb0 [ 48.778544][ T7352] sock_read_iter+0x15f/0x1e0 [ 48.783392][ T7352] new_sync_read+0x389/0x4f0 [ 48.788344][ T7352] __vfs_read+0xb1/0xc0 [ 48.792483][ T7352] vfs_read+0x143/0x2c0 [ 48.796651][ T7352] ksys_read+0xd5/0x1b0 [ 48.801202][ T7352] __x64_sys_read+0x4c/0x60 [ 48.805808][ T7352] do_syscall_64+0xcc/0x370 [ 48.810522][ T7352] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.817120][ T7352] RIP: 0033:0x47c530 [ 48.821121][ T7352] 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 [ 48.841443][ T7352] RSP: 002b:000000c4202f97d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 48.850096][ T7352] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530 [ 48.858170][ T7352] RDX: 0000000000001000 RSI: 000000c42036e000 RDI: 0000000000000003 [ 48.866305][ T7352] RBP: 000000c4202f9830 R08: 0000000000000000 R09: 0000000000000000 [ 48.875411][ T7352] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000020 [ 48.887153][ T7352] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff [ 48.900164][ T7352] Kernel Offset: disabled [ 48.905425][ T7352] Rebooting in 86400 seconds..