Warning: Permanently added '10.128.0.145' (ECDSA) to the list of known hosts. 2019/10/23 00:49:34 fuzzer started 2019/10/23 00:49:35 dialing manager at 10.128.0.105:33369 2019/10/23 00:49:35 syscalls: 2524 2019/10/23 00:49:35 code coverage: enabled 2019/10/23 00:49:35 comparison tracing: enabled 2019/10/23 00:49:35 extra coverage: extra coverage is not supported by the kernel 2019/10/23 00:49:35 setuid sandbox: enabled 2019/10/23 00:49:35 namespace sandbox: enabled 2019/10/23 00:49:35 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/23 00:49:35 fault injection: enabled 2019/10/23 00:49:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/23 00:49:35 net packet injection: enabled 2019/10/23 00:49:35 net device setup: enabled 2019/10/23 00:49:35 concurrency sanitizer: enabled [ 46.645559][ T7197] ================================================================== [ 46.654611][ T7197] BUG: KCSAN: data-race in __nf_ct_refresh_acct / __nf_ct_refresh_acct [ 46.663456][ T7197] [ 46.665778][ T7197] read to 0xffff8881257b2f08 of 4 bytes by interrupt on cpu 1: [ 46.675537][ T7197] __nf_ct_refresh_acct+0xd4/0x1b0 [ 46.681628][ T7197] nf_conntrack_tcp_packet+0xd40/0x3390 [ 46.688133][ T7197] nf_conntrack_in+0x410/0xa80 [ 46.693133][ T7197] ipv4_conntrack_in+0x27/0x40 [ 46.697894][ T7197] nf_hook_slow+0x83/0x160 [ 46.702300][ T7197] ip_rcv+0x12f/0x1a0 [ 46.706440][ T7197] __netif_receive_skb_one_core+0xa7/0xe0 [ 46.712156][ T7197] __netif_receive_skb+0x37/0xf0 [ 46.717089][ T7197] netif_receive_skb_internal+0x59/0x190 [ 46.723158][ T7197] napi_gro_receive+0x28f/0x330 [ 46.728000][ T7197] receive_buf+0x284/0x30b0 [ 46.732501][ T7197] virtnet_poll+0x436/0x7d0 [ 46.737114][ T7197] net_rx_action+0x3ae/0xa90 [ 46.741732][ T7197] __do_softirq+0x115/0x33f [ 46.746218][ T7197] [ 46.748537][ T7197] write to 0xffff8881257b2f08 of 4 bytes by task 7197 on cpu 0: [ 46.756174][ T7197] __nf_ct_refresh_acct+0xfb/0x1b0 [ 46.761268][ T7197] nf_conntrack_tcp_packet+0xd40/0x3390 [ 46.766800][ T7197] nf_conntrack_in+0x410/0xa80 [ 46.771545][ T7197] ipv4_conntrack_local+0xbe/0x130 [ 46.776642][ T7197] nf_hook_slow+0x83/0x160 [ 46.781048][ T7197] __ip_local_out+0x1f7/0x2b0 [ 46.785710][ T7197] ip_local_out+0x31/0x90 [ 46.790193][ T7197] __ip_queue_xmit+0x3a8/0xa40 [ 46.795152][ T7197] ip_queue_xmit+0x45/0x60 [ 46.799943][ T7197] __tcp_transmit_skb+0xe81/0x1d60 [ 46.805045][ T7197] __tcp_send_ack+0x246/0x300 [ 46.809712][ T7197] tcp_send_ack+0x34/0x40 [ 46.814035][ T7197] tcp_cleanup_rbuf+0x130/0x360 [ 46.819012][ T7197] [ 46.821456][ T7197] Reported by Kernel Concurrency Sanitizer on: [ 46.827612][ T7197] CPU: 0 PID: 7197 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 46.835102][ T7197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.845143][ T7197] ================================================================== [ 46.853197][ T7197] Kernel panic - not syncing: panic_on_warn set ... [ 46.859930][ T7197] CPU: 0 PID: 7197 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 46.867653][ T7197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.877705][ T7197] Call Trace: [ 46.880995][ T7197] dump_stack+0xf5/0x159 [ 46.885240][ T7197] panic+0x210/0x640 [ 46.889785][ T7197] ? ip_queue_xmit+0x45/0x60 [ 46.894496][ T7197] ? vprintk_func+0x8d/0x140 [ 46.899085][ T7197] kcsan_report.cold+0xc/0x10 [ 46.904746][ T7197] __kcsan_setup_watchpoint+0x32e/0x4a0 [ 46.910824][ T7197] __tsan_write4+0x32/0x40 [ 46.915229][ T7197] __nf_ct_refresh_acct+0xfb/0x1b0 [ 46.920346][ T7197] nf_conntrack_tcp_packet+0xd40/0x3390 [ 46.926160][ T7197] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 46.931842][ T7197] nf_conntrack_in+0x410/0xa80 [ 46.936595][ T7197] ipv4_conntrack_local+0xbe/0x130 [ 46.941740][ T7197] nf_hook_slow+0x83/0x160 [ 46.946142][ T7197] ? nf_ct_tcp_fixup+0xe0/0xe0 [ 46.950927][ T7197] __ip_local_out+0x1f7/0x2b0 [ 46.955776][ T7197] ? constant_test_bit+0x30/0x30 [ 46.960706][ T7197] ip_local_out+0x31/0x90 [ 46.965041][ T7197] __ip_queue_xmit+0x3a8/0xa40 [ 46.969794][ T7197] ip_queue_xmit+0x45/0x60 [ 46.974241][ T7197] __tcp_transmit_skb+0xe81/0x1d60 [ 46.979348][ T7197] __tcp_send_ack+0x246/0x300 [ 46.984024][ T7197] tcp_send_ack+0x34/0x40 [ 46.988390][ T7197] tcp_cleanup_rbuf+0x130/0x360 [ 46.993240][ T7197] tcp_recvmsg+0x633/0x1a30 [ 46.997744][ T7197] inet_recvmsg+0xbb/0x250 [ 47.002184][ T7197] ? __tsan_read8+0x2c/0x30 [ 47.006677][ T7197] ? inet_sendpage+0x100/0x100 [ 47.011438][ T7197] sock_recvmsg+0x92/0xb0 [ 47.015752][ T7197] sock_read_iter+0x15f/0x1e0 [ 47.020410][ T7197] new_sync_read+0x389/0x4f0 [ 47.024983][ T7197] __vfs_read+0xb1/0xc0 [ 47.029115][ T7197] vfs_read+0x143/0x2c0 [ 47.033262][ T7197] ksys_read+0xd5/0x1b0 [ 47.037413][ T7197] __x64_sys_read+0x4c/0x60 [ 47.042037][ T7197] do_syscall_64+0xcc/0x370 [ 47.046526][ T7197] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.052498][ T7197] RIP: 0033:0x47c530 [ 47.056385][ T7197] 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 [ 47.076011][ T7197] RSP: 002b:000000c4203a17d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 47.084403][ T7197] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530 [ 47.092355][ T7197] RDX: 0000000000001000 RSI: 000000c4203de000 RDI: 0000000000000003 [ 47.100305][ T7197] RBP: 000000c4203a1830 R08: 0000000000000000 R09: 0000000000000000 [ 47.108251][ T7197] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000005 [ 47.116214][ T7197] R13: 000000c420020a30 R14: 0000000000000002 R15: ffffffffffffffff [ 47.125069][ T7197] Kernel Offset: disabled [ 47.129395][ T7197] Rebooting in 86400 seconds..