forked to background, child pid 3049 no interfaces have a carrier [ 64.760550][ T3050] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.781392][ T3050] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.180' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 86.846504][ T3471] ===================================================== [ 86.853654][ T3471] BUG: KMSAN: uninit-value in nf_nat_setup_info+0x628/0x4a40 [ 86.861060][ T3471] nf_nat_setup_info+0x628/0x4a40 [ 86.866224][ T3471] nfnetlink_parse_nat_setup+0xb86/0xcf0 [ 86.871896][ T3471] ctnetlink_parse_nat_setup+0xde/0x390 [ 86.877486][ T3471] ctnetlink_new_conntrack+0x1d5d/0x4240 [ 86.883150][ T3471] nfnetlink_rcv_msg+0xe0a/0xf80 [ 86.888134][ T3471] netlink_rcv_skb+0x40c/0x7e0 [ 86.892943][ T3471] nfnetlink_rcv+0x667/0x4740 [ 86.897656][ T3471] netlink_unicast+0x1093/0x1360 [ 86.902611][ T3471] netlink_sendmsg+0x14d9/0x1720 [ 86.907586][ T3471] ____sys_sendmsg+0xe11/0x12c0 [ 86.912467][ T3471] __sys_sendmsg+0x704/0x840 [ 86.917189][ T3471] __x64_sys_sendmsg+0xe2/0x120 [ 86.922081][ T3471] do_syscall_64+0x54/0xd0 [ 86.926551][ T3471] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 86.932492][ T3471] [ 86.935014][ T3471] Uninit was created at: [ 86.939318][ T3471] __alloc_pages+0xbbf/0x1090 [ 86.944249][ T3471] alloc_pages+0xa08/0xd50 [ 86.948701][ T3471] allocate_slab+0x29e/0x1b00 [ 86.953408][ T3471] ___slab_alloc+0xb52/0x1da0 [ 86.958214][ T3471] kmem_cache_alloc+0xbb3/0x11c0 [ 86.963176][ T3471] __nf_conntrack_alloc+0x232/0x7f0 [ 86.968449][ T3471] init_conntrack+0x29b/0x24c0 [ 86.973244][ T3471] nf_conntrack_in+0x1abc/0x3130 [ 86.978194][ T3471] ipv4_conntrack_in+0x68/0x80 [ 86.982980][ T3471] nf_hook_slow_list+0x358/0xb40 [ 86.987942][ T3471] ip_sublist_rcv+0x1411/0x14a0 [ 86.992857][ T3471] ip_list_rcv+0x930/0x970 [ 86.997307][ T3471] __netif_receive_skb_list_core+0xdf9/0x11f0 [ 87.003448][ T3471] __netif_receive_skb_list+0x7e3/0x940 [ 87.009013][ T3471] netif_receive_skb_list_internal+0x848/0xdc0 [ 87.015211][ T3471] napi_complete_done+0x579/0xdc0 [ 87.020258][ T3471] virtnet_poll+0x17a4/0x2340 [ 87.024953][ T3471] __napi_poll+0x14c/0xc00 [ 87.029399][ T3471] net_rx_action+0x7e2/0x1820 [ 87.034120][ T3471] __do_softirq+0x1ee/0x7c5 [ 87.038661][ T3471] [ 87.040979][ T3471] CPU: 1 PID: 3471 Comm: syz-executor142 Not tainted 5.17.0-rc4-syzkaller #0 [ 87.049758][ T3471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.059840][ T3471] ===================================================== [ 87.066802][ T3471] Disabling lock debugging due to kernel taint [ 87.073353][ T3471] Kernel panic - not syncing: kmsan.panic set ... [ 87.079788][ T3471] CPU: 1 PID: 3471 Comm: syz-executor142 Tainted: G B 5.17.0-rc4-syzkaller #0 [ 87.089980][ T3471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.100053][ T3471] Call Trace: [ 87.103365][ T3471] [ 87.106309][ T3471] dump_stack_lvl+0x1ff/0x28e [ 87.111024][ T3471] dump_stack+0x25/0x28 [ 87.115226][ T3471] panic+0x487/0xe1f [ 87.119163][ T3471] ? add_taint+0x181/0x210 [ 87.123596][ T3471] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 87.129457][ T3471] kmsan_report+0x2e6/0x2f0 [ 87.134025][ T3471] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.139877][ T3471] ? __msan_warning+0xb8/0x130 [ 87.144701][ T3471] ? nf_nat_setup_info+0x628/0x4a40 [ 87.149941][ T3471] ? nfnetlink_parse_nat_setup+0xb86/0xcf0 [ 87.155880][ T3471] ? ctnetlink_parse_nat_setup+0xde/0x390 [ 87.161749][ T3471] ? ctnetlink_new_conntrack+0x1d5d/0x4240 [ 87.167596][ T3471] ? nfnetlink_rcv_msg+0xe0a/0xf80 [ 87.172749][ T3471] ? netlink_rcv_skb+0x40c/0x7e0 [ 87.177710][ T3471] ? nfnetlink_rcv+0x667/0x4740 [ 87.182596][ T3471] ? netlink_unicast+0x1093/0x1360 [ 87.187762][ T3471] ? netlink_sendmsg+0x14d9/0x1720 [ 87.192925][ T3471] ? ____sys_sendmsg+0xe11/0x12c0 [ 87.197985][ T3471] ? __sys_sendmsg+0x704/0x840 [ 87.202781][ T3471] ? __x64_sys_sendmsg+0xe2/0x120 [ 87.207849][ T3471] ? do_syscall_64+0x54/0xd0 [ 87.212486][ T3471] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 87.218700][ T3471] ? nf_conntrack_tuple_taken+0x1d25/0x1e00 [ 87.224642][ T3471] ? kmsan_get_metadata+0x33/0x220 [ 87.229810][ T3471] ? kmsan_get_metadata+0x33/0x220 [ 87.234967][ T3471] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.240841][ T3471] ? kmsan_get_metadata+0x33/0x220 [ 87.246019][ T3471] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.251885][ T3471] __msan_warning+0xb8/0x130 [ 87.256514][ T3471] nf_nat_setup_info+0x628/0x4a40 [ 87.261612][ T3471] ? __nla_parse+0x13f/0x150 [ 87.266243][ T3471] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.272098][ T3471] nfnetlink_parse_nat_setup+0xb86/0xcf0 [ 87.277797][ T3471] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.283672][ T3471] ? nf_nat_cleanup_conntrack+0x330/0x330 [ 87.289438][ T3471] ctnetlink_parse_nat_setup+0xde/0x390 [ 87.295026][ T3471] ctnetlink_new_conntrack+0x1d5d/0x4240 [ 87.300743][ T3471] ? kmsan_get_metadata+0x33/0x220 [ 87.305922][ T3471] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.311775][ T3471] ? ctnetlink_exp_stat_cpu_dump+0xe30/0xe30 [ 87.317793][ T3471] ? ctnetlink_exp_stat_cpu_dump+0xe30/0xe30 [ 87.323803][ T3471] nfnetlink_rcv_msg+0xe0a/0xf80 [ 87.328819][ T3471] ? kmsan_get_metadata+0x33/0x220 [ 87.333993][ T3471] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.339851][ T3471] netlink_rcv_skb+0x40c/0x7e0 [ 87.344752][ T3471] ? nfnetlink_bind+0x240/0x240 [ 87.349643][ T3471] ? ns_capable+0x19a/0x230 [ 87.354179][ T3471] nfnetlink_rcv+0x667/0x4740 [ 87.358910][ T3471] ? __kmalloc_node_track_caller+0xe0c/0x1510 [ 87.365463][ T3471] ? __alloc_skb+0x545/0xf90 [ 87.370092][ T3471] ? ____sys_sendmsg+0xe11/0x12c0 [ 87.375156][ T3471] ? __sys_sendmsg+0x704/0x840 [ 87.379948][ T3471] ? __x64_sys_sendmsg+0xe2/0x120 [ 87.385035][ T3471] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 87.391158][ T3471] ? kmsan_get_metadata+0x33/0x220 [ 87.396344][ T3471] ? kmsan_get_metadata+0x33/0x220 [ 87.401498][ T3471] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.407350][ T3471] ? preempt_count_sub+0xf8/0x330 [ 87.412539][ T3471] ? memcg_slab_post_alloc_hook+0x34/0xb90 [ 87.418431][ T3471] ? kmsan_get_metadata+0x33/0x220 [ 87.423755][ T3471] ? __stack_depot_save+0x21/0x4d0 [ 87.428908][ T3471] ? kmsan_get_metadata+0x33/0x220 [ 87.434069][ T3471] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.439925][ T3471] ? __rcu_read_unlock+0x4e/0xf0 [ 87.444916][ T3471] ? __netlink_lookup+0x8eb/0x970 [ 87.449997][ T3471] ? kmsan_get_metadata+0x33/0x220 [ 87.455161][ T3471] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.461187][ T3471] ? kmsan_get_metadata+0x33/0x220 [ 87.466441][ T3471] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.472313][ T3471] ? nfnetlink_net_exit_batch+0x200/0x200 [ 87.478209][ T3471] netlink_unicast+0x1093/0x1360 [ 87.483188][ T3471] netlink_sendmsg+0x14d9/0x1720 [ 87.488180][ T3471] ____sys_sendmsg+0xe11/0x12c0 [ 87.493090][ T3471] ? netlink_getsockopt+0x11d0/0x11d0 [ 87.498603][ T3471] __sys_sendmsg+0x704/0x840 [ 87.503276][ T3471] ? up_read+0x40/0x2b0 [ 87.507491][ T3471] ? kmsan_get_metadata+0x33/0x220 [ 87.512649][ T3471] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.518526][ T3471] ? kmsan_get_metadata+0x33/0x220 [ 87.523677][ T3471] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.529537][ T3471] ? kmsan_get_metadata+0x33/0x220 [ 87.534700][ T3471] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.540559][ T3471] __x64_sys_sendmsg+0xe2/0x120 [ 87.545482][ T3471] do_syscall_64+0x54/0xd0 [ 87.549962][ T3471] ? exc_page_fault+0x76/0x150 [ 87.554751][ T3471] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 87.560704][ T3471] RIP: 0033:0x7fa69b39d0c9 [ 87.565243][ T3471] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 87.584987][ T3471] RSP: 002b:00007ffdb9066028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 87.593455][ T3471] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa69b39d0c9 [ 87.601458][ T3471] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 87.609448][ T3471] RBP: 0000000000000000 R08: 00007ffdb90661c8 R09: 00007ffdb90661c8 [ 87.617441][ T3471] R10: 00007ffdb9065aa0 R11: 0000000000000246 R12: 00007fa69b360950 [ 87.625452][ T3471] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 87.633470][ T3471] [ 87.636681][ T3471] Kernel Offset: disabled [ 87.641014][ T3471] Rebooting in 86400 seconds..