forked to background, child pid 3049 no interfaces have a carrier [ 63.296813][ T3050] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.334053][ T3050] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.161' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 87.079594][ T3470] ===================================================== [ 87.086636][ T3470] BUG: KMSAN: uninit-value in nf_nat_setup_info+0x628/0x4a40 [ 87.094057][ T3470] nf_nat_setup_info+0x628/0x4a40 [ 87.099105][ T3470] nfnetlink_parse_nat_setup+0xb86/0xcf0 [ 87.104846][ T3470] ctnetlink_parse_nat_setup+0xde/0x390 [ 87.110407][ T3470] ctnetlink_new_conntrack+0x1d5d/0x4240 [ 87.116050][ T3470] nfnetlink_rcv_msg+0xe0a/0xf80 [ 87.121013][ T3470] netlink_rcv_skb+0x40c/0x7e0 [ 87.125790][ T3470] nfnetlink_rcv+0x667/0x4740 [ 87.130486][ T3470] netlink_unicast+0x1093/0x1360 [ 87.135434][ T3470] netlink_sendmsg+0x14d9/0x1720 [ 87.140389][ T3470] ____sys_sendmsg+0xe11/0x12c0 [ 87.145264][ T3470] __sys_sendmsg+0x704/0x840 [ 87.149928][ T3470] __x64_sys_sendmsg+0xe2/0x120 [ 87.154829][ T3470] do_syscall_64+0x54/0xd0 [ 87.159280][ T3470] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 87.165210][ T3470] [ 87.167528][ T3470] Uninit was created at: [ 87.171825][ T3470] __alloc_pages+0xbbf/0x1090 [ 87.176541][ T3470] alloc_pages+0xa08/0xd50 [ 87.181035][ T3470] allocate_slab+0x29e/0x1b00 [ 87.185749][ T3470] ___slab_alloc+0xb52/0x1da0 [ 87.190465][ T3470] kmem_cache_alloc+0xbb3/0x11c0 [ 87.195464][ T3470] __nf_conntrack_alloc+0x232/0x7f0 [ 87.200681][ T3470] init_conntrack+0x29b/0x24c0 [ 87.205466][ T3470] nf_conntrack_in+0x1abc/0x3130 [ 87.210419][ T3470] ipv4_conntrack_in+0x68/0x80 [ 87.215232][ T3470] nf_hook_slow_list+0x358/0xb40 [ 87.220203][ T3470] ip_sublist_rcv+0x1411/0x14a0 [ 87.225079][ T3470] ip_list_rcv+0x930/0x970 [ 87.229538][ T3470] __netif_receive_skb_list_core+0xdf9/0x11f0 [ 87.235716][ T3470] __netif_receive_skb_list+0x7e3/0x940 [ 87.241281][ T3470] netif_receive_skb_list_internal+0x848/0xdc0 [ 87.247458][ T3470] napi_complete_done+0x579/0xdc0 [ 87.252505][ T3470] virtnet_poll+0x17a4/0x2340 [ 87.257218][ T3470] __napi_poll+0x14c/0xc00 [ 87.261741][ T3470] net_rx_action+0x7e2/0x1820 [ 87.266461][ T3470] __do_softirq+0x1ee/0x7c5 [ 87.271006][ T3470] [ 87.273346][ T3470] CPU: 1 PID: 3470 Comm: syz-executor406 Not tainted 5.17.0-rc4-syzkaller #0 [ 87.282143][ T3470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.292235][ T3470] ===================================================== [ 87.299181][ T3470] Disabling lock debugging due to kernel taint [ 87.305586][ T3470] Kernel panic - not syncing: kmsan.panic set ... [ 87.312018][ T3470] CPU: 1 PID: 3470 Comm: syz-executor406 Tainted: G B 5.17.0-rc4-syzkaller #0 [ 87.322204][ T3470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.332264][ T3470] Call Trace: [ 87.335549][ T3470] [ 87.338480][ T3470] dump_stack_lvl+0x1ff/0x28e [ 87.343193][ T3470] dump_stack+0x25/0x28 [ 87.347374][ T3470] panic+0x487/0xe1f [ 87.351292][ T3470] ? add_taint+0x181/0x210 [ 87.355724][ T3470] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 87.361583][ T3470] kmsan_report+0x2e6/0x2f0 [ 87.366149][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.372013][ T3470] ? __msan_warning+0xb8/0x130 [ 87.376826][ T3470] ? nf_nat_setup_info+0x628/0x4a40 [ 87.382051][ T3470] ? nfnetlink_parse_nat_setup+0xb86/0xcf0 [ 87.387893][ T3470] ? ctnetlink_parse_nat_setup+0xde/0x390 [ 87.393633][ T3470] ? ctnetlink_new_conntrack+0x1d5d/0x4240 [ 87.399505][ T3470] ? nfnetlink_rcv_msg+0xe0a/0xf80 [ 87.404652][ T3470] ? netlink_rcv_skb+0x40c/0x7e0 [ 87.409623][ T3470] ? nfnetlink_rcv+0x667/0x4740 [ 87.414502][ T3470] ? netlink_unicast+0x1093/0x1360 [ 87.419731][ T3470] ? netlink_sendmsg+0x14d9/0x1720 [ 87.424879][ T3470] ? ____sys_sendmsg+0xe11/0x12c0 [ 87.429926][ T3470] ? __sys_sendmsg+0x704/0x840 [ 87.434712][ T3470] ? __x64_sys_sendmsg+0xe2/0x120 [ 87.439761][ T3470] ? do_syscall_64+0x54/0xd0 [ 87.444378][ T3470] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 87.450475][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.456315][ T3470] ? kmsan_get_metadata+0x33/0x220 [ 87.461459][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.467323][ T3470] ? __nf_ct_try_assign_helper+0x1392/0x13e0 [ 87.473333][ T3470] ? kmsan_get_metadata+0x33/0x220 [ 87.478485][ T3470] ? kmsan_internal_memmove_metadata+0x96/0x2e0 [ 87.484769][ T3470] ? kmsan_get_metadata+0x33/0x220 [ 87.489908][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.495763][ T3470] ? kmsan_get_metadata+0x33/0x220 [ 87.500901][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.506737][ T3470] __msan_warning+0xb8/0x130 [ 87.511352][ T3470] nf_nat_setup_info+0x628/0x4a40 [ 87.516410][ T3470] ? __stack_depot_save+0x1b1/0x4d0 [ 87.521687][ T3470] ? preempt_count_sub+0xf8/0x330 [ 87.526750][ T3470] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 87.532595][ T3470] ? kmsan_get_metadata+0x33/0x220 [ 87.537781][ T3470] ? kmsan_internal_memmove_metadata+0x96/0x2e0 [ 87.544074][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.549915][ T3470] nfnetlink_parse_nat_setup+0xb86/0xcf0 [ 87.555586][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.561442][ T3470] ? nf_nat_cleanup_conntrack+0x330/0x330 [ 87.567208][ T3470] ctnetlink_parse_nat_setup+0xde/0x390 [ 87.572781][ T3470] ctnetlink_new_conntrack+0x1d5d/0x4240 [ 87.578463][ T3470] ? kmsan_get_metadata+0x33/0x220 [ 87.583611][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.589451][ T3470] ? ctnetlink_exp_stat_cpu_dump+0xe30/0xe30 [ 87.595454][ T3470] ? ctnetlink_exp_stat_cpu_dump+0xe30/0xe30 [ 87.601456][ T3470] nfnetlink_rcv_msg+0xe0a/0xf80 [ 87.606466][ T3470] ? kmsan_get_metadata+0x33/0x220 [ 87.611628][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.617494][ T3470] netlink_rcv_skb+0x40c/0x7e0 [ 87.622278][ T3470] ? nfnetlink_bind+0x240/0x240 [ 87.627159][ T3470] ? ns_capable+0x19a/0x230 [ 87.631698][ T3470] nfnetlink_rcv+0x667/0x4740 [ 87.636510][ T3470] ? __kmalloc_node_track_caller+0xe0c/0x1510 [ 87.642603][ T3470] ? __alloc_skb+0x545/0xf90 [ 87.647214][ T3470] ? ____sys_sendmsg+0xe11/0x12c0 [ 87.652264][ T3470] ? __sys_sendmsg+0x704/0x840 [ 87.657077][ T3470] ? __x64_sys_sendmsg+0xe2/0x120 [ 87.662126][ T3470] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 87.668223][ T3470] ? kmsan_get_metadata+0x33/0x220 [ 87.673372][ T3470] ? kmsan_get_metadata+0x33/0x220 [ 87.678537][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.684384][ T3470] ? preempt_count_sub+0xf8/0x330 [ 87.689440][ T3470] ? memcg_slab_post_alloc_hook+0x34/0xb90 [ 87.695299][ T3470] ? kmsan_get_metadata+0x33/0x220 [ 87.700456][ T3470] ? __stack_depot_save+0x21/0x4d0 [ 87.705596][ T3470] ? kmsan_get_metadata+0x33/0x220 [ 87.710748][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.716588][ T3470] ? __rcu_read_unlock+0x4e/0xf0 [ 87.721556][ T3470] ? __netlink_lookup+0x8eb/0x970 [ 87.726611][ T3470] ? kmsan_get_metadata+0x33/0x220 [ 87.731771][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.737609][ T3470] ? kmsan_get_metadata+0x33/0x220 [ 87.742750][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.748592][ T3470] ? nfnetlink_net_exit_batch+0x200/0x200 [ 87.754341][ T3470] netlink_unicast+0x1093/0x1360 [ 87.759324][ T3470] netlink_sendmsg+0x14d9/0x1720 [ 87.764333][ T3470] ____sys_sendmsg+0xe11/0x12c0 [ 87.769257][ T3470] ? netlink_getsockopt+0x11d0/0x11d0 [ 87.774661][ T3470] __sys_sendmsg+0x704/0x840 [ 87.779300][ T3470] ? up_read+0x40/0x2b0 [ 87.783543][ T3470] ? kmsan_get_metadata+0x33/0x220 [ 87.788695][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.794538][ T3470] ? kmsan_get_metadata+0x33/0x220 [ 87.799702][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.805549][ T3470] ? kmsan_get_metadata+0x33/0x220 [ 87.810692][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 87.816542][ T3470] __x64_sys_sendmsg+0xe2/0x120 [ 87.821432][ T3470] do_syscall_64+0x54/0xd0 [ 87.825936][ T3470] ? exc_page_fault+0x76/0x150 [ 87.830726][ T3470] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 87.836649][ T3470] RIP: 0033:0x7f86a90820e9 [ 87.841078][ T3470] 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 [ 87.860791][ T3470] RSP: 002b:00007ffea65355b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 87.869228][ T3470] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f86a90820e9 [ 87.877567][ T3470] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 87.885551][ T3470] RBP: 0000000000000000 R08: 00007ffea6535758 R09: 00007ffea6535758 [ 87.893573][ T3470] R10: 00007ffea6535030 R11: 0000000000000246 R12: 00007f86a9045970 [ 87.901601][ T3470] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 87.909610][ T3470] [ 87.912808][ T3470] Kernel Offset: disabled [ 87.917133][ T3470] Rebooting in 86400 seconds..