Warning: Permanently added '10.128.0.116' (ECDSA) to the list of known hosts. syzkaller login: [ 93.084943][T11740] IPVS: ftp: loaded support on port[0] = 21 [ 93.156513][T11740] chnl_net:caif_netlink_parms(): no params data found [ 93.189630][T11740] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.196788][T11740] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.205226][T11740] device bridge_slave_0 entered promiscuous mode [ 93.213624][T11740] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.220703][T11740] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.229024][T11740] device bridge_slave_1 entered promiscuous mode [ 93.249722][T11740] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 93.261154][T11740] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 93.284744][T11740] team0: Port device team_slave_0 added [ 93.293692][T11740] team0: Port device team_slave_1 added [ 93.374806][T11740] device hsr_slave_0 entered promiscuous mode [ 93.442683][T11740] device hsr_slave_1 entered promiscuous mode [ 93.576083][T11740] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.583351][T11740] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.591114][T11740] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.598368][T11740] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.839216][T11740] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.893142][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.914139][ T30] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.952384][ T30] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.984400][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 94.021277][T11740] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.051863][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 94.061125][ T30] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.068475][ T30] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.145270][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 94.154735][ T30] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.162021][ T30] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.172437][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 94.182519][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 94.192126][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 94.223207][T11740] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 94.235850][T11740] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 94.332975][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 94.342313][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 94.351350][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 94.396557][T11740] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.427998][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 94.436110][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready executing program [ 94.565230][T11740] bridge0: port 3(gretap0) entered blocking state [ 94.571730][T11740] bridge0: port 3(gretap0) entered disabled state [ 94.579453][T11740] device gretap0 entered promiscuous mode [ 94.585757][T11740] bridge0: port 3(gretap0) entered blocking state [ 94.592358][T11740] bridge0: port 3(gretap0) entered forwarding state [ 94.600369][T11740] ===================================================== [ 94.607314][T11740] BUG: KMSAN: uninit-value in ip_tunnel_xmit+0x4bb/0x33c0 [ 94.614499][T11740] CPU: 0 PID: 11740 Comm: syz-executor945 Not tainted 5.4.0-rc8-syzkaller #0 [ 94.623291][T11740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.633332][T11740] Call Trace: [ 94.636613][T11740] dump_stack+0x1c9/0x220 [ 94.640925][T11740] kmsan_report+0x128/0x220 [ 94.645437][T11740] __msan_warning+0x57/0xa0 [ 94.649936][T11740] ip_tunnel_xmit+0x4bb/0x33c0 [ 94.654695][T11740] ? kmsan_get_shadow_origin_ptr+0x91/0x4d0 [ 94.660571][T11740] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 94.666635][T11740] ? skb_push+0x15b/0x250 [ 94.670979][T11740] ? kmsan_get_shadow_origin_ptr+0x91/0x4d0 [ 94.676855][T11740] ipgre_xmit+0xff3/0x1120 [ 94.681256][T11740] ? ipgre_close+0x240/0x240 [ 94.685840][T11740] dev_hard_start_xmit+0x51a/0xab0 [ 94.690952][T11740] ? kmsan_get_shadow_origin_ptr+0x91/0x4d0 [ 94.696841][T11740] __dev_queue_xmit+0x35b6/0x4200 [ 94.701883][T11740] dev_queue_xmit+0x4b/0x60 [ 94.706382][T11740] ? netdev_core_pick_tx+0x4d0/0x4d0 [ 94.711703][T11740] packet_sendmsg+0x8301/0x9230 [ 94.716619][T11740] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 94.722679][T11740] ? aa_label_sk_perm+0x6d6/0x940 [ 94.727867][T11740] ? alloc_file_pseudo+0x19f/0x4e0 [ 94.732989][T11740] ? sock_alloc_file+0x1c1/0x5c0 [ 94.737907][T11740] ? __sys_socket+0x27f/0x600 [ 94.742570][T11740] ? do_syscall_64+0xb6/0x160 [ 94.747229][T11740] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.753285][T11740] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 94.759418][T11740] ? kmsan_get_metadata+0x4f/0x290 [ 94.764512][T11740] ? kmsan_internal_set_origin+0x6a/0xb0 [ 94.770123][T11740] ? calculate_sizes+0x4d0/0x1910 [ 94.775133][T11740] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 94.781188][T11740] ? aa_sk_perm+0x730/0xaf0 [ 94.785704][T11740] ? compat_packet_setsockopt+0x360/0x360 [ 94.791497][T11740] ___sys_sendmsg+0x14ff/0x1590 [ 94.796348][T11740] ? kmsan_get_shadow_origin_ptr+0x91/0x4d0 [ 94.802240][T11740] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 94.808297][T11740] ? __fget_light+0x1b8/0x710 [ 94.812977][T11740] __se_sys_sendmsg+0x305/0x460 [ 94.817857][T11740] __x64_sys_sendmsg+0x4a/0x70 [ 94.822617][T11740] do_syscall_64+0xb6/0x160 [ 94.827138][T11740] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.833007][T11740] RIP: 0033:0x442009 [ 94.836880][T11740] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 0f 83 5b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.856472][T11740] RSP: 002b:00007ffd57fb7468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 94.865336][T11740] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442009 [ 94.873306][T11740] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 94.881276][T11740] RBP: 0000000000000004 R08: 0000000000000025 R09: 0000000000000025 [ 94.889237][T11740] R10: 0000000000000025 R11: 0000000000000246 R12: 0000000000000000 [ 94.897214][T11740] R13: 0000000000403580 R14: 0000000000000000 R15: 0000000000000000 [ 94.905196][T11740] [ 94.907504][T11740] Uninit was created at: [ 94.911732][T11740] kmsan_internal_poison_shadow+0x5c/0x110 [ 94.917525][T11740] kmsan_slab_alloc+0x8a/0xe0 [ 94.922619][T11740] __kmalloc_node_track_caller+0xe47/0x11f0 [ 94.928490][T11740] __alloc_skb+0x309/0xa50 [ 94.932891][T11740] alloc_skb_with_frags+0x18c/0xa80 [ 94.938079][T11740] sock_alloc_send_pskb+0xafd/0x10a0 [ 94.943344][T11740] packet_sendmsg+0x641c/0x9230 [ 94.948172][T11740] ___sys_sendmsg+0x14ff/0x1590 [ 94.953005][T11740] __se_sys_sendmsg+0x305/0x460 [ 94.957835][T11740] __x64_sys_sendmsg+0x4a/0x70 [ 94.962578][T11740] do_syscall_64+0xb6/0x160 [ 94.967067][T11740] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 94.972939][T11740] ===================================================== [ 94.979864][T11740] Disabling lock debugging due to kernel taint [ 94.985994][T11740] Kernel panic - not syncing: panic_on_warn set ... [ 94.992565][T11740] CPU: 0 PID: 11740 Comm: syz-executor945 Tainted: G B 5.4.0-rc8-syzkaller #0 [ 95.002699][T11740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.012823][T11740] Call Trace: [ 95.016100][T11740] dump_stack+0x1c9/0x220 [ 95.020509][T11740] panic+0x3c9/0xc1e [ 95.024399][T11740] kmsan_report+0x215/0x220 [ 95.028886][T11740] __msan_warning+0x57/0xa0 [ 95.033372][T11740] ip_tunnel_xmit+0x4bb/0x33c0 [ 95.038115][T11740] ? kmsan_get_shadow_origin_ptr+0x91/0x4d0 [ 95.043998][T11740] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 95.050060][T11740] ? skb_push+0x15b/0x250 [ 95.054383][T11740] ? kmsan_get_shadow_origin_ptr+0x91/0x4d0 [ 95.060257][T11740] ipgre_xmit+0xff3/0x1120 [ 95.064670][T11740] ? ipgre_close+0x240/0x240 [ 95.069241][T11740] dev_hard_start_xmit+0x51a/0xab0 [ 95.074347][T11740] ? kmsan_get_shadow_origin_ptr+0x91/0x4d0 [ 95.080396][T11740] __dev_queue_xmit+0x35b6/0x4200 [ 95.085420][T11740] dev_queue_xmit+0x4b/0x60 [ 95.089905][T11740] ? netdev_core_pick_tx+0x4d0/0x4d0 [ 95.095180][T11740] packet_sendmsg+0x8301/0x9230 [ 95.100013][T11740] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 95.106080][T11740] ? aa_label_sk_perm+0x6d6/0x940 [ 95.111090][T11740] ? alloc_file_pseudo+0x19f/0x4e0 [ 95.116181][T11740] ? sock_alloc_file+0x1c1/0x5c0 [ 95.121114][T11740] ? __sys_socket+0x27f/0x600 [ 95.125788][T11740] ? do_syscall_64+0xb6/0x160 [ 95.130459][T11740] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.136523][T11740] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 95.142663][T11740] ? kmsan_get_metadata+0x4f/0x290 [ 95.147755][T11740] ? kmsan_internal_set_origin+0x6a/0xb0 [ 95.153373][T11740] ? calculate_sizes+0x4d0/0x1910 [ 95.159600][T11740] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 95.165661][T11740] ? aa_sk_perm+0x730/0xaf0 [ 95.170177][T11740] ? compat_packet_setsockopt+0x360/0x360 [ 95.175895][T11740] ___sys_sendmsg+0x14ff/0x1590 [ 95.180745][T11740] ? kmsan_get_shadow_origin_ptr+0x91/0x4d0 [ 95.186628][T11740] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 95.192792][T11740] ? __fget_light+0x1b8/0x710 [ 95.197508][T11740] __se_sys_sendmsg+0x305/0x460 [ 95.202374][T11740] __x64_sys_sendmsg+0x4a/0x70 [ 95.207149][T11740] do_syscall_64+0xb6/0x160 [ 95.211646][T11740] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.217528][T11740] RIP: 0033:0x442009 [ 95.221417][T11740] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 0f 83 5b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.241007][T11740] RSP: 002b:00007ffd57fb7468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 95.249419][T11740] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442009 [ 95.257376][T11740] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 95.265340][T11740] RBP: 0000000000000004 R08: 0000000000000025 R09: 0000000000000025 [ 95.273296][T11740] R10: 0000000000000025 R11: 0000000000000246 R12: 0000000000000000 [ 95.281331][T11740] R13: 0000000000403580 R14: 0000000000000000 R15: 0000000000000000 [ 95.290740][T11740] Kernel Offset: 0x18000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 95.302407][T11740] Rebooting in 86400 seconds..