DUID 00:04:ce:8e:a7:1a:d5:92:ad:c3:fd:35:80:c9:2b:13:ab:38 forked to background, child pid 3182 [ 29.474849][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.486464][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.15' (ECDSA) to the list of known hosts. syzkaller login: [ 50.534778][ T3600] chnl_net:caif_netlink_parms(): no params data found [ 50.575478][ T3600] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.583228][ T3600] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.591383][ T3600] device bridge_slave_0 entered promiscuous mode [ 50.601065][ T3600] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.608247][ T3600] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.616196][ T3600] device bridge_slave_1 entered promiscuous mode [ 50.635975][ T3600] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.647420][ T3600] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.670816][ T3600] team0: Port device team_slave_0 added [ 50.678498][ T3600] team0: Port device team_slave_1 added [ 50.695886][ T3600] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.703013][ T3600] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 50.729153][ T3600] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.742303][ T3600] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.749478][ T3600] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 50.775470][ T3600] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.801961][ T3600] device hsr_slave_0 entered promiscuous mode [ 50.808478][ T3600] device hsr_slave_1 entered promiscuous mode [ 50.892502][ T3600] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.903687][ T3600] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.912622][ T3600] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.921400][ T3600] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.943899][ T3600] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.951072][ T3600] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.958694][ T3600] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.965950][ T3600] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.007792][ T3600] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.020873][ T135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.032199][ T135] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.040778][ T135] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.048609][ T135] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.062228][ T3600] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.074134][ T135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.083138][ T135] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.090249][ T135] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.111225][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.120054][ T3607] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.127099][ T3607] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.135420][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.143925][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.153546][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.164937][ T3269] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.178177][ T3600] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 51.190205][ T3600] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.198130][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.216771][ T3269] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.224179][ T3269] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.235415][ T3600] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.368862][ T3600] device veth0_vlan entered promiscuous mode [ 51.377019][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.386867][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.395556][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.403452][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.416337][ T3600] device veth1_vlan entered promiscuous mode [ 51.434764][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.442784][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.451131][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.463502][ T3600] device veth0_macvtap entered promiscuous mode [ 51.472552][ T3600] device veth1_macvtap entered promiscuous mode [ 51.487876][ T3600] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.496134][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.505381][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.516619][ T3600] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.525127][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.535911][ T3600] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.545450][ T3600] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.555192][ T3600] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 51.564146][ T3600] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.601624][ T3600] skbuff: skb_over_panic: text:ffffffff87e56d2d len:65575 put:65575 head:ffff88801e221000 data:ffff88801e2210a8 tail:0x100cf end:0x6c0 dev: [ 51.617249][ T3600] ------------[ cut here ]------------ [ 51.627422][ T3600] kernel BUG at net/core/skbuff.c:113! [ 51.633417][ T3600] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 51.639466][ T3600] CPU: 0 PID: 3600 Comm: syz-executor635 Not tainted 5.16.0-syzkaller #0 [ 51.647859][ T3600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.657891][ T3600] RIP: 0010:skb_panic+0x16c/0x16e [ 51.662913][ T3600] Code: f8 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 e0 d3 ad 8a ff 74 24 10 ff 74 24 20 e8 ed 16 c2 ff <0f> 0b e8 13 eb 33 f8 4c 8b 64 24 18 e8 49 40 7b f8 48 c7 c1 80 e0 [ 51.682507][ T3600] RSP: 0018:ffffc90001d3f430 EFLAGS: 00010282 [ 51.688559][ T3600] RAX: 000000000000008f RBX: ffff888073cf7c80 RCX: 0000000000000000 [ 51.696528][ T3600] RDX: ffff888021b09d00 RSI: ffffffff815eea08 RDI: fffff520003a7e78 [ 51.704484][ T3600] RBP: ffffffff8aade0c0 R08: 000000000000008f R09: 0000000000000000 [ 51.712442][ T3600] R10: ffffffff815e87ae R11: 0000000000000000 R12: ffffffff87e56d2d [ 51.720394][ T3600] R13: 0000000000010027 R14: ffffffff8aadd3a0 R15: 00000000000006c0 [ 51.728348][ T3600] FS: 00005555568fd300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 51.737267][ T3600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.743843][ T3600] CR2: 00007f0b1d3fd300 CR3: 0000000070c38000 CR4: 00000000003506f0 [ 51.751807][ T3600] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.760026][ T3600] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.767983][ T3600] Call Trace: [ 51.771351][ T3600] [ 51.774274][ T3600] ? __ip6_append_data.isra.0+0x1e1d/0x3bc0 [ 51.780159][ T3600] skb_put.cold+0x24/0x24 [ 51.784483][ T3600] __ip6_append_data.isra.0+0x1e1d/0x3bc0 [ 51.790200][ T3600] ? rawv6_mh_filter_unregister+0x20/0x20 [ 51.795913][ T3600] ? ip6_xmit+0x1a50/0x1a50 [ 51.800404][ T3600] ? ip6_mtu+0x292/0x450 [ 51.804645][ T3600] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 51.810879][ T3600] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 51.817109][ T3600] ? ip6_setup_cork+0xfee/0x1780 [ 51.822038][ T3600] ip6_append_data+0x207/0x350 [ 51.826789][ T3600] ? rawv6_mh_filter_unregister+0x20/0x20 [ 51.832500][ T3600] ? rawv6_mh_filter_unregister+0x20/0x20 [ 51.838212][ T3600] rawv6_sendmsg+0x14e7/0x3a10 [ 51.842990][ T3600] ? rawv6_bind+0xa10/0xa10 [ 51.847485][ T3600] ? find_held_lock+0x2d/0x110 [ 51.852243][ T3600] ? __might_fault+0xd1/0x170 [ 51.856906][ T3600] ? lock_downgrade+0x6e0/0x6e0 [ 51.861754][ T3600] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 51.867995][ T3600] ? inet_sendmsg+0x4a/0xe0 [ 51.872752][ T3600] inet_sendmsg+0x99/0xe0 [ 51.877078][ T3600] ? inet_send_prepare+0x4e0/0x4e0 [ 51.882177][ T3600] sock_sendmsg+0xcf/0x120 [ 51.886581][ T3600] ____sys_sendmsg+0x331/0x810 [ 51.891339][ T3600] ? kernel_sendmsg+0x50/0x50 [ 51.896002][ T3600] ? do_recvmmsg+0x6d0/0x6d0 [ 51.900578][ T3600] ? do_ipv6_setsockopt.constprop.0+0x36a/0x44d0 [ 51.906894][ T3600] ? ipv6_update_options+0x3e0/0x3e0 [ 51.912162][ T3600] ___sys_sendmsg+0xf3/0x170 [ 51.916806][ T3600] ? sendmsg_copy_msghdr+0x160/0x160 [ 51.922082][ T3600] ? mark_lock+0xef/0x17b0 [ 51.926503][ T3600] ? mark_lock+0xef/0x17b0 [ 51.930903][ T3600] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 51.937051][ T3600] ? lock_chain_count+0x20/0x20 [ 51.941894][ T3600] ? lock_chain_count+0x20/0x20 [ 51.946735][ T3600] ? release_sock+0x1b/0x1b0 [ 51.951310][ T3600] ? reacquire_held_locks+0x214/0x4e0 [ 51.956667][ T3600] ? release_sock+0x1b/0x1b0 [ 51.961247][ T3600] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 51.967484][ T3600] ? __fget_light+0x215/0x280 [ 51.972153][ T3600] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 51.978384][ T3600] __sys_sendmmsg+0x195/0x470 [ 51.983057][ T3600] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 51.988073][ T3600] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 51.994052][ T3600] ? find_held_lock+0x2d/0x110 [ 51.998812][ T3600] ? __context_tracking_exit+0xb8/0xe0 [ 52.004276][ T3600] ? lock_downgrade+0x6e0/0x6e0 [ 52.009117][ T3600] ? lock_downgrade+0x6e0/0x6e0 [ 52.013977][ T3600] __x64_sys_sendmmsg+0x99/0x100 [ 52.018906][ T3600] ? syscall_enter_from_user_mode+0x21/0x70 [ 52.024800][ T3600] do_syscall_64+0x35/0xb0 [ 52.029209][ T3600] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 52.035206][ T3600] RIP: 0033:0x7fcd737403f9 [ 52.039603][ T3600] Code: 28 c3 e8 4a 15 00 00 66 2e 0f 1f 84 00 00 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 52.059251][ T3600] RSP: 002b:00007ffc6429d698 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 52.067647][ T3600] RAX: ffffffffffffffda RBX: 00007ffc6429d6a8 RCX: 00007fcd737403f9 [ 52.075610][ T3600] RDX: 0000000000000001 RSI: 00000000200002c0 RDI: 0000000000000003 [ 52.083565][ T3600] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 52.091516][ T3600] R10: 000000000000fe80 R11: 0000000000000246 R12: 00007ffc6429d6b0 [ 52.099469][ T3600] R13: 00007ffc6429d6d0 R14: 0000000000000000 R15: 0000000000000000 [ 52.107444][ T3600] [ 52.110447][ T3600] Modules linked in: [ 52.120669][ T3600] ---[ end trace 43ef1a1a0a37e865 ]--- [ 52.126146][ T3600] RIP: 0010:skb_panic+0x16c/0x16e [ 52.131547][ T3600] Code: f8 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 e0 d3 ad 8a ff 74 24 10 ff 74 24 20 e8 ed 16 c2 ff <0f> 0b e8 13 eb 33 f8 4c 8b 64 24 18 e8 49 40 7b f8 48 c7 c1 80 e0 [ 52.151393][ T3600] RSP: 0018:ffffc90001d3f430 EFLAGS: 00010282 [ 52.157475][ T3600] RAX: 000000000000008f RBX: ffff888073cf7c80 RCX: 0000000000000000 [ 52.165950][ T3600] RDX: ffff888021b09d00 RSI: ffffffff815eea08 RDI: fffff520003a7e78 [ 52.173958][ T3600] RBP: ffffffff8aade0c0 R08: 000000000000008f R09: 0000000000000000 [ 52.182247][ T3600] R10: ffffffff815e87ae R11: 0000000000000000 R12: ffffffff87e56d2d [ 52.190260][ T3600] R13: 0000000000010027 R14: ffffffff8aadd3a0 R15: 00000000000006c0 [ 52.198347][ T3600] FS: 00005555568fd300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 52.207769][ T3600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.215070][ T3600] CR2: 00007f0b1d3fd300 CR3: 0000000070c38000 CR4: 00000000003506f0 [ 52.223097][ T3600] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.231178][ T3600] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.239202][ T3600] Kernel panic - not syncing: Fatal exception [ 52.245310][ T3600] Kernel Offset: disabled [ 52.249620][ T3600] Rebooting in 86400 seconds..