[ 17.999459][ T3636] 8021q: adding VLAN 0 to HW filter on device bond0 [ 18.008065][ T3636] eql: remember to turn off Van-Jacobson compression on your slave devices [ 18.049151][ T148] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 18.052098][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.174' (ECDSA) to the list of known hosts. syzkaller login: [ 39.736484][ T3968] chnl_net:caif_netlink_parms(): no params data found [ 39.775467][ T3968] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.777017][ T3968] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.779259][ T3968] device bridge_slave_0 entered promiscuous mode [ 39.783465][ T3968] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.785017][ T3968] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.787137][ T3968] device bridge_slave_1 entered promiscuous mode [ 39.801882][ T3968] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.806734][ T3968] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.821107][ T3968] team0: Port device team_slave_0 added [ 39.824505][ T3968] team0: Port device team_slave_1 added [ 39.837816][ T3968] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.839506][ T3968] 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. [ 39.845498][ T3968] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.849561][ T3968] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.851138][ T3968] 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. [ 39.856874][ T3968] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.915274][ T3968] device hsr_slave_0 entered promiscuous mode [ 39.953445][ T3968] device hsr_slave_1 entered promiscuous mode [ 40.066556][ T3968] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.126354][ T3968] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.185676][ T3968] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.245046][ T3968] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.310929][ T3968] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.312518][ T3968] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.314528][ T3968] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.316157][ T3968] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.356764][ T3968] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.363469][ T1528] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.367284][ T1528] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.370167][ T1528] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.372790][ T1528] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 40.383042][ T3968] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.388728][ T3762] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.390905][ T3762] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.392541][ T3762] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.399038][ T1528] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.401155][ T1528] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.402695][ T1528] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.417662][ T3762] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.419924][ T3762] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.427728][ T3762] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.435320][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.440452][ T1528] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.446067][ T3968] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.461796][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.463934][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.467617][ T3968] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.481303][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.493709][ T3762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.495858][ T3762] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.497751][ T3762] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.502737][ T3968] device veth0_vlan entered promiscuous mode [ 40.509147][ T3968] device veth1_vlan entered promiscuous mode [ 40.522287][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.524391][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.526535][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.531395][ T3968] device veth0_macvtap entered promiscuous mode [ 40.536540][ T3968] device veth1_macvtap entered promiscuous mode [ 40.548300][ T3968] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.550724][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.554157][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.558602][ T3968] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.560528][ T3762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.566616][ T3968] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.568741][ T3968] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.570677][ T3968] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.572616][ T3968] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 40.605165][ T3968] ------------[ cut here ]------------ [ 40.606421][ T3968] WARNING: CPU: 0 PID: 3968 at net/core/dev.c:3249 skb_checksum_help+0x33c/0x4a0 [ 40.608576][ T3968] Modules linked in: [ 40.609499][ T3968] CPU: 0 PID: 3968 Comm: syz-executor282 Not tainted 5.15.115-syzkaller #0 [ 40.611406][ T3968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 40.613575][ T3968] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 40.615279][ T3968] pc : skb_checksum_help+0x33c/0x4a0 [ 40.616458][ T3968] lr : skb_checksum_help+0x338/0x4a0 [ 40.617694][ T3968] sp : ffff80001a256b00 [ 40.618656][ T3968] x29: ffff80001a256b20 x28: 0000000000000688 x27: 00000000000006a8 [ 40.620438][ T3968] x26: dfff800000000000 x25: 00000000000006aa x24: 0000000000000000 [ 40.622340][ T3968] x23: 0000000000000688 x22: ffff0000c0fc8210 x21: 0000000000000688 [ 40.624101][ T3968] x20: 00000000ffffffea x19: ffff0000c0fc81c0 x18: 0000000000000004 [ 40.625941][ T3968] x17: ff8080000889a8ac x16: ffff8000084c3554 x15: 0000000000000000 [ 40.627788][ T3968] x14: 0000000000000000 x13: ffffffffffffffff x12: 0000000000000000 [ 40.629593][ T3968] x11: ff8080000fd84588 x10: 0000000000000000 x9 : ffff80000fd84588 [ 40.631381][ T3968] x8 : ffff0000c8f08000 x7 : ffff80000fd3724c x6 : ffff80000fd37204 [ 40.633160][ T3968] x5 : ffff80001a256a90 x4 : ffff80001a256a80 x3 : ffff80000ab17a9c [ 40.634974][ T3968] x2 : 0000000000000000 x1 : 0000000000000688 x0 : 00000000000006aa [ 40.636761][ T3968] Call trace: [ 40.637496][ T3968] skb_checksum_help+0x33c/0x4a0 [ 40.638639][ T3968] ip_do_fragment+0x198/0x199c [ 40.639753][ T3968] ip_fragment+0x11c/0x308 [ 40.640720][ T3968] __ip_finish_output+0x280/0x458 [ 40.641902][ T3968] ip_finish_output+0x40/0x218 [ 40.642986][ T3968] ip_output+0x330/0x49c [ 40.643944][ T3968] ip_local_out+0x120/0x160 [ 40.645000][ T3968] iptunnel_xmit+0x404/0x850 [ 40.645978][ T3968] ip_tunnel_xmit+0x180c/0x200c [ 40.647019][ T3968] ipgre_xmit+0x5dc/0x8d8 [ 40.648064][ T3968] dev_hard_start_xmit+0x2bc/0x92c [ 40.649231][ T3968] __dev_queue_xmit+0x13a8/0x2a6c [ 40.650363][ T3968] dev_queue_xmit+0x24/0x34 [ 40.651349][ T3968] packet_sendmsg+0x3654/0x4c68 [ 40.652480][ T3968] ____sys_sendmsg+0x584/0x870 [ 40.653570][ T3968] ___sys_sendmsg+0x214/0x294 [ 40.654569][ T3968] __arm64_sys_sendmsg+0x1ac/0x25c [ 40.655723][ T3968] invoke_syscall+0x98/0x2b8 [ 40.656691][ T3968] el0_svc_common+0x138/0x258 [ 40.657752][ T3968] do_el0_svc+0x58/0x14c [ 40.658703][ T3968] el0_svc+0x7c/0x1f0 [ 40.659596][ T3968] el0t_64_sync_handler+0x84/0xe4 [ 40.660795][ T3968] el0t_64_sync+0x1a0/0x1a4 [ 40.661753][ T3968] irq event stamp: 126819 [ 40.662727][ T3968] hardirqs last enabled at (126818): [] kasan_quarantine_put+0xdc/0x204 [ 40.665005][ T3968] hardirqs last disabled at (126819): [] el1_dbg+0x24/0x80 [ 40.666899][ T3968] softirqs last enabled at (126712): [] release_sock+0x1e4/0x270 [ 40.669019][ T3968] softirqs last disabled at (126756): [] local_bh_disable+0x10/0x34 [ 40.671053][ T3968] ---[ end trace c75c544a9d552535 ]--- [ 40.675205][ T3968] ------------[ cut here ]------------ [ 40.676342][ T3968] WARNING: CPU: 0 PID: 3968 at net/core/dev.c:3243 skb_checksum_help+0x32c/0x4a0 [ 40.678351][ T3968] Modules linked in: [ 40.679190][ T3968] CPU: 0 PID: 3968 Comm: syz-executor282 Tainted: G W 5.15.115-syzkaller #0 [ 40.681338][ T3968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 40.683576][ T3968] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 40.685333][ T3968] pc : skb_checksum_help+0x32c/0x4a0 [ 40.686529][ T3968] lr : skb_checksum_help+0x328/0x4a0 [ 40.687742][ T3968] sp : ffff80001a256b00 [ 40.688686][ T3968] x29: ffff80001a256b20 x28: 0000000000000586 x27: 1fffe000181f914e [ 40.690368][ T3968] x26: dfff800000000000 x25: 000000000000061f x24: 0000000000000519 [ 40.692137][ T3968] x23: ffff0000c0fc8a70 x22: 1fffe000181f914e x21: ffff0000c0fc8a74 [ 40.693946][ T3968] x20: 00000000ffffffea x19: ffff0000c0fc8a80 x18: 0000000000000200 [ 40.695769][ T3968] x17: ff8080000fd25888 x16: ffff8000084c3554 x15: ffff80000fd25888 [ 40.697456][ T3968] x14: 00000000ffff8000 x13: ffffffffffffffff x12: 0000000000000000 [ 40.699206][ T3968] x11: ff8080000fd84578 x10: 0000000000000000 x9 : ffff80000fd84578 [ 40.700948][ T3968] x8 : ffff0000c8f08000 x7 : 0000000000000000 x6 : 000000000000003f [ 40.702725][ T3968] x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020 [ 40.704464][ T3968] x2 : 0000000000000000 x1 : 0000000000000519 x0 : 000000000000061f [ 40.706165][ T3968] Call trace: [ 40.706946][ T3968] skb_checksum_help+0x32c/0x4a0 [ 40.708011][ T3968] ip_do_fragment+0x198/0x199c [ 40.709147][ T3968] ip_fragment+0x11c/0x308 [ 40.710113][ T3968] __ip_finish_output+0x280/0x458 [ 40.711260][ T3968] ip_finish_output+0x40/0x218 [ 40.712312][ T3968] ip_output+0x330/0x49c [ 40.713340][ T3968] ip_local_out+0x120/0x160 [ 40.714429][ T3968] iptunnel_xmit+0x404/0x850 [ 40.715438][ T3968] ip_tunnel_xmit+0x180c/0x200c [ 40.716522][ T3968] ipgre_xmit+0x5dc/0x8d8 [ 40.717499][ T3968] dev_hard_start_xmit+0x2bc/0x92c [ 40.718576][ T3968] __dev_queue_xmit+0x13a8/0x2a6c [ 40.719686][ T3968] dev_queue_xmit+0x24/0x34 [ 40.720720][ T3968] packet_sendmsg+0x3654/0x4c68 [ 40.721733][ T3968] ____sys_sendmsg+0x584/0x870 [ 40.722812][ T3968] ___sys_sendmsg+0x214/0x294 [ 40.723866][ T3968] __arm64_sys_sendmsg+0x1ac/0x25c [ 40.724976][ T3968] invoke_syscall+0x98/0x2b8 [ 40.726056][ T3968] el0_svc_common+0x138/0x258 [ 40.727036][ T3968] do_el0_svc+0x58/0x14c [ 40.728019][ T3968] el0_svc+0x7c/0x1f0 [ 40.728892][ T3968] el0t_64_sync_handler+0x84/0xe4 [ 40.730015][ T3968] el0t_64_sync+0x1a0/0x1a4 [ 40.731009][ T3968] irq event stamp: 126899 [ 40.731965][ T3968] hardirqs last enabled at (126898): [] kasan_quarantine_put+0xdc/0x204 [ 40.734125][ T3968] hardirqs last disabled at (126899): [] el1_dbg+0x24/0x80 [ 40.736196][ T3968] softirqs last enabled at (126712): [] release_sock+0x1e4/0x270 [ 40.738275][ T3968] softirqs last disabled at (126756): [] local_bh_disable+0x10/0x34 [ 40.740364][ T3968] ---[ end trace c75c544a9d552536 ]---