Warning: Permanently added '10.128.1.190' (ED25519) to the list of known hosts. syzkaller login: [ 42.889452][ T3966] chnl_net:caif_netlink_parms(): no params data found [ 42.927742][ T3966] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.929598][ T3966] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.931880][ T3966] device bridge_slave_0 entered promiscuous mode [ 42.936194][ T3966] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.937947][ T3966] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.940377][ T3966] device bridge_slave_1 entered promiscuous mode [ 42.956573][ T3966] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 42.960751][ T3966] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 42.975767][ T3966] team0: Port device team_slave_0 added [ 42.979660][ T3966] team0: Port device team_slave_1 added [ 42.992078][ T3966] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 42.993592][ T3966] 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. [ 43.000008][ T3966] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 43.004426][ T3966] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 43.006561][ T3966] 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. [ 43.012548][ T3966] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 43.086652][ T3966] device hsr_slave_0 entered promiscuous mode [ 43.134879][ T3966] device hsr_slave_1 entered promiscuous mode [ 43.247901][ T3966] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.287433][ T3966] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.337894][ T3966] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.377009][ T3966] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.442614][ T3966] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.444523][ T3966] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.446663][ T3966] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.448259][ T3966] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.489488][ T3966] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.497797][ T3972] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.501472][ T3972] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.504656][ T3972] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.507872][ T3972] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 43.515067][ T3966] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.521112][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.523313][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.525039][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.537668][ T3972] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.539887][ T3972] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.541560][ T3972] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.548924][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.551736][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.560505][ T3765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.565558][ T3972] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.571270][ T3972] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.577288][ T3966] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.589694][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.591586][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.599701][ T3966] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.613038][ T3972] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.628801][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.631241][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.633360][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.639202][ T3966] device veth0_vlan entered promiscuous mode [ 43.646534][ T3966] device veth1_vlan entered promiscuous mode [ 43.660768][ T3972] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 43.663032][ T3972] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 43.665923][ T3972] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.670352][ T3966] device veth0_macvtap entered promiscuous mode [ 43.674266][ T3966] device veth1_macvtap entered promiscuous mode [ 43.686325][ T3966] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 43.688141][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.691078][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 43.697161][ T3966] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 43.700932][ T3966] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.703079][ T3966] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.706659][ T3966] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.708719][ T3966] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.712486][ T3972] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 43.737930][ T3966] ------------[ cut here ]------------ [ 43.739290][ T3966] WARNING: CPU: 1 PID: 3966 at net/core/dev.c:3243 skb_checksum_help+0x32c/0x4a0 [ 43.741355][ T3966] Modules linked in: [ 43.742238][ T3966] CPU: 1 PID: 3966 Comm: syz-executor126 Not tainted 5.15.135-syzkaller #0 [ 43.744259][ T3966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 43.746739][ T3966] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 43.748624][ T3966] pc : skb_checksum_help+0x32c/0x4a0 [ 43.749812][ T3966] lr : skb_checksum_help+0x328/0x4a0 [ 43.751032][ T3966] sp : ffff80001cd86ae0 [ 43.751945][ T3966] x29: ffff80001cd86b00 x28: 0000000000002969 x27: 1fffe0001a385326 [ 43.753856][ T3966] x26: dfff800000000000 x25: 0000000000000529 x24: 0000000000000068 [ 43.755762][ T3966] x23: ffff0000d1c29930 x22: 1fffe0001a385326 x21: ffff0000d1c29934 [ 43.757554][ T3966] x20: 00000000ffffffea x19: ffff0000d1c29940 x18: 0000000000000200 [ 43.759492][ T3966] x17: ff8080000fd3d214 x16: ffff8000084c33b4 x15: ffff80000fd1985c [ 43.761456][ T3966] x14: ffff80000fd19630 x13: ffffffffffffffff x12: 0000000000000000 [ 43.763336][ T3966] x11: ff8080000fd9c2d8 x10: 0000000000000000 x9 : ffff80000fd9c2d8 [ 43.765280][ T3966] x8 : ffff0000da810000 x7 : 0000000000000000 x6 : ffff80000805cbac [ 43.767218][ T3966] x5 : ffff0000c5c45578 x4 : 0000000000000000 x3 : 0000000000000020 [ 43.769175][ T3966] x2 : 0000000000000000 x1 : 0000000000000068 x0 : 0000000000000529 [ 43.771129][ T3966] Call trace: [ 43.771891][ T3966] skb_checksum_help+0x32c/0x4a0 [ 43.773092][ T3966] ip_do_fragment+0x198/0x199c [ 43.774194][ T3966] ip_fragment+0x11c/0x308 [ 43.775261][ T3966] __ip_finish_output+0x280/0x458 [ 43.776354][ T3966] ip_finish_output+0x40/0x218 [ 43.777468][ T3966] ip_mc_output+0x56c/0x780 [ 43.778573][ T3966] ip_local_out+0x120/0x160 [ 43.779630][ T3966] iptunnel_xmit+0x40c/0x8fc [ 43.780701][ T3966] ip_tunnel_xmit+0x1ad4/0x2358 [ 43.781780][ T3966] ipgre_xmit+0x5dc/0x8d8 [ 43.782757][ T3966] dev_hard_start_xmit+0x2bc/0x92c [ 43.783999][ T3966] __dev_queue_xmit+0x13a8/0x2a6c [ 43.785188][ T3966] dev_queue_xmit+0x24/0x34 [ 43.786255][ T3966] packet_sendmsg+0x3654/0x4c68 [ 43.787403][ T3966] ____sys_sendmsg+0x584/0x870 [ 43.788520][ T3966] ___sys_sendmsg+0x214/0x294 [ 43.789632][ T3966] __arm64_sys_sendmsg+0x1ac/0x25c [ 43.790912][ T3966] invoke_syscall+0x98/0x2b8 [ 43.791995][ T3966] el0_svc_common+0x138/0x258 [ 43.793051][ T3966] do_el0_svc+0x58/0x14c [ 43.794055][ T3966] el0_svc+0x7c/0x1f0 [ 43.795070][ T3966] el0t_64_sync_handler+0x84/0xe4 [ 43.796282][ T3966] el0t_64_sync+0x1a0/0x1a4 [ 43.797306][ T3966] irq event stamp: 127581 [ 43.798340][ T3966] hardirqs last enabled at (127580): [] kasan_quarantine_put+0xdc/0x204 [ 43.800702][ T3966] hardirqs last disabled at (127581): [] el1_dbg+0x24/0x80 [ 43.802706][ T3966] softirqs last enabled at (127262): [] release_sock+0x1e4/0x270 [ 43.804900][ T3966] softirqs last disabled at (127412): [] local_bh_disable+0x10/0x34 [ 43.807203][ T3966] ---[ end trace 9289638ac28fab80 ]---