Warning: Permanently added '10.128.0.229' (ED25519) to the list of known hosts. syzkaller login: [ 45.755862][ T3961] chnl_net:caif_netlink_parms(): no params data found [ 45.792904][ T3961] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.794640][ T3961] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.797010][ T3961] device bridge_slave_0 entered promiscuous mode [ 45.800887][ T3961] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.802629][ T3961] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.805368][ T3961] device bridge_slave_1 entered promiscuous mode [ 45.820326][ T3961] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 45.825535][ T3961] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 45.839918][ T3961] team0: Port device team_slave_0 added [ 45.842963][ T3961] team0: Port device team_slave_1 added [ 45.857022][ T3961] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 45.858564][ T3961] 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. [ 45.864733][ T3961] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 45.869010][ T3961] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 45.870533][ T3961] 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. [ 45.877048][ T3961] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 45.956590][ T3961] device hsr_slave_0 entered promiscuous mode [ 46.014809][ T3961] device hsr_slave_1 entered promiscuous mode [ 46.129032][ T3961] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.177370][ T3961] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.218134][ T3961] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.257234][ T3961] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.311264][ T3961] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.312889][ T3961] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.314846][ T3961] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.316451][ T3961] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.357104][ T3961] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.365076][ T3764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.369223][ T3764] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.372221][ T3764] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.376833][ T3764] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 46.383537][ T3961] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.389249][ T3967] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.391226][ T3967] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.392771][ T3967] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.405886][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.407964][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.409470][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.413191][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.416248][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.422229][ T3764] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.430696][ T3961] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 46.432891][ T3961] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 46.437899][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.440434][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.442864][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.454051][ T3764] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.456314][ T3764] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.466278][ T3961] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.486447][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.492908][ T3764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.496923][ T3961] device veth0_vlan entered promiscuous mode [ 46.498658][ T3764] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.500925][ T3764] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.507568][ T3961] device veth1_vlan entered promiscuous mode [ 46.521670][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.523816][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 46.526196][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.529921][ T3961] device veth0_macvtap entered promiscuous mode [ 46.534916][ T3961] device veth1_macvtap entered promiscuous mode [ 46.545130][ T3961] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 46.546987][ T3764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.550038][ T3764] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 46.560968][ T3961] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.562929][ T3971] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.567103][ T3961] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.569095][ T3961] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.570993][ T3961] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.572869][ T3961] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 46.598831][ T3961] ------------[ cut here ]------------ [ 46.600028][ T3961] WARNING: CPU: 0 PID: 3961 at net/core/dev.c:3263 skb_checksum_help+0x32c/0x4a0 [ 46.601996][ T3961] Modules linked in: [ 46.602872][ T3961] CPU: 0 PID: 3961 Comm: syz-executor415 Not tainted 5.15.156-syzkaller #0 [ 46.604833][ T3961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 46.607084][ T3961] pstate: 80401005 (Nzcv daif +PAN -UAO -TCO -DIT +SSBS BTYPE=--) [ 46.608799][ T3961] pc : skb_checksum_help+0x32c/0x4a0 [ 46.609950][ T3961] lr : skb_checksum_help+0x328/0x4a0 [ 46.611124][ T3961] sp : ffff80001cd56aa0 [ 46.612045][ T3961] x29: ffff80001cd56ac0 x28: 0000000000002969 x27: 1fffe00019cf219e [ 46.613753][ T3961] x26: dfff800000000000 x25: 0000000000000529 x24: 0000000000000068 [ 46.615522][ T3961] x23: ffff0000ce790cf0 x22: 1fffe00019cf219e x21: ffff0000ce790cf4 [ 46.617326][ T3961] x20: 00000000ffffffea x19: ffff0000ce790d00 x18: 0000000000000200 [ 46.619030][ T3961] x17: 0000000000000000 x16: ffff8000084c4738 x15: ffff80000fd4ecc4 [ 46.620837][ T3961] x14: ffff80000fd4ea98 x13: ffff80000805d7b8 x12: 0000000000000004 [ 46.622540][ T3961] x11: 0000000000000200 x10: 0000000000000000 x9 : ffff0000c1f8d1c0 [ 46.624286][ T3961] x8 : ffff80000fdd0d00 x7 : 0000000000000000 x6 : ffff80000805d7b8 [ 46.626116][ T3961] x5 : ffff0000cf340958 x4 : 0000000000000000 x3 : 0000000000000020 [ 46.627794][ T3961] x2 : 0000000000000000 x1 : 0000000000000068 x0 : 0000000000000529 [ 46.629544][ T3961] Call trace: [ 46.630231][ T3961] skb_checksum_help+0x32c/0x4a0 [ 46.631206][ T3961] ip_do_fragment+0x198/0x199c [ 46.632276][ T3961] ip_fragment+0x11c/0x308 [ 46.633260][ T3961] __ip_finish_output+0x280/0x458 [ 46.634325][ T3961] ip_finish_output+0x40/0x218 [ 46.635283][ T3961] ip_mc_output+0x56c/0x780 [ 46.636336][ T3961] ip_local_out+0x120/0x160 [ 46.637303][ T3961] iptunnel_xmit+0x40c/0x8fc [ 46.638202][ T3961] ip_tunnel_xmit+0x1acc/0x2334 [ 46.639305][ T3961] ipgre_xmit+0x690/0xa2c [ 46.640332][ T3961] dev_hard_start_xmit+0x2bc/0x92c [ 46.641473][ T3961] __dev_queue_xmit+0x13a8/0x2a6c [ 46.642629][ T3961] dev_queue_xmit+0x24/0x34 [ 46.643558][ T3961] packet_sendmsg+0x3654/0x4c68 [ 46.644654][ T3961] ____sys_sendmsg+0x584/0x870 [ 46.645658][ T3961] ___sys_sendmsg+0x214/0x294 [ 46.646665][ T3961] __arm64_sys_sendmsg+0x1ac/0x25c [ 46.647805][ T3961] invoke_syscall+0x98/0x2b8 [ 46.648804][ T3961] el0_svc_common+0x138/0x258 [ 46.649849][ T3961] do_el0_svc+0x58/0x14c [ 46.650817][ T3961] el0_svc+0x7c/0x1f0 [ 46.651695][ T3961] el0t_64_sync_handler+0x84/0xe4 [ 46.652862][ T3961] el0t_64_sync+0x1a0/0x1a4 [ 46.653814][ T3961] irq event stamp: 126529 [ 46.654788][ T3961] hardirqs last enabled at (126528): [<ffff8000088ce628>] kasan_quarantine_put+0xdc/0x204 [ 46.657072][ T3961] hardirqs last disabled at (126529): [<ffff800011991e80>] el1_dbg+0x24/0x80 [ 46.659079][ T3961] softirqs last enabled at (126234): [<ffff800008021c64>] __do_softirq+0xb5c/0xdb0 [ 46.661125][ T3961] softirqs last disabled at (126340): [<ffff80000fdd950c>] local_bh_disable+0x10/0x34 [ 46.663217][ T3961] ---[ end trace 1e12f8b0cf51d800 ]---