Warning: Permanently added '10.128.1.31' (ECDSA) to the list of known hosts. syzkaller login: [ 36.827405][ T4221] chnl_net:caif_netlink_parms(): no params data found [ 36.858926][ T4221] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.860542][ T4221] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.863074][ T4221] device bridge_slave_0 entered promiscuous mode [ 36.866668][ T4221] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.868299][ T4221] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.870223][ T4221] device bridge_slave_1 entered promiscuous mode [ 36.883918][ T4221] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 36.888179][ T4221] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 36.900654][ T4221] team0: Port device team_slave_0 added [ 36.903729][ T4221] team0: Port device team_slave_1 added [ 36.915196][ T4221] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.916753][ T4221] 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. [ 36.922166][ T4221] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.926166][ T4221] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.927563][ T4221] 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. [ 36.933357][ T4221] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.994552][ T4221] device hsr_slave_0 entered promiscuous mode [ 37.032723][ T4221] device hsr_slave_1 entered promiscuous mode [ 37.135541][ T4221] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 37.164656][ T4221] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 37.205629][ T4221] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 37.244651][ T4221] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 37.297636][ T4221] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.299198][ T4221] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.301106][ T4221] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.302830][ T4221] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.339408][ T4221] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.346057][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.349300][ T24] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.352021][ T24] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.355052][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 37.360875][ T4221] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.367095][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.369076][ T14] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.370638][ T14] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.383797][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.385787][ T14] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.387299][ T14] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.389750][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 37.395133][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 37.397472][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 37.402690][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.408447][ T4221] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 37.411020][ T4221] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 37.413952][ T4230] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.425778][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 37.427449][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 37.434893][ T4221] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 37.447404][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.459809][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.462024][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 37.465375][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 37.468913][ T4221] device veth0_vlan entered promiscuous mode [ 37.475740][ T4221] device veth1_vlan entered promiscuous mode [ 37.488305][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 37.490269][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 37.492897][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.496809][ T4221] device veth0_macvtap entered promiscuous mode [ 37.500634][ T4221] device veth1_macvtap entered promiscuous mode [ 37.511141][ T4221] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 37.514021][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.516625][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 37.521613][ T4221] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 37.523977][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.527725][ T4221] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.529685][ T4221] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.531478][ T4221] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.534345][ T4221] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 37.560005][ T4221] ------------[ cut here ]------------ [ 37.561175][ T4221] WARNING: CPU: 1 PID: 4221 at net/core/dev.c:3284 skb_checksum_help+0x348/0x4f8 [ 37.563150][ T4221] Modules linked in: [ 37.563968][ T4221] CPU: 1 PID: 4221 Comm: syz-executor173 Not tainted 6.1.32-syzkaller #0 [ 37.565795][ T4221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 37.567940][ T4221] pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 37.569612][ T4221] pc : skb_checksum_help+0x348/0x4f8 [ 37.570766][ T4221] lr : skb_checksum_help+0x234/0x4f8 [ 37.571880][ T4221] sp : ffff80001d966ae0 [ 37.572744][ T4221] x29: ffff80001d966b00 x28: 0000000000000688 x27: 00000000000006a8 [ 37.574578][ T4221] x26: dfff800000000000 x25: 00000000000006aa x24: 0000000000000000 [ 37.576215][ T4221] x23: 0000000000000688 x22: ffff0000cf857998 x21: 0000000000000688 [ 37.578039][ T4221] x20: ffff0000cf8578c0 x19: ffff800017ed6000 x18: ffff80001d965f20 [ 37.579898][ T4221] x17: 6102d567a17630c3 x16: ffff8000084fa384 x15: 0000000000000000 [ 37.581626][ T4221] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000 [ 37.583333][ T4221] x11: ff808000103f7580 x10: 0000000000000000 x9 : ffff0000d86e0000 [ 37.585096][ T4221] x8 : ffff8000103f7580 x7 : ffff8000103aa6a0 x6 : ffff8000103aa658 [ 37.586762][ T4221] x5 : ffff80001d966a70 x4 : ffff80001d966a60 x3 : ffff800012052938 [ 37.588431][ T4221] x2 : 0000000000000000 x1 : 0000000000000688 x0 : 00000000000006aa [ 37.590112][ T4221] Call trace: [ 37.590758][ T4221] skb_checksum_help+0x348/0x4f8 [ 37.591837][ T4221] ip_do_fragment+0x1bc/0x1b14 [ 37.592910][ T4221] ip_fragment+0x11c/0x308 [ 37.593885][ T4221] __ip_finish_output+0x280/0x458 [ 37.594889][ T4221] ip_finish_output+0x40/0x268 [ 37.596021][ T4221] ip_output+0x330/0x49c [ 37.596892][ T4221] ip_local_out+0x120/0x160 [ 37.597848][ T4221] iptunnel_xmit+0x40c/0x88c [ 37.598851][ T4221] ip_tunnel_xmit+0x19ac/0x28e8 [ 37.599856][ T4221] ipgre_xmit+0x5d8/0x8c8 [ 37.600783][ T4221] dev_hard_start_xmit+0x25c/0x9a4 [ 37.601844][ T4221] __dev_queue_xmit+0x186c/0x38d8 [ 37.602957][ T4221] dev_queue_xmit+0x24/0x34 [ 37.603932][ T4221] packet_sendmsg+0x36f0/0x4ce0 [ 37.605011][ T4221] ____sys_sendmsg+0x558/0x844 [ 37.605994][ T4221] __sys_sendmsg+0x26c/0x33c [ 37.606960][ T4221] __arm64_sys_sendmsg+0x80/0x94 [ 37.607998][ T4221] invoke_syscall+0x98/0x2c0 [ 37.608952][ T4221] el0_svc_common+0x138/0x258 [ 37.610011][ T4221] do_el0_svc+0x64/0x218 [ 37.610981][ T4221] el0_svc+0x58/0x168 [ 37.611883][ T4221] el0t_64_sync_handler+0x84/0xf0 [ 37.612991][ T4221] el0t_64_sync+0x18c/0x190 [ 37.614003][ T4221] irq event stamp: 134385 [ 37.614941][ T4221] hardirqs last enabled at (134384): [] kasan_quarantine_put+0xdc/0x204 [ 37.617053][ T4221] hardirqs last disabled at (134385): [] el1_dbg+0x24/0x80 [ 37.618949][ T4221] softirqs last enabled at (134284): [] release_sock+0x178/0x1cc [ 37.621113][ T4221] softirqs last disabled at (134320): [] local_bh_disable+0x10/0x34 [ 37.623175][ T4221] ---[ end trace 0000000000000000 ]--- [ 37.624500][ T4221] skb len=1672 headroom=168 headlen=1672 tailroom=1936 [ 37.624500][ T4221] mac=(168,0) net=(168,20) trans=188 [ 37.624500][ T4221] shinfo(txflags=0 nr_frags=0 gso(size=0 type=0 segs=0)) [ 37.624500][ T4221] csum(0x8906c7 ip_summed=3 complete_sw=0 valid=0 level=0) [ 37.624500][ T4221] hash(0x0 sw=0 l4=0) proto=0x0800 pkttype=0 iif=0 [ 37.631181][ T4221] dev name=veth1_to_team feat=0x000061164fdd19e9 [ 37.632486][ T4221] skb linear: 00000000: 45 02 06 88 e3 cd 00 00 0f 2f 2c 02 ac 14 14 20 [ 37.634321][ T4221] skb linear: 00000010: ef 06 e6 3a 00 00 08 00 bd 0f 06 70 10 82 0c 52 [ 37.636117][ T4221] skb linear: 00000020: 0f 06 2b 6e fd fe 4b 88 94 30 5a f7 9f 6b 4c 11 [ 37.637983][ T4221] skb linear: 00000030: 95 10 da 9f e3 c0 63 76 c3 30 76 a1 67 d5 02 61 [ 37.639749][ T4221] skb linear: 00000040: a6 7a d2 9b 30 8c de 52 1a a0 c3 85 c7 3f ed 0c [ 37.641588][ T4221] skb linear: 00000050: 3a c7 ec 19 86 6e 16 bd bd 00 00 00 d6 91 00 00 [ 37.643400][ T4221] skb linear: 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.645292][ T4221] skb linear: 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.647056][ T4221] skb linear: 00000080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.648824][ T4221] skb linear: 00000090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.650691][ T4221] skb linear: 000000a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.652467][ T4221] skb linear: 000000b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.654226][ T4221] skb linear: 000000c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.656057][ T4221] skb linear: 000000d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.657832][ T4221] skb linear: 000000e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.659603][ T4221] skb linear: 000000f0: 00 00 00 00 00 00 0b 80 00 00 00 00 00 00 00 00 [ 37.661473][ T4221] skb linear: 00000100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.663357][ T4221] skb linear: 00000110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.665263][ T4221] skb linear: 00000120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.670912][ T4221] ------------[ cut here ]------------ [ 37.672101][ T4221] WARNING: CPU: 1 PID: 4221 at net/core/dev.c:3277 skb_checksum_help+0x328/0x4f8 [ 37.674112][ T4221] Modules linked in: [ 37.674906][ T4221] CPU: 1 PID: 4221 Comm: syz-executor173 Tainted: G W 6.1.32-syzkaller #0 [ 37.676982][ T4221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 37.679058][ T4221] pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 37.680708][ T4221] pc : skb_checksum_help+0x328/0x4f8 [ 37.681784][ T4221] lr : skb_checksum_help+0x1cc/0x4f8 [ 37.682923][ T4221] sp : ffff80001d966ae0 [ 37.683799][ T4221] x29: ffff80001d966b00 x28: 0000000000000586 x27: 1fffe0001b03a926 [ 37.685493][ T4221] x26: dfff800000000000 x25: 000000000000061f x24: 0000000000000519 [ 37.687218][ T4221] x23: ffff0000d81d4930 x22: 1fffe0001b03a926 x21: ffff0000d81d4934 [ 37.688915][ T4221] x20: ffff0000d81d48c0 x19: ffff800017ed6000 x18: 0000000000000000 [ 37.690599][ T4221] x17: 3020303020303020 x16: ffff8000084fa74c x15: 0000000000000000 [ 37.692260][ T4221] x14: 00000000ffff8000 x13: 000000005e22b6ec x12: 0000000000000004 [ 37.694012][ T4221] x11: ff808000103f7518 x10: 0000000000000000 x9 : ffff0000d86e0000 [ 37.695784][ T4221] x8 : ffff8000103f7518 x7 : 0000000000000000 x6 : 000000000000003f [ 37.697522][ T4221] x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020 [ 37.699316][ T4221] x2 : 0000000000000000 x1 : 0000000000000519 x0 : 000000000000061f [ 37.701079][ T4221] Call trace: [ 37.701750][ T4221] skb_checksum_help+0x328/0x4f8 [ 37.702778][ T4221] ip_do_fragment+0x1bc/0x1b14 [ 37.703758][ T4221] ip_fragment+0x11c/0x308 [ 37.704683][ T4221] __ip_finish_output+0x280/0x458 [ 37.705777][ T4221] ip_finish_output+0x40/0x268 [ 37.706727][ T4221] ip_output+0x330/0x49c [ 37.707624][ T4221] ip_local_out+0x120/0x160 [ 37.708604][ T4221] iptunnel_xmit+0x40c/0x88c [ 37.709575][ T4221] ip_tunnel_xmit+0x19ac/0x28e8 [ 37.710610][ T4221] ipgre_xmit+0x5d8/0x8c8 [ 37.711517][ T4221] dev_hard_start_xmit+0x25c/0x9a4 [ 37.712599][ T4221] __dev_queue_xmit+0x186c/0x38d8 [ 37.713617][ T4221] dev_queue_xmit+0x24/0x34 [ 37.714655][ T4221] packet_sendmsg+0x36f0/0x4ce0 [ 37.715682][ T4221] ____sys_sendmsg+0x558/0x844 [ 37.716705][ T4221] __sys_sendmsg+0x26c/0x33c [ 37.717628][ T4221] __arm64_sys_sendmsg+0x80/0x94 [ 37.718676][ T4221] invoke_syscall+0x98/0x2c0 [ 37.719670][ T4221] el0_svc_common+0x138/0x258 [ 37.720705][ T4221] do_el0_svc+0x64/0x218 [ 37.721674][ T4221] el0_svc+0x58/0x168 [ 37.722550][ T4221] el0t_64_sync_handler+0x84/0xf0 [ 37.723582][ T4221] el0t_64_sync+0x18c/0x190 [ 37.724530][ T4221] irq event stamp: 134681 [ 37.725424][ T4221] hardirqs last enabled at (134680): [] kasan_quarantine_put+0xdc/0x204 [ 37.727624][ T4221] hardirqs last disabled at (134681): [] el1_dbg+0x24/0x80 [ 37.729582][ T4221] softirqs last enabled at (134284): [] release_sock+0x178/0x1cc [ 37.731614][ T4221] softirqs last disabled at (134320): [] local_bh_disable+0x10/0x34 [ 37.733569][ T4221] ---[ end trace 0000000000000000 ]--- [ 37.734746][ T4221] skb len=1414 headroom=168 headlen=1305 tailroom=0 [ 37.734746][ T4221] mac=(168,0) net=(168,20) trans=188 [ 37.734746][ T4221] shinfo(txflags=0 nr_frags=1 gso(size=0 type=0 segs=0)) [ 37.734746][ T4221] csum(0x8906c7 ip_summed=3 complete_sw=0 valid=0 level=0) [ 37.734746][ T4221] hash(0x0 sw=0 l4=0) proto=0x0800 pkttype=0 iif=0 [ 37.741434][ T4221] dev name=veth1_to_team feat=0x000061164fdd19e9 [ 37.742732][ T4221] sk family=17 type=3 proto=0 [ 37.743741][ T4221] skb linear: 00000000: 45 02 05 86 e3 d4 00 00 0f 2f 2c fd ac 14 14 20 [ 37.745613][ T4221] skb linear: 00000010: ef 06 e6 3a 00 00 08 00 bd 0f 05 6e 10 89 0c 52 [ 37.747317][ T4221] skb linear: 00000020: 0f 06 2c 69 fd fe 4b 88 94 30 5a f7 9f 6b 4c 11 [ 37.749172][ T4221] skb linear: 00000030: 95 10 da 9f e3 c0 63 76 c3 30 76 a1 67 d5 02 61 [ 37.750949][ T4221] skb linear: 00000040: a6 7a d2 9b 30 8c de 52 1a a0 c3 85 c7 3f ed 0c [ 37.752851][ T4221] skb linear: 00000050: 3a c8 16 89 86 6e 16 bd bd 00 00 00 d5 8f 00 00 [ 37.754630][ T4221] skb linear: 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.756309][ T4221] skb linear: 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.758093][ T4221] skb linear: 00000080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.759827][ T4221] skb linear: 00000090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.761609][ T4221] skb linear: 000000a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.763439][ T4221] skb linear: 000000b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.765274][ T4221] skb linear: 000000c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.767006][ T4221] skb linear: 000000d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.768896][ T4221] skb linear: 000000e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.770777][ T4221] skb linear: 000000f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.772521][ T4221] skb linear: 00000100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.774366][ T4221] skb linear: 00000110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.776093][ T4221] skb linear: 00000120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00