DUID 00:04:70:54:fc:d0:2a:32:b7:62:cf:21:72:23:c9:95:e9:3f forked to background, child pid 3172 [ 25.397107][ T3173] 8021q: adding VLAN 0 to HW filter on device bond0 [ 25.410834][ T3173] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.44' (ECDSA) to the list of known hosts. syzkaller login: [ 50.109945][ T3499] chnl_net:caif_netlink_parms(): no params data found [ 50.150631][ T3499] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.157979][ T3499] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.165876][ T3499] device bridge_slave_0 entered promiscuous mode [ 50.174597][ T3499] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.181682][ T3499] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.189478][ T3499] device bridge_slave_1 entered promiscuous mode [ 50.208919][ T3499] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.219755][ T3499] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.242099][ T3499] team0: Port device team_slave_0 added [ 50.249154][ T3499] team0: Port device team_slave_1 added [ 50.266329][ T3499] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.273350][ T3499] 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. [ 50.299233][ T3499] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.311604][ T3499] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.318572][ T3499] 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. [ 50.344456][ T3499] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.374205][ T3499] device hsr_slave_0 entered promiscuous mode [ 50.380723][ T3499] device hsr_slave_1 entered promiscuous mode [ 50.460500][ T3499] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.470658][ T3499] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.480068][ T3499] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.489480][ T3499] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.510882][ T3499] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.518184][ T3499] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.525911][ T3499] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.532993][ T3499] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.573798][ T3499] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.586636][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.596745][ T21] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.605494][ T21] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.614689][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.627888][ T3499] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.639503][ T3505] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.648126][ T3505] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.655199][ T3505] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.666552][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.675023][ T21] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.682100][ T21] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.703165][ T3505] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.712134][ T3505] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.724162][ T3505] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.732038][ T3505] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.743837][ T3499] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.755596][ T3499] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.764129][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.781898][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 50.789276][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 50.799555][ T3499] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.816784][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.835334][ T3499] device veth0_vlan entered promiscuous mode [ 50.842343][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.850485][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.858556][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.871105][ T3499] device veth1_vlan entered promiscuous mode [ 50.888998][ T3505] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 50.897697][ T3505] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 50.906211][ T3505] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.917578][ T3499] device veth0_macvtap entered promiscuous mode [ 50.926025][ T3499] device veth1_macvtap entered promiscuous mode [ 50.939263][ T3499] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 50.947333][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.956358][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 50.966677][ T3499] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 50.974283][ T3505] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 50.984507][ T3499] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.994833][ T3499] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.003829][ T3499] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.013391][ T3499] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.046288][ T3499] ------------[ cut here ]------------ [ 51.051810][ T3499] WARNING: CPU: 1 PID: 3499 at net/core/dev.c:3249 skb_checksum_help+0x3c3/0x560 [ 51.060945][ T3499] Modules linked in: [ 51.064852][ T3499] CPU: 1 PID: 3499 Comm: syz-executor615 Not tainted 5.15.119-syzkaller #0 [ 51.073714][ T3499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 51.083781][ T3499] RIP: 0010:skb_checksum_help+0x3c3/0x560 [ 51.089502][ T3499] Code: ff eb e3 e8 bf f3 4c f9 4c 89 ff e8 b7 01 00 00 bb ea ff ff ff eb cf e8 ab f3 4c f9 0f 0b bb ea ff ff ff eb c1 e8 9d f3 4c f9 <0f> 0b bb ea ff ff ff eb b3 44 89 e1 80 e1 07 fe c1 38 c1 0f 8c 5f [ 51.109141][ T3499] RSP: 0018:ffffc900024deec8 EFLAGS: 00010293 [ 51.115229][ T3499] RAX: ffffffff88330d03 RBX: 0000000000000621 RCX: ffff88801e375940 [ 51.123216][ T3499] RDX: 0000000000000000 RSI: 0000000000000519 RDI: 0000000000000621 [ 51.131188][ T3499] RBP: 0000000000000519 R08: ffffffff88330bf2 R09: fffff5200049bdca [ 51.139207][ T3499] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000005653 [ 51.147196][ T3499] R13: ffff8880137b3430 R14: 1ffff110026f6688 R15: ffff8880137b33c0 [ 51.155180][ T3499] FS: 000055555656d300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 51.164170][ T3499] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.170738][ T3499] CR2: 0000000020001000 CR3: 000000007a06b000 CR4: 00000000003506e0 [ 51.178728][ T3499] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.186715][ T3499] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.194712][ T3499] Call Trace: [ 51.197985][ T3499] [ 51.200899][ T3499] ? __warn+0x15b/0x300 [ 51.205100][ T3499] ? skb_checksum_help+0x3c3/0x560 [ 51.210221][ T3499] ? report_bug+0x1b7/0x2e0 [ 51.214769][ T3499] ? handle_bug+0x3d/0x70 [ 51.219109][ T3499] ? exc_invalid_op+0x16/0x40 [ 51.223805][ T3499] ? asm_exc_invalid_op+0x16/0x20 [ 51.228832][ T3499] ? skb_checksum_help+0x2b2/0x560 [ 51.233970][ T3499] ? skb_checksum_help+0x3c3/0x560 [ 51.239194][ T3499] ? skb_checksum_help+0x3c3/0x560 [ 51.244325][ T3499] ? skb_checksum_help+0x3c3/0x560 [ 51.249476][ T3499] ip_do_fragment+0x1cf/0x1f10 [ 51.254293][ T3499] ? ip_fragment+0x210/0x210 [ 51.258888][ T3499] ? ip_frag_next+0xad0/0xad0 [ 51.263594][ T3499] ? slab_free_freelist_hook+0xdd/0x160 [ 51.269155][ T3499] ? __ip_finish_output+0x276/0x4a0 [ 51.274374][ T3499] ? kmem_cache_free+0x146/0x1f0 [ 51.279345][ T3499] ? ip_fragment+0x9a/0x210 [ 51.283890][ T3499] __ip_finish_output+0x2bd/0x4a0 [ 51.288921][ T3499] iptunnel_xmit+0x50c/0x960 [ 51.293565][ T3499] ip_tunnel_xmit+0x1931/0x2770 [ 51.298428][ T3499] ? ip_tunnel_xmit+0xe1/0x2770 [ 51.303327][ T3499] ? validate_xmit_xfrm+0xb4/0x1020 [ 51.308536][ T3499] ? tnl_update_pmtu+0x10b0/0x10b0 [ 51.313663][ T3499] ? skb_network_protocol+0x6df/0x770 [ 51.319035][ T3499] ? gre_build_header+0x25b/0x8a0 [ 51.324083][ T3499] ipgre_xmit+0x756/0xa60 [ 51.328421][ T3499] dev_hard_start_xmit+0x298/0x7a0 [ 51.333596][ T3499] __dev_queue_xmit+0x1cee/0x3230 [ 51.338642][ T3499] ? __might_sleep+0xc0/0xc0 [ 51.343258][ T3499] ? dev_queue_xmit+0x20/0x20 [ 51.347934][ T3499] ? virtio_net_hdr_to_skb+0x9c1/0x10c0 [ 51.353506][ T3499] ? packet_cached_dev_get+0x260/0x260 [ 51.358983][ T3499] packet_sendmsg+0x4478/0x5e70 [ 51.363871][ T3499] ? aa_sk_perm+0xa30/0xa30 [ 51.368386][ T3499] ? __might_sleep+0xc0/0xc0 [ 51.373011][ T3499] ? aa_sk_perm+0x8fc/0xa30 [ 51.377548][ T3499] ? packet_getsockopt+0xed0/0xed0 [ 51.382707][ T3499] ? aa_sock_msg_perm+0x91/0x150 [ 51.387688][ T3499] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 51.393019][ T3499] ? security_socket_sendmsg+0x7d/0xa0 [ 51.398474][ T3499] ? packet_getsockopt+0xed0/0xed0 [ 51.403615][ T3499] ____sys_sendmsg+0x59e/0x8f0 [ 51.408385][ T3499] ? iovec_from_user+0x300/0x390 [ 51.413347][ T3499] ? __sys_sendmsg_sock+0x30/0x30 [ 51.418382][ T3499] ___sys_sendmsg+0x252/0x2e0 [ 51.423085][ T3499] ? __sys_sendmsg+0x260/0x260 [ 51.427853][ T3499] ? __lock_acquire+0x1295/0x1ff0 [ 51.432926][ T3499] ? __context_tracking_enter+0x5f/0x90 [ 51.438471][ T3499] ? __context_tracking_exit+0x4c/0x80 [ 51.443965][ T3499] ? __fdget+0x158/0x220 [ 51.448235][ T3499] __se_sys_sendmsg+0x19a/0x260 [ 51.453106][ T3499] ? __x64_sys_sendmsg+0x80/0x80 [ 51.458052][ T3499] ? syscall_enter_from_user_mode+0x2e/0x230 [ 51.464064][ T3499] ? lockdep_hardirqs_on+0x94/0x130 [ 51.469268][ T3499] ? syscall_enter_from_user_mode+0x2e/0x230 [ 51.475281][ T3499] do_syscall_64+0x3d/0xb0 [ 51.479700][ T3499] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 51.485605][ T3499] RIP: 0033:0x7fd66a6f1569 [ 51.490028][ T3499] 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 [ 51.509690][ T3499] RSP: 002b:00007ffd0ff45158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 51.518129][ T3499] RAX: ffffffffffffffda RBX: 00007ffd0ff45168 RCX: 00007fd66a6f1569 [ 51.526136][ T3499] RDX: 0000000000000000 RSI: 0000000020002ac0 RDI: 0000000000000003 [ 51.534145][ T3499] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 51.542148][ T3499] R10: 0000000000000004 R11: 0000000000000246 R12: 00007ffd0ff45170 [ 51.550130][ T3499] R13: 00007ffd0ff45190 R14: 0000000000000000 R15: 0000000000000000 [ 51.558133][ T3499] [ 51.561160][ T3499] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 51.568703][ T3499] CPU: 1 PID: 3499 Comm: syz-executor615 Not tainted 5.15.119-syzkaller #0 [ 51.577270][ T3499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 51.587306][ T3499] Call Trace: [ 51.590568][ T3499] [ 51.593524][ T3499] dump_stack_lvl+0x1e3/0x2cb [ 51.598193][ T3499] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 51.603816][ T3499] ? panic+0x84d/0x84d [ 51.607871][ T3499] ? skb_checksum_help+0x3c0/0x560 [ 51.612983][ T3499] ? skb_checksum_help+0x3c0/0x560 [ 51.618082][ T3499] panic+0x318/0x84d [ 51.621958][ T3499] ? __warn+0x16a/0x300 [ 51.626098][ T3499] ? fb_is_primary_device+0xcc/0xcc [ 51.631292][ T3499] ? skb_checksum_help+0x3c3/0x560 [ 51.636383][ T3499] __warn+0x2b2/0x300 [ 51.640361][ T3499] ? skb_checksum_help+0x3c3/0x560 [ 51.645454][ T3499] report_bug+0x1b7/0x2e0 [ 51.649771][ T3499] handle_bug+0x3d/0x70 [ 51.653909][ T3499] exc_invalid_op+0x16/0x40 [ 51.658396][ T3499] asm_exc_invalid_op+0x16/0x20 [ 51.663229][ T3499] RIP: 0010:skb_checksum_help+0x3c3/0x560 [ 51.668934][ T3499] Code: ff eb e3 e8 bf f3 4c f9 4c 89 ff e8 b7 01 00 00 bb ea ff ff ff eb cf e8 ab f3 4c f9 0f 0b bb ea ff ff ff eb c1 e8 9d f3 4c f9 <0f> 0b bb ea ff ff ff eb b3 44 89 e1 80 e1 07 fe c1 38 c1 0f 8c 5f [ 51.688520][ T3499] RSP: 0018:ffffc900024deec8 EFLAGS: 00010293 [ 51.694575][ T3499] RAX: ffffffff88330d03 RBX: 0000000000000621 RCX: ffff88801e375940 [ 51.702539][ T3499] RDX: 0000000000000000 RSI: 0000000000000519 RDI: 0000000000000621 [ 51.710523][ T3499] RBP: 0000000000000519 R08: ffffffff88330bf2 R09: fffff5200049bdca [ 51.718478][ T3499] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000005653 [ 51.726433][ T3499] R13: ffff8880137b3430 R14: 1ffff110026f6688 R15: ffff8880137b33c0 [ 51.734394][ T3499] ? skb_checksum_help+0x2b2/0x560 [ 51.739489][ T3499] ? skb_checksum_help+0x3c3/0x560 [ 51.744584][ T3499] ? skb_checksum_help+0x3c3/0x560 [ 51.749685][ T3499] ip_do_fragment+0x1cf/0x1f10 [ 51.754444][ T3499] ? ip_fragment+0x210/0x210 [ 51.759018][ T3499] ? ip_frag_next+0xad0/0xad0 [ 51.763687][ T3499] ? slab_free_freelist_hook+0xdd/0x160 [ 51.769221][ T3499] ? __ip_finish_output+0x276/0x4a0 [ 51.774409][ T3499] ? kmem_cache_free+0x146/0x1f0 [ 51.779332][ T3499] ? ip_fragment+0x9a/0x210 [ 51.783818][ T3499] __ip_finish_output+0x2bd/0x4a0 [ 51.788832][ T3499] iptunnel_xmit+0x50c/0x960 [ 51.793413][ T3499] ip_tunnel_xmit+0x1931/0x2770 [ 51.798251][ T3499] ? ip_tunnel_xmit+0xe1/0x2770 [ 51.803117][ T3499] ? validate_xmit_xfrm+0xb4/0x1020 [ 51.808300][ T3499] ? tnl_update_pmtu+0x10b0/0x10b0 [ 51.813391][ T3499] ? skb_network_protocol+0x6df/0x770 [ 51.818750][ T3499] ? gre_build_header+0x25b/0x8a0 [ 51.823777][ T3499] ipgre_xmit+0x756/0xa60 [ 51.828118][ T3499] dev_hard_start_xmit+0x298/0x7a0 [ 51.833255][ T3499] __dev_queue_xmit+0x1cee/0x3230 [ 51.838275][ T3499] ? __might_sleep+0xc0/0xc0 [ 51.842856][ T3499] ? dev_queue_xmit+0x20/0x20 [ 51.847518][ T3499] ? virtio_net_hdr_to_skb+0x9c1/0x10c0 [ 51.853060][ T3499] ? packet_cached_dev_get+0x260/0x260 [ 51.858508][ T3499] packet_sendmsg+0x4478/0x5e70 [ 51.863345][ T3499] ? aa_sk_perm+0xa30/0xa30 [ 51.867838][ T3499] ? __might_sleep+0xc0/0xc0 [ 51.872417][ T3499] ? aa_sk_perm+0x8fc/0xa30 [ 51.876907][ T3499] ? packet_getsockopt+0xed0/0xed0 [ 51.882003][ T3499] ? aa_sock_msg_perm+0x91/0x150 [ 51.886932][ T3499] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 51.892207][ T3499] ? security_socket_sendmsg+0x7d/0xa0 [ 51.897662][ T3499] ? packet_getsockopt+0xed0/0xed0 [ 51.902759][ T3499] ____sys_sendmsg+0x59e/0x8f0 [ 51.907507][ T3499] ? iovec_from_user+0x300/0x390 [ 51.912441][ T3499] ? __sys_sendmsg_sock+0x30/0x30 [ 51.917459][ T3499] ___sys_sendmsg+0x252/0x2e0 [ 51.922132][ T3499] ? __sys_sendmsg+0x260/0x260 [ 51.926901][ T3499] ? __lock_acquire+0x1295/0x1ff0 [ 51.931930][ T3499] ? __context_tracking_enter+0x5f/0x90 [ 51.937455][ T3499] ? __context_tracking_exit+0x4c/0x80 [ 51.942896][ T3499] ? __fdget+0x158/0x220 [ 51.947131][ T3499] __se_sys_sendmsg+0x19a/0x260 [ 51.951968][ T3499] ? __x64_sys_sendmsg+0x80/0x80 [ 51.956895][ T3499] ? syscall_enter_from_user_mode+0x2e/0x230 [ 51.962855][ T3499] ? lockdep_hardirqs_on+0x94/0x130 [ 51.968069][ T3499] ? syscall_enter_from_user_mode+0x2e/0x230 [ 51.974036][ T3499] do_syscall_64+0x3d/0xb0 [ 51.978438][ T3499] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 51.984312][ T3499] RIP: 0033:0x7fd66a6f1569 [ 51.988713][ T3499] 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 [ 52.008297][ T3499] RSP: 002b:00007ffd0ff45158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 52.016696][ T3499] RAX: ffffffffffffffda RBX: 00007ffd0ff45168 RCX: 00007fd66a6f1569 [ 52.024652][ T3499] RDX: 0000000000000000 RSI: 0000000020002ac0 RDI: 0000000000000003 [ 52.032608][ T3499] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 52.040560][ T3499] R10: 0000000000000004 R11: 0000000000000246 R12: 00007ffd0ff45170 [ 52.048512][ T3499] R13: 00007ffd0ff45190 R14: 0000000000000000 R15: 0000000000000000 [ 52.056473][ T3499] [ 52.059758][ T3499] Kernel Offset: disabled [ 52.064136][ T3499] Rebooting in 86400 seconds..