[ 18.021223][ T5508] 8021q: adding VLAN 0 to HW filter on device bond0 [ 18.024504][ T5508] eql: remember to turn off Van-Jacobson compression on your slave devices [ 18.086373][ T213] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 18.094102][ T5418] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.118' (ECDSA) to the list of known hosts. syzkaller login: [ 41.004485][ T5923] chnl_net:caif_netlink_parms(): no params data found [ 41.040362][ T5923] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.042278][ T5923] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.044733][ T5923] device bridge_slave_0 entered promiscuous mode [ 41.049183][ T5923] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.051146][ T5923] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.053685][ T5923] device bridge_slave_1 entered promiscuous mode [ 41.068259][ T5923] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.072553][ T5923] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.087209][ T5923] team0: Port device team_slave_0 added [ 41.090306][ T5923] team0: Port device team_slave_1 added [ 41.102783][ T5923] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.104596][ T5923] 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. [ 41.111573][ T5923] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.117110][ T5923] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.118975][ T5923] 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. [ 41.126096][ T5923] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.197698][ T5923] device hsr_slave_0 entered promiscuous mode [ 41.235622][ T5923] device hsr_slave_1 entered promiscuous mode [ 41.345682][ T5923] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.397861][ T5923] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.437476][ T5923] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.487758][ T5923] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.553181][ T5923] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.555112][ T5923] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.557373][ T5923] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.559306][ T5923] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.599506][ T5923] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.606449][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.610587][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.613653][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.617603][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 41.624269][ T5923] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.630413][ T1962] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.632878][ T1962] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.634704][ T1962] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.640203][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.642636][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.644421][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.658566][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.661375][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.671591][ T5932] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.679712][ T5932] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.688452][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.692426][ T5923] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.702896][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.704935][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.712060][ T5923] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.723382][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.736322][ T5932] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.738944][ T5932] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.741362][ T5932] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.748645][ T5923] device veth0_vlan entered promiscuous mode [ 41.754464][ T5923] device veth1_vlan entered promiscuous mode [ 41.768618][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.771008][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.773617][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.778198][ T5923] device veth0_macvtap entered promiscuous mode [ 41.782180][ T5923] device veth1_macvtap entered promiscuous mode [ 41.792354][ T5923] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.794381][ T5932] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.797851][ T5932] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 41.803193][ T5923] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.808129][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.812326][ T5923] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.814641][ T5923] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.817101][ T5923] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.819372][ T5923] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.776997][ T5943] ================================================================== [ 42.779134][ T5943] BUG: KASAN: slab-out-of-bounds in do_csum+0x44/0x254 [ 42.780897][ T5943] Read of size 4294967236 at addr ffff0000d5eae83c by task syz-executor633/5943 [ 42.783126][ T5943] [ 42.783734][ T5943] CPU: 1 PID: 5943 Comm: syz-executor633 Not tainted 6.2.0-syzkaller-18300-g2ebd1fbb946d #0 [ 42.786304][ T5943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 42.788908][ T5943] Call trace: [ 42.789757][ T5943] dump_backtrace+0x1c8/0x1f4 [ 42.790975][ T5943] show_stack+0x2c/0x3c [ 42.792051][ T5943] dump_stack_lvl+0xd0/0x124 [ 42.793253][ T5943] print_report+0x174/0x4c0 [ 42.794400][ T5943] kasan_report+0xd4/0x130 [ 42.795532][ T5943] kasan_check_range+0x264/0x2a4 [ 42.796864][ T5943] __kasan_check_read+0x2c/0x3c [ 42.798103][ T5943] do_csum+0x44/0x254 [ 42.799118][ T5943] csum_partial+0x30/0x58 [ 42.800213][ T5943] __udp_gso_segment+0xaf4/0x1bcc [ 42.801517][ T5943] udp4_ufo_fragment+0x3f8/0x6d4 [ 42.802793][ T5943] inet_gso_segment+0x4c4/0x10f4 [ 42.804074][ T5943] skb_mac_gso_segment+0x294/0x56c [ 42.805375][ T5943] __skb_gso_segment+0x254/0x3d8 [ 42.806666][ T5943] validate_xmit_skb+0x364/0xd38 [ 42.807899][ T5943] __dev_queue_xmit+0x12fc/0x3488 [ 42.809157][ T5943] br_dev_queue_push_xmit+0x530/0x658 [ 42.810535][ T5943] NF_HOOK+0x300/0x3ac [ 42.811561][ T5943] br_forward_finish+0xd0/0x118 [ 42.812785][ T5943] NF_HOOK+0x300/0x3ac [ 42.813809][ T5943] __br_forward+0x2f4/0x434 [ 42.814944][ T5943] maybe_deliver+0x2c0/0x390 [ 42.816137][ T5943] br_flood+0x28c/0x3e0 [ 42.817228][ T5943] br_dev_xmit+0xdcc/0x13a0 [ 42.818409][ T5943] dev_hard_start_xmit+0x324/0xc94 [ 42.819715][ T5943] __dev_queue_xmit+0x16d8/0x3488 [ 42.820997][ T5943] dev_queue_xmit+0x24/0x34 [ 42.822162][ T5943] packet_sendmsg+0x3694/0x4ce4 [ 42.823432][ T5943] __sys_sendto+0x3b4/0x504 [ 42.824578][ T5943] __arm64_sys_sendto+0xd8/0xf8 [ 42.825838][ T5943] invoke_syscall+0x98/0x2c0 [ 42.826992][ T5943] el0_svc_common+0x138/0x258 [ 42.828204][ T5943] do_el0_svc+0x64/0x198 [ 42.829283][ T5943] el0_svc+0x58/0x168 [ 42.830321][ T5943] el0t_64_sync_handler+0x84/0xf0 [ 42.831594][ T5943] el0t_64_sync+0x190/0x194 [ 42.832792][ T5943] [ 42.833387][ T5943] Allocated by task 5943: [ 42.834463][ T5943] kasan_set_track+0x4c/0x80 [ 42.835660][ T5943] kasan_save_alloc_info+0x24/0x30 [ 42.836993][ T5943] __kasan_kmalloc+0xac/0xc4 [ 42.838168][ T5943] __kmalloc_node_track_caller+0xd0/0x1c0 [ 42.839592][ T5943] __alloc_skb+0x180/0x324 [ 42.840731][ T5943] skb_segment+0xb04/0x33a0 [ 42.841864][ T5943] __udp_gso_segment+0x5d0/0x1bcc [ 42.843153][ T5943] udp4_ufo_fragment+0x3f8/0x6d4 [ 42.844421][ T5943] inet_gso_segment+0x4c4/0x10f4 [ 42.845653][ T5943] skb_mac_gso_segment+0x294/0x56c [ 42.846980][ T5943] __skb_gso_segment+0x254/0x3d8 [ 42.848255][ T5943] validate_xmit_skb+0x364/0xd38 [ 42.849532][ T5943] __dev_queue_xmit+0x12fc/0x3488 [ 42.850813][ T5943] br_dev_queue_push_xmit+0x530/0x658 [ 42.852206][ T5943] NF_HOOK+0x300/0x3ac [ 42.853233][ T5943] br_forward_finish+0xd0/0x118 [ 42.854450][ T5943] NF_HOOK+0x300/0x3ac [ 42.855496][ T5943] __br_forward+0x2f4/0x434 [ 42.856594][ T5943] maybe_deliver+0x2c0/0x390 [ 42.857782][ T5943] br_flood+0x28c/0x3e0 [ 42.858852][ T5943] br_dev_xmit+0xdcc/0x13a0 [ 42.860027][ T5943] dev_hard_start_xmit+0x324/0xc94 [ 42.861336][ T5943] __dev_queue_xmit+0x16d8/0x3488 [ 42.862642][ T5943] dev_queue_xmit+0x24/0x34 [ 42.863783][ T5943] packet_sendmsg+0x3694/0x4ce4 [ 42.865054][ T5943] __sys_sendto+0x3b4/0x504 [ 42.866161][ T5943] __arm64_sys_sendto+0xd8/0xf8 [ 42.867379][ T5943] invoke_syscall+0x98/0x2c0 [ 42.868515][ T5943] el0_svc_common+0x138/0x258 [ 42.869732][ T5943] do_el0_svc+0x64/0x198 [ 42.870832][ T5943] el0_svc+0x58/0x168 [ 42.871836][ T5943] el0t_64_sync_handler+0x84/0xf0 [ 42.873172][ T5943] el0t_64_sync+0x190/0x194 [ 42.874314][ T5943] [ 42.874896][ T5943] The buggy address belongs to the object at ffff0000d5eae800 [ 42.874896][ T5943] which belongs to the cache kmalloc-1k of size 1024 [ 42.878434][ T5943] The buggy address is located 60 bytes inside of [ 42.878434][ T5943] 1024-byte region [ffff0000d5eae800, ffff0000d5eaec00) [ 42.881898][ T5943] [ 42.882475][ T5943] The buggy address belongs to the physical page: [ 42.884175][ T5943] page:0000000095e2f25a refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x115ea8 [ 42.886784][ T5943] head:0000000095e2f25a order:3 compound_mapcount:0 subpages_mapcount:0 compound_pincount:0 [ 42.889438][ T5943] flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 42.891473][ T5943] raw: 05ffc00000010200 ffff0000c0002780 fffffc000335f200 dead000000000002 [ 42.893709][ T5943] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 42.895924][ T5943] page dumped because: kasan: bad access detected [ 42.897535][ T5943] [ 42.898115][ T5943] Memory state around the buggy address: [ 42.899519][ T5943] ffff0000d5eaeb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 42.901641][ T5943] ffff0000d5eaeb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 42.903700][ T5943] >ffff0000d5eaec00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 42.905737][ T5943] ^ [ 42.906788][ T5943] ffff0000d5eaec80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 42.908888][ T5943] ffff0000d5eaed00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 42.910974][ T5943] ================================================================== [ 42.913147][ T5943] Disabling lock debugging due to kernel taint [ 42.914767][ T5943] ================================================================================ [ 42.917240][ T5943] UBSAN: shift-out-of-bounds in arch/arm64/lib/csum.c:116:15 [ 42.919125][ T5943] shift exponent 512 is too large for 64-bit type 'u64' (aka 'unsigned long long') [ 42.921448][ T5943] CPU: 1 PID: 5943 Comm: syz-executor633 Tainted: G B 6.2.0-syzkaller-18300-g2ebd1fbb946d #0 [ 42.924303][ T5943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 42.926938][ T5943] Call trace: [ 42.927785][ T5943] dump_backtrace+0x1c8/0x1f4 [ 42.929044][ T5943] show_stack+0x2c/0x3c [ 42.930084][ T5943] dump_stack_lvl+0xd0/0x124 [ 42.931283][ T5943] dump_stack+0x1c/0x28 [ 42.932322][ T5943] __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c [ 42.933931][ T5943] do_csum+0x238/0x254 [ 42.934950][ T5943] csum_partial+0x30/0x58 [ 42.936137][ T5943] __udp_gso_segment+0xaf4/0x1bcc [ 42.937445][ T5943] udp4_ufo_fragment+0x3f8/0x6d4 [ 42.938710][ T5943] inet_gso_segment+0x4c4/0x10f4 [ 42.940047][ T5943] skb_mac_gso_segment+0x294/0x56c [ 42.941436][ T5943] __skb_gso_segment+0x254/0x3d8 [ 42.942733][ T5943] validate_xmit_skb+0x364/0xd38 [ 42.943958][ T5943] __dev_queue_xmit+0x12fc/0x3488 [ 42.945260][ T5943] br_dev_queue_push_xmit+0x530/0x658 [ 42.946646][ T5943] NF_HOOK+0x300/0x3ac [ 42.947664][ T5943] br_forward_finish+0xd0/0x118 [ 42.948908][ T5943] NF_HOOK+0x300/0x3ac [ 42.949943][ T5943] __br_forward+0x2f4/0x434 [ 42.951114][ T5943] maybe_deliver+0x2c0/0x390 [ 42.952283][ T5943] br_flood+0x28c/0x3e0 [ 42.953337][ T5943] br_dev_xmit+0xdcc/0x13a0 [ 42.954452][ T5943] dev_hard_start_xmit+0x324/0xc94 [ 42.955845][ T5943] __dev_queue_xmit+0x16d8/0x3488 [ 42.957151][ T5943] dev_queue_xmit+0x24/0x34 [ 42.958317][ T5943] packet_sendmsg+0x3694/0x4ce4 [ 42.959535][ T5943] __sys_sendto+0x3b4/0x504 [ 42.960694][ T5943] __arm64_sys_sendto+0xd8/0xf8 [ 42.961986][ T5943] invoke_syscall+0x98/0x2c0 [ 42.963143][ T5943] el0_svc_common+0x138/0x258 [ 42.964364][ T5943] do_el0_svc+0x64/0x198 [ 42.965416][ T5943] el0_svc+0x58/0x168 [ 42.966419][ T5943] el0t_64_sync_handler+0x84/0xf0 [ 42.967703][ T5943] el0t_64_sync+0x190/0x194 [ 42.968883][ T5943] ================================================================================ [ 42.971172][ T5943] ================================================================================ [ 42.973444][ T5943] UBSAN: shift-out-of-bounds in arch/arm64/lib/csum.c:116:25 [ 42.975294][ T5943] shift exponent 512 is too large for 64-bit type 'u64' (aka 'unsigned long long') [ 42.977666][ T5943] CPU: 1 PID: 5943 Comm: syz-executor633 Tainted: G B 6.2.0-syzkaller-18300-g2ebd1fbb946d #0 [ 42.980513][ T5943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 42.982985][ T5943] Call trace: [ 42.983803][ T5943] dump_backtrace+0x1c8/0x1f4 [ 42.985024][ T5943] show_stack+0x2c/0x3c [ 42.986058][ T5943] dump_stack_lvl+0xd0/0x124 [ 42.987264][ T5943] dump_stack+0x1c/0x28 [ 42.988306][ T5943] __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c [ 42.989956][ T5943] do_csum+0x250/0x254 [ 42.991044][ T5943] csum_partial+0x30/0x58 [ 42.992129][ T5943] __udp_gso_segment+0xaf4/0x1bcc [ 42.993421][ T5943] udp4_ufo_fragment+0x3f8/0x6d4 [ 42.994649][ T5943] inet_gso_segment+0x4c4/0x10f4 [ 42.995880][ T5943] skb_mac_gso_segment+0x294/0x56c [ 42.997163][ T5943] __skb_gso_segment+0x254/0x3d8 [ 42.998448][ T5943] validate_xmit_skb+0x364/0xd38 [ 42.999721][ T5943] __dev_queue_xmit+0x12fc/0x3488 [ 43.001041][ T5943] br_dev_queue_push_xmit+0x530/0x658 [ 43.002390][ T5943] NF_HOOK+0x300/0x3ac [ 43.003451][ T5943] br_forward_finish+0xd0/0x118 [ 43.004667][ T5943] NF_HOOK+0x300/0x3ac [ 43.005716][ T5943] __br_forward+0x2f4/0x434 [ 43.006842][ T5943] maybe_deliver+0x2c0/0x390 [ 43.008035][ T5943] br_flood+0x28c/0x3e0 [ 43.009123][ T5943] br_dev_xmit+0xdcc/0x13a0 [ 43.010283][ T5943] dev_hard_start_xmit+0x324/0xc94 [ 43.011612][ T5943] __dev_queue_xmit+0x16d8/0x3488 [ 43.012874][ T5943] dev_queue_xmit+0x24/0x34 [ 43.014034][ T5943] packet_sendmsg+0x3694/0x4ce4 [ 43.015262][ T5943] __sys_sendto+0x3b4/0x504 [ 43.016441][ T5943] __arm64_sys_sendto+0xd8/0xf8 [ 43.017691][ T5943] invoke_syscall+0x98/0x2c0 [ 43.018857][ T5943] el0_svc_common+0x138/0x258 [ 43.020043][ T5943] do_el0_svc+0x64/0x198 [ 43.021168][ T5943] el0_svc+0x58/0x168 [ 43.022187][ T5943] el0t_64_sync_handler+0x84/0xf0 [ 43.023427][ T5943] el0t_64_sync+0x190/0x194 [ 43.024628][ T5943] ================================================================================ executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 46.176546][ T5979] hsr_slave_0: hsr_addr_subst_dest: Unknown node [ 46.178232][ T5979] hsr_slave_1: hsr_addr_subst_dest: Unknown node [ 46.179847][ T5979] hsr_slave_0: hsr_addr_subst_dest: Unknown node [ 46.181543][ T5979] hsr_slave_1: hsr_addr_subst_dest: Unknown node [ 46.183140][ T5979] hsr_slave_0: hsr_addr_subst_dest: Unknown node [ 46.184805][ T5979] hsr_slave_1: hsr_addr_subst_dest: Unknown node [ 46.186509][ T5979] hsr_slave_0: hsr_addr_subst_dest: Unknown node [ 46.188169][ T5979] hsr_slave_1: hsr_addr_subst_dest: Unknown node [ 46.189902][ T5979] hsr_slave_0: hsr_addr_subst_dest: Unknown node [ 46.191695][ T5979] hsr_slave_1: hsr_addr_subst_dest: Unknown node executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program