[ 14.978996][ T3893] 8021q: adding VLAN 0 to HW filter on device bond0 [ 14.989286][ T3893] eql: remember to turn off Van-Jacobson compression on your slave devices [ 15.028000][ T1689] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 15.030883][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.188' (ECDSA) to the list of known hosts. syzkaller login: [ 38.010449][ T4218] chnl_net:caif_netlink_parms(): no params data found [ 38.039480][ T4218] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.041057][ T4218] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.043197][ T4218] device bridge_slave_0 entered promiscuous mode [ 38.047292][ T4218] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.048838][ T4218] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.050796][ T4218] device bridge_slave_1 entered promiscuous mode [ 38.063506][ T4218] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.067010][ T4218] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.079265][ T4218] team0: Port device team_slave_0 added [ 38.081776][ T4218] team0: Port device team_slave_1 added [ 38.093734][ T4218] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.095189][ T4218] 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. [ 38.100347][ T4218] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.104183][ T4218] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.105558][ T4218] 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. [ 38.110766][ T4218] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.193783][ T4218] device hsr_slave_0 entered promiscuous mode [ 38.242126][ T4218] device hsr_slave_1 entered promiscuous mode [ 38.353677][ T4218] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 38.394376][ T4218] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 38.433867][ T4218] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 38.474100][ T4218] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 38.527689][ T4218] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.529210][ T4218] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.531041][ T4218] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.532502][ T4218] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.565697][ T4218] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.572789][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.576221][ T14] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.579070][ T14] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.581345][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 38.588148][ T4218] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.593362][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.595276][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.596710][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.609648][ T1956] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.611720][ T1956] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.613277][ T1956] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.615585][ T1956] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.618257][ T1956] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.623116][ T4225] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.630483][ T4218] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 38.634352][ T4218] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 38.637513][ T1956] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.639797][ T1956] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.643697][ T1956] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 38.654719][ T4225] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 38.656370][ T4225] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 38.662592][ T4218] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.672810][ T4225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.684341][ T4218] device veth0_vlan entered promiscuous mode [ 38.689092][ T4218] device veth1_vlan entered promiscuous mode [ 38.692342][ T1956] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.694428][ T1956] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 38.696217][ T1956] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 38.698062][ T1956] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 38.701069][ T1956] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 38.714166][ T4225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.718330][ T4218] device veth0_macvtap entered promiscuous mode [ 38.722526][ T4218] device veth1_macvtap entered promiscuous mode [ 38.732606][ T4218] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.734267][ T4225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.736916][ T4225] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 38.741359][ T4218] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.744685][ T1956] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.747400][ T4218] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.749163][ T4218] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.750864][ T4218] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.754551][ T4218] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 38.780767][ T4218] FAULT_INJECTION: forcing a failure. [ 38.780767][ T4218] name failslab, interval 1, probability 0, space 0, times 1 [ 38.783730][ T4218] CPU: 0 PID: 4218 Comm: syz-executor235 Not tainted 6.1.35-syzkaller #0 [ 38.785424][ T4218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 38.787486][ T4218] Call trace: [ 38.788170][ T4218] dump_backtrace+0x1c8/0x1f4 [ 38.789162][ T4218] show_stack+0x2c/0x3c [ 38.789999][ T4218] dump_stack_lvl+0x108/0x170 [ 38.790956][ T4218] dump_stack+0x1c/0x58 [ 38.791922][ T4218] should_fail_ex+0x408/0x5d4 [ 38.792905][ T4218] __should_failslab+0xc8/0x128 [ 38.793902][ T4218] should_failslab+0x10/0x28 [ 38.794907][ T4218] __kmem_cache_alloc_node+0x80/0x388 [ 38.796072][ T4218] kmalloc_trace+0x48/0x94 [ 38.796950][ T4218] nsim_fib_event_nb+0x114/0xe28 [ 38.798028][ T4218] atomic_notifier_call_chain+0x174/0x2a0 [ 38.799182][ T4218] call_fib_notifiers+0x44/0x78 [ 38.800207][ T4218] call_fib6_notifiers+0x60/0x80 [ 38.801253][ T4218] fib6_add+0x16a0/0x32f4 [ 38.802148][ T4218] ip6_route_add+0x94/0x168 [ 38.803097][ T4218] ipv6_route_ioctl+0x3fc/0x670 [ 38.804155][ T4218] inet6_ioctl+0x2d0/0x358 [ 38.805033][ T4218] sock_do_ioctl+0x134/0x2dc [ 38.805950][ T4218] sock_ioctl+0x4ec/0x858 [ 38.806835][ T4218] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.807818][ T4218] invoke_syscall+0x98/0x2c0 [ 38.808749][ T4218] el0_svc_common+0x138/0x258 [ 38.809694][ T4218] do_el0_svc+0x64/0x218 [ 38.810560][ T4218] el0_svc+0x58/0x168 [ 38.811403][ T4218] el0t_64_sync_handler+0x84/0xf0 [ 38.812463][ T4218] el0t_64_sync+0x18c/0x190 [ 38.813944][ T4218] ------------[ cut here ]------------ [ 38.815148][ T4218] WARNING: CPU: 0 PID: 4218 at net/ipv6/ip6_fib.c:1507 fib6_add+0x26a0/0x32f4 [ 38.816946][ T4218] Modules linked in: [ 38.817758][ T4218] CPU: 0 PID: 4218 Comm: syz-executor235 Not tainted 6.1.35-syzkaller #0 [ 38.819410][ T4218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 38.821351][ T4218] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 38.822917][ T4218] pc : fib6_add+0x26a0/0x32f4 [ 38.823938][ T4218] lr : fib6_add+0x26a0/0x32f4 [ 38.824942][ T4218] sp : ffff80001e027520 [ 38.825902][ T4218] x29: ffff80001e027700 x28: ffff0000dd9a0400 x27: ffff80001e027870 [ 38.827503][ T4218] x26: 00000000ffffffff x25: ffff700003c04ec8 x24: ffff0000d798cf00 [ 38.829170][ T4218] x23: 0000000000000000 x22: 0000000000000002 x21: ffff0000d798cda0 [ 38.830827][ T4218] x20: dfff800000000000 x19: 0000000000000000 x18: ffff80001e0267e0 [ 38.832530][ T4218] x17: 0000000000000000 x16: ffff8000084fa400 x15: 0000000000000000 [ 38.834189][ T4218] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 [ 38.836006][ T4218] x11: ff80800010f82814 x10: 0000000000000000 x9 : ffff800010f82814 [ 38.837696][ T4218] x8 : ffff0000db168000 x7 : 0000000000000001 x6 : 0000000000000001 [ 38.839398][ T4218] x5 : 00000000ffffffff x4 : 0000000000000b20 x3 : ffff800010f823f0 [ 38.841094][ T4218] x2 : ffff0000d798cd80 x1 : 0000000000000001 x0 : 0000000000000000 [ 38.842773][ T4218] Call trace: [ 38.843429][ T4218] fib6_add+0x26a0/0x32f4 [ 38.844388][ T4218] ip6_route_add+0x94/0x168 [ 38.845341][ T4218] ipv6_route_ioctl+0x3fc/0x670 [ 38.846314][ T4218] inet6_ioctl+0x2d0/0x358 [ 38.847242][ T4218] sock_do_ioctl+0x134/0x2dc [ 38.848242][ T4218] sock_ioctl+0x4ec/0x858 [ 38.849113][ T4218] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.850200][ T4218] invoke_syscall+0x98/0x2c0 [ 38.851248][ T4218] el0_svc_common+0x138/0x258 [ 38.852271][ T4218] do_el0_svc+0x64/0x218 [ 38.853162][ T4218] el0_svc+0x58/0x168 [ 38.854000][ T4218] el0t_64_sync_handler+0x84/0xf0 [ 38.855045][ T4218] el0t_64_sync+0x18c/0x190 [ 38.856024][ T4218] irq event stamp: 132167 [ 38.856932][ T4218] hardirqs last enabled at (132166): [] exit_to_kernel_mode+0xe8/0x118 [ 38.859137][ T4218] hardirqs last disabled at (132167): [] el1_dbg+0x24/0x80 [ 38.860934][ T4218] softirqs last enabled at (132032): [] l2tp_ip6_hash+0x124/0x180 [ 38.863005][ T4218] softirqs last disabled at (132146): [] ip6_route_add+0x80/0x168 [ 38.864975][ T4218] ---[ end trace 0000000000000000 ]---