forked to background, child pid 3170 [ 12.355299][ T3171] 8021q: adding VLAN 0 to HW filter on device bond0 [ 12.359377][ T3171] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: [ 12.565487][ T3269] sshd (3269) used greatest stack depth: 11040 bytes left OK syzkaller syzkaller login: [ 69.874028][ T42] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.194' (ECDSA) to the list of known hosts. [ 86.277523][ T3596] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 86.330812][ T3600] chnl_net:caif_netlink_parms(): no params data found [ 86.347800][ T3600] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.354996][ T3600] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.362640][ T3600] device bridge_slave_0 entered promiscuous mode [ 86.369701][ T3600] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.376831][ T3600] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.384263][ T3600] device bridge_slave_1 entered promiscuous mode [ 86.394859][ T3600] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 86.404599][ T3600] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.417447][ T3600] team0: Port device team_slave_0 added [ 86.424102][ T3600] team0: Port device team_slave_1 added [ 86.433277][ T3600] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 86.440366][ T3600] 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. [ 86.466361][ T3600] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 86.477522][ T3600] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 86.484454][ T3600] 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. [ 86.510760][ T3600] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 86.526427][ T3600] device hsr_slave_0 entered promiscuous mode [ 86.532754][ T3600] device hsr_slave_1 entered promiscuous mode [ 86.559896][ T3600] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 86.568711][ T3600] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 86.576487][ T3600] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 86.584137][ T3600] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 86.596211][ T3600] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.603472][ T3600] bridge0: port 2(bridge_slave_1) entered forwarding state [ 86.610694][ T3600] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.617759][ T3600] bridge0: port 1(bridge_slave_0) entered forwarding state [ 86.635817][ T3600] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.644913][ T3256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.652538][ T3256] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.660167][ T3256] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.667746][ T3256] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 86.677208][ T3600] 8021q: adding VLAN 0 to HW filter on device team0 [ 86.685369][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 86.693658][ T25] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.700882][ T25] bridge0: port 1(bridge_slave_0) entered forwarding state [ 86.714331][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 86.722893][ T25] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.730174][ T25] bridge0: port 2(bridge_slave_1) entered forwarding state [ 86.737935][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 86.746333][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 86.754445][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 86.762540][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 86.771710][ T3600] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 86.782398][ T3600] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 86.790212][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 86.802324][ T3600] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 86.809770][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 86.817126][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 86.850040][ T3600] device veth0_vlan entered promiscuous mode [ 86.856772][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 86.865460][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 86.873356][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 86.881026][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 86.889721][ T3600] device veth1_vlan entered promiscuous mode [ 86.899574][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 86.907679][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 86.915619][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 86.924512][ T3600] device veth0_macvtap entered promiscuous mode [ 86.931710][ T3600] device veth1_macvtap entered promiscuous mode [ 86.941468][ T3600] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 86.948779][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 86.957582][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 86.966687][ T3600] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 86.974435][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 86.983633][ T3600] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.992427][ T3600] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.001265][ T3600] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 87.011676][ T3600] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program executing program executing program [ 103.453256][ T3600] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888111803800 (size 232): comm "syz-executor101", pid 3618, jiffies 4294946997 (age 12.300s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 e9 0f 81 88 ff ff 00 20 4b 11 81 88 ff ff ......... K..... backtrace: [] __alloc_skb+0x216/0x290 [] alloc_skb_with_frags+0x6a/0x340 [] sock_alloc_send_pskb+0x353/0x3c0 [] j1939_sk_sendmsg+0x2cf/0x810 [] sock_sendmsg+0x56/0x80 [] ____sys_sendmsg+0x36c/0x390 [] ___sys_sendmsg+0x8b/0xd0 [] __sys_sendmsg+0x88/0x100 [] do_syscall_64+0x35/0xb0 [] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: memory leak unreferenced object 0xffff888111758200 (size 512): comm "syz-executor101", pid 3618, jiffies 4294946997 (age 12.300s) hex dump (first 32 bytes): 0d 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 64 00 00 00 00 00 00 00 ........d....... backtrace: [] __alloc_skb+0xe3/0x290 [] alloc_skb_with_frags+0x6a/0x340 [] sock_alloc_send_pskb+0x353/0x3c0 [] j1939_sk_sendmsg+0x2cf/0x810 [] sock_sendmsg+0x56/0x80 [] ____sys_sendmsg+0x36c/0x390 [] ___sys_sendmsg+0x8b/0xd0 [] __sys_sendmsg+0x88/0x100 [] do_syscall_64+0x35/0xb0 [] entry_SYSCALL_64_after_hwframe+0x44/0xae