x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:28 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x299c8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3600}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1095.479035][T20308] nbd: failed to add new device [ 1095.570829][T20317] nbd: failed to add new device [ 1096.072813][ T3512] device hsr_slave_0 left promiscuous mode [ 1096.097058][ T3512] device hsr_slave_1 left promiscuous mode [ 1096.117262][ T3512] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 1096.147875][ T3512] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 1096.172419][ T3512] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 1096.229177][ T3512] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 1096.264449][ T3512] device bridge_slave_1 left promiscuous mode [ 1096.290609][ T3512] bridge0: port 2(bridge_slave_1) entered disabled state [ 1096.321340][ T3512] device bridge_slave_0 left promiscuous mode [ 1096.327612][ T3512] bridge0: port 1(bridge_slave_0) entered disabled state [ 1096.387291][ T3512] device veth1_macvtap left promiscuous mode [ 1096.394435][ T3512] device veth0_macvtap left promiscuous mode [ 1096.408761][ T3512] device veth1_vlan left promiscuous mode [ 1096.414596][ T3512] device veth0_vlan left promiscuous mode [ 1096.983901][ T3512] team0 (unregistering): Port device team_slave_1 removed [ 1097.001686][ T3512] team0 (unregistering): Port device team_slave_0 removed [ 1097.018674][ T3512] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 1097.034164][ T3512] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 1097.110543][ T3512] bond0 (unregistering): Released all slaves [ 1098.769248][T20339] chnl_net:caif_netlink_parms(): no params data found [ 1098.852126][T20339] bridge0: port 1(bridge_slave_0) entered blocking state [ 1098.861500][T20339] bridge0: port 1(bridge_slave_0) entered disabled state [ 1098.871894][T20339] device bridge_slave_0 entered promiscuous mode [ 1098.882818][T20339] bridge0: port 2(bridge_slave_1) entered blocking state [ 1098.893377][T20339] bridge0: port 2(bridge_slave_1) entered disabled state [ 1098.902655][T20339] device bridge_slave_1 entered promiscuous mode [ 1098.944909][T20339] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1098.961681][T20339] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1099.006391][T20339] team0: Port device team_slave_0 added [ 1099.017253][T20339] team0: Port device team_slave_1 added [ 1099.052137][T20339] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1099.059351][T20339] 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. [ 1099.089514][T20339] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1099.104345][T20339] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1099.111638][T20339] 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. [ 1099.139786][T20339] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1099.188503][T20339] device hsr_slave_0 entered promiscuous mode [ 1099.195926][T20339] device hsr_slave_1 entered promiscuous mode [ 1099.203872][T20339] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1099.211502][T20339] Cannot create hsr debugfs directory [ 1099.340405][T20339] bridge0: port 2(bridge_slave_1) entered blocking state [ 1099.347666][T20339] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1099.355148][T20339] bridge0: port 1(bridge_slave_0) entered blocking state [ 1099.362413][T20339] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1099.429912][T20339] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1099.446284][T10085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1099.455697][T10085] bridge0: port 1(bridge_slave_0) entered disabled state [ 1099.464672][T10085] bridge0: port 2(bridge_slave_1) entered disabled state [ 1099.474604][T10085] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1099.492139][T20339] 8021q: adding VLAN 0 to HW filter on device team0 [ 1099.505201][T17876] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1099.517311][T17876] bridge0: port 1(bridge_slave_0) entered blocking state [ 1099.524543][T17876] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1099.541835][T17876] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1099.554547][T17876] bridge0: port 2(bridge_slave_1) entered blocking state [ 1099.561679][T17876] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1099.591254][T10085] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1099.602910][T10085] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1099.627015][T20339] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1099.638984][T20339] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1099.663462][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1099.672546][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1099.682645][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1099.693630][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1099.715464][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1099.724595][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1099.735455][T20339] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1099.817513][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 1099.830265][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1099.858324][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 1099.866904][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1099.879741][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1099.888692][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1099.899293][T20339] device veth0_vlan entered promiscuous mode [ 1099.914669][T20339] device veth1_vlan entered promiscuous mode [ 1099.944550][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1099.953346][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1099.963267][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 1099.973490][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1099.992743][T20339] device veth0_macvtap entered promiscuous mode [ 1100.004237][T20339] device veth1_macvtap entered promiscuous mode [ 1100.025838][T20339] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1100.037080][T20339] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1100.047040][T20339] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1100.058345][T20339] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1100.068876][T20339] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1100.079526][T20339] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1100.092379][T20339] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1100.103749][T20339] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1100.116004][T20339] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1100.125505][T10085] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1100.135775][T10085] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 1100.144746][T10085] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 1100.153951][T10085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1100.167303][T20339] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1100.179314][T20339] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1100.190248][T20339] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1100.201739][T20339] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1100.211912][T20339] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1100.222472][T20339] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1100.232693][T20339] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1100.243287][T20339] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1100.253197][T20339] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1100.263722][T20339] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1100.275382][T20339] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1100.284169][T17876] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1100.295781][T17876] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1100.414518][ T8667] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1100.429363][ T8667] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1100.452581][T10085] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1100.483933][ T1125] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1100.492634][ T1125] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1100.506890][T17875] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1100.554729][ T25] kauditd_printk_skb: 57 callbacks suppressed [ 1100.554747][ T25] audit: type=1804 audit(1633172133.628:16379): pid=20681 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/0/cgroup.controllers" dev="sda1" ino=13940 res=1 errno=0 [ 1100.559563][T20681] validate_nla: 9 callbacks suppressed [ 1100.559580][T20681] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1100.575020][ T25] audit: type=1804 audit(1633172133.628:16380): pid=20681 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/0/cgroup.controllers" dev="sda1" ino=13940 res=1 errno=0 [ 1100.590289][T20681] nbd: failed to add new device [ 1100.608097][T17875] Bluetooth: hci5: command 0x0409 tx timeout [ 1100.664793][ T25] audit: type=1804 audit(1633172133.738:16381): pid=20682 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/0/cgroup.controllers" dev="sda1" ino=13940 res=1 errno=0 [ 1100.666835][T20682] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1100.714813][ T25] audit: type=1804 audit(1633172133.738:16382): pid=20682 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/0/cgroup.controllers" dev="sda1" ino=13940 res=1 errno=0 [ 1100.715398][T20682] nbd: failed to add new device 10:55:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x35}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:33 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3f000000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:33 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x1ef70, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3700}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:33 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x29b60, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:33 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x4ff0000}}, 0x1c) 10:55:34 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3f090200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1100.893929][ T25] audit: type=1804 audit(1633172133.968:16383): pid=20693 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1894/cgroup.controllers" dev="sda1" ino=14129 res=1 errno=0 [ 1100.907253][T20693] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1100.986463][ T25] audit: type=1804 audit(1633172133.978:16384): pid=20693 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1894/cgroup.controllers" dev="sda1" ino=14129 res=1 errno=0 [ 1101.036725][T20693] nbd: failed to add new device 10:55:34 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x1ecf8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1101.126109][ T25] audit: type=1804 audit(1633172134.128:16385): pid=20701 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/1/cgroup.controllers" dev="sda1" ino=14193 res=1 errno=0 10:55:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x5a}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3800}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:34 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x29c40, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:34 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x40000000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1101.313291][ T25] audit: type=1804 audit(1633172134.128:16386): pid=20701 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/1/cgroup.controllers" dev="sda1" ino=14193 res=1 errno=0 [ 1101.390239][T20714] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1101.409917][T20714] nbd: failed to add new device [ 1101.430977][T20718] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1101.444670][ T25] audit: type=1800 audit(1633172134.158:16387): pid=20701 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="cgroup.controllers" dev="sda1" ino=14193 res=0 errno=0 [ 1101.483564][T20718] nbd: failed to add new device 10:55:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x35}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1101.554164][ T25] audit: type=1804 audit(1633172134.158:16388): pid=20698 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/1/cgroup.controllers" dev="sda1" ino=14193 res=1 errno=0 10:55:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x300}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3900}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:34 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x40030000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:34 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x5000000}}, 0x1c) [ 1101.802899][T20736] netlink: 'syz-executor.4': attribute type 2 has an invalid length. 10:55:34 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x29dd8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1101.852698][T20736] nbd: failed to add new device [ 1101.904460][T20735] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1101.935409][T20735] nbd: failed to add new device 10:55:35 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x40090200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1101.956287][T20738] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1101.984560][T20738] nbd: failed to add new device 10:55:35 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x1ec18, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3a00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x500}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:35 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x41090200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1102.273086][T20760] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1102.296417][T20760] nbd: failed to add new device [ 1102.325852][T20762] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1102.342888][T20762] nbd: failed to add new device 10:55:35 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x29eb8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3900}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1102.390690][T20764] nbd: failed to add new device 10:55:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3b00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x600}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:35 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x42090200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1102.637161][T20776] nbd: failed to add new device [ 1102.644606][T20773] nbd: failed to add new device [ 1102.732004][T20779] nbd: failed to add new device [ 1102.768225][T17876] Bluetooth: hci5: command 0x041b tx timeout [ 1102.814149][T20784] nbd: failed to add new device 10:55:36 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x6000000}}, 0x1c) 10:55:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1900}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3c00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:36 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2a050, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:36 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x43090200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x700}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1103.013721][T20795] nbd: failed to add new device [ 1103.081572][T20794] nbd: failed to add new device 10:55:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3d00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:36 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x1e318, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1103.172984][T20802] nbd: failed to add new device [ 1103.218393][T20807] nbd: failed to add new device 10:55:36 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x44030000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x900}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:36 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2a130, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1103.385613][T20811] nbd: failed to add new device 10:55:36 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x1e238, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1103.628164][T20821] nbd: failed to add new device [ 1103.664168][T20824] nbd: failed to add new device 10:55:37 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x7000000}}, 0x1c) 10:55:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3e00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:37 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x44090200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0xa00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:37 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2a2c8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0xb00}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1104.123129][T20838] nbd: failed to add new device [ 1104.159481][T20840] nbd: failed to add new device [ 1104.166336][T20839] nbd: failed to add new device 10:55:37 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x45090200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3f00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0xb00}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0xb00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:37 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2a3a8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1104.496443][T20855] nbd: failed to add new device 10:55:37 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x46090200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1104.543956][T20861] nbd: failed to add new device [ 1104.577061][T20862] nbd: failed to add new device [ 1104.848834][ T5] Bluetooth: hci5: command 0x040f tx timeout 10:55:38 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x8000000}}, 0x1c) 10:55:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x600}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0xc00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4000}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:38 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x47090200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:38 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2a540, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1105.169604][T20885] nbd: failed to add new device [ 1105.199360][T20889] nbd: failed to add new device [ 1105.232078][T20886] nbd: failed to add new device [ 1105.260870][T20894] nbd: failed to add new device 10:55:38 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x48000000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4100}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x4500}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0xd00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:38 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2a620, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1105.584510][ T25] kauditd_printk_skb: 89 callbacks suppressed [ 1105.584528][ T25] audit: type=1804 audit(1633172138.658:16478): pid=20905 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1904/cgroup.controllers" dev="sda1" ino=14932 res=1 errno=0 [ 1105.597365][T20905] validate_nla: 23 callbacks suppressed [ 1105.597383][T20905] netlink: 'syz-executor.4': attribute type 2 has an invalid length. 10:55:38 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x48090200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1105.744515][ T25] audit: type=1804 audit(1633172138.658:16479): pid=20905 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1904/cgroup.controllers" dev="sda1" ino=14932 res=1 errno=0 [ 1105.790070][T20905] nbd: failed to add new device [ 1105.795446][T20906] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1105.825121][T20906] nbd: failed to add new device [ 1105.843871][ T25] audit: type=1804 audit(1633172138.728:16480): pid=20911 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1642/cgroup.controllers" dev="sda1" ino=14933 res=1 errno=0 [ 1105.901331][T20916] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1105.996382][ T25] audit: type=1804 audit(1633172138.788:16481): pid=20910 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/11/cgroup.controllers" dev="sda1" ino=14939 res=1 errno=0 10:55:39 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x9000000}}, 0x1c) 10:55:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x5a}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4200}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0xe00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:39 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2a7b8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:39 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x49090200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1106.161518][ T25] audit: type=1804 audit(1633172138.788:16482): pid=20906 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1642/cgroup.controllers" dev="sda1" ino=14933 res=1 errno=0 [ 1106.307784][T20932] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1106.325002][ T25] audit: type=1804 audit(1633172138.788:16483): pid=20910 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/11/cgroup.controllers" dev="sda1" ino=14939 res=1 errno=0 [ 1106.379206][T20932] nbd: failed to add new device [ 1106.392920][T20933] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1106.414215][T20933] nbd: failed to add new device [ 1106.447260][ T25] audit: type=1804 audit(1633172138.978:16484): pid=20916 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/11/cgroup.controllers" dev="sda1" ino=14939 res=1 errno=0 [ 1106.455843][T20934] netlink: 'syz-executor.5': attribute type 2 has an invalid length. 10:55:39 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4a000000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:39 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2a620, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1106.566285][ T25] audit: type=1804 audit(1633172138.978:16485): pid=20910 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/11/cgroup.controllers" dev="sda1" ino=14939 res=1 errno=0 [ 1106.614170][T20934] nbd: failed to add new device 10:55:39 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2a898, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4300}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1106.708963][ T25] audit: type=1804 audit(1633172138.988:16486): pid=20918 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1904/cgroup.controllers" dev="sda1" ino=14932 res=1 errno=0 10:55:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0xf00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1106.853722][ T25] audit: type=1804 audit(1633172139.368:16487): pid=20932 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1905/cgroup.controllers" dev="sda1" ino=14940 res=1 errno=0 10:55:40 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4c000000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1106.927819][T17875] Bluetooth: hci5: command 0x0419 tx timeout [ 1106.952278][T20958] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1106.996671][T20958] nbd: failed to add new device [ 1107.137960][T20963] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1107.167866][T20963] nbd: failed to add new device 10:55:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4400}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:40 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2a7b8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:40 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xa000000}}, 0x1c) 10:55:40 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2aa30, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:40 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x52020000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1100}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1107.462636][T20984] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1107.492706][T20984] nbd: failed to add new device [ 1107.522802][T20978] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1107.548371][T20978] nbd: failed to add new device 10:55:40 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x60000000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x3c00}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4500}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1200}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:40 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2ab10, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1107.894253][T20996] nbd: failed to add new device 10:55:41 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x65580000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1107.939571][T21001] nbd: failed to add new device [ 1107.981451][T21003] nbd: failed to add new device 10:55:41 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2aa30, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4600}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:41 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xc000000}}, 0x1c) 10:55:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1300}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:41 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x68000000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:41 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2aca8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1108.369346][T21020] nbd: failed to add new device 10:55:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x202}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4700}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1108.568219][T21027] nbd: failed to add new device 10:55:41 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6c000000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1400}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1108.705799][T21034] nbd: failed to add new device [ 1108.722587][T21038] nbd: failed to add new device 10:55:41 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x1c710, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4800}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:41 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2ad88, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:42 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x74000000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1108.999810][T21049] nbd: failed to add new device [ 1109.120277][T21055] nbd: failed to add new device 10:55:42 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xca10000}}, 0x1c) 10:55:42 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x1c578, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1500}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4900}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:42 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2af20, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:42 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7a000000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1109.652171][T21078] nbd: failed to add new device [ 1109.673825][T21077] nbd: failed to add new device 10:55:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4a00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:42 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7e020000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1600}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:42 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2ad88, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:43 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2b000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1110.048046][T21097] nbd: failed to add new device 10:55:43 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x81000000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1110.073738][T21098] nbd: failed to add new device 10:55:43 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xe000000}}, 0x1c) 10:55:43 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2af20, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4b00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1700}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:43 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x84030000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:43 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2b198, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1110.789103][ T25] kauditd_printk_skb: 84 callbacks suppressed [ 1110.789120][ T25] audit: type=1804 audit(1633172143.869:16572): pid=21124 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1914/cgroup.controllers" dev="sda1" ino=14971 res=1 errno=0 [ 1110.805381][T21124] validate_nla: 14 callbacks suppressed [ 1110.805399][T21124] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1110.849121][ T25] audit: type=1804 audit(1633172143.869:16573): pid=21124 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1914/cgroup.controllers" dev="sda1" ino=14971 res=1 errno=0 [ 1110.957599][T21124] nbd: failed to add new device 10:55:44 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x88020000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1110.978882][ T25] audit: type=1804 audit(1633172143.909:16574): pid=21129 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/20/cgroup.controllers" dev="sda1" ino=14973 res=1 errno=0 [ 1110.984161][T21125] netlink: 'syz-executor.5': attribute type 2 has an invalid length. 10:55:44 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2b278, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1600}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1111.100053][ T25] audit: type=1800 audit(1633172143.909:16575): pid=21129 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="cgroup.controllers" dev="sda1" ino=14973 res=0 errno=0 [ 1111.108070][T21125] nbd: failed to add new device 10:55:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4c00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1111.283558][ T25] audit: type=1804 audit(1633172143.909:16576): pid=21125 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/20/cgroup.controllers" dev="sda1" ino=14973 res=1 errno=0 10:55:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1800}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1111.330190][T21142] netlink: 'syz-executor.1': attribute type 2 has an invalid length. 10:55:44 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x88a8ffff}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1111.363119][T21142] nbd: failed to add new device [ 1111.416362][ T25] audit: type=1804 audit(1633172143.919:16577): pid=21125 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/20/cgroup.controllers" dev="sda1" ino=14973 res=1 errno=0 [ 1111.503957][T21147] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1111.546467][T21147] nbd: failed to add new device [ 1111.575615][ T25] audit: type=1804 audit(1633172144.159:16578): pid=21136 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1914/cgroup.controllers" dev="sda1" ino=14971 res=1 errno=0 [ 1111.598040][T21152] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1111.614168][ T25] audit: type=1804 audit(1633172144.169:16579): pid=21124 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1914/cgroup.controllers" dev="sda1" ino=14971 res=1 errno=0 [ 1111.665161][T21152] nbd: failed to add new device [ 1111.716367][T21158] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1111.740041][T21158] nbd: failed to add new device [ 1111.768700][ T25] audit: type=1804 audit(1633172144.249:16580): pid=21129 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/20/cgroup.controllers" dev="sda1" ino=14973 res=1 errno=0 10:55:44 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf000000}}, 0x1c) 10:55:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x2f00}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:44 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2b410, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:44 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x89800000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4d00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1900}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1111.841826][ T25] audit: type=1804 audit(1633172144.259:16581): pid=21139 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/20/cgroup.controllers" dev="sda1" ino=14973 res=1 errno=0 [ 1112.032575][T21170] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1112.092583][T21170] nbd: failed to add new device 10:55:45 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x94020000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1112.120635][T21172] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1112.159481][T21172] nbd: failed to add new device [ 1112.179539][T21168] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1112.208856][T21168] nbd: failed to add new device 10:55:45 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4e00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:45 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x1abe8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1a00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:45 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2b4f0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:45 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x96b7e1a8}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1112.501647][T21193] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1112.527966][T21193] nbd: failed to add new device [ 1112.600425][T21195] nbd: failed to add new device [ 1112.628315][T21193] nbd: failed to add new device 10:55:46 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x10000000}}, 0x1c) 10:55:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0xc}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1b00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4f00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:46 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x9e030000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:46 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2b688, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1113.161715][T21217] nbd: failed to add new device [ 1113.194522][T21219] nbd: failed to add new device [ 1113.222139][T21216] nbd: failed to add new device [ 1113.239497][T21224] nbd: failed to add new device 10:55:46 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x9effffff}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0xb500}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:46 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x1a970, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1c00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:46 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2b768, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1113.609565][T21237] nbd: failed to add new device [ 1113.640911][T21236] nbd: failed to add new device 10:55:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x9}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1113.877951][T21249] nbd: failed to add new device 10:55:47 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x1c010000}}, 0x1c) 10:55:47 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xa1ffffff}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1d00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:47 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x2}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:47 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2b900, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x9}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1114.277895][T21260] nbd: failed to add new device [ 1114.295473][T21261] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1114.330035][T21261] nbd: must specify at least one socket [ 1114.351983][T21262] nbd: failed to add new device 10:55:47 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xa4010000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0xb500}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1e00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:47 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x3}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:47 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2b9e0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1114.759469][T21281] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1114.791989][T21281] nbd: must specify at least one socket 10:55:47 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xa8e1b796}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1114.813439][T21282] nbd: failed to add new device [ 1114.834707][T21278] nbd: failed to add new device [ 1114.879682][T21290] nbd: failed to add new device 10:55:48 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x1f000000}}, 0x1c) 10:55:48 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x19f90, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x5}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1f00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:48 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2bb78, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:48 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc0010000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1115.464006][T21309] nbd: failed to add new device 10:55:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x6}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:48 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x19908, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1115.535113][T21318] nbd: failed to add new device 10:55:48 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc3ffffff}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x2000}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1115.648055][ T1360] ieee802154 phy0 wpan0: encryption failed: -22 [ 1115.654803][ T1360] ieee802154 phy1 wpan1: encryption failed: -22 10:55:48 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2bc58, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1115.802919][ T25] kauditd_printk_skb: 86 callbacks suppressed [ 1115.802938][ T25] audit: type=1804 audit(1633172148.879:16668): pid=21330 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1923/cgroup.controllers" dev="sda1" ino=15281 res=1 errno=0 10:55:48 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc4020000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1115.930735][T21332] validate_nla: 23 callbacks suppressed [ 1115.930754][T21332] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1115.959720][T21332] nbd: failed to add new device [ 1115.968266][ T25] audit: type=1800 audit(1633172148.879:16669): pid=21330 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="cgroup.controllers" dev="sda1" ino=15281 res=0 errno=0 [ 1116.090471][ T25] audit: type=1804 audit(1633172148.919:16670): pid=21324 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1923/cgroup.controllers" dev="sda1" ino=15281 res=1 errno=0 [ 1116.152503][ T25] audit: type=1800 audit(1633172148.939:16671): pid=21324 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="cgroup.controllers" dev="sda1" ino=15281 res=0 errno=0 [ 1116.187488][ T25] audit: type=1804 audit(1633172148.999:16672): pid=21332 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/29/cgroup.controllers" dev="sda1" ino=15138 res=1 errno=0 [ 1116.218006][ T25] audit: type=1804 audit(1633172148.999:16673): pid=21332 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/29/cgroup.controllers" dev="sda1" ino=15138 res=1 errno=0 [ 1116.260186][ T25] audit: type=1804 audit(1633172149.119:16674): pid=21337 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/29/cgroup.controllers" dev="sda1" ino=15138 res=1 errno=0 10:55:49 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x19828, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x9}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:49 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x20000000}}, 0x1c) 10:55:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x2100}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:49 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc7080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:49 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2bdf0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1116.362234][ T25] audit: type=1804 audit(1633172149.119:16675): pid=21338 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/29/cgroup.controllers" dev="sda1" ino=15138 res=1 errno=0 [ 1116.563341][ T25] audit: type=1804 audit(1633172149.639:16676): pid=21353 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/30/cgroup.controllers" dev="sda1" ino=15468 res=1 errno=0 [ 1116.579561][T21353] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1116.692667][T21353] nbd: failed to add new device [ 1116.704848][ T25] audit: type=1804 audit(1633172149.649:16677): pid=21353 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/30/cgroup.controllers" dev="sda1" ino=15468 res=1 errno=0 10:55:49 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc8010000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x4400}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0xa}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x2200}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:50 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2bed0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:50 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc8020000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1117.049992][T21372] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1117.070946][T21372] nbd: failed to add new device [ 1117.136637][T21376] netlink: 'syz-executor.4': attribute type 2 has an invalid length. 10:55:50 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x19418, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1117.186699][T21376] netlink: 'syz-executor.4': attribute type 1 has an invalid length. [ 1117.221329][T21376] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1117.277093][T21376] nbd: must specify at least one socket 10:55:50 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc8080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:50 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x2c010000}}, 0x1c) 10:55:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x2300}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:50 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2c068, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0xb}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:50 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2bed0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:50 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc9080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1117.816386][T21407] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1117.851841][T21407] netlink: 'syz-executor.4': attribute type 1 has an invalid length. 10:55:50 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x19338, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1117.871840][T21407] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1117.894217][T21407] nbd: must specify at least one socket [ 1117.913013][T21408] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1117.931606][T21408] nbd: failed to add new device 10:55:51 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xca080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0xc}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1117.982133][T21417] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1118.007298][T21417] nbd: failed to add new device 10:55:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x2400}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:51 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2c148, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:51 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x58000000, @loopback}, 0x1c) [ 1118.242536][T21424] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1118.286212][T21424] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1118.327669][T21424] nbd: must specify at least one socket [ 1118.374092][T21427] nbd: failed to add new device 10:55:51 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x30000000}}, 0x1c) 10:55:51 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xcb080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x10}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x2500}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:51 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x44000000, @loopback}, 0x1c) 10:55:51 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2c2e0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1118.871006][T21448] nbd: failed to add new device [ 1118.904823][T21450] nbd: failed to add new device 10:55:52 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x40000000, @loopback}, 0x1c) 10:55:52 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xcc080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x11}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x2600}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:52 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2c3c0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x10}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1119.289628][T21466] nbd: failed to add new device [ 1119.329716][T21472] nbd: failed to add new device [ 1119.345038][T21468] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1119.398090][T21468] nbd: must specify at least one socket [ 1119.479222][T21468] nbd: must specify at least one socket [ 1119.612946][T21478] nbd: failed to add new device 10:55:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x2700}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x14}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:52 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x38010000}}, 0x1c) 10:55:52 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xcd080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:52 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2c558, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:52 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x3cff0000, @loopback}, 0x1c) [ 1119.947310][T21492] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1119.982832][T21492] nbd: must specify at least one socket [ 1120.002989][T21493] nbd: failed to add new device 10:55:53 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x38010000, @loopback}, 0x1c) 10:55:53 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xce080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1120.067575][T21501] nbd: failed to add new device 10:55:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x18}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x2800}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:53 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2c638, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:53 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xf000000, @loopback}, 0x1c) 10:55:53 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xcf080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1120.406518][T21512] nbd: failed to add new device 10:55:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x1a}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1120.750867][T21528] nbd: must specify at least one socket 10:55:53 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x3cff0000}}, 0x1c) 10:55:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x2900}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:53 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2c7d0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:53 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xe000000, @loopback}, 0x1c) 10:55:53 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd0010000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x1c}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1121.022829][ T25] kauditd_printk_skb: 75 callbacks suppressed [ 1121.022846][ T25] audit: type=1804 audit(1633172154.100:16753): pid=21542 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1933/cgroup.controllers" dev="sda1" ino=15495 res=1 errno=0 [ 1121.078060][T21542] validate_nla: 22 callbacks suppressed [ 1121.078081][T21542] netlink: 'syz-executor.4': attribute type 2 has an invalid length. 10:55:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x2d00}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1121.128843][T21542] netlink: 'syz-executor.4': attribute type 1 has an invalid length. 10:55:54 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd0080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1121.170691][T21542] nbd: must specify at least one socket [ 1121.193335][ T25] audit: type=1804 audit(1633172154.140:16754): pid=21542 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1933/cgroup.controllers" dev="sda1" ino=15495 res=1 errno=0 [ 1121.197912][T21543] netlink: 'syz-executor.5': attribute type 2 has an invalid length. 10:55:54 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2c8b0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1121.321166][ T25] audit: type=1804 audit(1633172154.150:16755): pid=21546 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/38/cgroup.controllers" dev="sda1" ino=15496 res=1 errno=0 [ 1121.338418][T21543] nbd: failed to add new device 10:55:54 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x24}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1121.435637][T21554] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1121.458962][ T25] audit: type=1804 audit(1633172154.150:16756): pid=21543 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/38/cgroup.controllers" dev="sda1" ino=15496 res=1 errno=0 [ 1121.473076][T21554] nbd: failed to add new device 10:55:54 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd1080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x2a00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1121.596816][ T25] audit: type=1804 audit(1633172154.380:16757): pid=21553 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1933/cgroup.controllers" dev="sda1" ino=15495 res=1 errno=0 [ 1121.717905][ T25] audit: type=1804 audit(1633172154.380:16758): pid=21542 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1933/cgroup.controllers" dev="sda1" ino=15495 res=1 errno=0 [ 1121.770865][T21567] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1121.801856][T21567] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1121.837405][T21567] nbd: must specify at least one socket [ 1121.861780][ T25] audit: type=1804 audit(1633172154.470:16759): pid=21546 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/38/cgroup.controllers" dev="sda1" ino=15496 res=1 errno=0 [ 1121.895656][T21570] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1121.961923][T21574] netlink: 'syz-executor.5': attribute type 2 has an invalid length. 10:55:55 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x3f000000}}, 0x1c) 10:55:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x2800}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:55 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2ca48, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:55 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd2080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x26}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1122.014988][ T25] audit: type=1804 audit(1633172154.490:16760): pid=21554 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1676/cgroup.controllers" dev="sda1" ino=14116 res=1 errno=0 10:55:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x2b00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1122.070457][ T25] audit: type=1804 audit(1633172154.490:16761): pid=21557 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/38/cgroup.controllers" dev="sda1" ino=15496 res=1 errno=0 [ 1122.232038][T21584] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1122.251068][ T25] audit: type=1804 audit(1633172154.500:16762): pid=21554 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1676/cgroup.controllers" dev="sda1" ino=14116 res=1 errno=0 [ 1122.292771][T21584] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 10:55:55 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd3080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1122.353589][T21584] nbd: must specify at least one socket [ 1122.397963][T21588] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1122.442104][T21588] nbd: failed to add new device [ 1122.463767][T21594] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1122.496474][T21594] nbd: failed to add new device 10:55:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x2f}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:55 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd4080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:55 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2cb28, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:55 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2c8b0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x2c00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1122.860649][T21611] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1122.917390][T21611] nbd: must specify at least one socket 10:55:56 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x40000000}}, 0x1c) 10:55:56 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd5080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:56 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2c8b0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x2d00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:56 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2ccc0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x35}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:56 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd6080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1123.418020][T21635] nbd: failed to add new device 10:55:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x2500}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1123.450845][T21638] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1123.473506][T21638] nbd: must specify at least one socket 10:55:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x2e00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:56 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2cda0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x50}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1123.696326][T21646] nbd: failed to add new device 10:55:56 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd7080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1123.875887][T21654] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1123.900347][T21654] nbd: must specify at least one socket [ 1123.922683][T21655] nbd: failed to add new device [ 1123.962804][T21661] nbd: failed to add new device 10:55:57 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x44000000}}, 0x1c) 10:55:57 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2ccc0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x54}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x2f00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:57 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2cf38, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:57 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd8080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1124.368949][T21676] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1124.424687][T21676] nbd: must specify at least one socket [ 1124.458880][T21677] nbd: failed to add new device 10:55:57 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd9080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x58}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x2d00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3000}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:57 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2d018, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1124.746629][T21692] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1124.794013][T21692] nbd: must specify at least one socket 10:55:57 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xda080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1124.848276][T21692] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1124.898549][T21692] nbd: must specify at least one socket [ 1124.922409][T21695] nbd: failed to add new device [ 1124.930298][T21700] nbd: failed to add new device [ 1124.977060][T21703] nbd: failed to add new device 10:55:58 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x58000000}}, 0x1c) 10:55:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x5a}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:58 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2cf38, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3100}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:58 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2d1b0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:58 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xdb080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1125.454069][T21721] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1125.506357][T21721] nbd: must specify at least one socket [ 1125.551656][T21724] nbd: failed to add new device 10:55:58 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xdc080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3200}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x5c}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1a00}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:58 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2d290, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1125.905332][T21742] nbd: failed to add new device 10:55:59 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xdd080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1125.973578][T21744] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1126.006278][T21744] nbd: must specify at least one socket [ 1126.013231][T21748] nbd: failed to add new device [ 1126.024718][T21743] nbd: failed to add new device [ 1126.051439][ T25] kauditd_printk_skb: 84 callbacks suppressed [ 1126.051457][ T25] audit: type=1804 audit(1633172159.130:16847): pid=21751 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1942/cgroup.controllers" dev="sda1" ino=14947 res=1 errno=0 [ 1126.196840][ T25] audit: type=1800 audit(1633172159.180:16848): pid=21744 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="cgroup.controllers" dev="sda1" ino=14947 res=0 errno=0 10:55:59 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x757b7879}}, 0x1c) 10:55:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3300}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:59 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x16450, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:55:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x84}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:59 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xde030000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:59 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2d428, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1126.500022][ T25] audit: type=1804 audit(1633172159.580:16849): pid=21768 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/48/cgroup.controllers" dev="sda1" ino=15494 res=1 errno=0 [ 1126.513015][T21768] validate_nla: 20 callbacks suppressed [ 1126.513033][T21768] netlink: 'syz-executor.5': attribute type 2 has an invalid length. 10:55:59 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xde080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:55:59 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xf103, @loopback}, 0x1c) [ 1126.608529][ T25] audit: type=1804 audit(1633172159.580:16850): pid=21768 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/48/cgroup.controllers" dev="sda1" ino=15494 res=1 errno=0 [ 1126.652009][T21768] nbd: failed to add new device [ 1126.696686][T21776] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1126.720210][T21776] nbd: failed to add new device 10:55:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x88}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3400}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:55:59 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2d508, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1126.854416][ T25] audit: type=1804 audit(1633172159.730:16851): pid=21775 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1943/cgroup.controllers" dev="sda1" ino=15507 res=1 errno=0 10:56:00 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xdf080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1127.010910][ T25] audit: type=1804 audit(1633172159.740:16852): pid=21775 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1943/cgroup.controllers" dev="sda1" ino=15507 res=1 errno=0 [ 1127.064996][T21787] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1127.100074][T21787] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1127.137468][T21787] nbd: must specify at least one socket [ 1127.140510][ T25] audit: type=1800 audit(1633172159.770:16853): pid=21775 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="cgroup.controllers" dev="sda1" ino=15507 res=0 errno=0 [ 1127.154546][T21790] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1127.203077][T21790] nbd: failed to add new device [ 1127.211898][ T25] audit: type=1804 audit(1633172159.770:16854): pid=21772 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1943/cgroup.controllers" dev="sda1" ino=15507 res=1 errno=0 [ 1127.281639][ T25] audit: type=1804 audit(1633172159.770:16856): pid=21775 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1943/cgroup.controllers" dev="sda1" ino=15507 res=1 errno=0 [ 1127.330100][T21800] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1127.353105][T21800] nbd: failed to add new device [ 1127.378394][ T25] audit: type=1804 audit(1633172159.770:16855): pid=21776 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/48/cgroup.controllers" dev="sda1" ino=15494 res=1 errno=0 10:56:00 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe0080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1300}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:00 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x79787b75}}, 0x1c) 10:56:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8c}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3500}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:00 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2d6a0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1127.612179][T21807] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1127.673957][T21807] nbd: failed to add new device 10:56:00 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe1080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1127.746690][T21814] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1127.780220][T21814] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1127.823343][T21814] nbd: must specify at least one socket [ 1127.849077][T21818] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1127.870725][T21818] nbd: failed to add new device [ 1127.896561][T21809] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1127.935077][T21809] nbd: failed to add new device 10:56:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3600}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:01 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe2030000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0xa0}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:01 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2d508, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:01 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2d780, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1128.183748][T21832] netlink: 'syz-executor.4': attribute type 2 has an invalid length. 10:56:01 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe2080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1128.223919][T21832] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1128.267097][T21832] nbd: must specify at least one socket [ 1128.296797][T21836] nbd: failed to add new device 10:56:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0xc0}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:01 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x8dffffff}}, 0x1c) 10:56:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1300}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:01 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2d918, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3700}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:01 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe3080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1128.595752][T21852] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1128.667779][T21852] nbd: must specify at least one socket [ 1128.752406][T21858] nbd: failed to add new device 10:56:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x110}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1128.799546][T21863] nbd: failed to add new device 10:56:01 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xbcff, @loopback}, 0x1c) [ 1128.864174][T21869] nbd: failed to add new device 10:56:02 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe4080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:02 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3800}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1128.975319][T21872] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1129.029746][T21872] nbd: must specify at least one socket 10:56:02 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2d9f8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:02 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2d918, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x1b0}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1129.181626][T21883] nbd: failed to add new device [ 1129.379076][T21892] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1129.409385][T21892] nbd: must specify at least one socket 10:56:02 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xa1010000}}, 0x1c) 10:56:02 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe4ffffff}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:02 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3900}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:02 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x15660, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x1ba}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:02 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2db90, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1129.766818][T21906] nbd: failed to add new device [ 1129.797764][T21905] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 10:56:02 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe5030000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1129.847514][T21905] nbd: must specify at least one socket 10:56:03 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x14e18, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:03 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2dc70, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3a00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x1de}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:03 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe5080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1130.155186][T21930] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1130.183147][T21930] nbd: must specify at least one socket [ 1130.256553][T21931] nbd: failed to add new device [ 1130.336548][T21937] nbd: failed to add new device 10:56:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x202}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x30, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:03 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xa4410000}}, 0x1c) 10:56:03 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe6080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3b00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:03 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2de08, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1130.778121][T21953] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1130.829172][T21953] nbd: must specify at least one socket [ 1130.851745][T21952] nbd: failed to add new device [ 1130.866429][T21955] nbd: failed to add new device 10:56:04 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe7080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1130.926673][T21964] nbd: failed to add new device 10:56:04 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x30, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:04 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0xc00c}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:04 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3c00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:04 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2dee8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1131.153116][ T25] kauditd_printk_skb: 80 callbacks suppressed [ 1131.153133][ T25] audit: type=1804 audit(1633172164.230:16937): pid=21969 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1695/cgroup.controllers" dev="sda1" ino=14162 res=1 errno=0 [ 1131.225885][T21969] nbd: failed to add new device [ 1131.237950][T21972] nbd: failed to add new device 10:56:04 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe8080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1131.292638][ T25] audit: type=1804 audit(1633172164.290:16938): pid=21969 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1695/cgroup.controllers" dev="sda1" ino=14162 res=1 errno=0 10:56:04 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xc00, @loopback}, 0x1c) 10:56:04 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3d00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1131.416398][ T25] audit: type=1804 audit(1633172164.290:16939): pid=21972 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/57/cgroup.controllers" dev="sda1" ino=14210 res=1 errno=0 [ 1131.502313][T21979] nbd: failed to add new device [ 1131.555035][T21984] validate_nla: 21 callbacks suppressed [ 1131.555054][T21984] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1131.588825][ T25] audit: type=1804 audit(1633172164.290:16940): pid=21972 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/57/cgroup.controllers" dev="sda1" ino=14210 res=1 errno=0 [ 1131.668423][T21984] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'. 10:56:04 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xbcff0000}}, 0x1c) 10:56:04 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe9080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:04 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x4ff, @loopback}, 0x1c) [ 1131.706849][ T25] audit: type=1804 audit(1633172164.361:16941): pid=21974 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/57/cgroup.controllers" dev="sda1" ino=14210 res=1 errno=0 [ 1131.722957][T21984] nbd: must specify at least one socket 10:56:04 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2e080, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1131.810794][T21989] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1131.842600][T21989] nbd: failed to add new device [ 1131.893126][ T25] audit: type=1804 audit(1633172164.361:16942): pid=21974 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/57/cgroup.controllers" dev="sda1" ino=14210 res=1 errno=0 10:56:05 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:05 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3e00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:05 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x141c0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1132.026952][ T25] audit: type=1804 audit(1633172164.561:16943): pid=21979 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/58/cgroup.controllers" dev="sda1" ino=14162 res=1 errno=0 10:56:05 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xea080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1132.082814][ T25] audit: type=1804 audit(1633172164.571:16944): pid=21979 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/58/cgroup.controllers" dev="sda1" ino=14162 res=1 errno=0 [ 1132.169653][T22010] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1132.230821][T22010] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1132.250828][ T25] audit: type=1804 audit(1633172164.621:16945): pid=21984 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1953/cgroup.controllers" dev="sda1" ino=14338 res=1 errno=0 10:56:05 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2e160, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1132.309176][T22011] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1132.333246][T22011] nbd: failed to add new device 10:56:05 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x202}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1132.360680][T22019] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1132.374277][ T25] audit: type=1804 audit(1633172164.631:16946): pid=21984 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1953/cgroup.controllers" dev="sda1" ino=14338 res=1 errno=0 [ 1132.398297][T22019] netlink: 'syz-executor.4': attribute type 2 has an invalid length. 10:56:05 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xeb080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1132.438294][T22021] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1132.458686][T22021] nbd: failed to add new device 10:56:05 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1132.615907][T22027] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1132.632846][T22027] nbd: failed to add new device [ 1132.735872][T22033] netlink: 'syz-executor.4': attribute type 2 has an invalid length. 10:56:05 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xc8ff0000}}, 0x1c) 10:56:05 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x3f00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:05 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x13a58, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:05 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xec030000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:05 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2e2f8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:05 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1132.961074][T22043] nbd: failed to add new device 10:56:06 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:06 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xec080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:06 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4000}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x5}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1133.310679][T22065] nbd: failed to add new device 10:56:06 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xed080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1133.373593][T22066] nbd: failed to add new device 10:56:06 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2e3d8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:06 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xccff0000}}, 0x1c) 10:56:06 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x1b0}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:06 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4100}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x6}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:06 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xee080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:06 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2e570, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1134.023894][T22089] nbd: failed to add new device [ 1134.037053][T22093] nbd: failed to add new device 10:56:07 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xef080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1134.116329][T22101] nbd: failed to add new device 10:56:07 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x1a1, @loopback}, 0x1c) 10:56:07 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x7}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4200}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:07 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2e650, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1134.359390][T22107] nbd: failed to add new device [ 1134.410135][T22113] nbd: failed to add new device 10:56:07 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf0080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1134.473491][T22117] nbd: failed to add new device 10:56:08 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xe4000000}}, 0x1c) 10:56:08 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x58, @loopback}, 0x1c) 10:56:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4300}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:08 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffffff}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:08 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2e7e8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:08 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x12c68, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xa}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1135.148912][T22141] nbd: failed to add new device 10:56:08 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf1080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1135.237488][T22148] nbd: failed to add new device 10:56:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4400}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:08 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2e8c8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1135.408001][T22153] nbd: failed to add new device 10:56:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x35}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1135.628288][T22163] nbd: failed to add new device [ 1135.701113][T22166] nbd: failed to add new device 10:56:09 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xe4ffffff}}, 0x1c) 10:56:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xf}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:09 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf2080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4500}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x6}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:09 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2ea60, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1136.147432][T22181] nbd: failed to add new device [ 1136.160245][ T25] kauditd_printk_skb: 80 callbacks suppressed [ 1136.160264][ T25] audit: type=1804 audit(1633172169.241:17027): pid=22184 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/66/cgroup.controllers" dev="sda1" ino=15027 res=1 errno=0 [ 1136.191118][T22180] nbd: failed to add new device [ 1136.211722][T22184] nbd: failed to add new device [ 1136.268164][T22189] nbd: failed to add new device 10:56:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x10}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:09 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf3080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x5}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4600}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1136.346551][ T25] audit: type=1804 audit(1633172169.251:17028): pid=22180 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1707/cgroup.controllers" dev="sda1" ino=15023 res=1 errno=0 10:56:09 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2eb40, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1136.492009][ T25] audit: type=1804 audit(1633172169.261:17029): pid=22180 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1707/cgroup.controllers" dev="sda1" ino=15023 res=1 errno=0 [ 1136.608618][T22198] validate_nla: 29 callbacks suppressed [ 1136.608637][T22198] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1136.622467][ T25] audit: type=1804 audit(1633172169.271:17030): pid=22185 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1962/cgroup.controllers" dev="sda1" ino=15024 res=1 errno=0 [ 1136.666929][T22198] nbd: failed to add new device 10:56:09 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf4030000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1136.693808][T22199] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1136.724211][T22199] nbd: failed to add new device [ 1136.752818][T22202] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1136.779368][T22202] nbd: failed to add new device [ 1136.801843][ T25] audit: type=1804 audit(1633172169.281:17031): pid=22184 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/66/cgroup.controllers" dev="sda1" ino=15027 res=1 errno=0 [ 1136.894699][ T25] audit: type=1800 audit(1633172169.291:17032): pid=22181 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="cgroup.controllers" dev="sda1" ino=15024 res=0 errno=0 [ 1136.984327][ T25] audit: type=1804 audit(1633172169.341:17033): pid=22189 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/66/cgroup.controllers" dev="sda1" ino=15027 res=1 errno=0 [ 1137.033744][ T25] audit: type=1804 audit(1633172169.341:17034): pid=22191 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/66/cgroup.controllers" dev="sda1" ino=15027 res=1 errno=0 [ 1137.071737][ T25] audit: type=1804 audit(1633172169.671:17035): pid=22198 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1963/cgroup.controllers" dev="sda1" ino=15020 res=1 errno=0 [ 1137.100967][ T25] audit: type=1804 audit(1633172169.681:17036): pid=22198 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1963/cgroup.controllers" dev="sda1" ino=15020 res=1 errno=0 10:56:10 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xe8030000}}, 0x1c) 10:56:10 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2ea60, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x14}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4700}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:10 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2ecd8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:10 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf4080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1137.344495][T22227] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1137.396370][T22227] nbd: failed to add new device [ 1137.435596][T22230] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1137.471055][T22230] nbd: failed to add new device 10:56:10 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf5080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4600}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1137.540247][T22239] netlink: 'syz-executor.5': attribute type 2 has an invalid length. 10:56:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x25}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1137.599666][T22239] nbd: failed to add new device 10:56:10 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2edb8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4800}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:10 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf6080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1137.827160][T22250] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1137.870239][T22250] nbd: failed to add new device [ 1137.887084][T22244] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1137.906927][T22244] nbd: failed to add new device [ 1137.952390][T22253] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1137.998579][T22253] nbd: failed to add new device 10:56:11 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xec030000}}, 0x1c) 10:56:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x35}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4600}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:11 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf7080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4900}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:11 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2ef50, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1138.488712][T22275] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1138.528456][T22275] nbd: failed to add new device [ 1138.553140][T22278] nbd: failed to add new device [ 1138.561533][T22277] nbd: failed to add new device [ 1138.603028][T22284] nbd: failed to add new device 10:56:11 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf8080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x5a}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:11 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2ecd8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4a00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:11 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2f030, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:12 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf9080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1138.954889][T22297] nbd: failed to add new device [ 1138.980779][T22298] nbd: failed to add new device 10:56:12 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf0000000}}, 0x1c) 10:56:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4500}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x300}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x4b00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:12 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfa080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:12 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2f1c8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1139.580478][T22322] nbd: failed to add new device [ 1139.609881][T22324] nbd: failed to add new device 10:56:12 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfb080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1139.642258][T22327] nbd: failed to add new device [ 1139.657197][T22322] nbd: failed to add new device 10:56:12 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x117c8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x500}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x6d00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:13 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2f2a8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:13 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfc080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1140.051888][T22343] nbd: failed to add new device [ 1140.076944][T22342] nbd: failed to add new device 10:56:13 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf0030000}}, 0x1c) 10:56:13 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x11140, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x600}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x8100}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:13 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfcffffff}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:13 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2f440, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1140.558643][T22367] nbd: failed to add new device [ 1140.613666][T22369] nbd: failed to add new device 10:56:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x8, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x700}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:13 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfd080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1140.695235][T22374] nbd: failed to add new device 10:56:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0xff00}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1140.893778][T22382] nbd: failed to add new device 10:56:14 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2f520, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1140.938556][T22381] nbd: failed to add new device 10:56:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x900}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1141.102131][T22388] nbd: failed to add new device [ 1141.187002][ T25] kauditd_printk_skb: 84 callbacks suppressed [ 1141.187021][ T25] audit: type=1804 audit(1633172174.271:17121): pid=22395 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1972/cgroup.controllers" dev="sda1" ino=15014 res=1 errno=0 [ 1141.195248][T22395] nbd: failed to add new device [ 1141.303735][ T25] audit: type=1804 audit(1633172174.271:17122): pid=22395 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1972/cgroup.controllers" dev="sda1" ino=15014 res=1 errno=0 [ 1141.427987][ T25] audit: type=1804 audit(1633172174.421:17123): pid=22398 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1972/cgroup.controllers" dev="sda1" ino=15014 res=1 errno=0 10:56:14 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf1030000}}, 0x1c) 10:56:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0x6c00000000000000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:14 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfe030000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x2}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xa00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:14 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2f6b8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1141.546832][ T25] audit: type=1804 audit(1633172174.421:17124): pid=22395 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1972/cgroup.controllers" dev="sda1" ino=15014 res=1 errno=0 [ 1141.690497][T22409] validate_nla: 18 callbacks suppressed [ 1141.690515][T22409] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1141.756220][ T25] audit: type=1804 audit(1633172174.751:17125): pid=22409 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/76/cgroup.controllers" dev="sda1" ino=15032 res=1 errno=0 [ 1141.762520][T22409] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. 10:56:14 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfe080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1141.872965][T22409] nbd: must specify at least one socket [ 1141.887419][T22408] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1141.917015][ T25] audit: type=1804 audit(1633172174.761:17126): pid=22409 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/76/cgroup.controllers" dev="sda1" ino=15032 res=1 errno=0 [ 1141.929737][T22408] nbd: failed to add new device [ 1142.033445][T22412] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1142.054530][T22412] nbd: failed to add new device [ 1142.076114][ T25] audit: type=1804 audit(1633172174.821:17127): pid=22408 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1717/cgroup.controllers" dev="sda1" ino=15047 res=1 errno=0 10:56:15 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2f798, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:15 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfeff0000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:15 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x10680, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1142.126591][T22421] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1142.146842][T22421] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. 10:56:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xb00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1142.217236][T22421] nbd: must specify at least one socket [ 1142.231894][ T25] audit: type=1804 audit(1633172174.831:17128): pid=22408 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1717/cgroup.controllers" dev="sda1" ino=15047 res=1 errno=0 10:56:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x3}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1142.409717][ T25] audit: type=1804 audit(1633172174.921:17129): pid=22416 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1973/cgroup.controllers" dev="sda1" ino=15053 res=1 errno=0 [ 1142.556913][T22437] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1142.565489][ T25] audit: type=1804 audit(1633172174.931:17130): pid=22416 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1973/cgroup.controllers" dev="sda1" ino=15053 res=1 errno=0 [ 1142.613620][T22437] nbd: failed to add new device 10:56:15 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf2030000}}, 0x1c) 10:56:15 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfeffffff}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:15 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0xff18, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:15 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2f930, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1142.690802][T22442] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1142.725002][T22442] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. 10:56:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xc00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1142.795443][T22442] nbd: must specify at least one socket 10:56:16 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0xfb08, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x4}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:16 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xff000000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1143.104980][T22458] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1143.136054][T22458] nbd: failed to add new device 10:56:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xd00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:16 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2fa10, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1143.341756][T22466] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1143.382072][T22466] netlink: 'syz-executor.5': attribute type 1 has an invalid length. 10:56:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xfc00000000000000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:16 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xff080200}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1143.463544][T22472] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1143.557080][T22473] nbd: failed to add new device [ 1143.734599][T22478] nbd: failed to add new device 10:56:16 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf3030000}}, 0x1c) 10:56:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x5}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xe00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:16 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xff0f0000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x4}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:17 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2fba8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1144.021104][T22492] nbd: failed to add new device [ 1144.095426][T22499] nbd: failed to add new device 10:56:17 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xff7f0000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xf00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x6}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:17 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0xedd0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1144.459351][T22513] nbd: failed to add new device 10:56:17 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2fc88, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:17 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffff0300}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:18 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf4010000}}, 0x1c) 10:56:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1100}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:18 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0xedd0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x7}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:18 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffa888}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:18 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2fe20, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1145.105920][T22538] nbd: failed to add new device 10:56:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x9}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0x1800000000000000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:18 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfffff000}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1200}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1145.449278][T22553] nbd: failed to add new device 10:56:18 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2ff00, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:18 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xf903000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1145.552167][T22559] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1145.609356][T22559] nbd: must specify at least one socket [ 1145.639880][T22560] nbd: failed to add new device [ 1145.682677][T22568] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1145.769330][T22568] nbd: must specify at least one socket 10:56:19 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf4030000}}, 0x1c) 10:56:19 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff7f}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1300}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0xa}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:19 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xf4fe000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:19 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x30098, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1146.205888][ T25] kauditd_printk_skb: 68 callbacks suppressed [ 1146.205905][ T25] audit: type=1804 audit(1633172179.292:17199): pid=22585 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/83/cgroup.controllers" dev="sda1" ino=15526 res=1 errno=0 [ 1146.223896][T22585] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 10:56:19 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff9e}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1146.374022][ T25] audit: type=1804 audit(1633172179.292:17200): pid=22585 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/83/cgroup.controllers" dev="sda1" ino=15526 res=1 errno=0 [ 1146.402103][T22585] nbd: must specify at least one socket 10:56:19 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0xe668, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1146.426893][T22589] nbd: failed to add new device 10:56:19 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x30178, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1400}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0xb}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1146.530725][ T25] audit: type=1804 audit(1633172179.362:17201): pid=22591 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1981/cgroup.controllers" dev="sda1" ino=15528 res=1 errno=0 10:56:19 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffa1}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1146.638512][ T25] audit: type=1800 audit(1633172179.362:17202): pid=22591 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="cgroup.controllers" dev="sda1" ino=15528 res=0 errno=0 [ 1146.767623][ T25] audit: type=1804 audit(1633172179.362:17203): pid=22589 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1981/cgroup.controllers" dev="sda1" ino=15528 res=1 errno=0 [ 1146.862431][T22609] validate_nla: 26 callbacks suppressed [ 1146.862447][T22609] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1146.889845][ T25] audit: type=1804 audit(1633172179.372:17204): pid=22589 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1981/cgroup.controllers" dev="sda1" ino=15528 res=1 errno=0 [ 1146.918514][T22609] netlink: 'syz-executor.5': attribute type 1 has an invalid length. [ 1146.941832][T22609] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1146.966772][T22609] nbd: must specify at least one socket [ 1146.973482][T22610] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1146.992860][ T25] audit: type=1804 audit(1633172179.532:17205): pid=22595 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/83/cgroup.controllers" dev="sda1" ino=15526 res=1 errno=0 [ 1147.023098][T22610] nbd: failed to add new device [ 1147.035759][T22616] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1147.045824][T22616] netlink: 'syz-executor.5': attribute type 1 has an invalid length. [ 1147.061521][T22616] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1147.089758][ T25] audit: type=1800 audit(1633172179.532:17206): pid=22595 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="cgroup.controllers" dev="sda1" ino=15526 res=0 errno=0 [ 1147.116057][T22616] nbd: must specify at least one socket 10:56:20 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf4fe0000}}, 0x1c) 10:56:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xd203000000000000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:20 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffc3}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:20 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x30300, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1500}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0xc}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1147.200682][ T25] audit: type=1804 audit(1633172179.532:17207): pid=22596 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1981/cgroup.controllers" dev="sda1" ino=15528 res=1 errno=0 [ 1147.346104][ T25] audit: type=1804 audit(1633172179.532:17208): pid=22585 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/83/cgroup.controllers" dev="sda1" ino=15526 res=1 errno=0 [ 1147.496751][T22629] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1147.521384][T22629] nbd: failed to add new device 10:56:20 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffe4}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1147.544614][T22634] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1147.563386][T22634] netlink: 'syz-executor.5': attribute type 1 has an invalid length. 10:56:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0xb}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1147.598733][T22634] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1147.637220][T22634] nbd: must specify at least one socket [ 1147.673959][T22635] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1147.695705][T22635] nbd: failed to add new device [ 1147.723481][T22641] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1147.767214][T22641] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 10:56:20 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x30310, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1147.816609][T22641] nbd: must specify at least one socket [ 1147.843305][T22635] nbd: failed to add new device 10:56:21 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff0}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1600}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x10}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1147.996670][T22649] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1148.029823][T22649] nbd: must specify at least one socket [ 1148.195008][T22658] nbd: failed to add new device [ 1148.220538][T22657] nbd: failed to add new device [ 1148.272083][T22664] nbd: failed to add new device 10:56:21 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf5ffffff}}, 0x1c) 10:56:21 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x30300, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:21 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:21 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x303f0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x11}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1700}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1148.650899][T22677] nbd: must specify at least one socket [ 1148.709073][T22680] nbd: failed to add new device 10:56:21 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:21 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf4030000}}, 0x1c) 10:56:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x14}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1800}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:22 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x30588, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:22 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1149.063208][T22693] nbd: must specify at least one socket [ 1149.090819][T22698] nbd: failed to add new device 10:56:22 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf8030000}}, 0x1c) 10:56:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x18}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1900}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:22 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x3, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:22 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x30668, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1149.636482][T22720] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1149.688959][T22718] nbd: failed to add new device 10:56:22 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x7, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x1c}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:23 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xf303000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1a00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:23 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x30800, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:23 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x25, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1150.077370][T22733] nbd: must specify at least one socket [ 1150.196928][T22736] nbd: failed to add new device 10:56:23 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0xdc88, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1150.235672][T22742] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1150.268397][T22743] nbd: failed to add new device 10:56:23 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf9030000}}, 0x1c) 10:56:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x24}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:23 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0xc0, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1b00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:23 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x308e0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:23 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0xda10, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1150.742277][T22758] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1150.756677][T22763] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.3'. 10:56:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa203000000000000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1150.802139][T22758] nbd: must specify at least one socket [ 1150.831447][T22761] nbd: failed to add new device 10:56:24 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0xdfc, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1c00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x26}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:24 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x30a78, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1151.081244][T22775] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1151.150169][T22772] nbd: failed to add new device 10:56:24 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x2, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1151.216074][ T25] kauditd_printk_skb: 82 callbacks suppressed [ 1151.216090][ T25] audit: type=1804 audit(1633172184.302:17291): pid=22778 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1990/cgroup.controllers" dev="sda1" ino=13841 res=1 errno=0 [ 1151.227408][T22778] nbd: failed to add new device [ 1151.351963][ T25] audit: type=1804 audit(1633172184.362:17292): pid=22781 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/92/cgroup.controllers" dev="sda1" ino=15362 res=1 errno=0 [ 1151.396546][T22779] nbd: must specify at least one socket [ 1151.483032][ T25] audit: type=1800 audit(1633172184.362:17293): pid=22781 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="cgroup.controllers" dev="sda1" ino=15362 res=0 errno=0 [ 1151.554551][ T25] audit: type=1804 audit(1633172184.362:17294): pid=22779 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/92/cgroup.controllers" dev="sda1" ino=15362 res=1 errno=0 [ 1151.595871][ T25] audit: type=1804 audit(1633172184.502:17295): pid=22786 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1990/cgroup.controllers" dev="sda1" ino=13841 res=1 errno=0 [ 1151.633836][ T25] audit: type=1800 audit(1633172184.502:17296): pid=22778 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="cgroup.controllers" dev="sda1" ino=13841 res=0 errno=0 [ 1151.661850][ T25] audit: type=1804 audit(1633172184.512:17297): pid=22787 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/92/cgroup.controllers" dev="sda1" ino=15362 res=1 errno=0 10:56:24 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xfa030000}}, 0x1c) 10:56:24 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x308e0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:24 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x4, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1d00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:24 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x30b00, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x2f}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1151.714183][ T25] audit: type=1804 audit(1633172184.512:17298): pid=22781 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/92/cgroup.controllers" dev="sda1" ino=15362 res=1 errno=0 [ 1151.877948][T22800] validate_nla: 27 callbacks suppressed [ 1151.877967][T22800] netlink: 'syz-executor.3': attribute type 4 has an invalid length. [ 1151.907753][ T25] audit: type=1804 audit(1633172184.992:17299): pid=22799 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/93/cgroup.controllers" dev="sda1" ino=15555 res=1 errno=0 [ 1151.950781][T22799] netlink: 'syz-executor.5': attribute type 2 has an invalid length. 10:56:25 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x6, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1152.000709][T22799] __nla_validate_parse: 1 callbacks suppressed [ 1152.000727][T22799] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1152.028478][ T25] audit: type=1804 audit(1633172185.022:17300): pid=22799 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/93/cgroup.controllers" dev="sda1" ino=15555 res=1 errno=0 [ 1152.087804][T22799] nbd: must specify at least one socket [ 1152.109657][T22802] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1152.132557][T22802] nbd: failed to add new device [ 1152.161243][T22809] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1152.190210][T22809] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. 10:56:25 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xa101000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:25 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x8, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1152.240140][T22809] nbd: must specify at least one socket 10:56:25 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x30b58, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1e00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x35}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1152.591819][T22821] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1152.632076][T22821] nbd: failed to add new device [ 1152.648690][T22823] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1152.664673][T22823] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1152.688098][T22823] nbd: must specify at least one socket 10:56:25 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xfc000000}}, 0x1c) 10:56:25 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x14, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xfc000000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:25 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x30cf0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x54}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1f00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1152.982135][T22839] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1153.014317][T22839] nbd: failed to add new device 10:56:26 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x25, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1153.045207][T22841] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1153.065784][T22841] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1153.077442][T22841] nbd: must specify at least one socket [ 1153.109093][T22843] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1153.134722][T22843] nbd: failed to add new device 10:56:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2000}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1153.170764][T22848] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1153.191337][T22848] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. 10:56:26 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0xc160, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:26 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x39, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1153.241358][T22848] nbd: must specify at least one socket [ 1153.322989][T22854] nbd: failed to add new device 10:56:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x58}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:26 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x30dd0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1153.557154][T22862] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1153.603172][T22862] nbd: must specify at least one socket [ 1153.643339][T22867] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1153.672681][T22867] nbd: must specify at least one socket 10:56:27 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xfe800000}}, 0x1c) 10:56:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2100}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:27 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0xe8, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xf0ffffff}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:27 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x30f68, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x5a}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1154.049646][T22881] nbd: failed to add new device 10:56:27 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x70c, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1154.082212][T22880] nbd: failed to add new device [ 1154.087523][T22883] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1154.129502][T22883] nbd: must specify at least one socket 10:56:27 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0xbc70, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1154.183912][T22888] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. 10:56:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2200}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1154.226092][T22888] nbd: must specify at least one socket 10:56:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x84}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:27 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x7b2, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:27 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x31048, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1154.451070][T22895] nbd: failed to add new device [ 1154.545053][T22901] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1154.584401][T22901] nbd: must specify at least one socket [ 1154.625866][T22904] nbd: must specify at least one socket 10:56:28 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xfec00000}}, 0x1c) 10:56:28 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xff000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:28 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2300}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x88}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:28 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x311e0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1155.125061][T22921] nbd: must specify at least one socket [ 1155.155174][T22923] nbd: failed to add new device 10:56:28 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x31048, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:28 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x0, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2400}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0xa0}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1155.451757][T22936] nbd: failed to add new device 10:56:28 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x312c0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:28 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0x3}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1155.528424][T22940] nbd: must specify at least one socket 10:56:29 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xff000000}}, 0x1c) 10:56:29 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0xb370, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2500}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0xc00c}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:29 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0x5}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:29 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x31458, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1156.223121][T22966] nbd: must specify at least one socket [ 1156.237605][ T25] kauditd_printk_skb: 72 callbacks suppressed [ 1156.237623][ T25] audit: type=1804 audit(1633172189.323:17373): pid=22967 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1999/cgroup.controllers" dev="sda1" ino=14849 res=1 errno=0 [ 1156.287213][T22967] nbd: failed to add new device 10:56:29 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xda020000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1156.372666][ T25] audit: type=1804 audit(1633172189.363:17374): pid=22971 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/101/cgroup.controllers" dev="sda1" ino=14833 res=1 errno=0 10:56:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2600}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1156.486549][ T25] audit: type=1804 audit(1633172189.373:17375): pid=22967 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1999/cgroup.controllers" dev="sda1" ino=14849 res=1 errno=0 10:56:29 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x31538, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:29 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xa}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1156.592282][T22978] nbd: failed to add new device [ 1156.649482][ T25] audit: type=1800 audit(1633172189.373:17376): pid=22971 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="cgroup.controllers" dev="sda1" ino=14833 res=0 errno=0 [ 1156.685885][T22983] nbd: failed to add new device [ 1156.777047][ T25] audit: type=1804 audit(1633172189.383:17377): pid=22966 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/101/cgroup.controllers" dev="sda1" ino=14833 res=1 errno=0 [ 1156.879920][ T25] audit: type=1804 audit(1633172189.393:17378): pid=22973 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/101/cgroup.controllers" dev="sda1" ino=14833 res=1 errno=0 [ 1156.963892][ T25] audit: type=1804 audit(1633172189.443:17379): pid=22974 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1999/cgroup.controllers" dev="sda1" ino=14849 res=1 errno=0 [ 1157.037610][ T25] audit: type=1804 audit(1633172189.443:17380): pid=22967 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/1999/cgroup.controllers" dev="sda1" ino=14849 res=1 errno=0 [ 1157.098193][ T25] audit: type=1804 audit(1633172189.653:17381): pid=22978 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1746/cgroup.controllers" dev="sda1" ino=14707 res=1 errno=0 [ 1157.139520][ T25] audit: type=1804 audit(1633172189.663:17382): pid=22978 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1746/cgroup.controllers" dev="sda1" ino=14707 res=1 errno=0 10:56:30 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xffffff8d}}, 0x1c) 10:56:30 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xc8ff0000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2700}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:30 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0x10}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:30 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x316d0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1157.370829][T23008] validate_nla: 21 callbacks suppressed [ 1157.370848][T23008] netlink: 'syz-executor.5': attribute type 2 has an invalid length. 10:56:30 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x31538, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1157.449061][T23008] netlink: 'syz-executor.5': attribute type 3 has an invalid length. 10:56:30 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0x12}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1157.497658][T23013] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1157.531871][T23013] nbd: failed to add new device 10:56:30 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x317b0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1157.588806][T23021] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1157.611064][T23021] netlink: 'syz-executor.5': attribute type 3 has an invalid length. 10:56:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2800}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:30 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x9c58, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1157.737090][T23027] __nla_validate_parse: 6 callbacks suppressed [ 1157.737110][T23027] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1157.915185][T23033] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1157.967117][T23033] nbd: failed to add new device [ 1158.026754][T23037] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1158.058790][T23037] netlink: 'syz-executor.5': attribute type 4 has an invalid length. 10:56:31 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xffffffe4}}, 0x1c) 10:56:31 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0x14}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0x7a030000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2900}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:31 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x31948, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x5}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1158.414840][T23053] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1158.511101][T23055] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1158.566824][T23055] nbd: failed to add new device [ 1158.581175][T23056] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1158.600355][T23057] nbd: failed to add new device 10:56:31 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0x15}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:31 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xffffff8d}}, 0x1c) 10:56:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2a00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x6}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:31 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x31a28, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:32 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0x25}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1158.985519][T23076] nbd: failed to add new device [ 1159.086671][T23083] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.3'. 10:56:32 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xfffffff5}}, 0x1c) 10:56:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x7}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2b00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:32 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0x63}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:32 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x31bc0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1159.456635][T23097] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1159.498784][T23095] nbd: failed to add new device [ 1159.528311][T23096] nbd: failed to add new device 10:56:32 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x2}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2b00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2c00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:32 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x3}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:32 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x31ca0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xa}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1160.024046][T23116] nbd: failed to add new device [ 1160.089547][T23117] nbd: failed to add new device [ 1160.169822][T23124] nbd: failed to add new device [ 1160.212750][T23122] nbd: failed to add new device 10:56:33 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x8000000000}}, 0x1c) 10:56:33 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x4}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2d00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xf}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:33 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x31e38, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xa}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1160.557005][T23137] nbd: failed to add new device 10:56:33 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x5}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1160.619849][T23138] nbd: failed to add new device 10:56:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2e00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1160.646402][T23136] nbd: failed to add new device [ 1160.711718][T23143] nbd: failed to add new device 10:56:33 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x1c010000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x10}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:33 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x6}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:34 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x31f18, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1160.894714][T23149] nbd: failed to add new device [ 1161.038265][T23155] nbd: failed to add new device [ 1161.115448][T23159] nbd: failed to add new device 10:56:34 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x8d88, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2f00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:34 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x10000000000}}, 0x1c) 10:56:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x14}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:34 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x7}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:34 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x320b0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1161.640054][ T25] kauditd_printk_skb: 88 callbacks suppressed [ 1161.640071][ T25] audit: type=1804 audit(1633172194.723:17471): pid=23178 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2009/cgroup.controllers" dev="sda1" ino=15147 res=1 errno=0 10:56:34 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x8}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1161.687084][T23180] nbd: failed to add new device [ 1161.720807][T23178] nbd: failed to add new device 10:56:34 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x31f18, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1161.790063][T23178] nbd: failed to add new device [ 1161.814232][ T25] audit: type=1804 audit(1633172194.743:17472): pid=23180 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/112/cgroup.controllers" dev="sda1" ino=15149 res=1 errno=0 10:56:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x25}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3000}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1161.947947][ T25] audit: type=1804 audit(1633172194.753:17473): pid=23180 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/112/cgroup.controllers" dev="sda1" ino=15149 res=1 errno=0 10:56:35 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:35 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x32190, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1162.105756][ T25] audit: type=1804 audit(1633172194.773:17474): pid=23178 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2009/cgroup.controllers" dev="sda1" ino=15147 res=1 errno=0 [ 1162.188645][T23196] nbd: failed to add new device 10:56:35 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x8620, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1162.208880][T23195] nbd: failed to add new device 10:56:35 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xa}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1162.241404][ T25] audit: type=1804 audit(1633172194.843:17475): pid=23182 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/112/cgroup.controllers" dev="sda1" ino=15149 res=1 errno=0 [ 1162.261575][T23200] nbd: failed to add new device [ 1162.387879][ T25] audit: type=1804 audit(1633172194.853:17476): pid=23183 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/112/cgroup.controllers" dev="sda1" ino=15149 res=1 errno=0 [ 1162.451401][ T25] audit: type=1800 audit(1633172194.863:17477): pid=23185 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="cgroup.controllers" dev="sda1" ino=15147 res=0 errno=0 [ 1162.529715][ T25] audit: type=1804 audit(1633172194.863:17478): pid=23178 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2009/cgroup.controllers" dev="sda1" ino=15147 res=1 errno=0 10:56:35 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x20000000000}}, 0x1c) 10:56:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3100}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x35}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:35 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xfe010000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:35 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x32328, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1162.691715][ T25] audit: type=1804 audit(1633172194.863:17479): pid=23185 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2009/cgroup.controllers" dev="sda1" ino=15147 res=1 errno=0 [ 1162.788566][T23216] validate_nla: 29 callbacks suppressed [ 1162.788585][T23216] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1162.805660][ T25] audit: type=1804 audit(1633172195.253:17480): pid=23195 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/113/cgroup.controllers" dev="sda1" ino=15150 res=1 errno=0 10:56:36 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xd}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1162.855230][T23216] nbd: failed to add new device [ 1162.872552][T23217] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1162.895057][T23217] nbd: failed to add new device [ 1162.970359][T23227] netlink: 'syz-executor.5': attribute type 2 has an invalid length. 10:56:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3200}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1163.022765][T23227] nbd: failed to add new device 10:56:36 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xf}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1163.058834][T23222] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1163.101672][T23222] nbd: failed to add new device 10:56:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x5a}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0x62030000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:36 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x32408, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1163.260337][T23235] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1163.298246][T23235] nbd: failed to add new device [ 1163.452007][T23240] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1163.534680][T23240] nbd: failed to add new device [ 1163.578458][T23247] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1163.589305][T23247] nbd: failed to add new device [ 1163.596228][T23244] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1163.613024][T23244] nbd: failed to add new device 10:56:36 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x1000000000000}}, 0x1c) 10:56:36 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x10}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3300}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:36 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x325a0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x300}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0x62030000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:37 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x11}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1163.881356][T23257] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1163.926454][T23257] nbd: failed to add new device [ 1163.950596][T23259] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1163.992468][T23259] nbd: failed to add new device 10:56:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3400}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x500}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:37 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x32680, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:37 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x13}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:37 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x32328, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1164.352594][T23278] nbd: failed to add new device [ 1164.371876][T23279] nbd: failed to add new device 10:56:37 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x40030000000000}}, 0x1c) 10:56:37 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x30}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3500}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x600}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:37 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x32328, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:37 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x32818, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:38 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x39}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1165.011895][T23302] nbd: failed to add new device [ 1165.038435][T23303] nbd: failed to add new device 10:56:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3600}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x700}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:38 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x34000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:38 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x3d}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:38 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x328f8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1165.373532][T23314] nbd: failed to add new device [ 1165.448944][T23318] nbd: failed to add new device [ 1165.521488][T23325] nbd: failed to add new device 10:56:38 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xff000000000000}}, 0x1c) 10:56:38 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x4b}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:38 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x20000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3700}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x900}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:38 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x32a90, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:39 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x63}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1166.071483][T23343] nbd: failed to add new device [ 1166.089638][T23341] nbd: failed to add new device [ 1166.149049][T23347] nbd: failed to add new device 10:56:39 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x66e8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3800}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xa00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:39 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x118}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:39 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x32b70, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1166.434386][T23357] nbd: failed to add new device [ 1166.488748][T23358] nbd: failed to add new device [ 1166.543194][T23362] nbd: failed to add new device 10:56:40 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x100000000000000}}, 0x1c) 10:56:40 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x32a90, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3900}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xb00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:40 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x300}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:40 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x32d08, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1167.205165][ T25] kauditd_printk_skb: 78 callbacks suppressed [ 1167.205182][ T25] audit: type=1804 audit(1633172200.283:17559): pid=23383 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2019/cgroup.controllers" dev="sda1" ino=15573 res=1 errno=0 [ 1167.219376][T23383] nbd: failed to add new device 10:56:40 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x306}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1167.377905][ T25] audit: type=1804 audit(1633172200.283:17560): pid=23383 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2019/cgroup.controllers" dev="sda1" ino=15573 res=1 errno=0 10:56:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xaa000000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3a00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xc00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1167.492699][ T25] audit: type=1800 audit(1633172200.443:17561): pid=23386 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="cgroup.controllers" dev="sda1" ino=15575 res=0 errno=0 10:56:40 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x32de8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:40 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x308}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1167.597522][ T25] audit: type=1804 audit(1633172200.443:17562): pid=23385 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/122/cgroup.controllers" dev="sda1" ino=15575 res=1 errno=0 [ 1167.705116][ T25] audit: type=1804 audit(1633172200.483:17563): pid=23390 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/122/cgroup.controllers" dev="sda1" ino=15575 res=1 errno=0 [ 1167.765503][T23399] nbd: failed to add new device [ 1167.822352][T23401] validate_nla: 17 callbacks suppressed [ 1167.822372][T23401] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1167.863838][ T25] audit: type=1804 audit(1633172200.493:17564): pid=23391 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2019/cgroup.controllers" dev="sda1" ino=15573 res=1 errno=0 [ 1167.943214][T23401] nbd: failed to add new device [ 1167.948179][T23404] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1167.966413][T23404] nbd: failed to add new device [ 1167.996409][T23409] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1167.999795][ T25] audit: type=1804 audit(1633172200.503:17565): pid=23391 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2019/cgroup.controllers" dev="sda1" ino=15573 res=1 errno=0 [ 1168.040371][T23409] nbd: failed to add new device [ 1168.047577][ T25] audit: type=1804 audit(1633172200.823:17566): pid=23402 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2020/cgroup.controllers" dev="sda1" ino=15443 res=1 errno=0 [ 1168.077288][ T25] audit: type=1804 audit(1633172200.833:17567): pid=23399 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2020/cgroup.controllers" dev="sda1" ino=15443 res=1 errno=0 [ 1168.150816][ T25] audit: type=1804 audit(1633172200.884:17568): pid=23406 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2020/cgroup.controllers" dev="sda1" ino=15443 res=1 errno=0 10:56:41 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x200000000000000}}, 0x1c) 10:56:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3b00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:41 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x30a}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:41 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x32d08, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xd00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:41 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x32f80, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1168.437436][T23420] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1168.467491][T23420] nbd: failed to add new device 10:56:41 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x324}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xc00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1168.522133][T23421] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1168.557343][T23421] nbd: failed to add new device 10:56:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3c00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1168.649573][T23429] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1168.714031][T23429] nbd: failed to add new device 10:56:41 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x33060, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xe00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:41 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x334}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1168.787646][T23434] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1168.821034][T23434] nbd: failed to add new device [ 1168.923882][T23438] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1168.976767][T23438] nbd: failed to add new device [ 1169.035263][T23442] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1169.071756][T23442] nbd: failed to add new device [ 1169.153612][T23448] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1169.177959][T23448] nbd: failed to add new device 10:56:42 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x300000000000000}}, 0x1c) 10:56:42 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xa441, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3d00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:42 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x336}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:42 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x331f8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xf00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1169.534187][T23460] nbd: failed to add new device [ 1169.557218][T23461] nbd: failed to add new device 10:56:42 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x339}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0x7a010000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3e00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1100}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:42 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x8b00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:42 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x332d8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1169.960294][T23479] nbd: failed to add new device [ 1169.982522][T23480] nbd: failed to add new device [ 1169.995479][T23478] nbd: failed to add new device 10:56:43 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x400000000000000}}, 0x1c) 10:56:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3f00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:43 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x8c00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:43 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x331f8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1200}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:43 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x33470, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1170.665026][T23507] nbd: failed to add new device 10:56:43 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x8d00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1170.733243][T23504] nbd: failed to add new device 10:56:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4000}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1300}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0x7a000000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:44 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x8e00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:44 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x33550, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1171.112468][T23520] nbd: failed to add new device [ 1171.133133][T23522] nbd: failed to add new device [ 1171.275029][T23524] nbd: failed to add new device 10:56:44 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x4ff000000000000}}, 0x1c) 10:56:44 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x8f00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4100}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1400}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:44 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x33470, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:44 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x336e8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1171.696527][T23544] nbd: failed to add new device [ 1171.736119][T23543] nbd: failed to add new device 10:56:44 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x9000}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:44 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x33550, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1500}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4200}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:45 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x9100}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1172.097094][T23561] nbd: failed to add new device 10:56:45 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x337c8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1172.163739][T23562] nbd: failed to add new device [ 1172.212302][ T25] kauditd_printk_skb: 88 callbacks suppressed [ 1172.212319][ T25] audit: type=1804 audit(1633172205.294:17657): pid=23564 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/131/cgroup.controllers" dev="sda1" ino=15129 res=1 errno=0 10:56:45 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x500000000000000}}, 0x1c) 10:56:45 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x55a0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:45 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4300}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1600}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:45 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x9200}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:45 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x33960, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1172.819642][ T25] audit: type=1804 audit(1633172205.894:17658): pid=23585 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2029/cgroup.controllers" dev="sda1" ino=15596 res=1 errno=0 [ 1172.837367][T23585] nbd: failed to add new device 10:56:45 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x9300}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1172.929840][T23584] validate_nla: 15 callbacks suppressed [ 1172.929866][T23584] netlink: 'syz-executor.5': attribute type 2 has an invalid length. 10:56:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4200}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1172.959611][ T25] audit: type=1804 audit(1633172205.894:17659): pid=23585 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2029/cgroup.controllers" dev="sda1" ino=15596 res=1 errno=0 [ 1172.972705][T23584] nbd: failed to add new device 10:56:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4400}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:46 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x33a40, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:46 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x9400}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1700}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1173.131625][ T25] audit: type=1804 audit(1633172205.934:17660): pid=23590 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/132/cgroup.controllers" dev="sda1" ino=15598 res=1 errno=0 [ 1173.222502][ T25] audit: type=1804 audit(1633172205.944:17661): pid=23584 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/132/cgroup.controllers" dev="sda1" ino=15598 res=1 errno=0 [ 1173.331866][T23600] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1173.355424][T23600] nbd: failed to add new device [ 1173.369308][ T25] audit: type=1804 audit(1633172206.084:17662): pid=23595 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2029/cgroup.controllers" dev="sda1" ino=15596 res=1 errno=0 [ 1173.443273][T23605] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1173.485548][T23605] nbd: failed to add new device [ 1173.512403][T23608] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1173.538993][ T25] audit: type=1804 audit(1633172206.094:17663): pid=23585 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2029/cgroup.controllers" dev="sda1" ino=15596 res=1 errno=0 [ 1173.544933][T23608] nbd: failed to add new device [ 1173.631409][ T25] audit: type=1804 audit(1633172206.144:17664): pid=23590 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/132/cgroup.controllers" dev="sda1" ino=15598 res=1 errno=0 [ 1173.781998][ T25] audit: type=1804 audit(1633172206.154:17665): pid=23597 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/132/cgroup.controllers" dev="sda1" ino=15598 res=1 errno=0 10:56:46 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x600000000000000}}, 0x1c) 10:56:46 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x9500}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0x72030000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:46 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x33bd8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4500}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1800}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1173.820380][ T25] audit: type=1804 audit(1633172206.364:17666): pid=23600 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1777/cgroup.controllers" dev="sda1" ino=15026 res=1 errno=0 [ 1174.002895][T23622] netlink: 'syz-executor.4': attribute type 2 has an invalid length. 10:56:47 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x9600}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1174.045175][T23622] nbd: failed to add new device [ 1174.105367][T23630] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1174.136946][T23630] nbd: failed to add new device 10:56:47 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4600}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1174.177844][T23635] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1174.200112][T23635] nbd: failed to add new device [ 1174.214330][T23629] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1174.250886][T23629] nbd: failed to add new device 10:56:47 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x9700}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:47 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x33cb8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1900}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0x2000000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1174.501882][T23642] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1174.543349][T23642] nbd: failed to add new device [ 1174.638442][T23647] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1174.688006][T23647] nbd: failed to add new device [ 1174.711699][T23649] nbd: failed to add new device [ 1174.748291][T23651] nbd: failed to add new device 10:56:48 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x700000000000000}}, 0x1c) 10:56:48 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x9800}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4700}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:48 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x33e50, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:48 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x1f00, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1a00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1175.129870][T23663] nbd: failed to add new device [ 1175.164120][T23664] nbd: failed to add new device 10:56:48 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x9900}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:48 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x4d58, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1175.222663][T23669] nbd: failed to add new device 10:56:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4800}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:48 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x9a00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1b00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:48 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x33f30, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1175.512361][T23680] nbd: failed to add new device [ 1175.581000][T23682] nbd: failed to add new device [ 1175.634869][T23686] nbd: failed to add new device 10:56:49 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x800000000000000}}, 0x1c) 10:56:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4900}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0x400300}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:49 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x9b00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1c00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:49 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34002, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1176.271518][T23702] nbd: failed to add new device [ 1176.297126][T23703] nbd: failed to add new device 10:56:49 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x9c00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:49 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34003, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1176.360903][T23711] nbd: failed to add new device [ 1176.380895][T23704] nbd: failed to add new device 10:56:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4a00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1d00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0x60000000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1176.642757][T23717] nbd: failed to add new device 10:56:49 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x9d00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1176.776884][T23724] nbd: failed to add new device [ 1176.825300][T23727] nbd: failed to add new device [ 1176.847479][T23725] nbd: failed to add new device [ 1177.082164][ T1360] ieee802154 phy0 wpan0: encryption failed: -22 [ 1177.088905][ T1360] ieee802154 phy1 wpan1: encryption failed: -22 10:56:50 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x900000000000000}}, 0x1c) 10:56:50 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34004, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4b00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1e00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xfc00}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:50 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x9e00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1177.332091][ T25] kauditd_printk_skb: 65 callbacks suppressed [ 1177.332110][ T25] audit: type=1804 audit(1633172210.404:17732): pid=23741 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/140/cgroup.controllers" dev="sda1" ino=15655 res=1 errno=0 [ 1177.380906][T23741] nbd: failed to add new device [ 1177.409442][T23744] nbd: failed to add new device [ 1177.433718][T23740] nbd: failed to add new device 10:56:50 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0x9f00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:50 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34005, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4c00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1f00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1177.518428][ T25] audit: type=1804 audit(1633172210.434:17733): pid=23744 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2037/cgroup.controllers" dev="sda1" ino=15658 res=1 errno=0 10:56:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4b00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1177.633199][ T25] audit: type=1804 audit(1633172210.444:17734): pid=23741 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/140/cgroup.controllers" dev="sda1" ino=15655 res=1 errno=0 10:56:50 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xa000}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1177.786395][ T25] audit: type=1804 audit(1633172210.454:17735): pid=23744 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2037/cgroup.controllers" dev="sda1" ino=15658 res=1 errno=0 [ 1177.833517][T23761] nbd: failed to add new device [ 1177.848618][ T25] audit: type=1804 audit(1633172210.484:17736): pid=23740 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1784/cgroup.controllers" dev="sda1" ino=15654 res=1 errno=0 [ 1177.933438][T23764] nbd: failed to add new device [ 1177.980170][T23763] validate_nla: 21 callbacks suppressed [ 1177.980188][T23763] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1178.015525][T23763] nbd: failed to add new device [ 1178.047412][T23771] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1178.048761][ T25] audit: type=1804 audit(1633172210.504:17737): pid=23740 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1784/cgroup.controllers" dev="sda1" ino=15654 res=1 errno=0 [ 1178.097813][T23771] nbd: failed to add new device [ 1178.139239][ T25] audit: type=1804 audit(1633172210.504:17738): pid=23748 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/140/cgroup.controllers" dev="sda1" ino=15655 res=1 errno=0 [ 1178.184443][ T25] audit: type=1800 audit(1633172210.504:17739): pid=23748 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="cgroup.controllers" dev="sda1" ino=15655 res=0 errno=0 [ 1178.212366][ T25] audit: type=1804 audit(1633172210.504:17740): pid=23741 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir519228042/syzkaller.V7LSp2/140/cgroup.controllers" dev="sda1" ino=15655 res=1 errno=0 10:56:51 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xa00000000000000}}, 0x1c) 10:56:51 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34006, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4d00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:51 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xa100}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:51 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x3800, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2000}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1178.257345][ T25] audit: type=1804 audit(1633172210.514:17741): pid=23749 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2037/cgroup.controllers" dev="sda1" ino=15658 res=1 errno=0 10:56:51 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xa200}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:51 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34007, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1178.533331][T23781] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1178.572936][T23781] nbd: failed to add new device 10:56:51 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x10, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1178.607495][T23787] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1178.635552][T23787] nbd: failed to add new device [ 1178.665871][T23781] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1178.697228][T23781] nbd: failed to add new device 10:56:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4e00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2100}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:52 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xa300}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1178.990735][T23803] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1179.013441][T23803] nbd: failed to add new device [ 1179.069023][T23805] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1179.110621][T23805] nbd: failed to add new device 10:56:52 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xc00000000000000}}, 0x1c) 10:56:52 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34008, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2000}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4f00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:52 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xa400}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:52 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34009, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1179.720173][T23831] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1179.790076][T23831] nbd: failed to add new device 10:56:52 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xa500}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1179.864772][T23834] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1179.886937][T23834] nbd: failed to add new device 10:56:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xb500}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2000}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:53 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xa600}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1180.227550][T23846] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1180.285419][T23846] nbd: failed to add new device [ 1180.361882][T23846] nbd: failed to add new device [ 1180.385105][T23849] nbd: failed to add new device [ 1180.404010][ T8667] device hsr_slave_0 left promiscuous mode [ 1180.445183][ T8667] device hsr_slave_1 left promiscuous mode [ 1180.488417][ T8667] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 1180.529782][ T8667] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 1180.584881][ T8667] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 1180.632685][ T8667] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 1180.664249][ T8667] device bridge_slave_1 left promiscuous mode [ 1180.670917][ T8667] bridge0: port 2(bridge_slave_1) entered disabled state [ 1180.691875][ T8667] device bridge_slave_0 left promiscuous mode [ 1180.698133][ T8667] bridge0: port 1(bridge_slave_0) entered disabled state [ 1180.810605][ T8667] device veth1_macvtap left promiscuous mode [ 1180.822179][ T8667] device veth0_macvtap left promiscuous mode [ 1180.828315][ T8667] device veth1_vlan left promiscuous mode [ 1180.852628][ T8667] device veth0_vlan left promiscuous mode [ 1181.354833][ T8667] team0 (unregistering): Port device team_slave_1 removed [ 1181.375026][ T8667] team0 (unregistering): Port device team_slave_0 removed [ 1181.397938][ T8667] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 1181.418433][ T8667] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 1181.494228][ T8667] bond0 (unregistering): Released all slaves [ 1183.568482][T23870] chnl_net:caif_netlink_parms(): no params data found [ 1183.658885][T23870] bridge0: port 1(bridge_slave_0) entered blocking state [ 1183.666861][T23870] bridge0: port 1(bridge_slave_0) entered disabled state [ 1183.681062][T23870] device bridge_slave_0 entered promiscuous mode [ 1183.690237][T23870] bridge0: port 2(bridge_slave_1) entered blocking state [ 1183.697838][T23870] bridge0: port 2(bridge_slave_1) entered disabled state [ 1183.712372][T23870] device bridge_slave_1 entered promiscuous mode [ 1183.767562][T23870] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1183.781523][T23870] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1183.825596][T23870] team0: Port device team_slave_0 added [ 1183.834975][T23870] team0: Port device team_slave_1 added [ 1183.869362][T23870] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1183.876872][T23870] 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. [ 1183.904000][T23870] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1183.924057][T23870] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1183.931898][T23870] 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. [ 1183.960170][T23870] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1184.019074][T23870] device hsr_slave_0 entered promiscuous mode [ 1184.026861][T23870] device hsr_slave_1 entered promiscuous mode [ 1184.034592][T23870] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1184.043773][T23870] Cannot create hsr debugfs directory [ 1184.168236][T23870] bridge0: port 2(bridge_slave_1) entered blocking state [ 1184.175528][T23870] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1184.183044][T23870] bridge0: port 1(bridge_slave_0) entered blocking state [ 1184.190126][T23870] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1184.259839][T23870] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1184.277261][T23864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1184.288894][T23864] bridge0: port 1(bridge_slave_0) entered disabled state [ 1184.297392][T23864] bridge0: port 2(bridge_slave_1) entered disabled state [ 1184.307169][T23864] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1184.324773][T23870] 8021q: adding VLAN 0 to HW filter on device team0 [ 1184.339162][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1184.352229][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 1184.359309][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1184.382690][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1184.391180][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 1184.398228][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1184.421575][T10085] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1184.433330][T10085] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1184.452652][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1184.462343][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1184.480497][T23870] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1184.492638][T23870] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1184.503344][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1184.528021][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1184.538148][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1184.560939][T23870] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1184.639430][T23864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 1184.649258][T23864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1184.680727][T23864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 1184.689368][T23864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1184.700205][T23864] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1184.708974][T23864] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1184.718696][T23870] device veth0_vlan entered promiscuous mode [ 1184.737127][T23870] device veth1_vlan entered promiscuous mode [ 1184.768119][T23864] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1184.780014][T23864] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1184.790113][T23864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 1184.800491][T23864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1184.816153][T23870] device veth0_macvtap entered promiscuous mode [ 1184.828058][T23870] device veth1_macvtap entered promiscuous mode [ 1184.849536][T23870] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1184.860442][T23870] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1184.871581][T23870] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1184.882115][T23870] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1184.892048][T23870] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1184.902589][T23870] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1184.912522][T23870] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1184.923727][T23870] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1184.940120][T23870] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1184.949164][T17875] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1184.958042][T17875] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 1184.967370][T17875] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 1184.977792][T17875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1184.991982][T23870] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1185.004165][T23870] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1185.015491][T23870] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1185.026366][T23870] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1185.037352][T23870] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1185.048304][T23870] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1185.059248][T23870] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1185.071737][T23870] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1185.083489][T23870] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1185.094848][T23870] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1185.107699][T23870] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1185.117056][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1185.127139][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1185.237519][ T9639] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1185.253071][ T9639] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1185.276482][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1185.321076][ T9639] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1185.329260][ T9639] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1185.341158][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1185.394833][ T25] kauditd_printk_skb: 47 callbacks suppressed [ 1185.394851][ T25] audit: type=1804 audit(1633172218.475:17789): pid=24214 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/0/cgroup.controllers" dev="sda1" ino=13954 res=1 errno=0 [ 1185.398027][T24214] validate_nla: 2 callbacks suppressed [ 1185.398044][T24214] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1185.427143][ T25] audit: type=1804 audit(1633172218.475:17790): pid=24214 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/0/cgroup.controllers" dev="sda1" ino=13954 res=1 errno=0 [ 1185.428317][ T5] Bluetooth: hci5: command 0x0409 tx timeout [ 1185.479321][T24214] nbd: failed to add new device [ 1185.499193][ T25] audit: type=1804 audit(1633172218.575:17791): pid=24217 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/0/cgroup.controllers" dev="sda1" ino=13954 res=1 errno=0 10:56:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2200}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:58 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x3400a, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:58 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xa700}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x2}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xe020000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:58 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xca1000000000000}}, 0x1c) [ 1185.539434][ T25] audit: type=1804 audit(1633172218.615:17792): pid=24217 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/0/cgroup.controllers" dev="sda1" ino=13954 res=1 errno=0 10:56:58 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x3400e, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1185.683137][ T25] audit: type=1804 audit(1633172218.765:17793): pid=24227 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2043/cgroup.controllers" dev="sda1" ino=14161 res=1 errno=0 [ 1185.724743][T24227] netlink: 'syz-executor.4': attribute type 2 has an invalid length. 10:56:58 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xa800}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1185.753884][T24227] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1185.797362][T24227] nbd: must specify at least one socket [ 1185.809593][ T25] audit: type=1804 audit(1633172218.795:17794): pid=24224 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1790/cgroup.controllers" dev="sda1" ino=14146 res=1 errno=0 [ 1185.844463][T24224] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1185.869051][T24224] nbd: failed to add new device [ 1185.902827][T24227] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1185.911487][ T25] audit: type=1804 audit(1633172218.795:17795): pid=24224 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1790/cgroup.controllers" dev="sda1" ino=14146 res=1 errno=0 [ 1185.953377][T24227] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. 10:56:59 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xa900}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:59 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x3400f, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:59 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x1a60, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1185.997240][T24227] nbd: must specify at least one socket [ 1186.034886][T24240] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1186.068863][T24240] nbd: failed to add new device [ 1186.075932][ T25] audit: type=1804 audit(1633172218.795:17796): pid=24227 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2043/cgroup.controllers" dev="sda1" ino=14161 res=1 errno=0 10:56:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x3}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2300}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:59 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xaa00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1186.224407][ T25] audit: type=1804 audit(1633172218.905:17797): pid=24231 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/1/cgroup.controllers" dev="sda1" ino=13987 res=1 errno=0 10:56:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0x1d0feff}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1186.344678][T24250] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1186.357716][ T25] audit: type=1804 audit(1633172218.905:17798): pid=24231 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/1/cgroup.controllers" dev="sda1" ino=13987 res=1 errno=0 [ 1186.383406][T24250] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. 10:56:59 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xab00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1186.419100][T24250] nbd: must specify at least one socket [ 1186.443645][T24251] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1186.465977][T24251] nbd: failed to add new device 10:56:59 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xe00000000000000}}, 0x1c) 10:56:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x5}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1186.575319][T24256] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1186.597381][T24256] nbd: failed to add new device 10:56:59 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xac00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:56:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2400}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:56:59 executing program 1: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x1708, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:59 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34010, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:56:59 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xad00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1186.817077][T24276] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1186.864129][T24276] netlink: 'syz-executor.4': attribute type 1 has an invalid length. 10:57:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:00 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x340b0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:00 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xae00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x6}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2500}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1187.208132][T24294] nbd: failed to add new device [ 1187.291690][T24301] nbd: failed to add new device [ 1187.351044][T24304] nbd: failed to add new device [ 1187.483018][T23864] Bluetooth: hci5: command 0x041b tx timeout 10:57:00 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf00000000000000}}, 0x1c) 10:57:00 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x340e0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:00 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xaf00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x9}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2600}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1187.772566][T24318] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 10:57:00 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xb000}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1187.819483][T24318] nbd: must specify at least one socket [ 1187.855358][T24319] nbd: failed to add new device [ 1187.861755][T24320] nbd: failed to add new device 10:57:01 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x340e4, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1187.933452][T24326] nbd: failed to add new device 10:57:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0xa}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2700}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:01 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xb100}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1188.129646][T24338] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1188.148333][T24338] nbd: must specify at least one socket [ 1188.194421][T24337] nbd: failed to add new device [ 1188.241975][T24342] nbd: failed to add new device [ 1188.309561][T24345] nbd: failed to add new device 10:57:01 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x1000000000000000}}, 0x1c) 10:57:01 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x340f0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0xb}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:01 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xb200}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2800}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1188.796837][T24360] nbd: failed to add new device 10:57:01 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xb300}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1188.831436][T24364] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1188.856282][T24364] nbd: must specify at least one socket 10:57:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:02 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x340fc, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:02 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2900}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0xc}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:02 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xb400}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1189.176976][T24381] nbd: failed to add new device [ 1189.193579][T24382] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1189.217127][T24382] nbd: must specify at least one socket [ 1189.560505][T23864] Bluetooth: hci5: command 0x040f tx timeout 10:57:02 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x2087bfff, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:02 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2a00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:02 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x1c01000000000000}}, 0x1c) 10:57:02 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xb500}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x10}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1189.851151][T24402] nbd: failed to add new device 10:57:02 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xb600}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1189.928214][T24411] nbd: failed to add new device 10:57:03 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x2, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x11}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2b00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:03 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xb700}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1190.188160][T24420] nbd: must specify at least one socket 10:57:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1190.265893][T24423] nbd: failed to add new device 10:57:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x14}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1190.316396][T24429] nbd: failed to add new device 10:57:03 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xb800}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1190.513241][ T25] kauditd_printk_skb: 104 callbacks suppressed [ 1190.513258][ T25] audit: type=1804 audit(1633172223.595:17903): pid=24434 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1801/cgroup.controllers" dev="sda1" ino=14241 res=1 errno=0 [ 1190.514479][T24434] validate_nla: 31 callbacks suppressed [ 1190.514494][T24434] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1190.542958][ T25] audit: type=1804 audit(1633172223.595:17904): pid=24435 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2053/cgroup.controllers" dev="sda1" ino=14433 res=1 errno=0 [ 1190.641422][ T25] audit: type=1804 audit(1633172223.685:17905): pid=24437 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2053/cgroup.controllers" dev="sda1" ino=14433 res=1 errno=0 [ 1190.658104][T24435] netlink: 'syz-executor.4': attribute type 2 has an invalid length. 10:57:03 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x1f00000000000000}}, 0x1c) 10:57:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2c00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:03 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x3, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:03 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xb900}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1190.760400][T24435] netlink: 'syz-executor.4': attribute type 1 has an invalid length. [ 1190.768514][T24435] nbd: must specify at least one socket [ 1190.826547][ T25] audit: type=1804 audit(1633172223.905:17906): pid=24435 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2053/cgroup.controllers" dev="sda1" ino=14433 res=1 errno=0 [ 1190.831503][T24435] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1190.975971][ T25] audit: type=1804 audit(1633172223.905:17907): pid=24435 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2053/cgroup.controllers" dev="sda1" ino=14433 res=1 errno=0 [ 1190.983969][T24435] netlink: 'syz-executor.4': attribute type 1 has an invalid length. 10:57:04 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xba00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1191.039281][T24435] nbd: must specify at least one socket [ 1191.079571][T24453] netlink: 'syz-executor.1': attribute type 2 has an invalid length. 10:57:04 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x18}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1191.127527][ T25] audit: type=1804 audit(1633172224.115:17908): pid=24454 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/11/cgroup.controllers" dev="sda1" ino=14689 res=1 errno=0 10:57:04 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2d00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:04 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:04 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x4, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1191.274105][ T25] audit: type=1804 audit(1633172224.115:17909): pid=24454 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/11/cgroup.controllers" dev="sda1" ino=14689 res=1 errno=0 10:57:04 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xbb00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1191.382629][T24464] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1191.415856][T24464] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. 10:57:04 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xbc00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1191.437520][ T25] audit: type=1804 audit(1633172224.155:17910): pid=24453 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1802/cgroup.controllers" dev="sda1" ino=14193 res=1 errno=0 [ 1191.456485][T24464] nbd: must specify at least one socket [ 1191.507033][T24466] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1191.551197][T24466] nbd: failed to add new device [ 1191.556151][T24467] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1191.605642][ T25] audit: type=1800 audit(1633172224.155:17911): pid=24454 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="cgroup.controllers" dev="sda1" ino=14689 res=0 errno=0 [ 1191.650572][T10085] Bluetooth: hci5: command 0x0419 tx timeout [ 1191.711775][ T25] audit: type=1804 audit(1633172224.155:17912): pid=24449 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/11/cgroup.controllers" dev="sda1" ino=14689 res=1 errno=0 10:57:04 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x2000000000000000}}, 0x1c) 10:57:04 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x1a}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:04 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2e00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:04 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xbd00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:04 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:04 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x5, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1192.000271][T24486] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1192.008395][T24486] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. 10:57:05 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xbe00}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1192.083867][T24486] nbd: must specify at least one socket [ 1192.163288][T24496] nbd: failed to add new device [ 1192.196563][T24502] nbd: failed to add new device 10:57:05 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:05 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x1c}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:05 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb, 0xc00e}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:05 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x2f00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:05 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x6, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1192.394456][T24508] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1192.415455][T24508] nbd: must specify at least one socket [ 1192.577558][T24516] nbd: failed to add new device 10:57:06 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x2c01000000000000}}, 0x1c) 10:57:06 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x24}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:06 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x2, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:06 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3000}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:06 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x7, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1193.036981][T24537] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1193.085878][T24536] nbd: failed to add new device 10:57:06 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1193.123560][T24538] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1193.177771][T24538] nbd: must specify at least one socket [ 1193.208716][T24545] nbd: failed to add new device 10:57:06 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x3, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:06 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3100}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x26}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:06 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x8, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:06 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1193.427507][T24554] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1193.526860][T24556] nbd: failed to add new device [ 1193.575087][T24557] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1193.608893][T24557] nbd: must specify at least one socket 10:57:07 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x3000000000000000}}, 0x1c) 10:57:07 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x4, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:07 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x2f}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3200}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:07 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:07 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x9, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1194.267650][T24581] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1194.299641][T24581] nbd: must specify at least one socket 10:57:07 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1194.334708][T24584] nbd: failed to add new device 10:57:07 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x5, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:07 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x35}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3300}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:07 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xa, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:07 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1194.765652][T24603] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1194.818772][T24603] nbd: must specify at least one socket [ 1194.847850][T24604] nbd: failed to add new device [ 1194.891662][T24609] nbd: failed to add new device 10:57:08 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x3801000000000000}}, 0x1c) 10:57:08 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x6, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x50}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3400}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:08 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, 0x0, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:08 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xe, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1195.414526][T24625] nbd: failed to add new device 10:57:08 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x7, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1195.461740][T24626] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1195.499618][T24626] nbd: must specify at least one socket [ 1195.525919][ T25] kauditd_printk_skb: 75 callbacks suppressed [ 1195.525937][ T25] audit: type=1804 audit(1633172228.606:17988): pid=24632 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/19/cgroup.controllers" dev="sda1" ino=15216 res=1 errno=0 10:57:08 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, 0x0, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1195.573981][T24632] validate_nla: 25 callbacks suppressed [ 1195.573999][T24632] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1195.628194][T24632] nbd: failed to add new device 10:57:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x54}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1195.696259][ T25] audit: type=1804 audit(1633172228.626:17989): pid=24632 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/19/cgroup.controllers" dev="sda1" ino=15216 res=1 errno=0 10:57:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3500}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:08 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x8, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:08 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xf, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1195.848481][ T25] audit: type=1804 audit(1633172228.726:17990): pid=24637 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2061/cgroup.controllers" dev="sda1" ino=15214 res=1 errno=0 [ 1195.992138][T24644] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1196.012521][ T25] audit: type=1804 audit(1633172228.726:17991): pid=24626 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2061/cgroup.controllers" dev="sda1" ino=15214 res=1 errno=0 [ 1196.060136][T24644] nbd: must specify at least one socket [ 1196.079191][T24648] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1196.104517][ T25] audit: type=1804 audit(1633172228.876:17992): pid=24640 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1813/cgroup.controllers" dev="sda1" ino=15197 res=1 errno=0 [ 1196.104931][T24648] nbd: failed to add new device [ 1196.194835][ T25] audit: type=1804 audit(1633172228.886:17993): pid=24640 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1813/cgroup.controllers" dev="sda1" ino=15197 res=1 errno=0 [ 1196.295947][ T25] audit: type=1804 audit(1633172229.056:17994): pid=24644 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2062/cgroup.controllers" dev="sda1" ino=15205 res=1 errno=0 [ 1196.331532][ T25] audit: type=1804 audit(1633172229.066:17995): pid=24644 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2062/cgroup.controllers" dev="sda1" ino=15205 res=1 errno=0 10:57:09 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x3cff000000000000}}, 0x1c) 10:57:09 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, 0x0, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r0}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:09 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x9, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x58}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3600}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:09 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x10, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1196.398138][ T25] audit: type=1804 audit(1633172229.106:17996): pid=24648 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/20/cgroup.controllers" dev="sda1" ino=15227 res=1 errno=0 [ 1196.589431][ T25] audit: type=1804 audit(1633172229.106:17997): pid=24648 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/20/cgroup.controllers" dev="sda1" ino=15227 res=1 errno=0 [ 1196.611093][T24666] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1196.683633][T24666] nbd: failed to add new device 10:57:09 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xa, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1196.707554][T24668] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1196.732389][T24668] __nla_validate_parse: 3 callbacks suppressed [ 1196.732408][T24668] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1196.811027][T24668] nbd: must specify at least one socket [ 1196.829579][T24676] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1196.859856][T24676] nbd: failed to add new device 10:57:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3700}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1196.957639][T24681] netlink: 'syz-executor.1': attribute type 2 has an invalid length. 10:57:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x5a}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:10 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xb0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:10 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xb, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1197.109386][T24688] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1197.174273][T24688] nbd: failed to add new device [ 1197.230690][T24693] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1197.263394][T24693] nbd: failed to add new device [ 1197.303915][T24694] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1197.336610][T24694] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1197.385521][T24694] nbd: must specify at least one socket 10:57:10 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x3f00000000000000}}, 0x1c) 10:57:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3800}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:10 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x5c}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:10 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xe0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1197.705964][T24711] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1197.729375][T24711] nbd: must specify at least one socket [ 1197.825158][T24712] nbd: failed to add new device 10:57:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:11 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xd, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1197.891351][T24723] nbd: failed to add new device 10:57:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x84}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3900}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:11 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xe4, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1198.071322][T24730] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1198.113706][T24730] netlink: 1 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1198.127474][T24729] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1198.160534][T24729] nbd: must specify at least one socket 10:57:11 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r0, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1198.295091][T24735] nbd: failed to add new device 10:57:11 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x4000000000000000}}, 0x1c) 10:57:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x88}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:11 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xe, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3a00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:11 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r0, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:11 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xf0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1198.800029][T24758] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1198.811115][T24757] nbd: failed to add new device [ 1198.841945][T24758] netlink: 2 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1198.894430][T24762] nbd: failed to add new device 10:57:12 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r0, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1198.920038][T24761] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1198.941919][T24761] nbd: must specify at least one socket 10:57:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3b00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8c}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:12 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x10, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:12 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xfc, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1199.254555][T24776] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1199.292515][T24776] nbd: must specify at least one socket [ 1199.323165][T24775] nbd: failed to add new device 10:57:12 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x4400000000000000}}, 0x1c) 10:57:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3c00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0xa0}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:12 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x12, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:12 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x12c, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1199.918264][T24801] nbd: failed to add new device [ 1199.993906][T24806] nbd: must specify at least one socket 10:57:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:13 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x25, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3d00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0xc0}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:13 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x1a0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:13 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r0, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1200.409019][T24821] nbd: must specify at least one socket [ 1200.448015][T24824] nbd: failed to add new device [ 1200.577132][ T25] kauditd_printk_skb: 94 callbacks suppressed [ 1200.577149][ T25] audit: type=1804 audit(1633172233.656:18092): pid=24833 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1824/cgroup.controllers" dev="sda1" ino=15202 res=1 errno=0 [ 1200.672132][ T25] audit: type=1804 audit(1633172233.666:18093): pid=24833 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1824/cgroup.controllers" dev="sda1" ino=15202 res=1 errno=0 10:57:13 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x5800000000000000}}, 0x1c) 10:57:13 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x90, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3e00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x110}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:13 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r0, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:13 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x1b0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1200.992675][ T25] audit: type=1804 audit(1633172234.076:18094): pid=24845 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/29/cgroup.controllers" dev="sda1" ino=15254 res=1 errno=0 [ 1201.005634][T24845] validate_nla: 16 callbacks suppressed [ 1201.005652][T24845] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1201.104597][ T25] audit: type=1804 audit(1633172234.076:18095): pid=24845 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/29/cgroup.controllers" dev="sda1" ino=15254 res=1 errno=0 [ 1201.134722][T24845] nbd: failed to add new device 10:57:14 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc0, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1201.173609][T24849] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1201.210117][T24849] nbd: must specify at least one socket 10:57:14 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), 0xffffffffffffffff) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r0, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1201.237086][ T25] audit: type=1804 audit(1633172234.136:18096): pid=24852 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2071/cgroup.controllers" dev="sda1" ino=15257 res=1 errno=0 [ 1201.268829][T24856] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1201.305435][T24856] nbd: failed to add new device 10:57:14 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x1bc, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x1b0}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:14 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x7f0, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1201.401503][ T25] audit: type=1804 audit(1633172234.146:18097): pid=24849 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2071/cgroup.controllers" dev="sda1" ino=15257 res=1 errno=0 10:57:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x3f00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1201.507608][ T25] audit: type=1804 audit(1633172234.226:18098): pid=24854 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1825/cgroup.controllers" dev="sda1" ino=15258 res=1 errno=0 [ 1201.619708][T24869] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1201.660778][T24869] nbd: must specify at least one socket [ 1201.699505][ T25] audit: type=1804 audit(1633172234.226:18099): pid=24854 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1825/cgroup.controllers" dev="sda1" ino=15258 res=1 errno=0 [ 1201.829689][T24878] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1201.841089][ T25] audit: type=1804 audit(1633172234.316:18100): pid=24856 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/29/cgroup.controllers" dev="sda1" ino=15254 res=1 errno=0 [ 1201.914921][T24878] nbd: failed to add new device [ 1201.963772][T24883] netlink: 'syz-executor.5': attribute type 2 has an invalid length. 10:57:15 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x79787b7500000000}}, 0x1c) 10:57:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x1ba}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:15 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xa48, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1201.996314][ T25] audit: type=1800 audit(1633172234.316:18101): pid=24856 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="cgroup.controllers" dev="sda1" ino=15254 res=0 errno=0 [ 1202.004058][T24883] nbd: failed to add new device 10:57:15 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x1c0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1202.144863][T24891] __nla_validate_parse: 10 callbacks suppressed [ 1202.144885][T24891] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1202.149696][T24889] netlink: 'syz-executor.1': attribute type 2 has an invalid length. 10:57:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4000}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1202.225464][T24890] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1202.259793][T24890] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. 10:57:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1202.304544][T24890] nbd: must specify at least one socket 10:57:15 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x3, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x1de}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1202.469795][T24903] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1202.501730][T24903] nbd: failed to add new device [ 1202.520342][T24905] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1202.583408][T24910] nbd: failed to add new device 10:57:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4100}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:15 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x4, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1202.741650][T24914] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1202.777072][T24914] nbd: must specify at least one socket [ 1202.927871][T24922] nbd: failed to add new device [ 1202.975292][T24925] nbd: failed to add new device 10:57:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:16 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x8dffffff00000000}}, 0x1c) 10:57:16 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x5, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4200}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x202}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:16 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x284, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1203.386200][T24941] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1203.436358][T24941] nbd: must specify at least one socket [ 1203.455337][T24943] nbd: failed to add new device 10:57:16 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x6, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0xc00c}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4300}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:16 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x288, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1203.803096][T24960] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1203.841717][T24960] nbd: must specify at least one socket 10:57:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:17 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x7, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1203.896077][T24965] nbd: failed to add new device 10:57:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x2}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:17 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xa101000000000000}}, 0x1c) 10:57:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4400}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:17 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x8, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:17 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x300, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x3}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:17 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x9, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4500}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x4}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:18 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x3ec, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1204.962806][T25013] nbd: failed to add new device [ 1205.014968][T25018] nbd: failed to add new device 10:57:18 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xa441000000000000}}, 0x1c) 10:57:18 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0xa, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4600}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x5}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:18 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x3f0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1205.665735][ T25] kauditd_printk_skb: 76 callbacks suppressed [ 1205.665754][ T25] audit: type=1804 audit(1633172238.746:18178): pid=25045 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1836/cgroup.controllers" dev="sda1" ino=15505 res=1 errno=0 [ 1205.747035][T25043] nbd: failed to add new device 10:57:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:18 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0xb, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4700}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1205.823536][ T25] audit: type=1804 audit(1633172238.756:18179): pid=25042 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1836/cgroup.controllers" dev="sda1" ino=15505 res=1 errno=0 10:57:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x6}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:19 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x3f1, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1205.955051][ T25] audit: type=1804 audit(1633172238.806:18180): pid=25049 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/37/cgroup.controllers" dev="sda1" ino=15685 res=1 errno=0 [ 1206.103134][ T25] audit: type=1804 audit(1633172238.806:18181): pid=25043 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/37/cgroup.controllers" dev="sda1" ino=15685 res=1 errno=0 [ 1206.118327][T25061] validate_nla: 27 callbacks suppressed [ 1206.118344][T25061] netlink: 'syz-executor.5': attribute type 2 has an invalid length. 10:57:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1206.207846][T25061] nbd: failed to add new device [ 1206.250919][ T25] audit: type=1800 audit(1633172238.846:18182): pid=25050 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="cgroup.controllers" dev="sda1" ino=15686 res=0 errno=0 [ 1206.259508][T25065] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1206.324792][T25065] netlink: 'syz-executor.4': attribute type 6 has an invalid length. [ 1206.344205][T25071] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1206.368785][ T25] audit: type=1804 audit(1633172238.846:18183): pid=25044 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2080/cgroup.controllers" dev="sda1" ino=15686 res=1 errno=0 [ 1206.370043][T25071] nbd: failed to add new device [ 1206.425762][ T25] audit: type=1804 audit(1633172238.856:18184): pid=25044 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2080/cgroup.controllers" dev="sda1" ino=15686 res=1 errno=0 10:57:19 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xbcff000000000000}}, 0x1c) 10:57:19 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0xc, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:19 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x3f2, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x7}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4800}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 1206.650793][ T25] audit: type=1804 audit(1633172238.866:18185): pid=25053 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/37/cgroup.controllers" dev="sda1" ino=15685 res=1 errno=0 [ 1206.830523][ T25] audit: type=1804 audit(1633172238.866:18186): pid=25049 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/37/cgroup.controllers" dev="sda1" ino=15685 res=1 errno=0 [ 1206.909699][T25087] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1206.946723][T25087] nbd: failed to add new device [ 1206.959067][T25089] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1206.997907][T25089] nbd: failed to add new device 10:57:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 10:57:20 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x10, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1207.009385][ T25] audit: type=1804 audit(1633172239.176:18187): pid=25060 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1837/cgroup.controllers" dev="sda1" ino=15695 res=1 errno=0 10:57:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1207.096944][T25097] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1207.136040][T25097] nbd: failed to add new device 10:57:20 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x3f3, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4900}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 1207.488269][T25109] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1207.525583][T25109] netlink: 'syz-executor.4': attribute type 8 has an invalid length. [ 1207.571501][T25113] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1207.601124][T25113] nbd: failed to add new device 10:57:20 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xc8ff000000000000}}, 0x1c) 10:57:20 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x12, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0xa}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4a00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:20 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x3f4, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000580)={0x0, 0x0, 0x0}, 0x0) [ 1207.985724][T25131] nbd: failed to add new device [ 1208.003340][T25130] nbd: failed to add new device 10:57:21 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x14, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0xf}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000580)={0x0, 0x0, 0x0}, 0x0) 10:57:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x4b00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:21 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x3f8, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:21 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x25, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1208.333676][T25149] nbd: failed to add new device [ 1208.393552][T25152] nbd: failed to add new device [ 1208.476093][T25153] nbd: failed to add new device 10:57:21 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xccff000000000000}}, 0x1c) 10:57:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x6d00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000580)={0x0, 0x0, 0x0}, 0x0) 10:57:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x10}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:21 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x3c, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:21 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x3f9, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1209.012635][T25176] nbd: failed to add new device [ 1209.125831][T25179] nbd: failed to add new device 10:57:22 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x4a, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x14}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={0x0}}, 0x0) 10:57:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x8100}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:22 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x3fa, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:22 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0xd6, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1209.512707][T25196] nbd: failed to add new device [ 1209.589487][T25200] nbd: failed to add new device [ 1209.634545][T25204] nbd: failed to add new device 10:57:23 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xe400000000000000}}, 0x1c) 10:57:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x25}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={0x0}}, 0x0) 10:57:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0xff00}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:23 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0xe8, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:23 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x500, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1210.185453][T25222] nbd: failed to add new device [ 1210.216145][T25226] nbd: failed to add new device [ 1210.253720][T25231] nbd: failed to add new device 10:57:23 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0xf2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={0x0}}, 0x0) 10:57:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x35}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x2}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:23 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x600, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:23 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x13c, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1210.593640][T25243] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1210.629869][T25243] nbd: must specify at least one socket [ 1210.650953][T25244] nbd: failed to add new device [ 1210.669565][ T25] kauditd_printk_skb: 96 callbacks suppressed [ 1210.669583][ T25] audit: type=1804 audit(1633172243.757:18284): pid=25248 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/46/cgroup.controllers" dev="sda1" ino=15730 res=1 errno=0 [ 1210.810852][ T25] audit: type=1804 audit(1633172243.797:18285): pid=25250 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2089/cgroup.controllers" dev="sda1" ino=15735 res=1 errno=0 [ 1210.917834][ T25] audit: type=1800 audit(1633172243.797:18286): pid=25244 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="cgroup.controllers" dev="sda1" ino=15735 res=0 errno=0 10:57:24 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xe4ffffff00000000}}, 0x1c) 10:57:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, 0x0, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x3}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x5a}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:24 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x178, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:24 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x700, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1211.274512][ T25] audit: type=1804 audit(1633172244.357:18287): pid=25272 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/47/cgroup.controllers" dev="sda1" ino=15748 res=1 errno=0 [ 1211.314845][T25267] validate_nla: 15 callbacks suppressed [ 1211.314863][T25267] netlink: 'syz-executor.5': attribute type 2 has an invalid length. 10:57:24 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, 0x0, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1211.379278][ T25] audit: type=1804 audit(1633172244.357:18288): pid=25270 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1848/cgroup.controllers" dev="sda1" ino=15750 res=1 errno=0 [ 1211.381916][T25267] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'. 10:57:24 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1211.509806][ T25] audit: type=1804 audit(1633172244.357:18289): pid=25270 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1848/cgroup.controllers" dev="sda1" ino=15750 res=1 errno=0 [ 1211.540412][T25267] nbd: must specify at least one socket [ 1211.556109][T25268] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1211.582867][T25268] nbd: failed to add new device [ 1211.605572][ T25] audit: type=1804 audit(1633172244.397:18290): pid=25267 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/47/cgroup.controllers" dev="sda1" ino=15748 res=1 errno=0 [ 1211.639990][T25272] netlink: 'syz-executor.5': attribute type 2 has an invalid length. 10:57:24 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x83d, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1211.648215][T25272] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1211.662834][T25272] nbd: must specify at least one socket [ 1211.669413][ T25] audit: type=1804 audit(1633172244.417:18291): pid=25273 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2090/cgroup.controllers" dev="sda1" ino=15751 res=1 errno=0 10:57:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x4}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x300}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1211.780604][ T25] audit: type=1800 audit(1633172244.427:18292): pid=25273 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="cgroup.controllers" dev="sda1" ino=15751 res=0 errno=0 10:57:24 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x0, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1211.974334][ T25] audit: type=1804 audit(1633172244.427:18293): pid=25273 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2090/cgroup.controllers" dev="sda1" ino=15751 res=1 errno=0 [ 1212.082110][T25293] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1212.118860][T25293] netlink: 'syz-executor.5': attribute type 1 has an invalid length. [ 1212.140941][T25294] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1212.162003][T25294] nbd: failed to add new device 10:57:25 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xe803000000000000}}, 0x1c) 10:57:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, 0x0, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1212.194083][T25299] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1212.226433][T25299] netlink: 'syz-executor.5': attribute type 1 has an invalid length. 10:57:25 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x2}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x5}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x500}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:25 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x900, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1212.522566][T25311] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'. 10:57:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x0, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1212.702346][T25315] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1212.734599][T25315] netlink: 'syz-executor.5': attribute type 1 has an invalid length. 10:57:25 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x3}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1212.814354][T25321] nbd: failed to add new device 10:57:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x6}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x600}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1212.975824][T25331] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'. 10:57:26 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xa00, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x0, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1213.222425][T25338] nbd: failed to add new device 10:57:26 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xec03000000000000}}, 0x1c) 10:57:26 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x4}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x700}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x7}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x0, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:26 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xe00, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:26 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x6}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1213.673064][T25354] nbd: failed to add new device 10:57:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x54, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}]}, 0x54}}, 0x0) 10:57:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x900}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x9}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1213.923684][T25370] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1213.940404][T25370] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 10:57:27 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x7}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1213.976201][T25370] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1213.993574][T25370] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1214.011299][T25370] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1214.076257][T25372] nbd: failed to add new device [ 1214.095752][T25374] nbd: must specify at least one socket 10:57:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x54, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}]}, 0x54}}, 0x0) [ 1214.153525][T25381] nbd: must specify at least one socket 10:57:27 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf000000000000000}}, 0x1c) 10:57:27 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xf00, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0xa00}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0xa}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x54, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}]}, 0x54}}, 0x0) 10:57:27 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x8}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1214.616187][T25398] nbd: failed to add new device [ 1214.643468][T25399] nbd: must specify at least one socket 10:57:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4}]}, 0x58}}, 0x0) 10:57:27 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x9}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0xb00}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0xb}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1214.949505][T25418] nbd: failed to add new device 10:57:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4}]}, 0x58}}, 0x0) 10:57:28 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x1f00, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1215.010886][T25420] nbd: must specify at least one socket 10:57:28 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf003000000000000}}, 0x1c) 10:57:28 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0xa}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0xc00}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0xc}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4}]}, 0x58}}, 0x0) 10:57:28 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x2000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1215.635784][T25445] nbd: failed to add new device [ 1215.668610][T25447] nbd: must specify at least one socket [ 1215.687713][ T25] kauditd_printk_skb: 99 callbacks suppressed [ 1215.687730][ T25] audit: type=1804 audit(1633172248.767:18393): pid=25454 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2098/cgroup.controllers" dev="sda1" ino=14194 res=1 errno=0 10:57:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x2c, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) [ 1215.754564][T25457] nbd: must specify at least one socket 10:57:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0xd00}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:28 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0xb}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x10}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1215.844540][ T25] audit: type=1800 audit(1633172248.817:18394): pid=25445 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="cgroup.controllers" dev="sda1" ino=14194 res=0 errno=0 [ 1215.906388][ T25] audit: type=1804 audit(1633172248.837:18395): pid=25458 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/55/cgroup.controllers" dev="sda1" ino=14226 res=1 errno=0 [ 1215.955870][T25462] nbd: failed to add new device [ 1215.979708][T25465] __nla_validate_parse: 15 callbacks suppressed [ 1215.979728][T25465] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1216.002380][T25464] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 10:57:29 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x2c01, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0xe00}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1216.038844][ T25] audit: type=1804 audit(1633172248.837:18396): pid=25457 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/55/cgroup.controllers" dev="sda1" ino=14226 res=1 errno=0 [ 1216.206163][ T25] audit: type=1804 audit(1633172249.027:18397): pid=25462 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2099/cgroup.controllers" dev="sda1" ino=14306 res=1 errno=0 [ 1216.310090][ T25] audit: type=1804 audit(1633172249.027:18398): pid=25462 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2099/cgroup.controllers" dev="sda1" ino=14306 res=1 errno=0 [ 1216.341233][T25479] validate_nla: 39 callbacks suppressed [ 1216.341251][T25479] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1216.361462][T25479] nbd: failed to add new device [ 1216.367990][ T25] audit: type=1804 audit(1633172249.057:18399): pid=25464 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1860/cgroup.controllers" dev="sda1" ino=14386 res=1 errno=0 [ 1216.399467][ T25] audit: type=1804 audit(1633172249.077:18400): pid=25466 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2099/cgroup.controllers" dev="sda1" ino=14306 res=1 errno=0 [ 1216.434166][T25482] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1216.435285][ T25] audit: type=1800 audit(1633172249.077:18401): pid=25466 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="cgroup.controllers" dev="sda1" ino=14306 res=0 errno=0 [ 1216.469186][ T25] audit: type=1804 audit(1633172249.087:18402): pid=25464 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1860/cgroup.controllers" dev="sda1" ino=14386 res=1 errno=0 [ 1216.476468][T25482] nbd: failed to add new device 10:57:29 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf103000000000000}}, 0x1c) 10:57:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x2c, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) 10:57:29 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0xc}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x11}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:29 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x3d08, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1216.627532][T25490] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1216.654130][T25493] netlink: 'syz-executor.3': attribute type 22 has an invalid length. 10:57:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0xf00}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1216.741415][T25489] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1216.759235][T25493] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1216.791564][T25489] netlink: 'syz-executor.5': attribute type 1 has an invalid length. 10:57:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x2c, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) [ 1216.842920][T25489] nbd: must specify at least one socket [ 1216.964014][T25501] netlink: 'syz-executor.4': attribute type 2 has an invalid length. 10:57:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x14}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:30 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0xd}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1217.007238][T25501] nbd: failed to add new device [ 1217.061926][T25507] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 10:57:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1100}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:30 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x3f00, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}}, 0x0) [ 1217.177059][T25513] netlink: 'syz-executor.3': attribute type 22 has an invalid length. [ 1217.207352][T25512] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1217.243672][T25512] netlink: 'syz-executor.5': attribute type 1 has an invalid length. [ 1217.283297][T25512] nbd: must specify at least one socket [ 1217.334638][T25516] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1217.385897][T25516] nbd: failed to add new device [ 1217.393791][T25521] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 10:57:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x18}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:30 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0xf}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:30 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf203000000000000}}, 0x1c) 10:57:30 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x4000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}}, 0x0) 10:57:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1200}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1217.729150][T25536] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1217.785016][T25536] nbd: must specify at least one socket [ 1217.814576][T25539] nbd: failed to add new device [ 1217.822946][T25540] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 10:57:30 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x10}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1217.862805][T25545] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1217.893099][T25545] nbd: must specify at least one socket 10:57:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1300}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}}, 0x0) 10:57:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x1c}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:31 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x80fe, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1218.113710][T25554] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1218.177333][T25557] nbd: failed to add new device 10:57:31 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x11}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1400}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1218.292245][T25564] nbd: must specify at least one socket [ 1218.342458][T25566] nbd: must specify at least one socket [ 1218.493263][T25574] nbd: failed to add new device 10:57:32 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf303000000000000}}, 0x1c) 10:57:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x24}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:32 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x13}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:32 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x8402, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1500}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1219.082660][T25594] nbd: failed to add new device [ 1219.121463][T25592] nbd: must specify at least one socket 10:57:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:32 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x14}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1219.170287][T25602] nbd: must specify at least one socket 10:57:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1600}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x26}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:32 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x8802, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}}, 0x0) [ 1219.517669][T25615] nbd: failed to add new device [ 1219.602013][T25617] nbd: must specify at least one socket 10:57:33 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf401000000000000}}, 0x1c) 10:57:33 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x15}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1700}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x2f}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}}, 0x0) 10:57:33 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xa001, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1220.106959][T25638] nbd: must specify at least one socket [ 1220.157314][T25641] nbd: failed to add new device 10:57:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}}, 0x0) [ 1220.187783][T25647] nbd: must specify at least one socket 10:57:33 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x16}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1800}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x35}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:33 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xb000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}}, 0x0) [ 1220.525540][T25658] nbd: must specify at least one socket [ 1220.572990][T25659] nbd: failed to add new device [ 1220.772176][ T25] kauditd_printk_skb: 106 callbacks suppressed [ 1220.772193][ T25] audit: type=1804 audit(1633172253.858:18509): pid=25668 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1872/cgroup.controllers" dev="sda1" ino=14865 res=1 errno=0 [ 1220.876442][ T25] audit: type=1804 audit(1633172253.858:18510): pid=25668 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1872/cgroup.controllers" dev="sda1" ino=14865 res=1 errno=0 10:57:34 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf403000000000000}}, 0x1c) 10:57:34 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x18}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1900}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x54}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}}, 0x0) 10:57:34 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xb001, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1221.101652][T25681] __nla_validate_parse: 17 callbacks suppressed [ 1221.101674][T25681] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1221.151263][ T25] audit: type=1804 audit(1633172254.238:18511): pid=25683 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2110/cgroup.controllers" dev="sda1" ino=15330 res=1 errno=0 [ 1221.161242][T25683] nbd: failed to add new device 10:57:34 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x1a}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1221.275980][ T25] audit: type=1804 audit(1633172254.238:18512): pid=25683 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2110/cgroup.controllers" dev="sda1" ino=15330 res=1 errno=0 [ 1221.313167][T25684] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'. 10:57:34 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xbc01, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1221.356414][T25684] nbd: must specify at least one socket 10:57:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}}, 0x0) [ 1221.401205][ T25] audit: type=1804 audit(1633172254.338:18513): pid=25687 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1873/cgroup.controllers" dev="sda1" ino=15362 res=1 errno=0 10:57:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1a00}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1221.506792][T25699] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'. 10:57:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x58}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1221.549260][ T25] audit: type=1804 audit(1633172254.338:18514): pid=25687 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1873/cgroup.controllers" dev="sda1" ino=15362 res=1 errno=0 [ 1221.638560][T25701] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 10:57:34 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x1b}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1221.716671][ T25] audit: type=1804 audit(1633172254.398:18515): pid=25684 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/65/cgroup.controllers" dev="sda1" ino=15378 res=1 errno=0 [ 1221.793049][T25708] validate_nla: 24 callbacks suppressed [ 1221.793069][T25708] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1221.836169][T25708] nbd: failed to add new device [ 1221.855150][ T25] audit: type=1804 audit(1633172254.398:18516): pid=25684 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/65/cgroup.controllers" dev="sda1" ino=15378 res=1 errno=0 [ 1221.862541][T25710] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1221.924744][T25713] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1221.927458][T25710] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1221.967623][T25710] nbd: must specify at least one socket [ 1221.993974][ T25] audit: type=1804 audit(1633172254.418:18517): pid=25693 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2110/cgroup.controllers" dev="sda1" ino=15330 res=1 errno=0 [ 1222.077960][T25720] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1222.086087][T25720] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'. 10:57:35 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf4fe000000000000}}, 0x1c) 10:57:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}}, 0x0) 10:57:35 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xc001, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1b00}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:35 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x1c}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1222.124884][T25720] nbd: must specify at least one socket [ 1222.161191][ T25] audit: type=1804 audit(1633172254.428:18518): pid=25683 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2110/cgroup.controllers" dev="sda1" ino=15330 res=1 errno=0 10:57:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x5a}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1222.303710][T25731] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1222.343550][T25730] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1222.398026][T25730] nbd: failed to add new device [ 1222.417273][T25728] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 10:57:35 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x1d}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1c00}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}}, 0x0) [ 1222.512564][T25737] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1222.544501][T25737] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'. 10:57:35 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xc0fe, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1222.594564][T25737] nbd: must specify at least one socket 10:57:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x84}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1222.772739][T25750] netlink: 'syz-executor.4': attribute type 2 has an invalid length. 10:57:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}}, 0x0) [ 1222.816352][T25750] nbd: failed to add new device [ 1222.899321][T25756] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1222.949317][T25756] nbd: failed to add new device [ 1222.992762][T25761] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1223.001653][T25761] nbd: must specify at least one socket [ 1223.030117][T25763] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1223.040450][T25763] nbd: must specify at least one socket 10:57:36 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf5ffffff00000000}}, 0x1c) 10:57:36 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x1e}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1d00}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:36 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xe000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}}, 0x0) 10:57:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x88}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1223.396351][T25775] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1223.444228][T25775] nbd: failed to add new device [ 1223.459495][T25776] nbd: must specify at least one socket 10:57:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}}, 0x0) [ 1223.508710][T25788] nbd: must specify at least one socket 10:57:36 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x25}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1e00}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0xa0}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:36 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xe400, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}}, 0x0) [ 1223.857154][T25798] nbd: failed to add new device [ 1223.886912][T25799] nbd: must specify at least one socket 10:57:37 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf803000000000000}}, 0x1c) 10:57:37 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x3d}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1f00}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0xc00c}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}}, 0x0) 10:57:37 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xec03, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1224.478214][T25826] nbd: failed to add new device [ 1224.500753][T25823] nbd: must specify at least one socket [ 1224.555301][T25826] nbd: failed to add new device 10:57:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}}, 0x0) 10:57:37 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x4b}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x2}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x2000}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:38 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xf000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1225.198138][T25847] nbd: failed to add new device 10:57:38 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5, 0x25}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1225.293000][T25847] nbd: failed to add new device 10:57:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x58}}, 0x0) 10:57:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x3}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:38 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xf903000000000000}}, 0x1c) 10:57:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x2100}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:38 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5, 0x2f}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:38 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xf003, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1225.731499][T25871] nbd: failed to add new device 10:57:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x54, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x54}}, 0x0) [ 1225.790306][ T25] kauditd_printk_skb: 91 callbacks suppressed [ 1225.790323][ T25] audit: type=1804 audit(1633172258.868:18610): pid=25873 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2118/cgroup.controllers" dev="sda1" ino=14946 res=1 errno=0 10:57:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x4}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x2200}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1225.935616][ T25] audit: type=1804 audit(1633172258.878:18611): pid=25873 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2118/cgroup.controllers" dev="sda1" ino=14946 res=1 errno=0 [ 1225.986203][T25880] nbd: must specify a size in bytes for the device 10:57:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x54, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x54}}, 0x0) [ 1226.076087][ T25] audit: type=1804 audit(1633172259.068:18612): pid=25880 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1884/cgroup.controllers" dev="sda1" ino=14946 res=1 errno=0 10:57:39 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1226.235345][ T25] audit: type=1804 audit(1633172259.068:18613): pid=25880 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir946142215/syzkaller.QE3GSG/1884/cgroup.controllers" dev="sda1" ino=14946 res=1 errno=0 [ 1226.236427][T25888] nbd: failed to add new device 10:57:39 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xf103, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 10:57:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x5}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1226.356025][ T25] audit: type=1804 audit(1633172259.268:18614): pid=25887 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/74/cgroup.controllers" dev="sda1" ino=14836 res=1 errno=0 [ 1226.396437][T25894] nbd: must specify a size in bytes for the device 10:57:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x2300}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:39 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xfa03000000000000}}, 0x1c) 10:57:39 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5, 0x16, 0x2}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000140)={0x54, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x54}}, 0x0) [ 1226.562155][ T25] audit: type=1804 audit(1633172259.278:18615): pid=25887 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/74/cgroup.controllers" dev="sda1" ino=14836 res=1 errno=0 [ 1226.716453][ T25] audit: type=1804 audit(1633172259.308:18616): pid=25890 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/74/cgroup.controllers" dev="sda1" ino=14836 res=1 errno=0 10:57:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x6}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1226.831314][T25915] validate_nla: 19 callbacks suppressed [ 1226.831332][T25915] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1226.886171][ T25] audit: type=1804 audit(1633172259.308:18617): pid=25888 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2119/cgroup.controllers" dev="sda1" ino=14946 res=1 errno=0 [ 1226.927010][T25915] nbd: failed to add new device 10:57:40 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xf203, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1226.940487][T25917] nbd: must specify a size in bytes for the device 10:57:40 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5, 0x16, 0x3}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) 10:57:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1227.030865][ T25] audit: type=1804 audit(1633172259.318:18618): pid=25888 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755535010/syzkaller.6I6XA9/2119/cgroup.controllers" dev="sda1" ino=14946 res=1 errno=0 10:57:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x2400}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1227.079268][T25924] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1227.116456][T25924] netlink: 'syz-executor.5': attribute type 6 has an invalid length. [ 1227.181300][ T25] audit: type=1804 audit(1633172259.318:18619): pid=25891 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir225975393/syzkaller.ipj8A3/74/cgroup.controllers" dev="sda1" ino=14836 res=1 errno=0 [ 1227.184221][T25929] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1227.281794][T25929] netlink: 'syz-executor.5': attribute type 6 has an invalid length. [ 1227.336803][T25931] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 1227.372001][T25931] nbd: failed to add new device 10:57:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x7}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) [ 1227.395851][T25936] netlink: 'syz-executor.4': attribute type 2 has an invalid length. [ 1227.449526][T25936] nbd: failed to add new device 10:57:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000580)={0x0, 0x8002, &(0x7f0000000540)={&(0x7f0000000140)={0x58, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1a0}, [@NBD_ATTR_SIZE_BYTES={0x28}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x2500}, {0x8, 0x1, r2}]}, @NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{}]}]}, 0xa6}}, 0x0) 10:57:40 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xf303, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1227.588105][T25947] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1227.620247][T25947] nbd: failed to add new device [ 1227.676954][T25952] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 1227.731647][T25952] ------------[ cut here ]------------ [ 1227.766307][T25952] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 10:57:40 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xfc00000000000000}}, 0x1c) 10:57:40 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5, 0x16, 0x4}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1227.795814][T25952] WARNING: CPU: 0 PID: 25952 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 [ 1227.845357][T25952] Modules linked in: [ 1227.863775][T25952] CPU: 0 PID: 25952 Comm: syz-executor.5 Not tainted 5.15.0-rc3-syzkaller #0 [ 1227.912432][T25952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1227.946648][T25952] RIP: 0010:debug_print_object+0x16e/0x250 [ 1227.972210][T25952] Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd 00 3c e4 89 4c 89 ee 48 c7 c7 00 30 e4 89 e8 3e f8 14 05 <0f> 0b 83 05 f5 f3 90 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3 [ 1228.011911][T25952] RSP: 0018:ffffc90006f57110 EFLAGS: 00010286 [ 1228.025084][T25952] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 1228.058566][T25952] RDX: 0000000000040000 RSI: ffffffff815dae48 RDI: fffff52000deae14 10:57:41 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xf403, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1228.078584][T25952] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 1228.099388][T25952] R10: ffffffff815d4bee R11: 0000000000000000 R12: ffffffff898de200 [ 1228.108803][T25952] R13: ffffffff89e43680 R14: ffffffff8164aaf0 R15: 1ffff92000deae2d [ 1228.119364][T25952] FS: 00007f28e165e700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 1228.134416][T25952] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1228.142296][T25952] CR2: 00007f142a89bc18 CR3: 0000000027590000 CR4: 00000000003506e0 [ 1228.152112][T25952] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1228.169202][T25952] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1228.192518][T25952] Call Trace: [ 1228.202932][T25952] ? lockdep_hardirqs_on+0x79/0x100 [ 1228.216432][T25952] debug_object_assert_init+0x1f4/0x2e0 [ 1228.231523][T25952] ? debug_object_free+0x350/0x350 10:57:41 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5, 0x16, 0x5}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1228.249154][T25952] ? find_held_lock+0x2d/0x110 [ 1228.263217][T25952] try_to_del_timer_sync+0x6d/0x110 [ 1228.277641][T25952] ? del_timer+0x110/0x110 [ 1228.306882][T25952] ? del_timer_sync+0x17e/0x1b0 [ 1228.319463][T25952] del_timer_sync+0x138/0x1b0 [ 1228.330521][T25952] cleanup_srcu_struct+0x14c/0x2f0 [ 1228.336646][T25952] blk_mq_hw_sysfs_release+0x147/0x190 [ 1228.345542][T25952] kobject_put+0x1c8/0x540 [ 1228.354757][T25952] blk_mq_release+0x259/0x430 [ 1228.361561][T25952] blk_release_queue+0x2a7/0x4a0 [ 1228.369835][T25952] kobject_put+0x1c8/0x540 [ 1228.380807][T25952] __blk_mq_alloc_disk+0x12e/0x160 [ 1228.397619][T25952] nbd_dev_add+0x3be/0xb90 [ 1228.409770][T25952] nbd_genl_connect+0x11f3/0x1930 [ 1228.422198][T25952] ? nbd_start_device+0xd50/0xd50 [ 1228.432452][T25952] ? __nla_parse+0x3d/0x50 [ 1228.465613][T25952] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1228.499652][T25952] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 10:57:41 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xf803, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1228.525685][T25952] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 1228.608652][T25952] genl_family_rcv_msg_doit+0x228/0x320 [ 1228.630712][T25952] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 1228.656638][T25952] ? mutex_lock_io_nested+0x1150/0x1150 10:57:41 executing program 3: r0 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000000)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_ROUTER={0x5, 0x16, 0x6}, @IFLA_BR_MCAST_SNOOPING={0x5}]}}}]}, 0x44}}, 0x0) [ 1228.684924][T25952] ? genl_op_from_small+0x23/0x3c0 [ 1228.696639][T25952] ? genl_get_cmd+0x3cf/0x480 [ 1228.712968][T25952] genl_rcv_msg+0x328/0x580 [ 1228.723829][T25952] ? genl_get_cmd+0x480/0x480 [ 1228.732030][T25952] ? nbd_start_device+0xd50/0xd50 [ 1228.737115][T25952] ? lock_release+0x720/0x720 [ 1228.749107][T25952] netlink_rcv_skb+0x153/0x420 [ 1228.754028][T25952] ? genl_get_cmd+0x480/0x480 [ 1228.769382][T25952] ? netlink_ack+0xa60/0xa60 [ 1228.774945][T25952] ? netlink_deliver_tap+0x1b1/0xc30 [ 1228.844121][T25952] ? _copy_from_iter+0x12b/0x1320 [ 1228.857814][T25952] genl_rcv+0x24/0x40 [ 1228.861853][T25952] netlink_unicast+0x533/0x7d0 10:57:42 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0xfe80000000000000}}, 0x1c) [ 1228.905302][T25952] ? netlink_attachskb+0x890/0x890 [ 1228.912322][T25952] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1228.940449][T25952] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1228.946759][T25952] ? __phys_addr_symbol+0x2c/0x70 [ 1228.965731][T25952] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 1228.987367][T25952] ? __check_object_size+0x16e/0x3f0 [ 1228.992787][T25952] netlink_sendmsg+0x86d/0xdb0 10:57:42 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000100)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x2bf, 0x0, 0x32}, 0x9c) setsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0, 0x3}, 0x8) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x34000, 0xf903, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) [ 1229.016550][T25952] ? netlink_unicast+0x7d0/0x7d0 [ 1229.035009][T25952] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1229.066173][T25952] ? netlink_unicast+0x7d0/0x7d0 [ 1229.084337][T25952] sock_sendmsg+0xcf/0x120 [ 1229.099544][T25952] ____sys_sendmsg+0x6e8/0x810 [ 1229.115397][T25952] ? kernel_sendmsg+0x50/0x50 [ 1229.133123][T25952] ? do_recvmmsg+0x6d0/0x6d0 [ 1229.150763][T25952] ? lock_chain_count+0x20/0x20 [ 1229.167839][T25952] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 1229.182916][T25952] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 1229.192375][T25952] ___sys_sendmsg+0xf3/0x170 [ 1229.199020][T25952] ? sendmsg_copy_msghdr+0x160/0x160 [ 1229.207145][T25952] ? __fget_files+0x21b/0x3e0 [ 1229.216144][T25952] ? lock_downgrade+0x6e0/0x6e0 [ 1229.222802][T25952] ? __fget_files+0x23d/0x3e0 [ 1229.229766][T25952] ? __fget_light+0xea/0x280 [ 1229.234698][T25952] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1229.252660][T25952] __sys_sendmsg+0xe5/0x1b0 [ 1229.269965][T25952] ? __sys_sendmsg_sock+0x30/0x30 [ 1229.289378][T25952] ? syscall_enter_from_user_mode+0x21/0x70 [ 1229.354159][T25952] do_syscall_64+0x35/0xb0 [ 1229.367395][T25952] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1229.373398][T25952] RIP: 0033:0x7f28e41088d9 [ 1229.399776][T25952] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 [ 1229.425825][T25952] RSP: 002b:00007f28e165e188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1229.436024][T25952] RAX: ffffffffffffffda RBX: 00007f28e420d020 RCX: 00007f28e41088d9 [ 1229.447476][T25952] RDX: 0000000000000000 RSI: 0000000020000580 RDI: 000000000000000a [ 1229.455826][T25952] RBP: 00007f28e4162cb4 R08: 0000000000000000 R09: 0000000000000000 [ 1229.465802][T25952] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1229.475092][T25952] R13: 00007fffdaaa3bcf R14: 00007f28e165e300 R15: 0000000000022000 [ 1229.484910][T25952] Kernel panic - not syncing: panic_on_warn set ... [ 1229.491517][T25952] CPU: 1 PID: 25952 Comm: syz-executor.5 Not tainted 5.15.0-rc3-syzkaller #0 [ 1229.500293][T25952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1229.510796][T25952] Call Trace: [ 1229.514171][T25952] dump_stack_lvl+0xcd/0x134 [ 1229.518801][T25952] panic+0x2b0/0x6dd [ 1229.522750][T25952] ? __warn_printk+0xf3/0xf3 [ 1229.527361][T25952] ? __warn.cold+0x1a/0x44 [ 1229.531794][T25952] ? debug_print_object+0x16e/0x250 [ 1229.537012][T25952] __warn.cold+0x35/0x44 [ 1229.541370][T25952] ? wake_up_klogd.part.0+0x8e/0xd0 [ 1229.546649][T25952] ? debug_print_object+0x16e/0x250 [ 1229.551864][T25952] report_bug+0x1bd/0x210 [ 1229.556309][T25952] handle_bug+0x3c/0x60 [ 1229.560488][T25952] exc_invalid_op+0x14/0x40 [ 1229.565004][T25952] asm_exc_invalid_op+0x12/0x20 [ 1229.569868][T25952] RIP: 0010:debug_print_object+0x16e/0x250 [ 1229.575711][T25952] Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd 00 3c e4 89 4c 89 ee 48 c7 c7 00 30 e4 89 e8 3e f8 14 05 <0f> 0b 83 05 f5 f3 90 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3 [ 1229.595502][T25952] RSP: 0018:ffffc90006f57110 EFLAGS: 00010286 [ 1229.601569][T25952] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 1229.609537][T25952] RDX: 0000000000040000 RSI: ffffffff815dae48 RDI: fffff52000deae14 [ 1229.617591][T25952] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 1229.625561][T25952] R10: ffffffff815d4bee R11: 0000000000000000 R12: ffffffff898de200 [ 1229.633539][T25952] R13: ffffffff89e43680 R14: ffffffff8164aaf0 R15: 1ffff92000deae2d [ 1229.641509][T25952] ? calc_wheel_index+0x3f0/0x3f0 [ 1229.646557][T25952] ? wake_up_klogd.part.0+0x8e/0xd0 [ 1229.651755][T25952] ? vprintk+0x88/0x90 [ 1229.655823][T25952] ? lockdep_hardirqs_on+0x79/0x100 [ 1229.661020][T25952] debug_object_assert_init+0x1f4/0x2e0 [ 1229.666568][T25952] ? debug_object_free+0x350/0x350 [ 1229.671681][T25952] ? find_held_lock+0x2d/0x110 [ 1229.676460][T25952] try_to_del_timer_sync+0x6d/0x110 [ 1229.681746][T25952] ? del_timer+0x110/0x110 [ 1229.686163][T25952] ? del_timer_sync+0x17e/0x1b0 [ 1229.691020][T25952] del_timer_sync+0x138/0x1b0 [ 1229.695709][T25952] cleanup_srcu_struct+0x14c/0x2f0 [ 1229.700918][T25952] blk_mq_hw_sysfs_release+0x147/0x190 [ 1229.706571][T25952] kobject_put+0x1c8/0x540 [ 1229.710984][T25952] blk_mq_release+0x259/0x430 [ 1229.715669][T25952] blk_release_queue+0x2a7/0x4a0 [ 1229.720622][T25952] kobject_put+0x1c8/0x540 [ 1229.725087][T25952] __blk_mq_alloc_disk+0x12e/0x160 [ 1229.730418][T25952] nbd_dev_add+0x3be/0xb90 [ 1229.734850][T25952] nbd_genl_connect+0x11f3/0x1930 [ 1229.739893][T25952] ? nbd_start_device+0xd50/0xd50 [ 1229.744956][T25952] ? __nla_parse+0x3d/0x50 [ 1229.749379][T25952] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1229.755625][T25952] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 1229.763008][T25952] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 1229.770473][T25952] genl_family_rcv_msg_doit+0x228/0x320 [ 1229.776022][T25952] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 1229.783421][T25952] ? mutex_lock_io_nested+0x1150/0x1150 [ 1229.789072][T25952] ? genl_op_from_small+0x23/0x3c0 [ 1229.794194][T25952] ? genl_get_cmd+0x3cf/0x480 [ 1229.798882][T25952] genl_rcv_msg+0x328/0x580 [ 1229.803390][T25952] ? genl_get_cmd+0x480/0x480 [ 1229.808077][T25952] ? nbd_start_device+0xd50/0xd50 [ 1229.813288][T25952] ? lock_release+0x720/0x720 [ 1229.818058][T25952] netlink_rcv_skb+0x153/0x420 [ 1229.822817][T25952] ? genl_get_cmd+0x480/0x480 [ 1229.827490][T25952] ? netlink_ack+0xa60/0xa60 [ 1229.832161][T25952] ? netlink_deliver_tap+0x1b1/0xc30 [ 1229.837441][T25952] ? _copy_from_iter+0x12b/0x1320 [ 1229.842557][T25952] genl_rcv+0x24/0x40 [ 1229.846537][T25952] netlink_unicast+0x533/0x7d0 [ 1229.851311][T25952] ? netlink_attachskb+0x890/0x890 [ 1229.856417][T25952] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1229.862836][T25952] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1229.869125][T25952] ? __phys_addr_symbol+0x2c/0x70 [ 1229.874144][T25952] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 1229.879859][T25952] ? __check_object_size+0x16e/0x3f0 [ 1229.885149][T25952] netlink_sendmsg+0x86d/0xdb0 [ 1229.889915][T25952] ? netlink_unicast+0x7d0/0x7d0 [ 1229.894940][T25952] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1229.901268][T25952] ? netlink_unicast+0x7d0/0x7d0 [ 1229.906289][T25952] sock_sendmsg+0xcf/0x120 [ 1229.910713][T25952] ____sys_sendmsg+0x6e8/0x810 [ 1229.915478][T25952] ? kernel_sendmsg+0x50/0x50 [ 1229.920153][T25952] ? do_recvmmsg+0x6d0/0x6d0 [ 1229.924743][T25952] ? lock_chain_count+0x20/0x20 [ 1229.929604][T25952] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 1229.935595][T25952] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 1229.941406][T25952] ___sys_sendmsg+0xf3/0x170 [ 1229.945995][T25952] ? sendmsg_copy_msghdr+0x160/0x160 [ 1229.951283][T25952] ? __fget_files+0x21b/0x3e0 [ 1229.955968][T25952] ? lock_downgrade+0x6e0/0x6e0 [ 1229.960841][T25952] ? __fget_files+0x23d/0x3e0 [ 1229.965534][T25952] ? __fget_light+0xea/0x280 [ 1229.970123][T25952] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1229.976383][T25952] __sys_sendmsg+0xe5/0x1b0 [ 1229.980912][T25952] ? __sys_sendmsg_sock+0x30/0x30 [ 1229.986046][T25952] ? syscall_enter_from_user_mode+0x21/0x70 [ 1229.991955][T25952] do_syscall_64+0x35/0xb0 [ 1229.996381][T25952] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1230.002275][T25952] RIP: 0033:0x7f28e41088d9 [ 1230.006706][T25952] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 [ 1230.026406][T25952] RSP: 002b:00007f28e165e188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1230.034821][T25952] RAX: ffffffffffffffda RBX: 00007f28e420d020 RCX: 00007f28e41088d9 [ 1230.042788][T25952] RDX: 0000000000000000 RSI: 0000000020000580 RDI: 000000000000000a [ 1230.050931][T25952] RBP: 00007f28e4162cb4 R08: 0000000000000000 R09: 0000000000000000 [ 1230.058903][T25952] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1230.066870][T25952] R13: 00007fffdaaa3bcf R14: 00007f28e165e300 R15: 0000000000022000 [ 1230.075390][T25952] Kernel Offset: disabled [ 1230.079930][T25952] Rebooting in 86400 seconds..