executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x0, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 593.968495][ T3612] batman_adv: batadv0: The MTU of interface vlan322 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 594.047510][ T3612] batman_adv: batadv0: Not using interface vlan322 (retrying later): interface not active 05:57:31 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r2}, &(0x7f0000000040)=0x20) [ 594.102922][ T3621] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:31 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r2}, &(0x7f0000000040)=0x20) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000001380)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000200)=@newlink={0x5c, 0x10, 0x403, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x203}, [@IFLA_LINKINFO={0x2c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0x1c, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6, 0x1, 0x9}, @IFLA_VLAN_FLAGS={0xc, 0x2, {0xe, 0xa}}, @IFLA_VLAN_EGRESS_QOS={0x4}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r6}]}, 0x5c}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f2, &(0x7f00000019c0)={'ip6gre0\x00', &(0x7f0000001940)={'syztnl0\x00', r6, 0x29, 0xef, 0x20, 0x5d36, 0x2, @dev={0xfe, 0x80, [], 0x30}, @empty, 0x1, 0x40, 0x1, 0x10001}}) 05:57:31 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3200, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 594.285025][ T3627] batman_adv: batadv0: Adding interface: vlan489 05:57:31 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x4, 0x0, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 594.316343][ T3627] batman_adv: batadv0: The MTU of interface vlan489 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. [ 594.417049][ T3627] batman_adv: batadv0: Not using interface vlan489 (retrying later): interface not active [ 594.422040][ T3629] batman_adv: batadv0: Interface activated: vlan489 [ 594.456202][ T3627] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:31 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x67ae0400, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:31 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x4800, r6, 0x38483}}, 0x20}}, 0x0) 05:57:31 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3201, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:31 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x5, 0x0, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 594.660011][ T3653] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 594.789613][ T3657] batman_adv: batadv0: Adding interface: vlan323 [ 594.821005][ T3657] batman_adv: batadv0: The MTU of interface vlan323 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. [ 594.927210][ T3657] batman_adv: batadv0: Not using interface vlan323 (retrying later): interface not active 05:57:31 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3300, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:31 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0xf, 0x0, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 594.967475][ T3654] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:32 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) [ 595.116513][ T3665] batman_adv: batadv0: Adding interface: vlan490 [ 595.134704][ T3665] batman_adv: batadv0: The MTU of interface vlan490 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:32 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3301, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:32 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r2}, &(0x7f0000000040)=0x20) openat$vcs(0xffffffffffffff9c, &(0x7f0000001380)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x1, 0x803, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000200)=@newlink={0x5c, 0x10, 0x403, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x203}, [@IFLA_LINKINFO={0x2c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0x1c, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6, 0x1, 0x9}, @IFLA_VLAN_FLAGS={0xc, 0x2, {0xe, 0xa}}, @IFLA_VLAN_EGRESS_QOS={0x4}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r5}]}, 0x5c}}, 0x0) 05:57:32 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x10, 0x0, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 595.307594][ T3665] batman_adv: batadv0: Not using interface vlan490 (retrying later): interface not active [ 595.342317][ T3667] batman_adv: batadv0: Interface activated: vlan490 [ 595.384823][ T3665] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:32 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x68000000, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:32 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x4809, r6, 0x38483}}, 0x20}}, 0x0) 05:57:32 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3400, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:32 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x0, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 595.593662][ T3696] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:57:32 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3401, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 595.752344][ T3704] batman_adv: batadv0: Adding interface: vlan324 [ 595.775085][ T3704] batman_adv: batadv0: The MTU of interface vlan324 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. 05:57:32 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x2, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 595.882912][ T3704] batman_adv: batadv0: Not using interface vlan324 (retrying later): interface not active 05:57:32 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 595.939174][ T3703] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:33 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 596.101748][ T3708] batman_adv: batadv0: Adding interface: vlan491 05:57:33 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3500, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 596.134901][ T3708] batman_adv: batadv0: The MTU of interface vlan491 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:33 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 596.251748][ T3708] batman_adv: batadv0: Not using interface vlan491 (retrying later): interface not active 05:57:33 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r2}, &(0x7f0000000040)=0x20) openat$vcs(0xffffffffffffff9c, &(0x7f0000001380)='/dev/vcs\x00', 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x1, 0x803, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) [ 596.299597][ T3714] batman_adv: batadv0: Interface activated: vlan491 05:57:33 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x4909, r6, 0x38483}}, 0x20}}, 0x0) 05:57:33 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x6c000000, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:33 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3501, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 596.602064][ T3742] batman_adv: batadv0: Adding interface: vlan492 [ 596.624334][ T3742] batman_adv: batadv0: The MTU of interface vlan492 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. 05:57:33 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 596.684032][ T3742] batman_adv: batadv0: Not using interface vlan492 (retrying later): interface not active 05:57:33 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3600, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 596.786306][ T3753] batman_adv: batadv0: Interface activated: vlan492 [ 596.831480][ T3754] batman_adv: batadv0: Adding interface: vlan325 [ 596.850881][ T3754] batman_adv: batadv0: The MTU of interface vlan325 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. [ 596.972029][ T3754] batman_adv: batadv0: Not using interface vlan325 (retrying later): interface not active 05:57:33 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x4c00, r6, 0x38483}}, 0x20}}, 0x0) 05:57:33 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:33 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x74000000, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:34 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(0xffffffffffffffff, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:34 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3601, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:34 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(0xffffffffffffffff, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:34 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r2}, &(0x7f0000000040)=0x20) openat$vcs(0xffffffffffffff9c, &(0x7f0000001380)='/dev/vcs\x00', 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) socket(0x1, 0x803, 0x0) [ 597.404370][ T3779] batman_adv: batadv0: Adding interface: vlan326 05:57:34 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 597.433668][ T3779] batman_adv: batadv0: The MTU of interface vlan326 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:34 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(0xffffffffffffffff, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:34 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3700, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 597.536398][ T3779] batman_adv: batadv0: Not using interface vlan326 (retrying later): interface not active [ 597.674923][ T3784] batman_adv: batadv0: Adding interface: vlan493 [ 597.710261][ T3784] batman_adv: batadv0: The MTU of interface vlan493 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:34 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 597.780691][ T3784] batman_adv: batadv0: Not using interface vlan493 (retrying later): interface not active 05:57:34 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 597.821940][ T3788] batman_adv: batadv0: Interface activated: vlan493 05:57:34 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x5865, r6, 0x38483}}, 0x20}}, 0x0) 05:57:34 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x74482af4, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:34 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3701, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:35 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 598.215142][ T3829] batman_adv: batadv0: Adding interface: vlan327 [ 598.237658][ T3829] batman_adv: batadv0: The MTU of interface vlan327 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. 05:57:35 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r2}, &(0x7f0000000040)=0x20) openat$vcs(0xffffffffffffff9c, &(0x7f0000001380)='/dev/vcs\x00', 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) 05:57:35 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3800, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 598.350846][ T3829] batman_adv: batadv0: Not using interface vlan327 (retrying later): interface not active 05:57:35 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 598.457157][ T3832] batman_adv: batadv0: Adding interface: vlan494 [ 598.481845][ T3832] batman_adv: batadv0: The MTU of interface vlan494 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. [ 598.557544][ T3832] batman_adv: batadv0: Not using interface vlan494 (retrying later): interface not active [ 598.592204][ T3836] batman_adv: batadv0: Interface activated: vlan494 [ 598.628159][ T3832] __nla_validate_parse: 9 callbacks suppressed [ 598.628170][ T3832] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:35 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x7a000000, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:35 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x6000, r6, 0x38483}}, 0x20}}, 0x0) 05:57:35 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:35 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3801, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:35 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 598.847904][ T3863] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:57:35 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3900, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 598.972221][ T3866] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 599.115013][ T3867] batman_adv: batadv0: Adding interface: vlan328 05:57:36 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 599.141071][ T3867] batman_adv: batadv0: The MTU of interface vlan328 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. [ 599.236381][ T3867] batman_adv: batadv0: Not using interface vlan328 (retrying later): interface not active [ 599.288190][ T3873] batman_adv: batadv0: Adding interface: vlan495 [ 599.304217][ T3873] batman_adv: batadv0: The MTU of interface vlan495 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. 05:57:36 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3901, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:36 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r2}, &(0x7f0000000040)=0x20) openat$vcs(0xffffffffffffff9c, &(0x7f0000001380)='/dev/vcs\x00', 0x0, 0x0) [ 599.340205][ T3873] batman_adv: batadv0: Not using interface vlan495 (retrying later): interface not active [ 599.357247][ T3877] batman_adv: batadv0: Interface activated: vlan495 [ 599.377162][ T3866] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:36 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x7a020000, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:36 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x6558, r6, 0x38483}}, 0x20}}, 0x0) 05:57:36 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 599.531441][ T3899] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 599.682247][ T3902] batman_adv: batadv0: Adding interface: vlan329 [ 599.699663][ T3902] batman_adv: batadv0: The MTU of interface vlan329 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:36 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3a00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:36 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 599.732984][ T3902] batman_adv: batadv0: Not using interface vlan329 (retrying later): interface not active [ 599.760200][ T3907] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 599.883614][ T3913] batman_adv: batadv0: Adding interface: vlan496 05:57:36 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xe, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 599.936886][ T3913] batman_adv: batadv0: The MTU of interface vlan496 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:36 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3a01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 600.028583][ T3913] batman_adv: batadv0: Not using interface vlan496 (retrying later): interface not active [ 600.060739][ T3914] batman_adv: batadv0: Interface activated: vlan496 [ 600.098298][ T3907] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:37 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x81000000, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:37 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x6800, r6, 0x38483}}, 0x20}}, 0x0) 05:57:37 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xf, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:37 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r2}, &(0x7f0000000040)=0x20) [ 600.300849][ T3934] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:57:37 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3b00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 600.402476][ T3935] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 600.557585][ T3936] batman_adv: batadv0: Adding interface: vlan330 [ 600.586249][ T3936] batman_adv: batadv0: The MTU of interface vlan330 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. 05:57:37 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x10, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:37 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3b01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:37 executing program 2: r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 600.695835][ T3936] batman_adv: batadv0: Not using interface vlan330 (retrying later): interface not active [ 600.783048][ T3939] batman_adv: batadv0: Adding interface: vlan497 [ 600.814750][ T3939] batman_adv: batadv0: The MTU of interface vlan497 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. 05:57:37 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3c00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 600.891208][ T3939] batman_adv: batadv0: Not using interface vlan497 (retrying later): interface not active [ 600.922373][ T3944] batman_adv: batadv0: Interface activated: vlan497 [ 600.955316][ T3939] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:37 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x88400000, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:37 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x11, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:37 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x6c00, r6, 0x38483}}, 0x20}}, 0x0) 05:57:38 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3c01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:38 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x12, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:38 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) [ 601.274461][ T3981] batman_adv: batadv0: Adding interface: vlan331 [ 601.294117][ T3981] batman_adv: batadv0: The MTU of interface vlan331 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 601.393293][ T3981] batman_adv: batadv0: Not using interface vlan331 (retrying later): interface not active 05:57:38 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3d00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 601.485032][ T3985] batman_adv: batadv0: Adding interface: vlan498 05:57:38 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x13, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 601.521951][ T3985] batman_adv: batadv0: The MTU of interface vlan498 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 601.603204][ T3985] batman_adv: batadv0: Not using interface vlan498 (retrying later): interface not active 05:57:38 executing program 2: r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 601.645696][ T3980] batman_adv: batadv0: Interface activated: vlan498 05:57:38 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x88a8ffff, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:38 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x7400, r6, 0x38483}}, 0x20}}, 0x0) 05:57:38 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3d01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:38 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x14, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:38 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3e00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 602.080474][ T4019] batman_adv: batadv0: Adding interface: vlan332 [ 602.100932][ T4019] batman_adv: batadv0: The MTU of interface vlan332 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. [ 602.177691][ T4019] batman_adv: batadv0: Not using interface vlan332 (retrying later): interface not active 05:57:39 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x15, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:39 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 602.259510][ T4020] batman_adv: batadv0: Adding interface: vlan499 [ 602.267235][ T4020] batman_adv: batadv0: The MTU of interface vlan499 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 602.301367][ T4020] batman_adv: batadv0: Not using interface vlan499 (retrying later): interface not active 05:57:39 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3e01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 602.348931][ T4026] batman_adv: batadv0: Interface activated: vlan499 05:57:39 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x7a00, r6, 0x38483}}, 0x20}}, 0x0) 05:57:39 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x98030000, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:39 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x16, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:39 executing program 2: r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:39 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3f00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 602.656767][ T4055] batman_adv: batadv0: Adding interface: vlan500 [ 602.663397][ T4055] batman_adv: batadv0: The MTU of interface vlan500 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. [ 602.748952][ T4055] batman_adv: batadv0: Not using interface vlan500 (retrying later): interface not active [ 602.809075][ T4048] batman_adv: batadv0: Interface activated: vlan500 [ 602.844094][ T4059] batman_adv: batadv0: Adding interface: vlan333 [ 602.851632][ T4059] batman_adv: batadv0: The MTU of interface vlan333 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. [ 602.882119][ T4059] batman_adv: batadv0: Not using interface vlan333 (retrying later): interface not active 05:57:39 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x8100, r6, 0x38483}}, 0x20}}, 0x0) 05:57:39 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x17, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:39 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x9effffff, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:39 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3f01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 603.135505][ T4076] batman_adv: batadv0: Adding interface: vlan501 [ 603.158915][ T4076] batman_adv: batadv0: The MTU of interface vlan501 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. [ 603.189583][ T4076] batman_adv: batadv0: Not using interface vlan501 (retrying later): interface not active [ 603.240194][ T4085] batman_adv: batadv0: Adding interface: vlan334 [ 603.258834][ T4085] batman_adv: batadv0: The MTU of interface vlan334 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. 05:57:40 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x18, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 603.293547][ T4085] batman_adv: batadv0: Not using interface vlan334 (retrying later): interface not active [ 603.309935][ T4091] batman_adv: batadv0: Interface activated: vlan501 05:57:40 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) socket$inet6_sctp(0xa, 0x10000000005, 0x84) 05:57:40 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4000, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:40 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xaa030000, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:40 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xf000, r6, 0x38483}}, 0x20}}, 0x0) 05:57:40 executing program 2: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:40 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4001, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:40 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:57:40 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x19, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 603.748924][ T4108] __nla_validate_parse: 13 callbacks suppressed [ 603.748936][ T4108] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:40 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') close(0xffffffffffffffff) [ 603.937458][ T4111] batman_adv: batadv0: Adding interface: vlan335 05:57:40 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4100, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 603.963055][ T4111] batman_adv: batadv0: The MTU of interface vlan335 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. 05:57:40 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x1a, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:41 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') close(0xffffffffffffffff) [ 604.082221][ T4111] batman_adv: batadv0: Not using interface vlan335 (retrying later): interface not active [ 604.174684][ T4113] batman_adv: batadv0: Adding interface: vlan502 [ 604.193201][ T4113] batman_adv: batadv0: The MTU of interface vlan502 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:41 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') close(0xffffffffffffffff) [ 604.299851][ T4113] batman_adv: batadv0: Not using interface vlan502 (retrying later): interface not active 05:57:41 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4101, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 604.352186][ T4114] batman_adv: batadv0: Interface activated: vlan502 [ 604.396587][ T4113] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:41 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xc3ffffff, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:41 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xffff, r6, 0x38483}}, 0x20}}, 0x0) [ 604.591866][ T4151] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:57:41 executing program 2: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:41 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x1b, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:41 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:57:41 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4200, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 604.732544][ T4152] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:41 executing program 1: socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) [ 604.931831][ T4153] batman_adv: batadv0: Adding interface: vlan336 05:57:41 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4201, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:41 executing program 1: socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:57:41 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x1c, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 604.961042][ T4153] batman_adv: batadv0: The MTU of interface vlan336 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. [ 605.062161][ T4153] batman_adv: batadv0: Not using interface vlan336 (retrying later): interface not active 05:57:42 executing program 1: socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) [ 605.148757][ T4156] batman_adv: batadv0: Adding interface: vlan503 [ 605.173679][ T4156] batman_adv: batadv0: The MTU of interface vlan503 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. [ 605.273889][ T4156] batman_adv: batadv0: Not using interface vlan503 (retrying later): interface not active 05:57:42 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4300, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 605.317378][ T4161] batman_adv: batadv0: Interface activated: vlan503 05:57:42 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xce030000, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 605.362669][ T4156] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:42 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x20}}, 0x0) [ 605.494288][ T4195] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 605.561704][ T4196] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:42 executing program 2: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:42 executing program 1: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:57:42 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x1d, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:42 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4301, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 605.684067][ T4197] batman_adv: batadv0: Adding interface: vlan337 [ 605.712378][ T4197] batman_adv: batadv0: The MTU of interface vlan337 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:42 executing program 1: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) [ 605.803163][ T4197] batman_adv: batadv0: Not using interface vlan337 (retrying later): interface not active 05:57:42 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x1e, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:42 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4400, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 605.853864][ T4202] batman_adv: batadv0: Adding interface: vlan504 [ 605.868945][ T4202] batman_adv: batadv0: The MTU of interface vlan504 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:42 executing program 1: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) [ 605.973891][ T4202] batman_adv: batadv0: Not using interface vlan504 (retrying later): interface not active [ 606.007270][ T4203] batman_adv: batadv0: Interface activated: vlan504 [ 606.046790][ T4202] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:43 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xe4ffffff, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:43 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x2}}, 0x20}}, 0x0) 05:57:43 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4401, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:43 executing program 1: perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) [ 606.234997][ T4234] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 606.297369][ T4234] batman_adv: batadv0: Adding interface: vlan338 [ 606.304404][ T4234] batman_adv: batadv0: The MTU of interface vlan338 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. [ 606.365434][ T4234] batman_adv: batadv0: Not using interface vlan338 (retrying later): interface not active [ 606.382170][ T4241] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 606.530558][ T4246] batman_adv: batadv0: Adding interface: vlan505 [ 606.545560][ T4246] batman_adv: batadv0: The MTU of interface vlan505 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. 05:57:43 executing program 2: perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:43 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x21, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:43 executing program 1: perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:57:43 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4500, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 606.652051][ T4246] batman_adv: batadv0: Not using interface vlan505 (retrying later): interface not active 05:57:43 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xee030000, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:43 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x3}}, 0x20}}, 0x0) 05:57:43 executing program 1: perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:57:43 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x22, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:43 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4501, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:43 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:57:43 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x23, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 607.039459][ T4273] batman_adv: batadv0: Adding interface: vlan339 [ 607.066492][ T4273] batman_adv: batadv0: The MTU of interface vlan339 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. [ 607.191320][ T4273] batman_adv: batadv0: Not using interface vlan339 (retrying later): interface not active 05:57:44 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) [ 607.353845][ T4281] batman_adv: batadv0: Adding interface: vlan506 [ 607.363159][ T4281] batman_adv: batadv0: The MTU of interface vlan506 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. [ 607.391158][ T4281] batman_adv: batadv0: Not using interface vlan506 (retrying later): interface not active [ 607.407829][ T4284] batman_adv: batadv0: Interface activated: vlan506 05:57:44 executing program 2: perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:44 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x24, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:44 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4600, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:44 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:57:44 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xeea07e39, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:44 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x4}}, 0x20}}, 0x0) 05:57:44 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:57:44 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4601, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:44 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x25, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 607.882702][ T4314] batman_adv: batadv0: Adding interface: vlan340 [ 607.898938][ T4314] batman_adv: batadv0: The MTU of interface vlan340 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:44 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) [ 607.993072][ T4314] batman_adv: batadv0: Not using interface vlan340 (retrying later): interface not active 05:57:45 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x0, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) [ 608.099291][ T4315] batman_adv: batadv0: Adding interface: vlan507 [ 608.114515][ T4315] batman_adv: batadv0: The MTU of interface vlan507 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:45 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x26, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 608.230599][ T4315] batman_adv: batadv0: Not using interface vlan507 (retrying later): interface not active 05:57:45 executing program 2: perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:45 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4700, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:45 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xf0ffffff, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:45 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x5}}, 0x20}}, 0x0) 05:57:45 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x0, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:57:45 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x27, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 608.767057][ T4355] __nla_validate_parse: 8 callbacks suppressed [ 608.767069][ T4355] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:57:45 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x0, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:57:45 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4701, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:45 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x28, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 608.933410][ T4362] batman_adv: batadv0: Adding interface: vlan508 [ 608.951113][ T4362] batman_adv: batadv0: The MTU of interface vlan508 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. [ 609.071213][ T4362] batman_adv: batadv0: Not using interface vlan508 (retrying later): interface not active 05:57:46 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:57:46 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4800, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 609.179702][ T4364] batman_adv: batadv0: Adding interface: vlan341 [ 609.223307][ T4364] batman_adv: batadv0: The MTU of interface vlan341 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:46 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x29, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 609.309099][ T4364] batman_adv: batadv0: Not using interface vlan341 (retrying later): interface not active [ 609.361445][ T4367] batman_adv: batadv0: Interface activated: vlan508 [ 609.389251][ T4362] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:46 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:46 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:57:46 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xf4030000, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:46 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x2a, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:46 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4801, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:46 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x6}}, 0x20}}, 0x0) [ 609.638997][ T4403] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:57:46 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) [ 609.749429][ T4407] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:46 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x2b, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:46 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4900, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 609.870704][ T4409] batman_adv: batadv0: Adding interface: vlan342 [ 609.911166][ T4409] batman_adv: batadv0: The MTU of interface vlan342 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. 05:57:46 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, 0x0) close(0xffffffffffffffff) [ 610.001525][ T4409] batman_adv: batadv0: Not using interface vlan342 (retrying later): interface not active [ 610.090830][ T4413] batman_adv: batadv0: Adding interface: vlan509 05:57:47 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x2c, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:47 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, 0x0) close(0xffffffffffffffff) [ 610.122421][ T4413] batman_adv: batadv0: The MTU of interface vlan509 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 610.206674][ T4413] batman_adv: batadv0: Not using interface vlan509 (retrying later): interface not active [ 610.261080][ T4413] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:47 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:47 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4901, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:47 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xf42a4874, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:47 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, 0x0) close(0xffffffffffffffff) 05:57:47 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x7}}, 0x20}}, 0x0) 05:57:47 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x2d, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 610.591349][ T4448] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:57:47 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(0xffffffffffffffff) [ 610.733126][ T4449] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:47 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x2e, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:47 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4a00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 610.888745][ T4452] batman_adv: batadv0: Adding interface: vlan343 05:57:47 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(0xffffffffffffffff) [ 610.919214][ T4452] batman_adv: batadv0: The MTU of interface vlan343 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:47 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x2f, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 610.985715][ T4452] batman_adv: batadv0: Not using interface vlan343 (retrying later): interface not active [ 611.069720][ T4455] batman_adv: batadv0: Adding interface: vlan510 [ 611.092045][ T4455] batman_adv: batadv0: The MTU of interface vlan510 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. 05:57:48 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(0xffffffffffffffff) [ 611.168811][ T4455] batman_adv: batadv0: Not using interface vlan510 (retrying later): interface not active [ 611.228054][ T4459] batman_adv: batadv0: Interface activated: vlan510 [ 611.278588][ T4455] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:48 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:48 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4a01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:48 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x30, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:48 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xfe0f0000, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:48 executing program 1: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xeea07e39, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:48 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x8}}, 0x20}}, 0x0) [ 611.538119][ T4492] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:57:48 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4b00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 611.660632][ T4494] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:48 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x31, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 611.884982][ T4497] batman_adv: batadv0: Adding interface: vlan344 [ 611.916846][ T4497] batman_adv: batadv0: The MTU of interface vlan344 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:48 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4b01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 611.981267][ T4497] batman_adv: batadv0: Not using interface vlan344 (retrying later): interface not active [ 612.051870][ T4498] batman_adv: batadv0: Adding interface: vlan511 [ 612.085250][ T4498] batman_adv: batadv0: The MTU of interface vlan511 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. 05:57:49 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4c00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:49 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x32, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 612.188893][ T4498] batman_adv: batadv0: Not using interface vlan511 (retrying later): interface not active [ 612.284098][ T4502] batman_adv: batadv0: Adding interface: vlan5 [ 612.309948][ T4502] batman_adv: batadv0: The MTU of interface vlan5 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. [ 612.383125][ T4502] batman_adv: batadv0: Not using interface vlan5 (retrying later): interface not active 05:57:49 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:49 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x33, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:49 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xfeff0000, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:49 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x9}}, 0x20}}, 0x0) 05:57:49 executing program 1: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xeea07e39, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:49 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4c01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:49 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x34, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 612.843293][ T4553] batman_adv: batadv0: Adding interface: vlan345 05:57:49 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4d00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:49 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x35, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 612.871223][ T4553] batman_adv: batadv0: The MTU of interface vlan345 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. 05:57:49 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x36, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 612.990617][ T4553] batman_adv: batadv0: Not using interface vlan345 (retrying later): interface not active [ 613.082243][ T4554] batman_adv: batadv0: Adding interface: vlan512 [ 613.090683][ T4554] batman_adv: batadv0: The MTU of interface vlan512 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 613.144637][ T4554] batman_adv: batadv0: Not using interface vlan512 (retrying later): interface not active 05:57:50 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4d01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:50 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x37, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 613.223290][ T4555] batman_adv: batadv0: Adding interface: vlan6 [ 613.257068][ T4555] batman_adv: batadv0: The MTU of interface vlan6 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 613.330419][ T4555] batman_adv: batadv0: Not using interface vlan6 (retrying later): interface not active [ 613.353513][ T4561] batman_adv: batadv0: Interface activated: vlan512 05:57:50 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:50 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xa}}, 0x20}}, 0x0) 05:57:50 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xfeffffff, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:50 executing program 1: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:57:50 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x38, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:50 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4e00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:50 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) socket$inet6_sctp(0xa, 0x10000000005, 0x84) 05:57:50 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x39, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:50 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4e01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:50 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r2}, &(0x7f0000000040)=0x20) openat$vcs(0xffffffffffffff9c, &(0x7f0000001380)='/dev/vcs\x00', 0x0, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x1, 0x803, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000200)=@newlink={0x5c, 0x10, 0x403, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x203}, [@IFLA_LINKINFO={0x2c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0x1c, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6, 0x1, 0x9}, @IFLA_VLAN_FLAGS={0xc, 0x2, {0xe, 0xa}}, @IFLA_VLAN_EGRESS_QOS={0x4}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r5}]}, 0x5c}}, 0x0) [ 613.848855][ T4605] batman_adv: batadv0: Adding interface: vlan346 [ 613.873117][ T4605] batman_adv: batadv0: The MTU of interface vlan346 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. [ 613.959887][ T4605] batman_adv: batadv0: Not using interface vlan346 (retrying later): interface not active 05:57:50 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3a, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 614.023561][ T4606] batman_adv: batadv0: Adding interface: vlan513 [ 614.054010][ T4606] batman_adv: batadv0: The MTU of interface vlan513 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:51 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4f00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 614.135325][ T4606] batman_adv: batadv0: Not using interface vlan513 (retrying later): interface not active [ 614.164457][ T4606] __nla_validate_parse: 9 callbacks suppressed [ 614.164469][ T4606] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:51 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:51 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xff0f0000, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:51 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xc}}, 0x20}}, 0x0) 05:57:51 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4f01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:51 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3b, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 614.525130][ T4644] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:51 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5000, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 614.667740][ T4645] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:57:51 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3c, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:51 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r2}, &(0x7f0000000040)=0x20) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000001380)='/dev/vcs\x00', 0x0, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000200)=@newlink={0x5c, 0x10, 0x403, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x203}, [@IFLA_LINKINFO={0x2c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0x1c, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6, 0x1, 0x9}, @IFLA_VLAN_FLAGS={0xc, 0x2, {0xe, 0xa}}, @IFLA_VLAN_EGRESS_QOS={0x4}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r6}]}, 0x5c}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f2, &(0x7f00000019c0)={'ip6gre0\x00', &(0x7f0000001940)={'syztnl0\x00', r6, 0x29, 0xef, 0x20, 0x5d36, 0x2, @dev={0xfe, 0x80, [], 0x30}, @empty, 0x1, 0x40, 0x1, 0x10001}}) [ 614.784693][ T4648] batman_adv: batadv0: Adding interface: vlan347 [ 614.818033][ T4648] batman_adv: batadv0: The MTU of interface vlan347 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 614.926936][ T4648] batman_adv: batadv0: Not using interface vlan347 (retrying later): interface not active 05:57:51 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5001, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:51 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3d, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 615.019885][ T4647] batman_adv: batadv0: Adding interface: vlan514 [ 615.056726][ T4647] batman_adv: batadv0: The MTU of interface vlan514 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 615.119905][ T4647] batman_adv: batadv0: Not using interface vlan514 (retrying later): interface not active [ 615.140855][ T4647] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:52 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xff7f0000, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:52 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xe}}, 0x20}}, 0x0) [ 615.325624][ T4684] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 615.362557][ T4683] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:52 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:52 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5100, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:52 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x3e, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 615.510488][ T4684] batman_adv: batadv0: Adding interface: vlan348 [ 615.543695][ T4684] batman_adv: batadv0: The MTU of interface vlan348 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:52 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5101, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:52 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x41, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 615.665133][ T4684] batman_adv: batadv0: Not using interface vlan348 (retrying later): interface not active 05:57:52 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 615.752793][ T4689] batman_adv: batadv0: Adding interface: vlan515 05:57:52 executing program 1 (fault-call:2 fault-nth:0): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) [ 615.779087][ T4689] batman_adv: batadv0: The MTU of interface vlan515 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:52 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x42, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 615.920265][ T4689] batman_adv: batadv0: Not using interface vlan515 (retrying later): interface not active 05:57:52 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:52 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5200, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 615.998468][ T4689] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:52 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xffff0300, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:53 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xf}}, 0x20}}, 0x0) 05:57:53 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) [ 616.205101][ T4734] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:57:53 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x43, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:53 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x200a, 0x0, 0x0, 0x0, 0x2000000000000000, 0x6}, 0x0, 0xc, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:57:53 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(0xffffffffffffffff, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:53 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5201, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 616.422907][ T4739] batman_adv: batadv0: Adding interface: vlan349 [ 616.453679][ T4739] batman_adv: batadv0: The MTU of interface vlan349 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:53 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$VIDIOC_G_SLICED_VBI_CAP(r1, 0xc0745645, &(0x7f00000000c0)={0x9, [0x400, 0x4, 0x8, 0xfffa, 0x9, 0x1, 0x5, 0xad7, 0x2, 0xffe1, 0x2, 0x1ff, 0x7, 0x0, 0x2, 0x400, 0x0, 0x4, 0x4, 0xfff7, 0x9, 0x3, 0xed, 0xfff8, 0x6, 0x7, 0x800, 0x0, 0x9, 0x7, 0xffff, 0xa786, 0x0, 0x7, 0x101, 0xac6, 0x200, 0x7, 0x3, 0x0, 0x0, 0x5, 0x9, 0x90, 0x100, 0x200, 0x5, 0x6], 0x3}) r2 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dlm-monitor\x00', 0x20300, 0x0) socketpair(0x30, 0xa, 0x6c3, &(0x7f0000000000)) r3 = gettid() ptrace$setopts(0x4206, r3, 0x0, 0x0) tkill(r3, 0x3c) ioctl$EVIOCGSND(r2, 0x8040451a, &(0x7f0000001180)=""/23) ptrace$cont(0x18, r3, 0x0, 0x0) ptrace$setregs(0xd, r3, 0x0, &(0x7f0000000080)) ptrace$cont(0x20, r3, 0x0, 0x3) sched_setparam(r3, &(0x7f0000001140)=0x5) 05:57:53 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x44, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:53 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(0xffffffffffffffff, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 616.620735][ T4739] batman_adv: batadv0: Not using interface vlan349 (retrying later): interface not active [ 616.667988][ T4740] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:53 executing program 1: r0 = gettid() ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x3c) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x20, r0, 0x0, 0x3) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0xea, 0x0, 0x10, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x80, 0x0, 0x0, 0x0, 0x0, 0x4000000}, r0, 0xa, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r1) 05:57:53 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5300, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 616.848700][ T4743] batman_adv: batadv0: Adding interface: vlan516 [ 616.874288][ T4743] batman_adv: batadv0: The MTU of interface vlan516 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. [ 616.931623][ T4743] batman_adv: batadv0: Not using interface vlan516 (retrying later): interface not active [ 616.965794][ T4749] batman_adv: batadv0: Interface activated: vlan516 05:57:53 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xffffa888, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:53 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(0xffffffffffffffff, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:53 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) getsockname$tipc(r1, &(0x7f0000000000)=@id, &(0x7f0000000040)=0x10) 05:57:53 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x45, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:53 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x10}}, 0x20}}, 0x0) [ 616.986910][ T4743] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:53 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5301, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:54 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, 0x0, 0x0) 05:57:54 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x3) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:57:54 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x46, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 617.377290][ T4796] batman_adv: batadv0: Adding interface: vlan517 05:57:54 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, 0x0, 0x0) 05:57:54 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5400, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 617.418519][ T4796] batman_adv: batadv0: The MTU of interface vlan517 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:54 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xd, 0xffffffffffffffff, 0x0) socketpair(0x1f, 0x1, 0x79d, &(0x7f0000000080)={0x0, 0x0}) close(r0) socket$inet6_icmp(0xa, 0x2, 0x3a) [ 617.529278][ T4796] batman_adv: batadv0: Not using interface vlan517 (retrying later): interface not active [ 617.622729][ T4797] batman_adv: batadv0: Adding interface: vlan350 [ 617.645280][ T4797] batman_adv: batadv0: The MTU of interface vlan350 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. [ 617.718302][ T4797] batman_adv: batadv0: Not using interface vlan350 (retrying later): interface not active 05:57:54 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xfffff000, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:54 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, 0x0, 0x0) 05:57:54 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5401, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:54 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x47, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:54 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x2, 0xfffffffc, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:57:54 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x48}}, 0x20}}, 0x0) 05:57:54 executing program 1: r0 = perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) dup(r0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r3 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r3, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) sendmsg$IPSET_CMD_LIST(r3, &(0x7f0000001200)={&(0x7f0000001140)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000011c0)={&(0x7f0000001180)={0x38, 0x7, 0x6, 0x201, 0x0, 0x0, {0x5, 0x0, 0x4}, [@IPSET_ATTR_FLAGS={0x8}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}]}, 0x38}, 0x1, 0x0, 0x0, 0x880}, 0x20004040) close(r1) r4 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r4, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$VIDIOC_TRY_EXT_CTRLS(r4, 0xc0205649, &(0x7f00000000c0)={0xa10000, 0x4, 0x401, r2, 0x0, &(0x7f0000000040)={0xa10906, 0x5, [], @p_u32=&(0x7f0000000000)=0x3}}) openat$cgroup_ro(r5, &(0x7f0000000100)='cpuacct.usage_percpu\x00', 0x0, 0x0) [ 618.072343][ T4845] batman_adv: batadv0: Adding interface: vlan518 05:57:55 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5500, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:55 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x48, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 618.098357][ T4845] batman_adv: batadv0: The MTU of interface vlan518 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:55 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4), 0x0) [ 618.219058][ T4845] batman_adv: batadv0: Not using interface vlan518 (retrying later): interface not active [ 618.368974][ T4851] batman_adv: batadv0: Adding interface: vlan351 [ 618.395338][ T4851] batman_adv: batadv0: The MTU of interface vlan351 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:55 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4), 0x0) 05:57:55 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5501, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 618.531565][ T4851] batman_adv: batadv0: Not using interface vlan351 (retrying later): interface not active 05:57:55 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xffffff7f, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:55 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x4c}}, 0x20}}, 0x0) 05:57:55 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x49, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:55 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$KVM_ASSIGN_SET_MSIX_ENTRY(r1, 0x4010ae74, &(0x7f0000000000)={0xc313, 0x9, 0x3}) 05:57:55 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4), 0x0) 05:57:55 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4a, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:55 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5600, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:55 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x2}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xaba0}, 0x0, 0x4, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) arch_prctl$ARCH_SET_GS(0x1001, &(0x7f0000000000)) r1 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ubi_ctrl\x00', 0x101000, 0x0) r2 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000100)='/dev/uinput\x00', 0x802, 0x0) ioctl$UI_SET_RELBIT(r2, 0x40045566, 0x2) setsockopt$PNPIPE_ENCAP(r1, 0x113, 0x1, &(0x7f00000000c0), 0x4) [ 618.962532][ T4886] batman_adv: batadv0: Adding interface: vlan519 [ 619.016031][ T4886] batman_adv: batadv0: The MTU of interface vlan519 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:55 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x3) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:57:56 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4b, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:56 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r2) r3 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r3, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f0000001140)={0x8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f000095dffc)=0x24) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000000), &(0x7f0000000040)=0x20) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f0000000000)={0x0, 0xb0, &(0x7f00000001c0)=[@in6={0xa, 0x4e20, 0x1, @mcast2, 0x8}, @in6={0xa, 0x4e20, 0x2d6, @private2={0xfc, 0x2, [], 0x1}, 0x12a1}, @in={0x2, 0x4e20, @private=0xa010102}, @in={0x2, 0x4e22, @private=0xa010102}, @in6={0xa, 0x4e20, 0x5, @remote, 0x174}, @in={0x2, 0x4e20, @multicast1}, @in={0x2, 0x4e21, @broadcast}, @in6={0xa, 0x4e22, 0x8001, @dev={0xfe, 0x80, [], 0x28}, 0x8}]}, &(0x7f0000000040)=0x10) close(r0) r4 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r4, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$DRM_IOCTL_AGP_BIND(r4, 0x40106436, &(0x7f00000000c0)={0x0, 0x3}) 05:57:56 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5601, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 619.178995][ T4886] batman_adv: batadv0: Not using interface vlan519 (retrying later): interface not active [ 619.225455][ T4884] __nla_validate_parse: 7 callbacks suppressed [ 619.225467][ T4884] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 619.440608][ T4896] batman_adv: batadv0: Adding interface: vlan352 [ 619.454779][ T4896] batman_adv: batadv0: The MTU of interface vlan352 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 619.537679][ T4896] batman_adv: batadv0: Not using interface vlan352 (retrying later): interface not active [ 619.568658][ T4886] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:56 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xffffff9e, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:56 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5700, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:56 executing program 2 (fault-call:2 fault-nth:0): perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:56 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4c, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:56 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x60}}, 0x20}}, 0x0) 05:57:56 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 619.753206][ T4930] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:57:56 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5701, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 619.862522][ T4932] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:56 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4d, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 620.014166][ T4934] batman_adv: batadv0: Adding interface: vlan353 [ 620.034240][ T4934] batman_adv: batadv0: The MTU of interface vlan353 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:57 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5800, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:57 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xee, 0x3, 0x0, 0x0, 0x0, 0x1bb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x400, 0x3}, 0x0, 0x10001, 0x0, 0x9}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x200000, 0x0) connect$vsock_stream(r1, &(0x7f0000000040)={0x28, 0x0, 0xffffffff, @host}, 0x10) [ 620.150493][ T4934] batman_adv: batadv0: Not using interface vlan353 (retrying later): interface not active 05:57:57 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4e, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:57 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5801, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 620.253289][ T4935] batman_adv: batadv0: Adding interface: vlan520 [ 620.297520][ T4935] batman_adv: batadv0: The MTU of interface vlan520 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. [ 620.412113][ T4935] batman_adv: batadv0: Not using interface vlan520 (retrying later): interface not active 05:57:57 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xffffffc3, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:57 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5900, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 620.459841][ T4935] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:57 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = gettid() perf_event_open(&(0x7f00000000c0)={0x5, 0x70, 0x7, 0x4, 0xff, 0x9, 0x0, 0xf0, 0x4200, 0x9, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x7, 0x2, @perf_bp={&(0x7f0000000000), 0x4}, 0x10, 0x100000001, 0x1, 0x1, 0x2, 0x7}, r0, 0x2, 0xffffffffffffffff, 0xb) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r1) 05:57:57 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x68}}, 0x20}}, 0x0) 05:57:57 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x4f, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 620.648851][ T4978] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:57:57 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x29, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:57 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1f, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x2400, 0x1c66335f) close(r0) 05:57:57 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5901, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 620.843091][ T4983] batman_adv: batadv0: Adding interface: vlan354 05:57:57 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x50, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 620.873071][ T4983] batman_adv: batadv0: The MTU of interface vlan354 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:57 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x2, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 620.994953][ T4983] batman_adv: batadv0: Not using interface vlan354 (retrying later): interface not active 05:57:57 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000001280)=[{&(0x7f0000000140)=""/4081, 0xff1}, {&(0x7f0000001140)=""/19, 0x13}, {&(0x7f00000011c0)=""/162, 0xa2}], 0x3, 0x6, 0x0) ioctl$FIONCLEX(r1, 0x5450) ioctl$VIDIOC_CREATE_BUFS(r0, 0xc100565c, &(0x7f00000001c0)={0x6, 0x4904, 0x3, {0xa, @pix={0x7, 0x0, 0x3432564e, 0x6, 0x59f, 0x6211, 0x7, 0x101, 0x0, 0x6, 0x1, 0x4}}, 0x9}) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r2) r3 = open(&(0x7f0000000000)='./file0\x00', 0x40b400, 0x16) ioctl$SCSI_IOCTL_START_UNIT(r3, 0x5) lsetxattr$trusted_overlay_origin(&(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='trusted.overlay.origin\x00', &(0x7f0000000100)='y\x00', 0x2, 0x1) 05:57:57 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x51, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 621.071087][ T4984] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 621.211311][ T4987] batman_adv: batadv0: Adding interface: vlan521 [ 621.227085][ T4987] batman_adv: batadv0: The MTU of interface vlan521 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. [ 621.293425][ T4987] batman_adv: batadv0: Not using interface vlan521 (retrying later): interface not active 05:57:58 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xffffffe4, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:58 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5a00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:58 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x3, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 621.337404][ T4987] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:57:58 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x6c}}, 0x20}}, 0x0) 05:57:58 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$KVM_PPC_GET_PVINFO(r1, 0x4080aea1, &(0x7f0000000000)=""/40) 05:57:58 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x52, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 621.502632][ T5028] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:57:58 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x4, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:58 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5a01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:58 executing program 1: perf_event_open(&(0x7f00000012c0)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x1}, 0x0, 0xfd, 0x0, 0x0, 0x0, 0x80000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) getsockopt$PNPIPE_HANDLE(r0, 0x113, 0x3, &(0x7f0000001280), &(0x7f0000000100)=0x4) exit_group(0x4) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r2 = gettid() ptrace$setopts(0x4206, r2, 0x0, 0x0) tkill(r2, 0x3c) ptrace$cont(0x18, r2, 0x0, 0x0) ptrace$setregs(0xf, r2, 0x200000040002, &(0x7f0000001180)="891cbe80f091cb4712ddba8b9cbfce114032b1cdc861de498c91875526b9703f3ba402cdea76151f089852263a31775cbf450e3c515512c4ab97438c9610f890c0a7f8d71adb34c9c0c94352ad43717783e55ccbe4515622a3dd9b79817c5cec1317e6b2dde2fbe6eb0dddf3c03a6670f6f3ecc3f5a4a208c0d15bc98b8b4bc40003a01d3a28618cdd9604d86a1823724cc2dff8c335bbafaf18ddaa461d5f0d13c38d308f78da8bcb5928ba3e4131cc667239d19954b69286df855f28f9ef0fc23e9f0519e81c6d7d897a2a6e099a1f231c0000000000") ptrace$cont(0x20, r2, 0x0, 0x3) r3 = syz_open_procfs(r2, &(0x7f00000000c0)='net/route\x00') preadv(r3, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r4 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r4, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000001140)) close(r4) [ 621.695141][ T5035] batman_adv: batadv0: Adding interface: vlan355 05:57:58 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x53, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 621.742895][ T5035] batman_adv: batadv0: The MTU of interface vlan355 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 621.858495][ T5035] batman_adv: batadv0: Not using interface vlan355 (retrying later): interface not active 05:57:58 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x5, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:58 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040)='nl80211\x00') sendmsg$NL80211_CMD_SET_WIPHY(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="afdf23fc0000df01000020"], 0x24}}, 0x0) sendmsg$NL80211_CMD_SET_REG(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x1c, r2, 0x8, 0x70bd28, 0x25dfdbfb, {}, [@NL80211_ATTR_WIPHY={0x8, 0x1, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x200000d1}, 0x20000000) [ 621.904768][ T5036] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 622.095909][ T5042] batman_adv: batadv0: Adding interface: vlan522 [ 622.134927][ T5042] batman_adv: batadv0: The MTU of interface vlan522 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 622.261438][ T5042] batman_adv: batadv0: Not using interface vlan522 (retrying later): interface not active 05:57:59 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xfffffff0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:57:59 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5b00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:59 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x54, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:59 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x74}}, 0x20}}, 0x0) 05:57:59 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:57:59 executing program 1: r0 = gettid() ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x3c) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x20, r0, 0x0, 0x3) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x3, 0x0, 0x0, 0x0, 0x3622, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x280, 0x0, 0x0, 0x3, 0x2, 0x1}, r0, 0x0, r1, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r2) 05:57:59 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xe7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$KVM_GET_VCPU_EVENTS(r1, 0x8040ae9f, &(0x7f0000000000)) 05:57:59 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5b01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:59 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x55, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:57:59 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x7, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 622.758743][ T5086] batman_adv: batadv0: Adding interface: vlan356 [ 622.772166][ T5086] batman_adv: batadv0: The MTU of interface vlan356 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. [ 622.832018][ T5086] batman_adv: batadv0: Not using interface vlan356 (retrying later): interface not active 05:57:59 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x56, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 622.894947][ T5087] batman_adv: batadv0: Adding interface: vlan523 [ 622.910351][ T5087] batman_adv: batadv0: The MTU of interface vlan523 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:57:59 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x8, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 623.017044][ T5087] batman_adv: batadv0: Not using interface vlan523 (retrying later): interface not active 05:58:00 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xfffffffe, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:00 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5c00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:00 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x7a}}, 0x20}}, 0x0) 05:58:00 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x9, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:00 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x57, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:00 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5c01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 623.469459][ T5124] batman_adv: batadv0: Adding interface: vlan357 [ 623.490158][ T5124] batman_adv: batadv0: The MTU of interface vlan357 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. 05:58:00 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0xa, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:00 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x58, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 623.614836][ T5124] batman_adv: batadv0: Not using interface vlan357 (retrying later): interface not active 05:58:00 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5d00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 623.697575][ T5127] batman_adv: batadv0: Adding interface: vlan524 [ 623.722106][ T5127] batman_adv: batadv0: The MTU of interface vlan524 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. [ 623.792708][ T5127] batman_adv: batadv0: Not using interface vlan524 (retrying later): interface not active 05:58:00 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0xb, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:00 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0xffffffff, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:00 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x59, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:00 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xf0}}, 0x20}}, 0x0) 05:58:01 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5d01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:01 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0xc, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 624.173887][ T5167] batman_adv: batadv0: Adding interface: vlan358 [ 624.189298][ T5167] batman_adv: batadv0: The MTU of interface vlan358 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. 05:58:01 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5a, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 624.284557][ T5167] batman_adv: batadv0: Not using interface vlan358 (retrying later): interface not active [ 624.365795][ T5173] batman_adv: batadv0: Adding interface: vlan525 05:58:01 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5e00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 624.401847][ T5173] batman_adv: batadv0: The MTU of interface vlan525 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. 05:58:01 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0xd, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:01 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5b, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 624.514006][ T5173] batman_adv: batadv0: Not using interface vlan525 (retrying later): interface not active 05:58:01 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0xf, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 624.580971][ T5173] __nla_validate_parse: 9 callbacks suppressed [ 624.580982][ T5173] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:01 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5e01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:01 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x300}}, 0x20}}, 0x0) [ 624.774504][ T5200] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:01 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x10, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:01 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5c, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 624.938234][ T5208] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:01 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x10, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 625.091128][ T5214] batman_adv: batadv0: Adding interface: vlan526 05:58:02 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5f00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 625.117372][ T5214] batman_adv: batadv0: The MTU of interface vlan526 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:02 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x11, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 625.280552][ T5214] batman_adv: batadv0: Not using interface vlan526 (retrying later): interface not active 05:58:02 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5d, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 625.325469][ T5227] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:02 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5f01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 625.440945][ T5214] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 625.473753][ T5230] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:02 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x12, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:02 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x500}}, 0x20}}, 0x0) 05:58:02 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0xc0, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 625.717976][ T5253] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:02 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6000, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:02 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5e, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 625.852641][ T5254] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:02 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x13, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 626.043609][ T5255] batman_adv: batadv0: Adding interface: vlan527 [ 626.090952][ T5255] batman_adv: batadv0: The MTU of interface vlan527 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:03 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6001, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 626.237149][ T5255] batman_adv: batadv0: Not using interface vlan527 (retrying later): interface not active 05:58:03 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x5f, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:03 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x14, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 626.303122][ T5256] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 626.332903][ T5255] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:03 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x11f, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:03 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x600}}, 0x20}}, 0x0) 05:58:03 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6100, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:03 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x15, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:03 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x60, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:03 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0xec0, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 626.855970][ T5300] batman_adv: batadv0: Adding interface: vlan528 05:58:03 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6101, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 626.889344][ T5300] batman_adv: batadv0: The MTU of interface vlan528 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:03 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x16, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 626.978693][ T5300] batman_adv: batadv0: Not using interface vlan528 (retrying later): interface not active 05:58:03 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x61, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:04 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x700}}, 0x20}}, 0x0) 05:58:04 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6200, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:04 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x33fe0, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:04 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x17, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:04 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x62, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 627.500337][ T5340] batman_adv: batadv0: Adding interface: vlan529 [ 627.521727][ T5340] batman_adv: batadv0: The MTU of interface vlan529 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. 05:58:04 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6201, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:04 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x18, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 627.618400][ T5340] batman_adv: batadv0: Not using interface vlan529 (retrying later): interface not active 05:58:04 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x63, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:04 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x900}}, 0x20}}, 0x0) 05:58:04 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x2000064c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:04 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x19, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:05 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6300, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 628.159717][ T5377] batman_adv: batadv0: Adding interface: vlan530 05:58:05 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x64, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 628.191856][ T5377] batman_adv: batadv0: The MTU of interface vlan530 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. 05:58:05 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x1e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:05 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6301, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 628.343082][ T5377] batman_adv: batadv0: Not using interface vlan530 (retrying later): interface not active 05:58:05 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x948}}, 0x20}}, 0x0) 05:58:05 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x7ffff000, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:05 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x65, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:05 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x21, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:05 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6400, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:05 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x66, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:05 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x22, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 628.913507][ T5412] batman_adv: batadv0: Adding interface: vlan531 [ 628.961400][ T5412] batman_adv: batadv0: The MTU of interface vlan531 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. [ 629.081993][ T5412] batman_adv: batadv0: Not using interface vlan531 (retrying later): interface not active 05:58:06 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x949}}, 0x20}}, 0x0) 05:58:06 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x2, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:06 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6401, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:06 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x23, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:06 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x67, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 629.374758][ T5449] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2 sclass=netlink_route_socket pid=5449 comm=syz-executor.0 [ 629.430007][ T5449] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2 sclass=netlink_route_socket pid=5449 comm=syz-executor.0 05:58:06 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x3, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 629.542697][ T5450] batman_adv: batadv0: Adding interface: vlan532 05:58:06 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6500, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:06 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x24, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 629.578585][ T5450] batman_adv: batadv0: The MTU of interface vlan532 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. 05:58:06 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x68, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 629.709618][ T5470] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=3 sclass=netlink_route_socket pid=5470 comm=syz-executor.0 [ 629.709665][ T5450] batman_adv: batadv0: Not using interface vlan532 (retrying later): interface not active [ 629.823208][ T5452] batman_adv: batadv0: Interface activated: vlan532 [ 629.874609][ T5466] __nla_validate_parse: 18 callbacks suppressed [ 629.874622][ T5466] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:06 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x25, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:06 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6501, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 630.059798][ T5450] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 630.086344][ T5470] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 630.099880][ T5484] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=3 sclass=netlink_route_socket pid=5484 comm=syz-executor.0 05:58:07 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x69, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:07 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xa00}}, 0x20}}, 0x0) 05:58:07 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x4, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:07 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x64, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:07 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6600, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 630.295724][ T5493] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 630.407586][ T5504] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=4 sclass=netlink_route_socket pid=5504 comm=syz-executor.0 05:58:07 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6a, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:07 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x65, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 630.536165][ T5497] batman_adv: batadv0: Adding interface: vlan533 [ 630.576358][ T5497] batman_adv: batadv0: The MTU of interface vlan533 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:07 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6601, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 630.674803][ T5497] batman_adv: batadv0: Not using interface vlan533 (retrying later): interface not active [ 630.719525][ T5496] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:07 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6b, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:07 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6b, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 630.848280][ T5497] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 630.864474][ T5525] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=4 sclass=netlink_route_socket pid=5525 comm=syz-executor.0 05:58:07 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6700, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:07 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xc00}}, 0x20}}, 0x0) 05:58:07 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x5, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 631.110466][ T5536] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:08 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6c, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 631.250064][ T5547] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5 sclass=netlink_route_socket pid=5547 comm=syz-executor.0 [ 631.266572][ T5538] batman_adv: batadv0: Adding interface: vlan534 [ 631.294399][ T5538] batman_adv: batadv0: The MTU of interface vlan534 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:08 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6701, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 631.370591][ T5538] batman_adv: batadv0: Not using interface vlan534 (retrying later): interface not active [ 631.395155][ T5539] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:08 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6d, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 631.505983][ T5538] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 631.523685][ T5547] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5 sclass=netlink_route_socket pid=5547 comm=syz-executor.0 05:58:08 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xe00}}, 0x20}}, 0x0) 05:58:08 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x6, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:08 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6800, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:08 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x3}, 0x0, 0x0, 0x7fff, 0x0, 0x4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') r2 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r2, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$SNDRV_PCM_IOCTL_HW_PARAMS_OLD(r2, 0xc1004111, &(0x7f0000001300)={0x7f, [0x8, 0x7, 0x1], [{0xdb, 0xbd5, 0x0, 0x1}, {0x3, 0xfffffc01, 0x0, 0x0, 0x1, 0x1}, {0x6, 0x243, 0x0, 0x1}, {0x3, 0x9, 0x0, 0x0, 0x0, 0x1}, {0x5, 0xffff, 0x0, 0x1}, {0x3f, 0x8, 0x0, 0x0, 0x1}, {0x7fffffff, 0x7, 0x0, 0x1, 0x1, 0x1}, {0x2, 0x0, 0x1}, {0xbb5, 0x1}, {0x7fff, 0x3, 0x0, 0x1, 0x1, 0x1}, {0x0, 0x101, 0x1, 0x0, 0x1, 0x1}, {0x5, 0x6, 0x0, 0x0, 0x0, 0x1}]}) preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) sendmsg$nl_crypto(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000040)={&(0x7f0000001140)=@upd={0xe0, 0x12, 0x400, 0x70bd28, 0x25dfdbfb, {{'blake2s-256-generic\x00'}, [], [], 0x2000}}, 0xe0}, 0x1, 0x0, 0x0, 0x4000090}, 0x50) close(r0) r3 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r3, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(0xffffffffffffffff, 0xc01064b5, &(0x7f0000001240)={&(0x7f0000000100)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x6}) ioctl$DRM_IOCTL_MODE_GETPLANE(r3, 0xc02064b6, &(0x7f00000012c0)={r4, 0x0, 0x0, 0x0, 0x0, 0x9, &(0x7f0000001280)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) [ 631.734812][ T5563] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 631.842495][ T5576] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=6 sclass=netlink_route_socket pid=5576 comm=syz-executor.0 05:58:08 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x71, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:08 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6e, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 631.974238][ T5587] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=6 sclass=netlink_route_socket pid=5587 comm=syz-executor.0 [ 632.000269][ T5566] batman_adv: batadv0: Adding interface: vlan535 05:58:08 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, @perf_bp={0x0}, 0x11004}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = gettid() ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x3c) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x20, r0, 0x0, 0x3) r1 = getpgid(r0) setpriority(0x1, r1, 0x4) socketpair(0x3, 0x5, 0xffffffbf, &(0x7f0000000080)={0x0, 0x0}) close(r2) [ 632.031040][ T5566] batman_adv: batadv0: The MTU of interface vlan535 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:08 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6801, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:09 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x7, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 632.115899][ T5566] batman_adv: batadv0: Not using interface vlan535 (retrying later): interface not active 05:58:09 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x72, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:09 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xf00}}, 0x20}}, 0x0) 05:58:09 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r1 = gettid() ptrace$setopts(0x4206, r1, 0x0, 0x0) tkill(r1, 0x3c) ptrace$cont(0x18, r1, 0x0, 0x0) ptrace$setregs(0xd, r1, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r1, 0x0, 0x3) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0xfe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x4022, 0x0, 0x0, 0x4}, r1, 0x8, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r2) 05:58:09 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6f, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:09 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6900, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:09 executing program 1: r0 = open(&(0x7f00000000c0)='./file0\x00', 0x400, 0x49) ioctl$SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE(r0, 0xc0045520, &(0x7f0000000100)=0xfffffc01) r1 = perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES(r1, 0x4008240b, &(0x7f0000000000)={0x0, 0x70, 0x8, 0x2d, 0x7, 0x7f, 0x0, 0x1, 0x2, 0xf, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x3, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x70b, 0x0, @perf_config_ext={0x3ff, 0x8}, 0x44808, 0x7f, 0x200, 0xf63a41365a2ef91c, 0x8, 0x9, 0x100}) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r2) 05:58:09 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x8, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 632.539422][ T5618] batman_adv: batadv0: Adding interface: vlan536 05:58:09 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x75, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 632.578817][ T5618] batman_adv: batadv0: The MTU of interface vlan536 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:09 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x70, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 632.697512][ T5618] batman_adv: batadv0: Not using interface vlan536 (retrying later): interface not active 05:58:09 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x2000}}, 0x20}}, 0x0) 05:58:09 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6901, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:09 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x9, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:09 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x76, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:09 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO(r1, 0xc02c5341, &(0x7f0000000000)) 05:58:09 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x71, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:09 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6a00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 633.153504][ T5650] batman_adv: batadv0: Adding interface: vlan537 [ 633.189713][ T5650] batman_adv: batadv0: The MTU of interface vlan537 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. 05:58:10 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0xa, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:10 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) socketpair(0x1, 0x5, 0x9, &(0x7f0000000000)) close(r0) 05:58:10 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x77, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 633.311452][ T5650] batman_adv: batadv0: Not using interface vlan537 (retrying later): interface not active 05:58:10 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x72, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:10 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6a01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:10 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x3f00}}, 0x20}}, 0x0) 05:58:10 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0xb, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:10 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) sendto$inet(r1, &(0x7f00000001c0)="9d03402b459e5ea338e7dbe15820984d47abf72f3a1636fd9a4495c7a27205a414658ff64ff88ca7e78364eea50f0eadfb805534874306ba4fd774ca18bc5217297293689d1fd51cdf095196c4758b0db00d0863856e312824b74337b420fd27740efae386065048588e4ce6a734238efa8628b343e7c9bd0fd773ca4ae6347a48ec216ee830", 0x86, 0x2004a001, 0x0, 0x0) 05:58:10 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6b00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:10 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x78, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 633.712904][ T5698] batman_adv: batadv0: Adding interface: vlan538 05:58:10 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x73, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 633.743884][ T5698] batman_adv: batadv0: The MTU of interface vlan538 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. 05:58:10 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(0xffffffffffffffff, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) sendmsg$NL80211_CMD_DEL_STATION(r1, &(0x7f00000011c0)={&(0x7f0000000100), 0xc, &(0x7f0000001180)={&(0x7f0000001240)=ANY=[@ANYBLOB="20000104000000000000d3f2f5de7c613806a39bfa28ec1abc", @ANYRES16=0x0, @ANYBLOB="000225bd7000fedbdf25140000100a00bd003f000200ff000000"], 0x20}, 0x1, 0x0, 0x0, 0x48000}, 0x20040000) preadv(r0, &(0x7f0000002280)=[{&(0x7f0000000000)=""/44, 0x2c}, {&(0x7f0000001240)}, {&(0x7f0000001280)=""/4096, 0x1000}], 0x3, 0x8, 0x0) fcntl$getownex(r0, 0x10, &(0x7f0000001200)={0x0, 0x0}) r3 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r3, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$sock_netrom_SIOCADDRT(r3, 0x890b, &(0x7f00000022c0)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0='bpq0\x00', 0x3, 'syz0\x00', @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, 0x3, 0x4, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @default, @bcast, @default, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @null]}) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3, 0x0, 0xff, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, @perf_bp={0x0, 0xd}, 0x0, 0x0, 0x0, 0x0, 0x3, 0x55b2}, r2, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r4) [ 633.901099][ T5698] batman_adv: batadv0: Not using interface vlan538 (retrying later): interface not active 05:58:10 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6b01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:10 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x4000}}, 0x20}}, 0x0) 05:58:10 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x79, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:10 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x74, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:11 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0xc, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:11 executing program 1: r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x3cfc80, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000440)='l2tp\x00') sendmsg$L2TP_CMD_SESSION_GET(r1, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000040)={0x28, r2, 0x1, 0x0, 0x0, {0x6}, [@L2TP_ATTR_IFNAME={0x14}]}, 0x28}}, 0x0) sendmsg$L2TP_CMD_TUNNEL_MODIFY(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="020027bd7000fcdbdf2503000000060083a27994bbeac1c20e000100000005000500010000000500140001000000"], 0x3c}}, 0x631d56f0987a3755) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r4 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r4, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) sendmsg$IPCTNL_MSG_CT_GET_STATS_CPU(r4, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x14, 0x4, 0x1, 0x401, 0x0, 0x0, {0xe, 0x0, 0x3}, ["", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x20008004}, 0x40000) close(r3) 05:58:11 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6c00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 634.339305][ T5739] batman_adv: batadv0: Adding interface: vlan539 05:58:11 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x7b, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 634.364496][ T5739] batman_adv: batadv0: The MTU of interface vlan539 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. [ 634.491107][ T5739] batman_adv: batadv0: Not using interface vlan539 (retrying later): interface not active 05:58:11 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x75, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:11 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x7c, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:11 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6c01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:11 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r2 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000040)='TIPCv2\x00') sendmsg$TIPC_NL_MEDIA_SET(r1, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0xbc, r2, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@TIPC_NLA_MEDIA={0x4c, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_PROP={0xc, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_MTU={0x8, 0x4, 0x1b}]}, @TIPC_NLA_MEDIA_PROP={0x34, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x4}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x9}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0xa}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x9}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x3}, @TIPC_NLA_PROP_TOL={0x8}]}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}]}, @TIPC_NLA_MON={0xc, 0x9, 0x0, 0x1, [@TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x20}]}, @TIPC_NLA_NODE={0x50, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_UP={0x4}, @TIPC_NLA_NODE_UP={0x4}, @TIPC_NLA_NODE_KEY={0x41, 0x4, {'gcm(aes)\x00', 0x19, "0ff94477b645b2446c210ce97f47983555e2cba90e93936bc8"}}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x2400c045}, 0x1) close(r0) [ 634.654031][ T5750] selinux_netlink_send: 11 callbacks suppressed [ 634.654046][ T5750] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=12 sclass=netlink_route_socket pid=5750 comm=syz-executor.0 05:58:11 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x4800}}, 0x20}}, 0x0) 05:58:11 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0xd, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 634.888897][ T5778] __nla_validate_parse: 20 callbacks suppressed [ 634.888908][ T5778] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:11 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x7d, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:11 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$EVIOCGLED(r1, 0x80404519, &(0x7f0000000040)=""/27) openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-monitor\x00', 0x80, 0x0) 05:58:11 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x76, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:11 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6d00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 635.062267][ T5791] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=13 sclass=netlink_route_socket pid=5791 comm=syz-executor.0 05:58:12 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6d01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:12 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x82, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 635.160695][ T5780] batman_adv: batadv0: Adding interface: vlan540 [ 635.184478][ T5780] batman_adv: batadv0: The MTU of interface vlan540 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:12 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x77, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 635.278678][ T5780] batman_adv: batadv0: Not using interface vlan540 (retrying later): interface not active [ 635.295517][ T5783] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:12 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f0000000000), &(0x7f0000000040)=0x4) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r1) [ 635.340442][ T5780] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 635.358703][ T5814] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=13 sclass=netlink_route_socket pid=5814 comm=syz-executor.0 05:58:12 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x4809}}, 0x20}}, 0x0) 05:58:12 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6e00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:12 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0xe, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:12 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x83, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 635.521292][ T5820] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:12 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r1 = openat$cgroup_ro(r0, &(0x7f0000000000)='hugetlb.2MB.limit_in_bytes\x00', 0x0, 0x0) ioctl$MON_IOCT_RING_SIZE(r1, 0x9204, 0x3348d) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r2) 05:58:12 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x78, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:12 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6e01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 635.673508][ T5836] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=14 sclass=netlink_route_socket pid=5836 comm=syz-executor.0 [ 635.705960][ T5826] batman_adv: batadv0: Adding interface: vlan541 [ 635.749418][ T5826] batman_adv: batadv0: The MTU of interface vlan541 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. 05:58:12 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x3, 0x0, @dev}], 0x10) [ 635.844320][ T5826] batman_adv: batadv0: Not using interface vlan541 (retrying later): interface not active [ 635.894236][ T5828] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:12 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0xc9, 0x0, 0x0, 0x0, 0xa4, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x6, 0x3}, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffe}, 0x0, 0xa, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) getpeername$qrtr(r1, &(0x7f0000000100), &(0x7f0000001140)=0xc) close(r0) r2 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r2, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) fallocate(0xffffffffffffffff, 0x40, 0x0, 0x401) ioctl$TIOCGLCKTRMIOS(r2, 0x5456, &(0x7f0000000000)={0x9, 0x3000000, 0x8, 0x0, 0xf, "fb6decfe3b4fece8eaaa31633ded3daf62ee0a"}) 05:58:12 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6f00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 635.996024][ T5831] batman_adv: batadv0: Interface activated: vlan541 05:58:12 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x79, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 636.040074][ T5836] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 636.058080][ T5855] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=14 sclass=netlink_route_socket pid=5855 comm=syz-executor.0 [ 636.077880][ T5826] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:13 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0xf, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:13 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x4909}}, 0x20}}, 0x0) 05:58:13 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x4, 0x0, @dev}], 0x10) 05:58:13 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r1) r2 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r1, 0x84, 0xa, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r3}, &(0x7f0000000040)=0x20) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000000)={r3, 0x8, 0x30}, &(0x7f0000000040)=0xc) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r4) [ 636.280217][ T5866] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:13 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x6f01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 636.340214][ T5871] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=15 sclass=netlink_route_socket pid=5871 comm=syz-executor.0 05:58:13 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7a, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 636.420779][ T5872] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 636.448979][ T5871] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=15 sclass=netlink_route_socket pid=5871 comm=syz-executor.0 05:58:13 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x7, 0x0, @dev}], 0x10) 05:58:13 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x11, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 636.584549][ T5880] batman_adv: batadv0: Adding interface: vlan542 [ 636.606671][ T5880] batman_adv: batadv0: The MTU of interface vlan542 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. 05:58:13 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x8, 0x0, @dev}], 0x10) [ 636.666458][ T5880] batman_adv: batadv0: Not using interface vlan542 (retrying later): interface not active [ 636.704393][ T5884] batman_adv: batadv0: Interface activated: vlan542 05:58:13 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7000, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 636.723830][ T5899] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:13 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7b, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:13 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x4c00}}, 0x20}}, 0x0) 05:58:13 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x12, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:13 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0xa, 0x0, @dev}], 0x10) 05:58:13 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7c, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 637.253287][ T5923] batman_adv: batadv0: Adding interface: vlan543 [ 637.261458][ T5923] batman_adv: batadv0: The MTU of interface vlan543 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:14 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x4, 0x8}}, 0x0, 0x0, r0, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r1) 05:58:14 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7001, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:14 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0xb, 0x0, @dev}], 0x10) 05:58:14 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7d, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 637.309819][ T5923] batman_adv: batadv0: Not using interface vlan543 (retrying later): interface not active 05:58:14 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x14, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:14 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x5865}}, 0x20}}, 0x0) 05:58:14 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x10, 0x0, @dev}], 0x10) 05:58:14 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7100, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:14 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7e, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:14 executing program 1: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000040)='./file0\x00', 0x9, 0x2, &(0x7f0000000100)=[{&(0x7f00000000c0)='%O', 0x2, 0x2}, {&(0x7f00000001c0)="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", 0x1000}], 0x20030, &(0x7f00000011c0)={[{@degraded='degraded'}, {@treelog='treelog'}, {@device={'device', 0x3d, './file0'}}, {@nossd_spread='nossd_spread'}, {@degraded='degraded'}, {@treelog='treelog'}], [{@permit_directio='permit_directio'}, {@smackfstransmute={'smackfstransmute', 0x3d, ']\''}}, {@seclabel='seclabel'}]}) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:58:14 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x82, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 637.791175][ T5968] batman_adv: batadv0: Adding interface: vlan544 [ 637.828301][ T5968] batman_adv: batadv0: The MTU of interface vlan544 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:14 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x14, 0x0, @dev}], 0x10) 05:58:14 executing program 1: perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0xea, 0x0, 0x8, 0x40, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_bp={0x0}}, 0x0, 0x8, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:58:14 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x83, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 637.954277][ T5968] batman_adv: batadv0: Not using interface vlan544 (retrying later): interface not active 05:58:14 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7101, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 638.040328][ T5972] batman_adv: batadv0: Interface activated: vlan544 05:58:15 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$SIOCPNENABLEPIPE(r0, 0x89ed, 0x0) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r1) 05:58:15 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x25, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:15 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x6000}}, 0x20}}, 0x0) 05:58:15 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:58:15 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x84, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:15 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x2f, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:15 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) getsockopt$IP_VS_SO_GET_DAEMON(r0, 0x0, 0x487, &(0x7f0000000000), &(0x7f0000000040)=0x30) close(r0) 05:58:15 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7200, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 638.464271][ T6015] batman_adv: batadv0: Adding interface: vlan545 [ 638.501680][ T6015] batman_adv: batadv0: The MTU of interface vlan545 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. [ 638.552734][ T6029] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=47 sclass=netlink_route_socket pid=6029 comm=syz-executor.0 [ 638.576550][ T6015] batman_adv: batadv0: Not using interface vlan545 (retrying later): interface not active 05:58:15 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7201, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:15 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x3, 0x3f}, 0x0, 0x800}, 0x0, 0x800000b, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r2) r3 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r3, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) r5 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r5, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$VIDIOC_TRY_EXT_CTRLS(r1, 0xc0205649, &(0x7f0000001300)={0xf000000, 0xada, 0x4, r0, 0x0, &(0x7f0000001200)={0x9b0954, 0xb5a, [], @value64=0x1f}}) getsockopt$inet_dccp_buf(r6, 0x21, 0xd, &(0x7f0000001280)=""/49, &(0x7f00000012c0)=0x31) ioctl$SIOCX25GCALLUSERDATA(r1, 0x89e4, &(0x7f0000001140)={0x3c, "450850b1f4b41cfc0285d2fe258cb3373aca5a7f0bbfb0ab7b7ab2beda16cebbd953685f208ca8962c6a1f9c174bd7826af790658e1b126b19dbdcd11c33c56b304b84b4054f406c30ea39b16197bffda12a788ecb2b0019a2bded1ffb7298f50d065bffbc6e3d0e553b4a5af29cd4f89dd07c9c000f9b7585da2430de51ff6a"}) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r4}, &(0x7f0000000040)=0x20) getsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000000)=@assoc_value={r4, 0xff}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp_SCTP_AUTH_KEY(r0, 0x84, 0x17, &(0x7f00000000c0)={r7, 0x1, 0x40, "5b240144f62301de585435ab65c7f0a7dd616e0489ab898b0953cb193a59782ade18859f0552fd080b4b7d9ae750172bccabac87fccf4d4d19e26e68a1b25cb4"}, 0x48) 05:58:15 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x85, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:15 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x6558}}, 0x20}}, 0x0) [ 638.732560][ T6024] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=47 sclass=netlink_route_socket pid=6024 comm=syz-executor.0 05:58:15 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x45, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:15 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7300, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 639.022483][ T6047] batman_adv: batadv0: Adding interface: vlan546 05:58:15 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x86, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 639.067730][ T6047] batman_adv: batadv0: The MTU of interface vlan546 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 639.071227][ T6060] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=69 sclass=netlink_route_socket pid=6060 comm=syz-executor.0 [ 639.174529][ T6047] batman_adv: batadv0: Not using interface vlan546 (retrying later): interface not active 05:58:16 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x2, @dev}], 0x10) 05:58:16 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x87, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:16 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7301, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:16 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x63, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:16 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x6800}}, 0x20}}, 0x0) 05:58:16 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x88, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:16 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$sock_SIOCSIFVLAN_GET_VLAN_REALDEV_NAME_CMD(r1, 0x8983, &(0x7f0000000000)={0x8, 'gretap0\x00', {'syz_tun\x00'}, 0x2}) close(r0) 05:58:16 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7400, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:16 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x73, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 639.713430][ T6088] batman_adv: batadv0: Adding interface: vlan547 [ 639.755289][ T6088] batman_adv: batadv0: The MTU of interface vlan547 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 639.816465][ T6107] selinux_netlink_send: 3 callbacks suppressed [ 639.816483][ T6107] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=115 sclass=netlink_route_socket pid=6107 comm=syz-executor.0 05:58:16 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7401, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:16 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r1 = accept4$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, @none}, &(0x7f0000000040)=0xe, 0x0) accept4$bt_l2cap(r1, &(0x7f00000000c0), &(0x7f0000000100)=0xe, 0x800) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r2) [ 639.882711][ T6088] batman_adv: batadv0: Not using interface vlan547 (retrying later): interface not active 05:58:16 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x89, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 639.931707][ T6104] __nla_validate_parse: 20 callbacks suppressed [ 639.931717][ T6104] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 640.049065][ T6088] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 640.065636][ T6121] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=115 sclass=netlink_route_socket pid=6121 comm=syz-executor.0 05:58:17 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x3, @dev}], 0x10) 05:58:17 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x6c00}}, 0x20}}, 0x0) 05:58:17 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x11f, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:17 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8a, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:17 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7500, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 640.486440][ T6131] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 640.539776][ T6136] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=287 sclass=netlink_route_socket pid=6136 comm=syz-executor.0 05:58:17 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8b, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 640.634896][ T6132] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:17 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7501, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 640.770834][ T6152] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=287 sclass=netlink_route_socket pid=6152 comm=syz-executor.0 [ 640.816861][ T6137] batman_adv: batadv0: Adding interface: vlan548 [ 640.858356][ T6137] batman_adv: batadv0: The MTU of interface vlan548 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:17 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8c, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 640.963470][ T6137] batman_adv: batadv0: Not using interface vlan548 (retrying later): interface not active 05:58:17 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7600, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 641.018616][ T6136] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 641.054999][ T6137] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:18 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x7b6, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:18 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x7400}}, 0x20}}, 0x0) [ 641.305945][ T6167] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 641.362711][ T6171] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1974 sclass=netlink_route_socket pid=6171 comm=syz-executor.0 05:58:18 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8d, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 641.417862][ T6169] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 641.468449][ T6171] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1974 sclass=netlink_route_socket pid=6171 comm=syz-executor.0 05:58:18 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x4, @dev}], 0x10) 05:58:18 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7601, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:18 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x7c5, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 641.593017][ T6173] batman_adv: batadv0: Adding interface: vlan549 [ 641.622619][ T6173] batman_adv: batadv0: The MTU of interface vlan549 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. [ 641.772507][ T6173] batman_adv: batadv0: Not using interface vlan549 (retrying later): interface not active [ 641.793416][ T6195] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1989 sclass=netlink_route_socket pid=6195 comm=syz-executor.0 05:58:18 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8e, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 641.830954][ T6192] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:18 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7700, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 641.985060][ T6173] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 642.010915][ T6195] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1989 sclass=netlink_route_socket pid=6195 comm=syz-executor.0 05:58:19 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x7a00}}, 0x20}}, 0x0) 05:58:19 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x402, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:19 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8f, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:19 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7701, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:19 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x403, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 642.513380][ T6218] batman_adv: batadv0: Adding interface: vlan550 [ 642.556450][ T6218] batman_adv: batadv0: The MTU of interface vlan550 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:19 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x90, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:19 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x6, @dev}], 0x10) [ 642.709310][ T6218] batman_adv: batadv0: Not using interface vlan550 (retrying later): interface not active 05:58:19 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7800, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 642.895215][ T6237] batman_adv: batadv0: Adding interface: vlan359 [ 642.934073][ T6237] batman_adv: batadv0: The MTU of interface vlan359 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:19 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x91, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 643.066957][ T6237] batman_adv: batadv0: Not using interface vlan359 (retrying later): interface not active 05:58:20 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7801, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:20 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x8100}}, 0x20}}, 0x0) 05:58:20 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x404, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:20 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x92, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:20 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7900, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 643.599896][ T6264] batman_adv: batadv0: Adding interface: vlan551 05:58:20 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x405, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 643.646858][ T6264] batman_adv: batadv0: The MTU of interface vlan551 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. [ 643.797896][ T6264] batman_adv: batadv0: Not using interface vlan551 (retrying later): interface not active 05:58:20 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7901, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:20 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x93, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:20 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x7, @dev}], 0x10) [ 644.018187][ T6288] batman_adv: batadv0: Adding interface: vlan360 [ 644.058080][ T6288] batman_adv: batadv0: The MTU of interface vlan360 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. 05:58:21 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7a00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 644.173977][ T6288] batman_adv: batadv0: Not using interface vlan360 (retrying later): interface not active 05:58:21 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x94, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:21 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xf000}}, 0x20}}, 0x0) 05:58:21 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x406, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:21 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7a01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:21 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x95, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:21 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x407, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 644.719969][ T6314] batman_adv: batadv0: Adding interface: vlan552 [ 644.759179][ T6314] batman_adv: batadv0: The MTU of interface vlan552 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:21 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7b00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 644.873245][ T6314] batman_adv: batadv0: Not using interface vlan552 (retrying later): interface not active 05:58:21 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x8, @dev}], 0x10) [ 644.993458][ T6314] __nla_validate_parse: 12 callbacks suppressed [ 644.993470][ T6314] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:21 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x96, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 645.093853][ T6341] batman_adv: batadv0: Adding interface: vlan361 05:58:22 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7b01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 645.130679][ T6341] batman_adv: batadv0: The MTU of interface vlan361 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. [ 645.253855][ T6341] batman_adv: batadv0: Not using interface vlan361 (retrying later): interface not active 05:58:22 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x33e58}}, 0x20}}, 0x0) 05:58:22 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x408, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:22 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7c00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:22 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x97, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 645.552806][ T6360] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 645.679550][ T6361] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:22 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7c01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:22 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x98, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 645.845458][ T6363] batman_adv: batadv0: Adding interface: vlan553 [ 645.889347][ T6363] batman_adv: batadv0: The MTU of interface vlan553 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. [ 645.996428][ T6363] batman_adv: batadv0: Not using interface vlan553 (retrying later): interface not active 05:58:23 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0xa, @dev}], 0x10) [ 646.054162][ T6368] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 646.087022][ T6363] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:23 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7d00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:23 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x409, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:23 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x99, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:23 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xf0ffff}}, 0x20}}, 0x0) [ 646.274592][ T6393] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:23 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7d01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 646.432681][ T6398] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:23 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9a, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 646.565036][ T6399] batman_adv: batadv0: Adding interface: vlan362 [ 646.601714][ T6399] batman_adv: batadv0: The MTU of interface vlan362 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. [ 646.686925][ T6399] batman_adv: batadv0: Not using interface vlan362 (retrying later): interface not active 05:58:23 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7e00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 646.795051][ T6403] batman_adv: batadv0: Adding interface: vlan554 05:58:23 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9b, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 646.821006][ T6403] batman_adv: batadv0: The MTU of interface vlan554 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. [ 646.924988][ T6403] batman_adv: batadv0: Not using interface vlan554 (retrying later): interface not active [ 646.971018][ T6406] batman_adv: batadv0: Interface activated: vlan554 05:58:23 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7e01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 647.020226][ T6403] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:23 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x40a, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:23 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9c, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:24 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0xe, @dev}], 0x10) 05:58:24 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x1000000}}, 0x20}}, 0x0) [ 647.215087][ T6435] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:24 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7f00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 647.340085][ T6442] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:24 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9d, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:24 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x40b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 647.541409][ T6447] batman_adv: batadv0: Adding interface: vlan555 [ 647.554815][ T6447] batman_adv: batadv0: The MTU of interface vlan555 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:24 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x7f01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 647.625406][ T6447] batman_adv: batadv0: Not using interface vlan555 (retrying later): interface not active 05:58:24 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x2000000}}, 0x20}}, 0x0) 05:58:24 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9e, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 647.824515][ T6473] batman_adv: batadv0: Adding interface: vlan363 05:58:24 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8100, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 647.865115][ T6473] batman_adv: batadv0: The MTU of interface vlan363 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:24 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8101, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 648.012433][ T6473] batman_adv: batadv0: Not using interface vlan363 (retrying later): interface not active 05:58:25 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8200, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:25 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9f, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 648.218641][ T6481] batman_adv: batadv0: Adding interface: vlan556 [ 648.268277][ T6481] batman_adv: batadv0: The MTU of interface vlan556 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. 05:58:25 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x60, @dev}], 0x10) 05:58:25 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_SG_ALLOC(0xffffffffffffffff, 0xc0106438, &(0x7f0000000000)) openat$nvram(0xffffffffffffff9c, &(0x7f0000001140)='/dev/nvram\x00', 0x41000, 0x0) socketpair(0x2f, 0x800, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) sendmsg$NFNL_MSG_ACCT_NEW(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2c00000000070000000000000000000000010c00024000002200000000090900010073797a3100000000"], 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x10) openat$ppp(0xffffffffffffff9c, &(0x7f0000001180)='/dev/ppp\x00', 0x4000, 0x0) 05:58:25 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8201, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 648.417856][ T6481] batman_adv: batadv0: Not using interface vlan556 (retrying later): interface not active 05:58:25 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x40f, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:25 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x3000000}}, 0x20}}, 0x0) 05:58:25 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r2 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r2, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(r2, 0x89f0, &(0x7f00000014c0)={'erspan0\x00', &(0x7f0000001440)={'gre0\x00', 0x0, 0x40, 0x7, 0x9, 0x6, {{0xd, 0x4, 0x3, 0x3c, 0x34, 0x64, 0x0, 0x7, 0x0, 0x0, @multicast1, @loopback, {[@timestamp={0x44, 0x14, 0x5b, 0x0, 0x3, [0x4, 0xfff, 0x8001, 0x3ff]}, @lsrr={0x83, 0xb, 0x5, [@remote, @remote]}, @end]}}}}}) connect$packet(r1, &(0x7f0000001500)={0x11, 0xf5, r3, 0x1, 0x3f, 0x6, @multicast}, 0x14) close(r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCADDRT(r4, 0x890b, &(0x7f00000000c0)={0x0, @llc={0x1a, 0x108, 0x4, 0x7c, 0xac, 0x3, @dev={[], 0x36}}, @ax25={0x3, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, 0x6}, @ethernet={0x6, @remote}, 0xa51, 0x0, 0x0, 0x0, 0xffff, &(0x7f0000000040)='lo\x00', 0x5, 0x0, 0x7}) 05:58:25 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa0, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:25 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8300, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:25 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendmsg$IPSET_CMD_FLUSH(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x28, 0x4, 0x6, 0x101, 0x0, 0x0, {0xc, 0x0, 0x6}, [@IPSET_ATTR_SETNAME={0x9, 0x2, 'syz0\x00'}, @IPSET_ATTR_PROTOCOL={0x5}]}, 0x28}, 0x1, 0x0, 0x0, 0x4}, 0x20000040) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:58:25 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa1, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 648.883115][ T6521] batman_adv: batadv0: Adding interface: vlan364 05:58:25 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8301, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 648.924063][ T6521] batman_adv: batadv0: The MTU of interface vlan364 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. 05:58:25 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) copy_file_range(0xffffffffffffffff, &(0x7f0000000000)=0x5, r0, &(0x7f0000000040)=0x7, 0x5, 0x0) [ 649.053084][ T6521] batman_adv: batadv0: Not using interface vlan364 (retrying later): interface not active [ 649.165819][ T6524] batman_adv: batadv0: Adding interface: vlan557 [ 649.196513][ T6524] batman_adv: batadv0: The MTU of interface vlan557 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. [ 649.295790][ T6524] batman_adv: batadv0: Not using interface vlan557 (retrying later): interface not active 05:58:26 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa2, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:26 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8400, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:26 executing program 1: socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$batadv(&(0x7f0000007580)='batadv\x00') sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000007640)={&(0x7f0000000000)=ANY=[@ANYBLOB="46040000", @ANYRES16=r2, @ANYBLOB="ff830af41b0000000000", @ANYRES32=r1], 0x4}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x1, 0x803, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000200)=@newlink={0x5c, 0x10, 0x403, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x203}, [@IFLA_LINKINFO={0x2c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0x1c, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6, 0x1, 0x9}, @IFLA_VLAN_FLAGS={0xc, 0x2, {0xe, 0xa}}, @IFLA_VLAN_EGRESS_QOS={0x4}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r5}]}, 0x5c}}, 0x0) sendmsg$BATADV_CMD_GET_BLA_CLAIM(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x3c, r2, 0x400, 0x70bd25, 0x25dfdbff, {}, [@BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0xc52b}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0x5}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r5}, @BATADV_ATTR_ORIG_INTERVAL={0x8, 0x39, 0x4}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x80000001}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4008845}, 0xc000) setsockopt$IP_VS_SO_SET_FLUSH(r0, 0x0, 0x485, 0x0, 0x0) 05:58:26 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x74, @dev}], 0x10) 05:58:26 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x4000000}}, 0x20}}, 0x0) 05:58:26 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x410, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:26 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:58:26 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa3, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:26 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8401, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:26 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0xffffffffffffffe1, 0x800}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) creat(&(0x7f0000000000)='./file0\x00', 0xf1) [ 649.765499][ T6579] batman_adv: batadv0: Adding interface: vlan558 [ 649.799453][ T6579] batman_adv: batadv0: The MTU of interface vlan558 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. [ 649.903265][ T6579] batman_adv: batadv0: Not using interface vlan558 (retrying later): interface not active 05:58:26 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa4, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:26 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x5000000}}, 0x20}}, 0x0) 05:58:26 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x412, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:26 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8500, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:27 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x20000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') r2 = semget$private(0x0, 0x20000000102, 0x0) semop(r2, &(0x7f00000000c0)=[{0x0, 0x0, 0xc00}, {0x0, 0x4}, {}], 0x3) semop(r2, &(0x7f0000000100)=[{0x2, 0xffff}], 0x1) semtimedop(r2, &(0x7f0000000000)=[{0x0, 0xec00}], 0x1, 0x0) semop(r2, &(0x7f0000000080)=[{0x0, 0x9}], 0x1) semctl$GETZCNT(r2, 0x4, 0xf, &(0x7f0000001140)=""/176) preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x40042409, 0x1) close(r0) [ 650.404603][ T6607] __nla_validate_parse: 13 callbacks suppressed [ 650.404613][ T6607] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:27 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0xfc, @dev}], 0x10) 05:58:27 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8501, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 650.635031][ T6611] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:27 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x414, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:27 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa5, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 650.893896][ T6616] batman_adv: batadv0: Adding interface: vlan559 [ 650.919786][ T6616] batman_adv: batadv0: The MTU of interface vlan559 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. 05:58:27 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8600, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 651.061813][ T6616] batman_adv: batadv0: Not using interface vlan559 (retrying later): interface not active [ 651.120612][ T6638] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:28 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa6, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 651.253755][ T6616] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 651.291869][ T6642] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:28 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x6000000}}, 0x20}}, 0x0) 05:58:28 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x425, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:28 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8601, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:28 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa7, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 651.592575][ T6664] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 651.714779][ T6663] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:28 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x12c, @dev}], 0x10) 05:58:28 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa8, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 651.922861][ T6667] batman_adv: batadv0: Adding interface: vlan365 [ 651.954106][ T6667] batman_adv: batadv0: The MTU of interface vlan365 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:28 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8700, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 652.078410][ T6667] batman_adv: batadv0: Not using interface vlan365 (retrying later): interface not active [ 652.200564][ T6668] batman_adv: batadv0: Adding interface: vlan560 05:58:29 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa9, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 652.229953][ T6668] batman_adv: batadv0: The MTU of interface vlan560 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:29 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8701, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 652.373469][ T6668] batman_adv: batadv0: Not using interface vlan560 (retrying later): interface not active [ 652.438482][ T6698] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:29 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x439, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:29 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x7000000}}, 0x20}}, 0x0) 05:58:29 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xaa, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 652.640855][ T6704] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:29 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8800, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:29 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xab, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 652.840512][ T6709] batman_adv: batadv0: Adding interface: vlan366 05:58:29 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x1f4, @dev}], 0x10) [ 652.880752][ T6709] batman_adv: batadv0: The MTU of interface vlan366 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:29 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8801, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 652.991940][ T6709] batman_adv: batadv0: Not using interface vlan366 (retrying later): interface not active 05:58:29 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000080)={0xffffffffffffffff, 0xc0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, 0x10) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000080)={r2}, 0xc) r3 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r3, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r3, 0x84, 0x6c, &(0x7f0000000040)={0x0, 0x29, "a2b2f42eb59237f659a169f5b6f6f6d0bc375992d7bc55d397c31145f5d284e662934825f2c4e24602"}, &(0x7f00000000c0)=0x31) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f0000000100)={0x0, 0x6d6, 0x30, 0x5, 0x3}, &(0x7f00000001c0)=0x18) getsockopt$inet_sctp6_SCTP_STATUS(0xffffffffffffffff, 0x84, 0xe, &(0x7f0000000200)={r4, 0x100, 0x200, 0x7, 0x6, 0xfffe, 0xfffb, 0x7f, {r5, @in6={{0xa, 0x4e23, 0x6, @initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x1}}, 0x5, 0x10001, 0xfff, 0xb3b, 0x400}}, &(0x7f00000002c0)=0xb0) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000000)={r2}, 0xc) close(r0) [ 653.036031][ T6708] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:30 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xac, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:30 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r1 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$int_in(r1, 0x40000000af01, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r2, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) sendmsg$key(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000001c0)={0x2, 0x1, 0x3f, 0x9, 0x2c, 0x0, 0x70bd26, 0x25dfdbfd, [@sadb_lifetime={0x4, 0x3, 0x7, 0x4d96, 0x1, 0x1}, @sadb_ident={0x2, 0xa, 0x8, 0x0, 0x25}, @sadb_x_sa2={0x2, 0x13, 0x5, 0x0, 0x0, 0x70bd2d, 0x3502}, @sadb_x_kmaddress={0x5, 0x19, 0x0, @in={0x2, 0x4e23, @local}, @in={0x2, 0x4e22, @local}}, @sadb_address={0x3, 0x0, 0xff, 0x20, 0x0, @in={0x2, 0x4e24, @broadcast}}, @sadb_ident={0x2, 0xa, 0x200, 0x0, 0x101}, @sadb_x_sec_ctx={0x18, 0x18, 0xe, 0x5, 0xb1, "fa1b8e11f80668f8dc9e36506f0215597aab4b9f6977a0360042f6c330fd6639d575bfeff10f5ae94521ee9525cc125c9e520c97ace7d77302a5e4d7d393239951f41b0bcb9be79f1bd71e8db5a2e50df0f39a94daa2283661064addc739ad7859c8bd738f55e3d45db8a06d25032c31fea55f822aa9d5ba6420d16b1f78820549fdedaffed127d244787f6f69bb8fcafebb54fa0dbf23498fa431c2260bfa858243117dafb3be507b83589c6f025e0a82"}]}, 0x160}}, 0x20000004) ioctl$VHOST_SET_VRING_BASE(r1, 0x4008af12, &(0x7f00000000c0)) close(r0) [ 653.210781][ T6712] batman_adv: batadv0: Adding interface: vlan561 [ 653.233579][ T6712] batman_adv: batadv0: The MTU of interface vlan561 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:30 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8900, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:30 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xad, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 653.334117][ T6712] batman_adv: batadv0: Not using interface vlan561 (retrying later): interface not active 05:58:30 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x445, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:30 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x8000000}}, 0x20}}, 0x0) 05:58:30 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') getsockopt$inet6_opts(r0, 0x29, 0xf, &(0x7f0000001140)=""/179, &(0x7f0000000100)=0xb3) preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$SNAPSHOT_SET_SWAP_AREA(r0, 0x400c330d, &(0x7f0000000000)={0x6, 0x9}) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r2 = syz_open_pts(r1, 0x0) r3 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r3, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) accept4$bt_l2cap(r3, &(0x7f0000001200)={0x1f, 0x0, @none}, &(0x7f0000001240)=0xe, 0x800) ioctl$TIOCVHANGUP(r2, 0x5437, 0x0) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xe8, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0xfffffffffffffffe}, 0x0, 0xfffffffffffffffe, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r4) 05:58:30 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8901, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:30 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xae, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 653.657043][ T6762] batman_adv: batadv0: Adding interface: vlan367 [ 653.674585][ T6762] batman_adv: batadv0: The MTU of interface vlan367 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 653.770760][ T6762] batman_adv: batadv0: Not using interface vlan367 (retrying later): interface not active [ 653.931709][ T6769] batman_adv: batadv0: Adding interface: vlan562 05:58:30 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x26c, @dev}], 0x10) 05:58:30 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xaf, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:30 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8a00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 653.962992][ T6769] batman_adv: batadv0: The MTU of interface vlan562 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 654.099966][ T6769] batman_adv: batadv0: Not using interface vlan562 (retrying later): interface not active 05:58:31 executing program 1: socketpair(0x1e, 0x800, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = syz_genetlink_get_family_id$netlbl_mgmt(0x0) sendmsg$NLBL_MGMT_C_VERSION(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r1}, 0x14}}, 0x0) sendmsg$NFNL_MSG_CTHELPER_GET(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0x44, 0x1, 0x9, 0x0, 0x0, 0x0, {0x1, 0x0, 0x4}, [@NFCTH_PRIV_DATA_LEN={0x8, 0x5, 0x1, 0x0, 0x8}, @NFCTH_NAME={0x9, 0x1, 'syz1\x00'}, @NFCTH_POLICY={0xc, 0x4, 0x0, 0x1, {0x8, 0x1, 0x1, 0x0, 0x1000}}, @NFCTH_STATUS={0x8}, @NFCTH_STATUS={0x8, 0x6, 0x1, 0x0, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x44}, 0x48000) sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x28, r1, 0x800, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}]}, 0x28}, 0x1, 0x0, 0x0, 0x400}, 0x48000) 05:58:31 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x463, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:31 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x9000000}}, 0x20}}, 0x0) 05:58:31 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8a01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:31 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb0, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:31 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = gettid() ptrace$setopts(0x4206, r1, 0x0, 0x0) tkill(r1, 0x3c) ptrace$cont(0x18, r1, 0x0, 0x0) ptrace$setregs(0xd, r1, 0x0, &(0x7f0000000080)) ptrace$cont(0x20, r1, 0x0, 0x0) perf_event_open(&(0x7f0000000000)={0x0, 0x70, 0x1, 0x8, 0x0, 0x1, 0x0, 0x1, 0x1010, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x2de1, 0x2, @perf_config_ext={0x100000000, 0x6}, 0x88e, 0x100000000, 0x5, 0x9, 0x0, 0x40, 0x2}, r1, 0xa, 0xffffffffffffffff, 0x9) socket(0x15, 0x80000, 0x4) 05:58:31 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) ioctl$sock_SIOCGIFVLAN_SET_VLAN_INGRESS_PRIORITY_CMD(r0, 0x8982, &(0x7f0000000000)={0x2, 'veth0_to_hsr\x00', {0x8}, 0x8}) 05:58:31 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8b00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 654.588351][ T6811] batman_adv: batadv0: Adding interface: vlan368 [ 654.606877][ T6811] batman_adv: batadv0: The MTU of interface vlan368 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:31 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb1, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 654.717287][ T6811] batman_adv: batadv0: Not using interface vlan368 (retrying later): interface not active [ 654.815566][ T6813] batman_adv: batadv0: Adding interface: vlan563 [ 654.835315][ T6813] batman_adv: batadv0: The MTU of interface vlan563 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. [ 654.958234][ T6813] batman_adv: batadv0: Not using interface vlan563 (retrying later): interface not active 05:58:31 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x300, @dev}], 0x10) 05:58:31 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3008, 0xd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={0x0}, 0x0, 0x2000000000000000, 0x0, 0x3, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(0xffffffffffffffff, 0xc0105303, 0x0) symlinkat(&(0x7f0000000240)='./file0\x00', 0xffffffffffffffff, &(0x7f0000000280)='./file0\x00') r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x6, 0x0, 0x3, 0x75, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0xfffffffffffffffc}, 0x0, 0x0, 0x80000000, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) r2 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r2, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r2, 0x2405, r0) setsockopt$inet_sctp6_SCTP_NODELAY(0xffffffffffffffff, 0x84, 0x3, 0x0, 0x0) bind$inet6(r1, &(0x7f0000000040)={0xa, 0x4e23}, 0x1c) listen(r1, 0x200000000002) r3 = socket$inet6(0xa, 0x5, 0x0) bind$inet6(r3, &(0x7f0000000200)={0xa, 0x0, 0x0, @ipv4={[], [], @remote}}, 0x1c) r4 = creat(&(0x7f0000000100)='./file0\x00', 0x0) getsockopt$inet_sctp_SCTP_AUTOCLOSE(r4, 0x84, 0x4, &(0x7f0000001140), &(0x7f0000001180)=0x4) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r3, 0x84, 0x6b, &(0x7f0000000000)=[@in={0x2, 0x4e23, @local}], 0x10) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r5) 05:58:31 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8b01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:31 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb2, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:31 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0xc00e, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:31 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xa000000}}, 0x20}}, 0x0) 05:58:32 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb3, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 655.421450][ T6861] __nla_validate_parse: 9 callbacks suppressed [ 655.421462][ T6861] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:32 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8c00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:32 executing program 1: r0 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-monitor\x00', 0x280002, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, @perf_config_ext={0x200, 0x3}, 0x40000, 0x1, 0x0, 0x0, 0x0, 0x0, 0x80}, 0x0, 0xe, r0, 0x5) socketpair(0x5, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r1) socket$bt_rfcomm(0x1f, 0x3, 0x3) [ 655.641115][ T6867] batman_adv: batadv0: Adding interface: vlan564 05:58:32 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb4, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 655.676617][ T6867] batman_adv: batadv0: The MTU of interface vlan564 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. [ 655.785513][ T6867] batman_adv: batadv0: Not using interface vlan564 (retrying later): interface not active [ 655.846083][ T6868] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 655.869560][ T6867] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:32 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5000, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1f, 0x1, 0x0, &(0x7f00000000c0)={0x0, 0x0}) r2 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x31b281, 0x0) ioctl$RTC_AIE_ON(r2, 0x7001) ioctl$SNDCTL_TMR_TIMEBASE(r2, 0xc0045401, &(0x7f0000000040)=0x35) r3 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r3, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$KVM_UNREGISTER_COALESCED_MMIO(r3, 0x4010ae68, &(0x7f0000001140)={0x2}) setsockopt$RXRPC_SECURITY_KEY(r1, 0x110, 0x1, &(0x7f0000000080)='$-.\x00', 0x4) close(r0) r4 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r4, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$VIDIOC_S_PRIORITY(r4, 0x40045644, 0x2) r5 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r5, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r6 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r6, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f00000014c0)={&(0x7f0000001180)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000001480)={&(0x7f00000011c0)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a1c000000120a010100000000000000000a00000108000340000000092c000000180af0890000000000000000010000070900010073797a30000000000900020073797a300000000094000000120a000000000000000000000c000002800004802000038014000100fe880000000000000000000000000101080003400000000608000140000000063c00028008000240ac1414aa08000240e000000208000240000000000800014064010102080002407f00000108000240ffffffff08000240ffffffff060008404e2400000800014000000002060008404e21000020000000180a01080000000000000000010000040c000540000000000000000488000000160a010100000000000000000c00000a0900010073797a31000000000900020073797a320000000008000740000000001c000380180003801400010076657468305f746f5f687372000000000900010073797a31000000000c00054000000000000000050900010073797a310000000008000740000000000c00054000000000000000040c010000180a0300000000000000000007000000800003807c000380140001007663616e3000000000000000000000001400010064756d6d79300000000000000000000014000100726f7365300000000000000000000000140001007866726d300000000000000000000000140001006c6f0000000000000000000000000000140001006970766c616e300000000000000000000900010073797a31000000006c0003800800014000000000080002400000f151180003801400010073797a6b616c6c657230000000000000400003801400010076656f5f626f6e6400000014000100767863616e31000000000000000000001400010062726964676530000000000000000000140000001100010000000000000000000000000a"], 0x2b8}, 0x1, 0x0, 0x0, 0x80}, 0x8014) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(r6, 0x6, 0x16, &(0x7f0000000100)=[@sack_perm, @mss={0x2, 0x8}, @window={0x3, 0x3, 0x7}, @sack_perm, @mss={0x2, 0xea}, @sack_perm], 0x6) 05:58:32 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8c01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:33 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x3e8, @dev}], 0x10) 05:58:33 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:33 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xc000000}}, 0x20}}, 0x0) 05:58:33 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb5, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:33 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x8000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:58:33 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8d00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 656.260561][ T6915] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 656.341818][ T6918] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:33 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) setsockopt$inet_sctp_SCTP_AUTH_CHUNK(r0, 0x84, 0x15, &(0x7f0000000000)={0xc2}, 0x1) r1 = gettid() ptrace$setopts(0x4206, r1, 0x0, 0x0) tkill(r1, 0x3c) ptrace$cont(0x18, r1, 0x0, 0x0) ptrace$setregs(0xd, r1, 0x0, &(0x7f0000000080)) ptrace$cont(0x20, r1, 0x0, 0x3) perf_event_open(&(0x7f0000000140)={0xd9f4c1d3a0636355, 0x70, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r1, 0x0, 0xffffffffffffffff, 0xb) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r2) [ 656.417188][ T6923] batman_adv: batadv0: Adding interface: vlan369 [ 656.446607][ T6923] batman_adv: batadv0: The MTU of interface vlan369 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 656.483603][ T6923] batman_adv: batadv0: Not using interface vlan369 (retrying later): interface not active 05:58:33 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb6, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:33 executing program 1: r0 = perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r1) r3 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r3, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r4 = fcntl$dupfd(r0, 0x0, r3) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x7) ioctl$sock_ax25_SIOCADDRT(r2, 0x890b, &(0x7f0000001140)={@null, @null, 0x5, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @null, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @null, @null]}) r5 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r5, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r6 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r6, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$DRM_IOCTL_ADD_CTX(r6, 0xc0086420, &(0x7f0000000000)={0x0}) ioctl$DRM_IOCTL_GET_CTX(r5, 0xc0086423, &(0x7f0000000040)={r7, 0x2}) r8 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r8, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xa, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r9}, &(0x7f0000000040)=0x20) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000100)={0x7, 0x924, 0x6, 0x1, 0x9, 0xfffffff8, 0xffff, 0x7, r9}, &(0x7f00000011c0)=0x20) getsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000001200)=@assoc_value={r10, 0x1feb}, &(0x7f0000001240)=0x8) [ 656.559323][ T6928] batman_adv: batadv0: Adding interface: vlan565 [ 656.605082][ T6928] batman_adv: batadv0: The MTU of interface vlan565 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:33 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8d01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:33 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb7, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 656.730729][ T6928] batman_adv: batadv0: Not using interface vlan565 (retrying later): interface not active [ 656.778554][ T6928] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:33 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x2, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 656.946418][ T6955] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 657.082621][ T6959] batman_adv: batadv0: Adding interface: vlan370 [ 657.099597][ T6959] batman_adv: batadv0: The MTU of interface vlan370 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. 05:58:34 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x5dc, @dev}], 0x10) 05:58:34 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xe000000}}, 0x20}}, 0x0) 05:58:34 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb8, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:34 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8e00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 657.142137][ T6959] batman_adv: batadv0: Not using interface vlan370 (retrying later): interface not active 05:58:34 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x3, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 657.249777][ T6972] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:34 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb9, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 657.445512][ T6978] batman_adv: batadv0: Adding interface: vlan566 05:58:34 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8e01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:34 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) sendmsg$TIPC_CMD_GET_MEDIA_NAMES(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x1c, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, ["", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x800}, 0x4048011) close(r0) [ 657.482173][ T6978] batman_adv: batadv0: The MTU of interface vlan566 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 657.598115][ T6978] batman_adv: batadv0: Not using interface vlan566 (retrying later): interface not active [ 657.646812][ T6984] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:34 executing program 1: r0 = perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r2 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r2, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r3 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r3, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$FUSE_DEV_IOC_CLONE(r2, 0x8004e500, &(0x7f0000000040)=r3) close(r1) close(r0) openat$misdntimer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/mISDNtimer\x00', 0x240600, 0x0) 05:58:34 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xba, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:34 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8f00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 657.819723][ T6992] batman_adv: batadv0: Adding interface: vlan371 [ 657.846009][ T6992] batman_adv: batadv0: The MTU of interface vlan371 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:34 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$FIGETBSZ(r0, 0x2, &(0x7f0000000000)) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r1) [ 657.952162][ T6992] batman_adv: batadv0: Not using interface vlan371 (retrying later): interface not active [ 658.027435][ T6978] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:35 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x600, @dev}], 0x10) 05:58:35 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xbb, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:35 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r1 = gettid() ptrace$setopts(0x4206, r1, 0x0, 0x0) tkill(r1, 0x3c) ptrace$cont(0x18, r1, 0x0, 0x0) ptrace$setregs(0xd, r1, 0x0, &(0x7f0000000080)) ptrace$cont(0x20, r1, 0x0, 0x3) perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0xea, 0x7, 0x0, 0x0, 0x0, 0x0, 0x41010, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401, 0x0, @perf_bp={0x0, 0x4}, 0x0, 0x0, 0x0, 0x5, 0x7, 0x40, 0xfffe}, r1, 0x5, r0, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r2) 05:58:35 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xf000000}}, 0x20}}, 0x0) 05:58:35 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x8f01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:35 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x4, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:35 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$int_in(r1, 0x0, &(0x7f0000000000)=0x4) 05:58:35 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xbc, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:35 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9000, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:35 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$KVM_IRQ_LINE(r0, 0x4008ae61, &(0x7f0000000100)={0xfffff001, 0x7fffffff}) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r1) r2 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r2, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$TUNSETVNETHDRSZ(r0, 0x400454d8, &(0x7f0000001140)=0x1) r3 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') ioctl$F2FS_IOC_MOVE_RANGE(r2, 0xc020f509, &(0x7f0000000000)={r3, 0x9, 0x8cf, 0x3}) [ 658.602019][ T7043] batman_adv: batadv0: Adding interface: vlan372 [ 658.651955][ T7043] batman_adv: batadv0: The MTU of interface vlan372 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. 05:58:35 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xbd, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 658.763386][ T7043] batman_adv: batadv0: Not using interface vlan372 (retrying later): interface not active 05:58:35 executing program 1: perf_event_open(&(0x7f0000000000)={0x2, 0x70, 0xe8, 0x0, 0xa0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={0x0}, 0x808}, 0x0, 0x3, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x3, &(0x7f0000000080)={0x0, 0x0}) close(r0) [ 658.824457][ T7044] batman_adv: batadv0: Adding interface: vlan567 [ 658.835465][ T7044] batman_adv: batadv0: The MTU of interface vlan567 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 658.933404][ T7044] batman_adv: batadv0: Not using interface vlan567 (retrying later): interface not active 05:58:36 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x700, @dev}], 0x10) 05:58:36 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9001, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:36 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') setsockopt$ax25_SO_BINDTODEVICE(r0, 0x101, 0x19, &(0x7f0000000000)=@rose={'rose', 0x0}, 0x10) preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x2400, 0x80000001) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r1) 05:58:36 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x5, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:36 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x10000000}}, 0x20}}, 0x0) 05:58:36 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xbe, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:36 executing program 1: syz_genetlink_get_family_id$batadv(&(0x7f00000014c0)='batadv\x00') perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') ioctl$VIDIOC_G_EXT_CTRLS(0xffffffffffffffff, 0xc0205647, &(0x7f00000012c0)={0x9e0000, 0x0, 0x80, 0xffffffffffffffff, 0x0, &(0x7f0000001280)={0x9b0001, 0x0, [], @ptr=0x2}}) preadv(r1, &(0x7f00000015c0)=[{&(0x7f0000001300)=""/118, 0x76}, {&(0x7f0000001380)=""/103, 0x67}, {&(0x7f0000001400)=""/183, 0xb7}, {&(0x7f0000001640)=""/148, 0x94}, {&(0x7f0000001580)}], 0x5, 0x9, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') r3 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r3, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000001180)='TIPC\x00') sendmsg$TIPC_CMD_GET_NODES(r3, &(0x7f0000001240)={&(0x7f0000001140)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000001200)={&(0x7f00000011c0)={0x1c, r4, 0x300, 0x70bd2a, 0x25dfdbfd, {}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000000) preadv(r2, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) fanotify_mark(r0, 0x0, 0x8001018, r2, &(0x7f0000000000)='./file0\x00') r5 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r5, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$VIDIOC_G_EXT_CTRLS(r5, 0xc0205647, &(0x7f0000001580)={0xa00000, 0x42df, 0xb0000000, r0, 0x0, &(0x7f0000001540)={0x9e0001, 0x4, [], @p_u8=&(0x7f0000001500)=0x4}}) syz_open_dev$amidi(&(0x7f0000000100)='/dev/amidi#\x00', 0x80000001, 0x20000) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r6) 05:58:36 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xbf, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:36 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9100, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 659.682080][ T7094] batman_adv: batadv0: Adding interface: vlan373 [ 659.708647][ T7094] batman_adv: batadv0: The MTU of interface vlan373 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 659.772870][ T7094] batman_adv: batadv0: Not using interface vlan373 (retrying later): interface not active [ 659.840909][ T7096] batman_adv: batadv0: Adding interface: vlan568 [ 659.852812][ T7096] batman_adv: batadv0: The MTU of interface vlan568 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 659.896720][ T7096] batman_adv: batadv0: Not using interface vlan568 (retrying later): interface not active 05:58:36 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x6, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:36 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x20000000}}, 0x20}}, 0x0) 05:58:36 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc0, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 660.330547][ T7129] batman_adv: batadv0: Adding interface: vlan374 [ 660.349062][ T7129] batman_adv: batadv0: The MTU of interface vlan374 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. [ 660.438395][ T7129] batman_adv: batadv0: Not using interface vlan374 (retrying later): interface not active 05:58:37 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0xa00, @dev}], 0x10) 05:58:37 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9101, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:37 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc1, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 660.519711][ T7128] batman_adv: batadv0: Adding interface: vlan569 [ 660.526087][ T7128] batman_adv: batadv0: The MTU of interface vlan569 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. [ 660.670198][ T7128] batman_adv: batadv0: Not using interface vlan569 (retrying later): interface not active 05:58:37 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x7, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 660.739905][ T7128] __nla_validate_parse: 9 callbacks suppressed [ 660.739915][ T7128] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:37 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9200, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:37 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc2, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:37 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x3f000000}}, 0x20}}, 0x0) [ 660.954674][ T7160] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 661.087279][ T7161] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:38 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9201, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:38 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc3, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 661.282988][ T7163] batman_adv: batadv0: Adding interface: vlan570 [ 661.308768][ T7163] batman_adv: batadv0: The MTU of interface vlan570 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. [ 661.407022][ T7163] batman_adv: batadv0: Not using interface vlan570 (retrying later): interface not active 05:58:38 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc4, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:38 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9300, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 661.511646][ T7164] batman_adv: batadv0: Adding interface: vlan375 [ 661.543208][ T7164] batman_adv: batadv0: The MTU of interface vlan375 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. 05:58:38 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0xe00, @dev}], 0x10) [ 661.693101][ T7164] batman_adv: batadv0: Not using interface vlan375 (retrying later): interface not active 05:58:38 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc5, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:38 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9301, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 661.753839][ T7163] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:38 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x8, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:38 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x40000000}}, 0x20}}, 0x0) [ 661.945539][ T7203] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:39 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc6, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:39 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9400, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 662.117209][ T7206] batman_adv: batadv0: Adding interface: vlan376 [ 662.136777][ T7206] batman_adv: batadv0: The MTU of interface vlan376 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. [ 662.214710][ T7206] batman_adv: batadv0: Not using interface vlan376 (retrying later): interface not active [ 662.260879][ T7209] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:39 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9401, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:39 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc7, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 662.425150][ T7215] batman_adv: batadv0: Adding interface: vlan571 [ 662.453079][ T7215] batman_adv: batadv0: The MTU of interface vlan571 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. [ 662.583322][ T7215] batman_adv: batadv0: Not using interface vlan571 (retrying later): interface not active [ 662.654801][ T7215] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:39 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x9, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:39 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x2000, @dev}], 0x10) 05:58:39 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc8, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:39 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x48000000}}, 0x20}}, 0x0) 05:58:39 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9500, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 662.855721][ T7240] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 662.982850][ T7246] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 663.155449][ T7247] batman_adv: batadv0: Adding interface: vlan377 05:58:40 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc9, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:40 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9501, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 663.185127][ T7247] batman_adv: batadv0: The MTU of interface vlan377 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. [ 663.257727][ T7247] batman_adv: batadv0: Not using interface vlan377 (retrying later): interface not active [ 663.344233][ T7252] batman_adv: batadv0: Adding interface: vlan572 [ 663.382207][ T7252] batman_adv: batadv0: The MTU of interface vlan572 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. 05:58:40 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xca, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 663.523408][ T7252] batman_adv: batadv0: Not using interface vlan572 (retrying later): interface not active 05:58:40 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9600, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 663.584248][ T7252] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:40 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0xa, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:40 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x48090000}}, 0x20}}, 0x0) 05:58:40 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x2c01, @dev}], 0x10) 05:58:40 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9601, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:40 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xcb, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 663.982000][ T7286] batman_adv: batadv0: Adding interface: vlan378 [ 664.017413][ T7286] batman_adv: batadv0: The MTU of interface vlan378 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. [ 664.148895][ T7286] batman_adv: batadv0: Not using interface vlan378 (retrying later): interface not active 05:58:41 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9700, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:41 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xcc, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 664.320574][ T7288] batman_adv: batadv0: Adding interface: vlan573 [ 664.337207][ T7288] batman_adv: batadv0: The MTU of interface vlan573 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. [ 664.457554][ T7288] batman_adv: batadv0: Not using interface vlan573 (retrying later): interface not active 05:58:41 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0xc, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:41 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9701, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:41 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x49090000}}, 0x20}}, 0x0) 05:58:41 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xcd, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:41 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9800, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:41 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x3f00, @dev}], 0x10) [ 665.038831][ T7323] batman_adv: batadv0: Adding interface: vlan379 [ 665.074606][ T7323] batman_adv: batadv0: The MTU of interface vlan379 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:42 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xce, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 665.221107][ T7323] batman_adv: batadv0: Not using interface vlan379 (retrying later): interface not active 05:58:42 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9801, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 665.317733][ T7325] batman_adv: batadv0: Adding interface: vlan574 [ 665.342207][ T7325] batman_adv: batadv0: The MTU of interface vlan574 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:42 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xcf, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 665.454572][ T7325] batman_adv: batadv0: Not using interface vlan574 (retrying later): interface not active 05:58:42 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0xe, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:42 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x4c000000}}, 0x20}}, 0x0) 05:58:42 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9900, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:42 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd0, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 665.796810][ T7365] batman_adv: batadv0: Adding interface: vlan380 [ 665.814756][ T7365] batman_adv: batadv0: The MTU of interface vlan380 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. [ 665.886502][ T7365] batman_adv: batadv0: Not using interface vlan380 (retrying later): interface not active [ 665.925380][ T7368] __nla_validate_parse: 7 callbacks suppressed [ 665.925391][ T7368] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:43 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd1, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:43 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9901, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 666.112655][ T7372] batman_adv: batadv0: Adding interface: vlan575 05:58:43 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x4000, @dev}], 0x10) [ 666.167422][ T7372] batman_adv: batadv0: The MTU of interface vlan575 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. [ 666.280241][ T7372] batman_adv: batadv0: Not using interface vlan575 (retrying later): interface not active 05:58:43 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd2, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 666.332804][ T7372] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:43 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x10, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:43 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x583e0300}}, 0x20}}, 0x0) 05:58:43 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9a00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 666.532666][ T7401] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:43 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd3, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 666.680262][ T7402] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:43 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9a01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 666.891231][ T7404] batman_adv: batadv0: Adding interface: vlan381 [ 666.919646][ T7404] batman_adv: batadv0: The MTU of interface vlan381 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. 05:58:43 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd4, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:43 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9b00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 667.038828][ T7404] batman_adv: batadv0: Not using interface vlan381 (retrying later): interface not active [ 667.129562][ T7408] batman_adv: batadv0: Adding interface: vlan576 [ 667.169395][ T7408] batman_adv: batadv0: The MTU of interface vlan576 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. 05:58:44 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x6000, @dev}], 0x10) [ 667.259669][ T7408] batman_adv: batadv0: Not using interface vlan576 (retrying later): interface not active 05:58:44 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9b01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:44 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd5, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 667.339296][ T7408] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:44 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x12, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:44 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x5d83b7cb}}, 0x20}}, 0x0) [ 667.543040][ T7444] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:44 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd6, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 667.657092][ T7445] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:44 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9c00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:44 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f0000000000)='/proc/capi/capi20ncci\x00', 0x1490c0, 0x0) ioctl$FIONREAD(r1, 0x541b, &(0x7f0000000040)) setsockopt$pppl2tp_PPPOL2TP_SO_LNSMODE(r0, 0x111, 0x4, 0x0, 0x4) r2 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r2, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r1, 0xc0206434, &(0x7f00000000c0)={0x8000, 0x0, 0x0, 0x40000000}) ioctl$DRM_IOCTL_AGP_UNBIND(r2, 0x40106437, &(0x7f0000000100)={r3, 0x7}) [ 667.825864][ T7447] batman_adv: batadv0: Adding interface: vlan382 [ 667.871143][ T7447] batman_adv: batadv0: The MTU of interface vlan382 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:44 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd7, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 667.946971][ T7447] batman_adv: batadv0: Not using interface vlan382 (retrying later): interface not active 05:58:44 executing program 1: perf_event_open(&(0x7f0000000000)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x80}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x21, 0x6, 0x0, &(0x7f0000000140)={0x0, 0x0}) close(r0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r1) r2 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x3d}}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r1, 0x84, 0xa, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r3}, &(0x7f0000000040)=0x20) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f00000000c0)=ANY=[@ANYRES32=r3, @ANYBLOB="0a0000003d0838f186605e4dabf9"], &(0x7f0000000100)=0x12) 05:58:44 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9c01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 668.047882][ T7451] batman_adv: batadv0: Adding interface: vlan577 [ 668.081297][ T7451] batman_adv: batadv0: The MTU of interface vlan577 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. [ 668.194256][ T7451] batman_adv: batadv0: Not using interface vlan577 (retrying later): interface not active 05:58:45 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd8, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 668.246556][ T7454] batman_adv: batadv0: Interface activated: vlan577 [ 668.289632][ T7451] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:45 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x6c02, @dev}], 0x10) 05:58:45 executing program 1: socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:58:45 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x3e, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:45 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x60000000}}, 0x20}}, 0x0) 05:58:45 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9d00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:45 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd9, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 668.602409][ T7494] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:45 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$SNDRV_TIMER_IOCTL_GPARAMS(r1, 0x40485404, &(0x7f0000000000)={{0x0, 0x0, 0x5, 0x3, 0x9bf4ac4}, 0x8001, 0x7}) close(r0) [ 668.751634][ T7495] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:45 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9d01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:45 executing program 1: ioctl$VIDIOC_G_MODULATOR(0xffffffffffffffff, 0xc0445636, &(0x7f0000000000)={0x1, "542818c133ca4f53df39c317198846b82d8c962913a15982393c327da382fa39", 0x1, 0x40, 0x0, 0x8, 0x5}) openat$vfio(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vfio/vfio\x00', 0x14041, 0x0) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x1f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x7}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) 05:58:45 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xda, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 668.897888][ T7498] batman_adv: batadv0: Adding interface: vlan578 [ 668.930432][ T7498] batman_adv: batadv0: The MTU of interface vlan578 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. [ 669.022537][ T7498] batman_adv: batadv0: Not using interface vlan578 (retrying later): interface not active 05:58:45 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9e00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 669.081668][ T7499] batman_adv: batadv0: Adding interface: vlan383 [ 669.089859][ T7499] batman_adv: batadv0: The MTU of interface vlan383 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 669.122906][ T7499] batman_adv: batadv0: Not using interface vlan383 (retrying later): interface not active 05:58:46 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x65580000}}, 0x20}}, 0x0) [ 669.403425][ T7536] batman_adv: batadv0: Adding interface: vlan579 [ 669.435406][ T7536] batman_adv: batadv0: The MTU of interface vlan579 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. [ 669.503961][ T7536] batman_adv: batadv0: Not using interface vlan579 (retrying later): interface not active 05:58:46 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x7400, @dev}], 0x10) 05:58:46 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x1e, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$RNDCLEARPOOL(r1, 0x5206, &(0x7f0000000000)=0x7) r2 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r2, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000000100), &(0x7f0000001140)=0xc) 05:58:46 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x48, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:46 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xdb, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:46 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9e01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:46 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x68000000}}, 0x20}}, 0x0) 05:58:46 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) r2 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) getitimer(0x0, &(0x7f0000000100)) move_pages(r2, 0x0, 0x0, 0x0, 0x0, 0x0) socketpair(0x1c, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r3) r4 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r4, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) write$cgroup_subtree(r4, &(0x7f0000001140)=ANY=[@ANYBLOB="2b72645161202b6d656d6f72792072f8048ba653e5478b3cb6c81e77e0b2d9b3ffa8a42f72282cd4647d68d5"], 0x1e) 05:58:46 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xdc, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:46 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9f00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 669.990336][ T7558] batman_adv: batadv0: Adding interface: vlan384 [ 670.020324][ T7558] batman_adv: batadv0: The MTU of interface vlan384 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 670.132576][ T7558] batman_adv: batadv0: Not using interface vlan384 (retrying later): interface not active 05:58:47 executing program 1: perf_event_open(&(0x7f0000000140)={0x4, 0x70, 0xea, 0x0, 0x0, 0x3, 0x0, 0xfffffffffffffffc, 0x4008a, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2, @perf_config_ext={0x7ffffffd, 0x6}, 0x0, 0x7e, 0x2000, 0x0, 0x0, 0x0, 0x10}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) semget$private(0x0, 0x1, 0x200) close(r0) finit_module(r1, &(0x7f0000000000)='@(!\x00', 0x3) r2 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r2, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$sock_inet_tcp_SIOCOUTQ(r2, 0x5411, &(0x7f0000000040)) [ 670.223391][ T7560] batman_adv: batadv0: Adding interface: vlan580 05:58:47 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x9f01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 670.257073][ T7560] batman_adv: batadv0: The MTU of interface vlan580 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. 05:58:47 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xdd, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 670.365783][ T7560] batman_adv: batadv0: Not using interface vlan580 (retrying later): interface not active 05:58:47 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x80fe, @dev}], 0x10) 05:58:47 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x4a, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:47 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x6c000000}}, 0x20}}, 0x0) 05:58:47 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) getsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f00000011c0), &(0x7f0000001200)=0x4) r1 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000100)='/proc/asound/card1/oss_mixer\x00', 0x2000, 0x0) fcntl$setstatus(r1, 0x4, 0x20000) perf_event_open(&(0x7f0000001140)={0x4, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x281}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r2) r3 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r3, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f0000000040)={r3, &(0x7f00000001c0)="3af93bf87560b0043a36a7402b90a39d12db8181f57d569f79bbeb6d4debdd9a15d4ab418fc9780976a342270a1b3e58ab71d92620edd639abea42a9e5b16a9afcec1203628d64d9b7335cb47fb59b78715423802b35184afbd64d2bc008a1389ac8179ba322d91b8167ef4246d8a0c5681c635a6ea52c3a777f9ef1074319d14d8c145b484af98a", &(0x7f0000000000)=""/1}, 0x20) 05:58:47 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa000, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:47 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xde, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:47 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3d821, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x49, 0x40010000}, 0x4008, 0x0, 0xbf7}, 0x0, 0x2, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x101000, 0x0) ioctl$DRM_IOCTL_MODE_GETGAMMA(r1, 0xc02064a4, &(0x7f00000001c0)={0x0, 0x1, &(0x7f0000000040)=[0x6], &(0x7f00000000c0)=[0x5, 0x6], &(0x7f0000000100)=[0x7, 0x8001, 0x0, 0x9c00, 0x0, 0x6]}) sendmsg$RDMA_NLDEV_CMD_STAT_GET(r1, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x18, 0x1411, 0x10, 0x70bd25, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_STAT_MODE={0x8}]}, 0x18}}, 0x0) 05:58:47 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xdf, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:47 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa001, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 670.939346][ T7614] batman_adv: batadv0: Adding interface: vlan385 [ 670.955695][ T7614] batman_adv: batadv0: The MTU of interface vlan385 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. [ 671.055219][ T7614] batman_adv: batadv0: Not using interface vlan385 (retrying later): interface not active 05:58:47 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) setsockopt$inet_sctp_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000100)={0x0, 0xfb, 0x2, 0x7, 0xcf9}, 0x14) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r1) r2 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r1, 0x84, 0xa, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r3}, &(0x7f0000000040)=0x20) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000001140)={r3, 0x8001, 0x1, 0x4, 0xfd, 0x91}, &(0x7f0000001180)=0x14) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f00000011c0)=ANY=[@ANYRES32=r4, @ANYBLOB="1b000000dacf4d6593e91721a614472d4ce29ad801a93900000000"], &(0x7f0000001200)=0x23) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) syz_open_dev$char_raw(&(0x7f00000000c0)='/dev/raw/raw#\x00', 0x0, 0x220000) setsockopt$inet_tcp_TCP_ULP(r5, 0x6, 0x1f, &(0x7f0000000000)='tls\x00', 0x4) rt_sigsuspend(&(0x7f0000000040)={[0xda69]}, 0x8) close(r5) [ 671.193031][ T7616] batman_adv: batadv0: Adding interface: vlan581 [ 671.221539][ T7616] batman_adv: batadv0: The MTU of interface vlan581 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:48 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xe0, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 671.263999][ T7616] batman_adv: batadv0: Not using interface vlan581 (retrying later): interface not active 05:58:48 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa100, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 671.310835][ T7616] __nla_validate_parse: 8 callbacks suppressed [ 671.310846][ T7616] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:48 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0xc0fe, @dev}], 0x10) 05:58:48 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x4c, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:48 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x74000000}}, 0x20}}, 0x0) 05:58:48 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa101, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:48 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xe1, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 671.765797][ T7657] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 671.889722][ T7659] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:48 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xe2, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:48 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa200, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 672.005763][ T7662] batman_adv: batadv0: Adding interface: vlan582 [ 672.024734][ T7662] batman_adv: batadv0: The MTU of interface vlan582 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 672.131828][ T7662] batman_adv: batadv0: Not using interface vlan582 (retrying later): interface not active 05:58:49 executing program 1: perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0xea, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x3, 0xffffffffffffffff, 0x0) socketpair(0x23, 0x6, 0x0, &(0x7f0000000080)={0x0, 0x0}) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x4000, 0x0) ioctl$BLKFLSBUF(r1, 0x1261, &(0x7f0000000040)=0x9072) close(r0) 05:58:49 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xe3, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 672.243291][ T7664] batman_adv: batadv0: Adding interface: vlan386 05:58:49 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa201, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 672.273119][ T7664] batman_adv: batadv0: The MTU of interface vlan386 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 672.371564][ T7664] batman_adv: batadv0: Not using interface vlan386 (retrying later): interface not active 05:58:49 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) ioctl$SIOCX25SSUBSCRIP(r0, 0x89e1, &(0x7f00000001c0)={'ip_vti0\x00', 0x1000, 0x200}) close(r0) [ 672.426471][ T7662] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:49 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x56, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:49 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0xdc05, @dev}], 0x10) 05:58:49 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x7a000000}}, 0x20}}, 0x0) 05:58:49 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xe4, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:49 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) sendmsg$tipc(r0, &(0x7f0000000380)={&(0x7f0000000000)=@id={0x1e, 0x3, 0x1, {0x4e20, 0x4}}, 0x10, &(0x7f0000000040)=[{&(0x7f00000000c0)="638b7a8247954c8a1367b2c81197b89edf6fb5f76c09498cbf4f14db4e54b76b82da755c51244c8173a584fd6135d749e3fd4d30abe0702ccba920ee4cc07a5d3db297bfe7e5e883558ca651a922e551a38a7d12a830d93132b6f0560382d0c23b56105034edb84cb244b3c663c60466b36c5be8a4749c1c89", 0x79}, {&(0x7f00000001c0)="00770b19b07ac09fc7f1ac275887e6b66886f826b6d12d9a47146bba71f0d18b3f4eec45ceca2eed5151983aade9be8eeca4fd4e660874d1a5e6c22c498848ea812c75c80961669c60f59dcc9895", 0x4e}, {&(0x7f0000000240)="56a78191c7993bdeb8ca38a5a09375a62196b36f0c1b4366ed49e91a042463d8589e0e2ec4584c8c85694fe554e7a90332d010d97916a15e9c275f34fa9f31cdcd70e79c4c1d1e5d604c398ae1d0fc1b23383094c270055bdc6522d07f360ec79ecad4248a980253e50b5c6028860dc178862f950df123fe74a37fc38b003421e4d067dbf8f4d873a7847fae47f555ba137e38d56fc32b937b74b8fdc019a3d65f94af0f175ea27f8f3114d1e40467dcb50b579ebbce4a6424767da05043a8cf93b0d9ef4ccca904acc15015cf2b1c863d4ea5ac8d745b915caf6b445d8106419798a76ea78b8f337bd87b5fdb99291f7ce820c44a", 0xf5}], 0x3, &(0x7f0000000340)="110a50b20a344470", 0x8, 0x40}, 0x1) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r1) [ 672.684736][ T7704] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:49 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa300, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:49 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x3, 0x6}, 0x5a00, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$SNAPSHOT_FREE(r1, 0x3305) close(r0) [ 672.895465][ T7707] batman_adv: batadv0: Adding interface: vlan387 [ 672.913278][ T7707] batman_adv: batadv0: The MTU of interface vlan387 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. [ 673.002647][ T7707] batman_adv: batadv0: Not using interface vlan387 (retrying later): interface not active 05:58:49 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xe5, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:49 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa301, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 673.058038][ T7709] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:50 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r2 = socket$inet6_dccp(0xa, 0x6, 0x0) setsockopt$inet6_IPV6_HOPOPTS(r2, 0x29, 0x36, &(0x7f0000000100)={0x0, 0x6, [], [@calipso={0x7, 0x30, {0x3, 0xa, 0x1f, 0x6, [0x2, 0x4, 0x3e9, 0x9, 0x4]}}]}, 0x40) write$P9_RWRITE(r1, &(0x7f0000000000)={0xb, 0x77, 0x1, 0x7}, 0xb) close(r0) [ 673.240819][ T7717] batman_adv: batadv0: Adding interface: vlan583 [ 673.280417][ T7717] batman_adv: batadv0: The MTU of interface vlan583 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:50 executing program 1: r0 = socket$caif_stream(0x25, 0x1, 0x5) setsockopt$SO_TIMESTAMP(r0, 0x1, 0x23, &(0x7f0000001140)=0xffff, 0x4) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r2, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r3) r4 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r3, 0x84, 0xa, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r5}, &(0x7f0000000040)=0x20) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r2, 0x84, 0x66, &(0x7f00000000c0)={r5, 0x5af0}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f00000001c0)={r6, 0x90, 0x20, 0x0, 0xfff}, &(0x7f0000000200)=0x18) socketpair(0x1e, 0xa, 0x0, &(0x7f0000000080)={0x0, 0x0}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$sock_inet_SIOCSIFPFLAGS(r8, 0x8934, &(0x7f0000000040)={'veth0_virt_wifi\x00', 0x1000}) close(r7) 05:58:50 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xe6, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 673.391656][ T7717] batman_adv: batadv0: Not using interface vlan583 (retrying later): interface not active [ 673.435725][ T7709] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:50 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x60, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 673.621689][ T7755] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 673.705363][ T7755] batman_adv: batadv0: Adding interface: vlan388 [ 673.726549][ T7755] batman_adv: batadv0: The MTU of interface vlan388 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:50 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0xe803, @dev}], 0x10) 05:58:50 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa400, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:50 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x81000000}}, 0x20}}, 0x0) 05:58:50 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xe7, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 673.760830][ T7755] batman_adv: batadv0: Not using interface vlan388 (retrying later): interface not active [ 673.840497][ T7771] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:50 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x68, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 673.919861][ T7777] batman_adv: batadv0: Adding interface: vlan584 [ 673.935750][ T7777] batman_adv: batadv0: The MTU of interface vlan584 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 673.965651][ T7777] batman_adv: batadv0: Not using interface vlan584 (retrying later): interface not active [ 673.987188][ T7777] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:50 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x88a8ffff}}, 0x20}}, 0x0) 05:58:51 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa401, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:51 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xe8, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 674.190227][ T7789] batman_adv: batadv0: Adding interface: vlan389 [ 674.221945][ T7789] batman_adv: batadv0: The MTU of interface vlan389 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. [ 674.312391][ T7789] batman_adv: batadv0: Not using interface vlan389 (retrying later): interface not active 05:58:51 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa500, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 674.512612][ T7798] batman_adv: batadv0: Adding interface: vlan585 [ 674.536156][ T7798] batman_adv: batadv0: The MTU of interface vlan585 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:51 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xe9, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 674.612842][ T7798] batman_adv: batadv0: Not using interface vlan585 (retrying later): interface not active [ 674.643501][ T7800] batman_adv: batadv0: Interface activated: vlan585 05:58:51 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0x9effffff}}, 0x20}}, 0x0) 05:58:51 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa501, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:51 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0xf401, @dev}], 0x10) 05:58:51 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x6c, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:51 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xea, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 675.090397][ T7829] batman_adv: batadv0: Adding interface: vlan586 05:58:52 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa600, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 675.119446][ T7829] batman_adv: batadv0: The MTU of interface vlan586 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 675.155160][ T7829] batman_adv: batadv0: Not using interface vlan586 (retrying later): interface not active [ 675.188101][ T7831] batman_adv: batadv0: Adding interface: vlan390 [ 675.196074][ T7831] batman_adv: batadv0: The MTU of interface vlan390 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:52 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xeb, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 675.272553][ T7831] batman_adv: batadv0: Not using interface vlan390 (retrying later): interface not active [ 675.335294][ T7832] batman_adv: batadv0: Interface activated: vlan586 05:58:52 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xc3ffffff}}, 0x20}}, 0x0) 05:58:52 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x74, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:52 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa601, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:52 executing program 1: perf_event_open(&(0x7f0000000500)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, @perf_bp={0x0}}, 0xffffffffffffffff, 0x4, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x100005) r1 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r2, 0x29, 0x20, &(0x7f0000000000)={@initdev={0xfe, 0x88, [], 0x1, 0x0}, 0x0, 0x0, 0x3, 0x1, 0xfffb, 0xfffc, 0x400000000}, 0x20) r3 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r2, r3, &(0x7f00000001c0)=0x202, 0x4000000000dc) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280)='nbd\x00') sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000440)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40400240}, 0xc, &(0x7f0000000400)={&(0x7f0000000040)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r4, @ANYBLOB="080029bd7000ffdbdf25020000000c000300f40000000000000008d71bb6e9d082e739a11d4844cb"], 0x20}}, 0x240000d0) perf_event_open(&(0x7f0000000380)={0x1, 0x70, 0x0, 0x0, 0x80, 0x0, 0x0, 0x41c2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0xfffffffffffffffe}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r5 = openat$vcs(0xffffffffffffff9c, 0x0, 0x604100, 0x0) getsockopt$sock_cred(r5, 0x1, 0x11, 0x0, &(0x7f0000000100)) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000140), &(0x7f0000000180)=0xc) openat$procfs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/timer_list\x00', 0x0, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) 05:58:52 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa700, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:52 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xec, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:52 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r0) ioctl$sock_proto_private(r1, 0x89e7, &(0x7f0000000000)="a7fc6328c6a2cfd41e5f75871ef5c6d86a470b0965bcf862494da77511038f21abe5fe87dbe7cf5199fb91b2acbc82424960311323ba0b3b9d3076a03e24eb6a6c155aef31ede30d567e6d04b363c194ccefa3abdbf48d4dc562ce64ee0857bca397790ca5144a") 05:58:52 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0xfc00, @dev}], 0x10) [ 675.852805][ T7863] batman_adv: batadv0: Adding interface: vlan391 [ 675.870600][ T7863] batman_adv: batadv0: The MTU of interface vlan391 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. [ 675.947603][ T7863] batman_adv: batadv0: Not using interface vlan391 (retrying later): interface not active 05:58:52 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xed, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:52 executing program 1: r0 = gettid() ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x3c) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r1, 0xc00c642d, &(0x7f0000000000)={0x0, 0x80000, 0xffffffffffffffff}) ioctl$DRM_IOCTL_GET_UNIQUE(r2, 0xc0106401, &(0x7f00000001c0)={0xf3, &(0x7f0000000040)=""/243}) ptrace$setregs(0xd, r0, 0x40000000000, &(0x7f0000001140)="0153b64e6aa8a4ce84b33ee78198064f31f6fb7a85560334df54c24ea069e9fc1df845b4504947e7610d762e") ptrace$cont(0x20, r0, 0x0, 0x3) preadv(0xffffffffffffffff, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) mkdirat(0xffffffffffffffff, &(0x7f0000001340)='./file0\x00', 0x21) r3 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r3, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) sendmsg$nl_netfilter(r3, &(0x7f0000001300)={&(0x7f0000001180)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000012c0)={&(0x7f00000011c0)={0xf4, 0xb, 0x7, 0x301, 0x70bd2a, 0x25dfdbfe, {0xc, 0x0, 0x5}, [@generic="8b3081e857ae30318dc25137151c6057656ae8c3888f7176a848872c61f0e73ec581f2c9828339eba088c7e2fa64", @generic="eef02cc0b8a9b6c0adde801f5853b6ab7054775c22e81039322d96163a79fd0d0081719a7e742a4aa27dad403f190de053442ae8f5ee8f232f8d6e781f1d7653362c3217994663fa1ffe14c1e9b73af5c07e52d02c528d33b7ee739e932ef048e9e62198edc3870e12eee4e94add244eec113c4767c4f2f779ee8e3d59205807abd059bc216578945019ea7e38fb08e0fd87", @typed={0x8, 0x60, 0x0, 0x0, @ipv4=@private=0xa010100}, @nested={0x4, 0x16}, @typed={0x14, 0x43, 0x0, 0x0, @ipv6=@empty}]}, 0xf4}, 0x1, 0x0, 0x0, 0x20004084}, 0x800) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xe8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r0, 0x0, 0xffffffffffffffff, 0x0) close(0xffffffffffffffff) r4 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r4, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$SIOCNRDECOBS(r4, 0x89e2) [ 676.060121][ T7867] batman_adv: batadv0: Adding interface: vlan587 05:58:53 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa701, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 676.096040][ T7867] batman_adv: batadv0: The MTU of interface vlan587 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. 05:58:53 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x1, 0x1ff, &(0x7f0000000080)={0x0, 0x0}) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x40042409, 0x1) connect$unix(r0, &(0x7f0000000000)=@file={0x1, './file0\x00'}, 0x6e) close(r0) [ 676.202031][ T7867] batman_adv: batadv0: Not using interface vlan587 (retrying later): interface not active [ 676.272904][ T7872] batman_adv: batadv0: Interface activated: vlan587 [ 676.349328][ T7867] __nla_validate_parse: 8 callbacks suppressed [ 676.349340][ T7867] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:53 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xcbb7835d}}, 0x20}}, 0x0) 05:58:53 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xee, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:53 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa800, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:53 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x7a, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:53 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xf, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r2 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000040)='NLBL_CIPSOv4\x00') sendmsg$NLBL_CIPSOV4_C_LISTALL(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x268, r2, 0x1, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_CIPSOV4_A_MLSLVLLST={0x7c, 0x8, 0x0, 0x1, [{0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x60}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x19}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x51cca1c7}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb6}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xea}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x96}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x55ad5d25}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xfc}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x9e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x5f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x68}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5297d033}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0x100, 0x8, 0x0, 0x1, [{0x2c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x71f30961}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x68}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x8}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xee}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x47c54668}]}, {0x4c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x13}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xaa}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x32fc251c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3f}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x76a0d1f7}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc0}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa6}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x2d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x33399943}]}, {0x14, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3bf75b76}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xa}]}, {0x24, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x2f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x6d}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x1f}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xc0}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x47}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x71304776}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2a50e652}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x6d80aef2}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x65e78e43}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x2d}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x69eb417}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x49}]}]}, @NLBL_CIPSOV4_A_MLSLVLLST={0xd8, 0x8, 0x0, 0x1, [{0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x99}]}, {0x4c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xf}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x15}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x520151e5}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x442df3f3}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3e}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0xb}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x60}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x7ed84bc8}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x2e915539}]}, {0xc, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x33193294}]}, {0x3c, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x1206efe}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x3e14004c}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x45}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0xc8a3ddc}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x51}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x85}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x68}]}, {0x34, 0x7, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x30a8aec9}, @NLBL_CIPSOV4_A_MLSLVLREM={0x8, 0x6, 0x3c}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x45354d3e}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x487f7c04}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x5c2eeb58}, @NLBL_CIPSOV4_A_MLSLVLLOC={0x8, 0x5, 0x401a20c}]}]}]}, 0x268}, 0x1, 0x0, 0x0, 0x20000000}, 0xc34) close(r0) [ 676.584651][ T7910] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:53 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nvme-fabrics\x00', 0x6200, 0x0) setsockopt$inet_sctp6_SCTP_ADD_STREAMS(r0, 0x84, 0x79, &(0x7f0000000040)={0x0, 0x400, 0xffff}, 0x8) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r1) 05:58:53 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa801, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 676.732720][ T7913] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:53 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0xfe80, @dev}], 0x10) 05:58:53 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xef, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:53 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0x29, 0x7, 0x0) ioctl$FS_IOC_GET_ENCRYPTION_POLICY(r0, 0x400c6615, &(0x7f0000000100)={0x0, @adiantum}) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r2 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r2, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$TCSETX(r2, 0x5433, &(0x7f0000000000)={0x3, 0x3ff, [0x1, 0x40, 0xff, 0x0, 0x6], 0x3}) close(r1) [ 676.890753][ T7914] batman_adv: batadv0: Adding interface: vlan588 [ 676.905239][ T7914] batman_adv: batadv0: The MTU of interface vlan588 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 677.034242][ T7914] batman_adv: batadv0: Not using interface vlan588 (retrying later): interface not active 05:58:54 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xf0, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:54 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$KDSETMODE(r0, 0x4b3a, 0x1) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(0xffffffffffffffff, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xa, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r1}, &(0x7f0000000040)=0x20) setsockopt$inet_sctp6_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, &(0x7f0000000100)=@assoc_value={r1}, 0x8) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x10000567, 0x1}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r2) r3 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r3, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r4 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r4, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r5 = fcntl$dupfd(r3, 0x0, r4) ioctl$SNDRV_PCM_IOCTL_HW_REFINE(r5, 0xc2604110, &(0x7f0000001140)={0x7, [[0x9, 0x800, 0x3, 0x3, 0x7, 0x1f, 0xfffffffd], [0x0, 0x7, 0x5, 0x10001, 0x8989, 0x8ba1, 0xffffffc0, 0x3], [0x80000000, 0x789, 0x101, 0x1, 0x5, 0x2, 0x80000001, 0xd608]], [], [{0x81, 0x8, 0x0, 0x1, 0x0, 0x1}, {0x4, 0x4, 0x1, 0x0, 0x1}, {0x2, 0x3, 0x1, 0x1, 0x1, 0x1}, {0x80000001, 0x10001, 0x0, 0x1, 0x1}, {0x305, 0x7, 0x1, 0x1, 0x1, 0x1}, {0x8, 0x5, 0x0, 0x1}, {0x6, 0x80000001, 0x1}, {0x800, 0x200, 0x0, 0x1, 0x0, 0x1}, {0x7, 0x9, 0x1, 0x1, 0x1, 0x1}, {0x33, 0x1, 0x1, 0x1, 0x1, 0x1}, {0x3f, 0x81, 0x1, 0x0, 0x1, 0x1}, {0xceb, 0x10001, 0x1}], [], 0x3}) r6 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r6, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) ioctl$KVM_GET_PIT(r6, 0xc048ae65, &(0x7f00000013c0)) getsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r2, 0x84, 0x7, &(0x7f0000000000), &(0x7f0000000040)=0x4) [ 677.163248][ T7918] batman_adv: batadv0: Adding interface: vlan392 [ 677.196806][ T7918] batman_adv: batadv0: The MTU of interface vlan392 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 677.323238][ T7918] batman_adv: batadv0: Not using interface vlan392 (retrying later): interface not active [ 677.356112][ T7919] batman_adv: batadv0: Interface activated: vlan588 [ 677.377289][ T7914] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:54 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xf0ffffff}}, 0x20}}, 0x0) 05:58:54 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa900, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:54 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x6, 0x0, 0x0, 0x0, 0x40101, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x10}, 0x4022, 0x0, 0x0, 0x0, 0x1000, 0x0, 0xfffd}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000700)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x9849}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) memfd_create(0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/igmp\x00') r1 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000840)='/dev/ttyS3\x00', 0x802, 0x0) sendfile(r1, r0, 0x0, 0x7ffff000) ioctl$EVIOCRMFF(0xffffffffffffffff, 0x40044581, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r2) r4 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r4, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) getsockopt$TIPC_DEST_DROPPABLE(r4, 0x10f, 0x81, &(0x7f0000000040), &(0x7f0000000100)=0x4) r5 = dup3(r3, 0xffffffffffffffff, 0x0) ioctl$KVM_S390_VCPU_FAULT(r5, 0x4008ae52, &(0x7f0000000000)=0x5) 05:58:54 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0xf0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:54 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xf1, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 677.541122][ T7960] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 677.609589][ T7962] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:54 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xa901, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:54 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xf2, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 677.804329][ T7967] batman_adv: batadv0: Adding interface: vlan393 [ 677.869316][ T7967] batman_adv: batadv0: The MTU of interface vlan393 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:54 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0xfec0, @dev}], 0x10) 05:58:54 executing program 1: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) r1 = semget$private(0x0, 0x20000000102, 0x0) semop(r1, &(0x7f00000000c0)=[{0x1, 0x0, 0xc00}, {0x0, 0x4, 0x800}, {}], 0x3) semop(r1, &(0x7f0000000100)=[{0x2, 0xffff}], 0x1) semtimedop(r1, &(0x7f0000000000)=[{0x0, 0xec00}], 0x1, 0x0) semop(r1, &(0x7f0000000080)=[{0x0, 0x9}], 0x1) semctl$IPC_STAT(r1, 0x0, 0x2, &(0x7f00000001c0)=""/4096) close(r0) [ 678.019441][ T7967] batman_adv: batadv0: Not using interface vlan393 (retrying later): interface not active 05:58:55 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xaa00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:55 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xf3, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 678.165795][ T7970] batman_adv: batadv0: Adding interface: vlan589 [ 678.179904][ T7970] batman_adv: batadv0: The MTU of interface vlan589 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 678.234329][ T7970] batman_adv: batadv0: Not using interface vlan589 (retrying later): interface not active [ 678.283681][ T7971] batman_adv: batadv0: Interface activated: vlan589 [ 678.345113][ T7970] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:55 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x27a, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:55 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xfcffffff}}, 0x20}}, 0x0) 05:58:55 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xaa01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:55 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xf4, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 678.590702][ T8006] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 678.795294][ T8009] batman_adv: batadv0: Adding interface: vlan394 [ 678.833055][ T8009] batman_adv: batadv0: The MTU of interface vlan394 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:55 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xab00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:55 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0xff00, @dev}], 0x10) [ 678.978166][ T8009] batman_adv: batadv0: Not using interface vlan394 (retrying later): interface not active 05:58:55 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xf5, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 679.069753][ T8008] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 679.315761][ T8014] batman_adv: batadv0: Adding interface: vlan590 05:58:56 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xab01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 679.350801][ T8014] batman_adv: batadv0: The MTU of interface vlan590 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. 05:58:56 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xf6, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 679.475144][ T8014] batman_adv: batadv0: Not using interface vlan590 (retrying later): interface not active 05:58:56 executing program 1: r0 = perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r1) preadv(0xffffffffffffffff, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r3 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r3, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r4 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r4, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r5 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r5, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r6 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r6, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r7 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r7, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r8 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r8, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) r9 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000600)='/proc/self/net/pfkey\x00', 0x200, 0x0) sendmsg$netlink(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f00000000c0)=@proc={0x10, 0x0, 0x25dfdbff, 0x20000000}, 0xc, &(0x7f0000000340)=[{&(0x7f0000000100)={0x2c, 0x30, 0x10, 0x70bd28, 0x25dfdbfb, "", [@typed={0x4, 0x71}, @nested={0x18, 0x42, 0x0, 0x1, [@typed={0x8, 0x65, 0x0, 0x0, @uid}, @typed={0xc, 0x7e, 0x0, 0x0, @u64=0x1000}]}]}, 0x2c}, {&(0x7f00000001c0)={0x14c, 0x3c, 0x400, 0x70bd2a, 0x25dfdbfd, "", [@nested={0xa4, 0x41, 0x0, 0x1, [@typed={0x9d, 0x2e, 0x0, 0x0, @binary="0bcaf64a27d23666569c12c728287509b29c85ace2649a9e960413d464ead64c63b3a13c82f8acc7f3687859eaa8c009d75a8dcf47390047a7bdd6ddab1c6ab49d4948cb28e19e53400078cb98e2856f94589565004aab8fdc21aea39f4f5c3231ff8f76427d710d0cb3c829a7b01655164d635ba9b3b0720d42043ff9707dcdbd85949e0470ada73ea13150d580ef3c60b1ec964ab9f23096"}]}, @generic="8225d534e1bf5b1e7788283f22d22944053fb7739459ab2548eadc383e42d263439a2a28c12ebd955f3c073f06b68f012687b028d48ba74e1f4eb13389828e745b0a9f41098aec015e8402ce67e6193ffa9879fec897fef5f264e298947b0a3c27afc2c68fdf67bf7691980bcba1746f9532a22abb966c1eb5005f8397c4324d95a26a67b36abb36f5c7af989b7e415eaec14e8d6d78"]}, 0x14c}], 0x2, &(0x7f0000000640)=[@cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xee01}}}, @cred={{0x1c}}, @cred={{0x1c}}, @cred={{0x1c}}, @rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, r0, r0, r2, 0xffffffffffffffff]}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, r3, r4, r5]}}, @rights={{0x14, 0x1, 0x1, [r6]}}, @rights={{0x14, 0x1, 0x1, [r7]}}, @rights={{0x20, 0x1, 0x1, [r0, r8, r1, r9]}}], 0x138, 0x1}, 0xc0400d1) r10 = openat$proc_capi20(0xffffffffffffff9c, &(0x7f0000000000)='/proc/capi/capi20\x00', 0x10100, 0x0) ioctl$SNDRV_PCM_IOCTL_DRAIN(r10, 0x4144, 0x0) [ 679.522732][ T8017] batman_adv: batadv0: Interface activated: vlan590 [ 679.582956][ T8044] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:56 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xac00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:56 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x300, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:56 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xfeffffff}}, 0x20}}, 0x0) 05:58:56 executing program 1: r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) connect$inet6(r0, &(0x7f0000000000)={0x1c, 0x1c, 0x3}, 0x1c) r1 = dup2(r0, r0) setsockopt$inet_sctp_SCTP_DELAYED_SACK(r1, 0x84, 0xf, &(0x7f0000000100), 0xc) 05:58:56 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xf7, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 679.990627][ T8062] batman_adv: batadv0: Adding interface: vlan395 [ 680.039930][ T8062] batman_adv: batadv0: The MTU of interface vlan395 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. 05:58:56 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xac01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:56 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xa}}], 0x10) 05:58:57 executing program 1: [ 680.221430][ T8062] batman_adv: batadv0: Not using interface vlan395 (retrying later): interface not active 05:58:57 executing program 1: 05:58:57 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xf8, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 680.456898][ T8072] batman_adv: batadv0: Adding interface: vlan591 05:58:57 executing program 1: [ 680.483929][ T8072] batman_adv: batadv0: The MTU of interface vlan591 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. 05:58:57 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xad00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:57 executing program 1: [ 680.602866][ T8072] batman_adv: batadv0: Not using interface vlan591 (retrying later): interface not active [ 680.648073][ T8076] batman_adv: batadv0: Interface activated: vlan591 05:58:57 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x32a, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:58:57 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xffffa888}}, 0x20}}, 0x0) 05:58:57 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xf9, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:57 executing program 1: 05:58:57 executing program 1: 05:58:58 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xad01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:58 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x2}}], 0x10) 05:58:58 executing program 1: 05:58:58 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xfa, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 681.157906][ T8111] batman_adv: batadv0: Adding interface: vlan396 [ 681.211769][ T8111] batman_adv: batadv0: The MTU of interface vlan396 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. 05:58:58 executing program 1: [ 681.315745][ T8111] batman_adv: batadv0: Not using interface vlan396 (retrying later): interface not active 05:58:58 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xae00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:58 executing program 1: [ 681.426786][ T8112] batman_adv: batadv0: Adding interface: vlan592 [ 681.481981][ T8112] batman_adv: batadv0: The MTU of interface vlan592 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 681.621804][ T8112] batman_adv: batadv0: Not using interface vlan592 (retrying later): interface not active 05:58:58 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x398, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 681.662588][ T8112] __nla_validate_parse: 5 callbacks suppressed [ 681.662599][ T8112] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:58 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xfffff000}}, 0x20}}, 0x0) 05:58:58 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xfb, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:58 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xae01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:58 executing program 1: 05:58:58 executing program 1: [ 681.822090][ T8147] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 682.040288][ T8152] batman_adv: batadv0: Adding interface: vlan397 [ 682.059857][ T8152] batman_adv: batadv0: The MTU of interface vlan397 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 682.132853][ T8152] batman_adv: batadv0: Not using interface vlan397 (retrying later): interface not active [ 682.161548][ T8151] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:59 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x4}}], 0x10) 05:58:59 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xfc, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:59 executing program 1: 05:58:59 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xaf00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 682.337121][ T8156] batman_adv: batadv0: Adding interface: vlan593 05:58:59 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_NMI(r4, 0xae9a) mlock(&(0x7f0000001000/0x3000)=nil, 0x3000) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 682.371945][ T8156] batman_adv: batadv0: The MTU of interface vlan593 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:58:59 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xaf01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 682.444323][ T8156] batman_adv: batadv0: Not using interface vlan593 (retrying later): interface not active 05:58:59 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x3aa, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 682.501223][ T8156] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:58:59 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xfd, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:59 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xffffff7f}}, 0x20}}, 0x0) 05:58:59 executing program 1: r0 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r0, &(0x7f0000000040)={0x2, 0x0, @remote}, 0x10) r1 = socket(0x400000000000010, 0x802, 0x0) write(r1, &(0x7f00000000c0)="24000000200099f0003be90000ed190e020008160000100000ba1080080002007f196be0", 0x24) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r3 = socket$inet(0x2, 0xa, 0x0) r4 = fcntl$dupfd(r2, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000000), 0x10) [ 682.672126][ T8188] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:58:59 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb000, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:58:59 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xfe, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 682.872894][ T8192] batman_adv: batadv0: Adding interface: vlan398 [ 682.902065][ T8192] batman_adv: batadv0: The MTU of interface vlan398 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. [ 682.933715][ T8208] sock: process `syz-executor.1' is using obsolete setsockopt SO_BSDCOMPAT [ 683.004427][ T8192] batman_adv: batadv0: Not using interface vlan398 (retrying later): interface not active [ 683.054015][ T8195] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:00 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x6}}], 0x10) 05:59:00 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb001, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:00 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x102, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 683.251791][ T8204] batman_adv: batadv0: Adding interface: vlan594 [ 683.267311][ T8204] batman_adv: batadv0: The MTU of interface vlan594 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. [ 683.354255][ T8204] batman_adv: batadv0: Not using interface vlan594 (retrying later): interface not active [ 683.398372][ T8206] batman_adv: batadv0: Interface activated: vlan594 05:59:00 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb100, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:00 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x103, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 683.456779][ T8231] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:00 executing program 1: r0 = socket$inet6(0xa, 0x3, 0x6b) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000007c0)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000034c0)=@newtfilter={0x30, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r5, {}, {}, {0x8}}, [@filter_kind_options=@f_u32={{0x8, 0x1, 'u32\x00'}, {0x4}}]}, 0x30}}, 0x0) bpf$BPF_BTF_LOAD(0x12, 0x0, 0x0) 05:59:00 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x3ce, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:00 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xffffff9e}}, 0x20}}, 0x0) [ 683.649942][ T8238] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:59:00 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x104, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:00 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb101, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 683.797434][ T8242] batman_adv: batadv0: Adding interface: vlan399 [ 683.831889][ T8242] batman_adv: batadv0: The MTU of interface vlan399 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. [ 683.931111][ T8242] batman_adv: batadv0: Not using interface vlan399 (retrying later): interface not active [ 683.965991][ T8244] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 05:59:00 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x105, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 684.085256][ T8243] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:01 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb200, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:01 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x8}}], 0x10) [ 684.230354][ T8252] batman_adv: batadv0: Adding interface: vlan595 [ 684.253194][ T8252] batman_adv: batadv0: The MTU of interface vlan595 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. [ 684.346396][ T8252] batman_adv: batadv0: Not using interface vlan595 (retrying later): interface not active 05:59:01 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x106, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:01 executing program 1: perf_event_open(&(0x7f0000000480)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000ac0)=@sack_info={0x0, 0x0, 0x32}, 0xc) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e23, 0xffff, @loopback}, 0x1c) r2 = open(&(0x7f00000001c0)='./file0\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) preadv(0xffffffffffffffff, &(0x7f00000017c0), 0x3da, 0x0, 0x0) ioctl$KDFONTOP_GET(0xffffffffffffffff, 0x4b72, 0x0) ftruncate(r2, 0x200004) sendfile(r0, r2, 0x0, 0x80001d00c0d0) ioctl$HDIO_GETGEO(0xffffffffffffffff, 0x1261, 0x0) ioctl$VIDIOC_QUERYBUF(0xffffffffffffffff, 0xc0585609, 0x0) setsockopt$inet_sctp_SCTP_AUTH_DEACTIVATE_KEY(0xffffffffffffffff, 0x84, 0x23, 0x0, 0x0) 05:59:01 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xffffffc3}}, 0x20}}, 0x0) 05:59:01 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x3ee, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:01 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb201, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:01 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x107, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 684.893596][ T8291] batman_adv: batadv0: Adding interface: vlan596 [ 684.936441][ T8291] batman_adv: batadv0: The MTU of interface vlan596 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 685.164786][ T8291] batman_adv: batadv0: Not using interface vlan596 (retrying later): interface not active 05:59:02 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb300, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:02 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0xa}}], 0x10) [ 685.283775][ T8296] batman_adv: batadv0: Interface activated: vlan596 05:59:02 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x108, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 685.469514][ T27] audit: type=1800 audit(1596520742.332:18): pid=8286 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.1" name="file0" dev="sda1" ino=15939 res=0 [ 685.485324][ T8295] batman_adv: batadv0: Adding interface: vlan400 [ 685.501922][ T8295] batman_adv: batadv0: The MTU of interface vlan400 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:59:02 executing program 1: perf_event_open(&(0x7f0000000480)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000ac0)=@sack_info={0x0, 0x0, 0x32}, 0xc) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e23, 0xffff, @loopback}, 0x1c) r2 = open(&(0x7f00000001c0)='./file0\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) preadv(0xffffffffffffffff, &(0x7f00000017c0), 0x3da, 0x0, 0x0) ioctl$KDFONTOP_GET(0xffffffffffffffff, 0x4b72, 0x0) ftruncate(r2, 0x200004) sendfile(r0, r2, 0x0, 0x80001d00c0d0) ioctl$HDIO_GETGEO(0xffffffffffffffff, 0x1261, 0x0) ioctl$VIDIOC_QUERYBUF(0xffffffffffffffff, 0xc0585609, 0x0) setsockopt$inet_sctp_SCTP_AUTH_DEACTIVATE_KEY(0xffffffffffffffff, 0x84, 0x23, 0x0, 0x0) 05:59:02 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb301, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 685.620726][ T8295] batman_adv: batadv0: Not using interface vlan400 (retrying later): interface not active 05:59:02 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xfffffff0}}, 0x20}}, 0x0) 05:59:02 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x3f4, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:02 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x109, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:02 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb400, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 686.223036][ T8336] batman_adv: batadv0: Adding interface: vlan597 [ 686.295510][ T8336] batman_adv: batadv0: The MTU of interface vlan597 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. 05:59:03 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb401, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:03 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0xc}}], 0x10) [ 686.470226][ T8336] batman_adv: batadv0: Not using interface vlan597 (retrying later): interface not active 05:59:03 executing program 1: [ 686.605877][ T8343] batman_adv: batadv0: Adding interface: vlan401 05:59:03 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb500, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 686.636858][ T8343] batman_adv: batadv0: The MTU of interface vlan401 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. 05:59:03 executing program 1: [ 686.768741][ T8343] batman_adv: batadv0: Not using interface vlan401 (retrying later): interface not active 05:59:03 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x10a, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 686.822710][ T8339] __nla_validate_parse: 7 callbacks suppressed [ 686.822722][ T8339] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:03 executing program 1: r0 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r0, &(0x7f0000000040)={0x2, 0x0, @remote}, 0x10) r1 = socket(0x400000000000010, 0x802, 0x0) write(r1, &(0x7f00000000c0)="24000000200099f0003be90000ed190e020008160000100000ba1080080002007f196be0", 0x24) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r3 = socket$inet(0x2, 0xa, 0x0) r4 = fcntl$dupfd(r2, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) setsockopt$sock_int(r0, 0x1, 0x15, &(0x7f0000000000)=0x8, 0x10) 05:59:03 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x500, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:03 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xfffffffc}}, 0x20}}, 0x0) 05:59:03 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb501, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 687.051644][ T8377] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:59:04 executing program 1: r0 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r0, &(0x7f0000000040)={0x2, 0x0, @remote}, 0x10) r1 = socket(0x400000000000010, 0x802, 0x0) write(r1, &(0x7f00000000c0)="24000000200099f0003be90000ed190e020008160000100000ba1080080002007f196be0", 0x24) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r3 = socket$inet(0x2, 0xa, 0x0) r4 = fcntl$dupfd(r2, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) setsockopt$sock_int(r0, 0x1, 0x15, &(0x7f0000000000)=0x8, 0x10) [ 687.164060][ T8384] batman_adv: batadv0: Adding interface: vlan402 [ 687.172821][ T8384] batman_adv: batadv0: The MTU of interface vlan402 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. [ 687.243395][ T8384] batman_adv: batadv0: Not using interface vlan402 (retrying later): interface not active [ 687.262123][ T8385] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:04 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x10b, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 687.375208][ T8391] batman_adv: batadv0: Adding interface: vlan598 05:59:04 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb600, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 687.401159][ T8391] batman_adv: batadv0: The MTU of interface vlan598 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. [ 687.436079][ T8391] batman_adv: batadv0: Not using interface vlan598 (retrying later): interface not active [ 687.481268][ T8391] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:04 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0xe}}], 0x10) 05:59:04 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x600, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:04 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$vsock(0xffffffffffffff9c, 0x0, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$inet6_sctp(0xa, 0x1, 0x84) socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3ff, 0x0, 0xd0}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x118a8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xfe800000, @loopback}, 0x1c) 05:59:04 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xfffffffe}}, 0x20}}, 0x0) [ 687.689535][ T8414] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:59:04 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x10c, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 687.753368][ T8414] batman_adv: batadv0: Adding interface: vlan403 [ 687.834897][ T8414] batman_adv: batadv0: The MTU of interface vlan403 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. [ 687.959847][ T8414] batman_adv: batadv0: Not using interface vlan403 (retrying later): interface not active [ 688.167032][ T8427] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 688.332886][ T8428] batman_adv: batadv0: Adding interface: vlan599 [ 688.356491][ T8428] batman_adv: batadv0: The MTU of interface vlan599 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. 05:59:05 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb601, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 688.514505][ T8428] batman_adv: batadv0: Not using interface vlan599 (retrying later): interface not active 05:59:05 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x10d, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:06 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x10}}], 0x10) 05:59:06 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb700, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:06 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x700, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:06 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483, 0xffffffff}}, 0x20}}, 0x0) [ 689.706440][ T8427] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:06 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x10e, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:06 executing program 1: syz_mount_image$msdos(&(0x7f0000000040)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="040005090000000066617400040409000200027400f801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[]) chdir(&(0x7f0000000240)='./file1\x00') creat(&(0x7f0000000100)='./bus\x00', 0x0) stat(&(0x7f0000000000)='./bus\x00', &(0x7f0000000180)) [ 689.831474][ T8456] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 689.894996][ T8458] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 690.040895][ T8462] batman_adv: batadv0: Adding interface: vlan404 05:59:06 executing program 1: r0 = socket$inet_udplite(0x2, 0x2, 0x88) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$SNDRV_CTL_IOCTL_ELEM_READ(0xffffffffffffffff, 0xc4c85512, &(0x7f00000000c0)={{0x0, 0x0, 0x0, 0x0, 'syz1\x00'}, 0x0, [0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5]}) syz_read_part_table(0x0, 0x1bf, &(0x7f0000000080)=[{&(0x7f0000000000)="02010500000001000000ff07000000fffffffd000800000000000000004000ffffff8500000000000000887700720030b5829237c300000000000080000055aa", 0x40, 0x1c0}]) [ 690.067976][ T8462] batman_adv: batadv0: The MTU of interface vlan404 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. 05:59:06 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x10f, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:07 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb701, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 690.121958][ T8462] batman_adv: batadv0: Not using interface vlan404 (retrying later): interface not active [ 690.162122][ T8467] batman_adv: batadv0: Adding interface: vlan600 [ 690.168695][ T8467] batman_adv: batadv0: The MTU of interface vlan600 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. [ 690.230150][ T8467] batman_adv: batadv0: Not using interface vlan600 (retrying later): interface not active [ 690.288452][ T8470] batman_adv: batadv0: Interface activated: vlan600 [ 690.344549][ T8467] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:07 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x900, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:07 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={0x0, 0x0, 0x0}, 0x0) 05:59:07 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0xa}}, 0x0) 05:59:07 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x12}}], 0x10) 05:59:07 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb800, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:07 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x110, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:07 executing program 1: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x200000000000013, &(0x7f0000000000)=0x400100000001, 0x36a) connect$inet6(r2, &(0x7f0000000280)={0xa, 0x0, 0x0, @empty}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(r2, 0x6, 0x16, &(0x7f0000000440), 0x12f7e5) clone(0x2000000002000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r3 = gettid() setsockopt$inet6_tcp_int(r2, 0x6, 0x12, &(0x7f0000000040), 0x4) ptrace$setopts(0x4206, r3, 0x0, 0x0) wait4(0xffffffffffffffff, 0x0, 0x0, 0x0) [ 690.667143][ T8501] batman_adv: batadv0: Adding interface: vlan405 [ 690.717152][ T8501] batman_adv: batadv0: The MTU of interface vlan405 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. [ 690.842318][ T8501] batman_adv: batadv0: Not using interface vlan405 (retrying later): interface not active 05:59:07 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x111, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:07 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb801, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 691.063600][ T8506] batman_adv: batadv0: Adding interface: vlan601 [ 691.091147][ T8506] batman_adv: batadv0: The MTU of interface vlan601 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. [ 691.213704][ T8506] batman_adv: batadv0: Not using interface vlan601 (retrying later): interface not active 05:59:08 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x112, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:08 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0xd}}, 0x0) 05:59:08 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0xa00, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:08 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb900, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:08 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xb901, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:08 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x113, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:08 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x2}}], 0x10) [ 691.752923][ T8545] batman_adv: batadv0: Adding interface: vlan602 [ 691.785784][ T8545] batman_adv: batadv0: The MTU of interface vlan602 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. [ 691.933279][ T8545] batman_adv: batadv0: Not using interface vlan602 (retrying later): interface not active 05:59:08 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x114, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:08 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xba00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 692.042346][ T8548] batman_adv: batadv0: Adding interface: vlan406 [ 692.084504][ T8548] batman_adv: batadv0: The MTU of interface vlan406 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. [ 692.186658][ T8548] batman_adv: batadv0: Not using interface vlan406 (retrying later): interface not active 05:59:09 executing program 1: r0 = socket$inet(0x2, 0xa, 0x0) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(r0, 0x89f0, &(0x7f0000000080)={'gre0\x00', &(0x7f0000001280)={'syztnl1\x00', 0x0, 0x1, 0x0, 0x0, 0x0, {{0x5, 0x4, 0x0, 0x0, 0x14, 0x0, 0x0, 0x0, 0x0, 0x0, @multicast1, @loopback}}}}) [ 692.231164][ T8545] __nla_validate_parse: 5 callbacks suppressed [ 692.231175][ T8545] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:09 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0xc00, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:09 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xba01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:09 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x115, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:09 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0xf}}, 0x0) 05:59:09 executing program 1: r0 = socket$inet(0x2, 0xa, 0x0) flock(r0, 0xe97e636a3e644035) r1 = socket$inet(0x2, 0xa, 0x0) dup3(r1, r0, 0x0) [ 692.488690][ T8587] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 692.606705][ T8585] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:59:09 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x116, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:09 executing program 1: openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/stat\x00', 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000001980)=[{{0x0, 0x0, &(0x7f0000001300)=[{0x0}], 0x1}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='fd/3\x00') preadv(r0, &(0x7f00000017c0), 0x2b, 0x0, 0x0) 05:59:09 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xbb00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:09 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x4}}], 0x10) [ 692.845414][ T8588] batman_adv: batadv0: Adding interface: vlan603 05:59:09 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x117, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:09 executing program 1: r0 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r0, &(0x7f0000000040)={0x2, 0x0, @remote}, 0x10) socket(0x400000000000010, 0x802, 0x0) write(0xffffffffffffffff, &(0x7f00000000c0)="24000000200099f0003be90000ed190e020008160000100000ba1080080002007f196be0", 0x24) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r2 = socket$inet(0x2, 0xa, 0x0) r3 = fcntl$dupfd(r1, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) setsockopt$sock_int(r0, 0x1, 0x15, &(0x7f0000000000), 0xf) [ 692.875728][ T8588] batman_adv: batadv0: The MTU of interface vlan603 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 693.023022][ T8588] batman_adv: batadv0: Not using interface vlan603 (retrying later): interface not active 05:59:09 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x118, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 693.105042][ T8590] batman_adv: batadv0: Adding interface: vlan407 [ 693.130086][ T8590] batman_adv: batadv0: The MTU of interface vlan407 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. [ 693.197072][ T8590] batman_adv: batadv0: Not using interface vlan407 (retrying later): interface not active [ 693.230133][ T8588] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:10 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0xe00, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:10 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xbb01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:10 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x10}}, 0x0) 05:59:10 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) bind$alg(r0, &(0x7f0000000180)={0x26, 'hash\x00', 0x0, 0x0, 'cmac(aes-generic)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000140)="b98ddc3c61ccc99a30a7d3b4731ab23a2233cfd3f66ac163", 0x18) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f0000008a80)=[{0x0, 0x0, 0x0}], 0x600, 0x0) 05:59:10 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x119, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 693.446886][ T8637] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:10 executing program 1: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x7, 0x4031, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x201608, 0x0, 0x0, 0x0) [ 693.556161][ T8642] batman_adv: batadv0: Adding interface: vlan604 [ 693.564104][ T8642] batman_adv: batadv0: The MTU of interface vlan604 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:59:10 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xbc00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 693.598423][ T8642] batman_adv: batadv0: Not using interface vlan604 (retrying later): interface not active [ 693.614234][ T8639] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 693.704132][ T8656] mmap: syz-executor.1 (8656) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.rst. [ 693.743221][ T8650] batman_adv: batadv0: Adding interface: vlan408 05:59:10 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x11a, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 693.751210][ T8650] batman_adv: batadv0: The MTU of interface vlan408 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:59:10 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x6}}], 0x10) 05:59:10 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xbc01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 693.851166][ T8650] batman_adv: batadv0: Not using interface vlan408 (retrying later): interface not active [ 693.918674][ T8642] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:10 executing program 1: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x0) r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'syzkaller1\x00', 0x1}) r1 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_inet_SIOCSIFADDR(r1, 0x8916, &(0x7f0000000180)={'syzkaller1\x00', {0x2, 0x0, @local}}) r2 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x10) connect$inet(r2, &(0x7f0000000200)={0x2, 0x0, @multicast1}, 0x10) r3 = socket$inet6_udp(0xa, 0x2, 0x0) r4 = dup(r3) dup2(r4, r0) 05:59:10 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x25}}, 0x0) 05:59:10 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0xffe, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:11 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x11b, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:11 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xbd00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 694.218175][ T8684] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 694.359997][ T8686] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:11 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$vsock(0xffffffffffffff9c, 0x0, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3ff, 0x0, 0xd0}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x118a8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xfe800000, @loopback}, 0x1c) [ 694.554334][ T8693] batman_adv: batadv0: Adding interface: vlan409 [ 694.598016][ T8693] batman_adv: batadv0: The MTU of interface vlan409 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 694.694532][ T8693] batman_adv: batadv0: Not using interface vlan409 (retrying later): interface not active [ 694.766111][ T8692] batman_adv: batadv0: Adding interface: vlan605 [ 694.794211][ T8692] batman_adv: batadv0: The MTU of interface vlan605 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 694.897864][ T8692] batman_adv: batadv0: Not using interface vlan605 (retrying later): interface not active [ 694.947030][ T8698] batman_adv: batadv0: Interface activated: vlan605 [ 695.046905][ T8720] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:12 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xbd01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:12 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x11c, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:12 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x11d, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:12 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x2f}}, 0x0) 05:59:12 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x8}}], 0x10) 05:59:12 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xbe00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:12 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x1200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:12 executing program 1: r0 = creat(&(0x7f0000000000)='./file0\x00', 0x0) close(r0) socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000200)={0x0, @in6={{0xa, 0x0, 0x0, @local}}}, 0x90) [ 695.748646][ T8733] batman_adv: batadv0: Adding interface: vlan606 [ 695.802529][ T8733] batman_adv: batadv0: The MTU of interface vlan606 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:59:12 executing program 1: syz_mount_image$msdos(&(0x7f0000000040)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="040005090000000066617400040409000200027400f801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[]) chdir(&(0x7f0000000240)='./file1\x00') mkdir(&(0x7f0000000040)='./file0\x00', 0x0) mount$overlay(0x0, &(0x7f0000000200)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='lowerdir=.:']) 05:59:12 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x11e, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 695.943109][ T8733] batman_adv: batadv0: Not using interface vlan606 (retrying later): interface not active 05:59:12 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xbe01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 695.992604][ T8742] batman_adv: batadv0: Interface activated: vlan606 [ 696.098956][ T8762] overlayfs: empty lowerdir 05:59:13 executing program 1: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) recvmsg(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x10142) [ 696.172881][ T8755] batman_adv: batadv0: Adding interface: vlan410 [ 696.217375][ T8755] batman_adv: batadv0: The MTU of interface vlan410 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. 05:59:13 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x11f, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 696.280431][ T8755] batman_adv: batadv0: Not using interface vlan410 (retrying later): interface not active 05:59:13 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x48}}, 0x0) 05:59:13 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xbf00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:13 executing program 1: syz_mount_image$msdos(&(0x7f0000000040)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="040005090000000066617400040409000200027400f801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[]) chdir(&(0x7f0000000240)='./file1\x00') r0 = open(&(0x7f0000000140)='.\x00', 0x0, 0x0) getdents(r0, &(0x7f0000000400)=""/4096, 0x18) [ 696.676456][ T8787] batman_adv: batadv0: Adding interface: vlan607 [ 696.695617][ T8787] batman_adv: batadv0: The MTU of interface vlan607 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. 05:59:13 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0xa}}], 0x10) 05:59:13 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x2000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:13 executing program 1: syz_mount_image$msdos(&(0x7f0000000040)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f00000000c0)="040005090000000066617400040409000200027400f801", 0x17}], 0x0, &(0x7f00000004c0)=ANY=[]) chdir(&(0x7f0000000240)='./file1\x00') r0 = open(&(0x7f0000000140)='.\x00', 0x0, 0x0) ioctl$FITRIM(r0, 0x82307201, &(0x7f0000000000)) 05:59:13 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x120, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:13 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xbf01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 696.828528][ T8787] batman_adv: batadv0: Not using interface vlan607 (retrying later): interface not active [ 696.884409][ T8791] batman_adv: batadv0: Interface activated: vlan607 05:59:13 executing program 1: prlimit64(0x0, 0x0, 0x0, 0x0) getpgid(0x0) pipe(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = signalfd(0xffffffffffffffff, &(0x7f0000000100), 0x8) splice(r1, 0x0, r0, 0x0, 0x8ec3, 0x0) timer_create(0x0, &(0x7f0000000500)={0x0, 0x12, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000080)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) timer_create(0x0, &(0x7f0000000000)={0x0, 0x14}, &(0x7f0000000040)=0x0) timer_settime(r2, 0x0, &(0x7f0000000180)={{0x0, 0x989680}, {0x0, 0x1c9c380}}, 0x0) 05:59:13 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x121, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 697.068727][ T8805] batman_adv: batadv0: Adding interface: vlan411 05:59:14 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc000, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 697.102032][ T8805] batman_adv: batadv0: The MTU of interface vlan411 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 697.205438][ T8805] batman_adv: batadv0: Not using interface vlan411 (retrying later): interface not active [ 697.256648][ T8787] __nla_validate_parse: 5 callbacks suppressed [ 697.256660][ T8787] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:14 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x122, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:14 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x60}}, 0x0) 05:59:14 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc001, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:14 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x2a03, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) [ 697.459024][ T8828] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 697.648826][ T8833] batman_adv: batadv0: Adding interface: vlan412 [ 697.668328][ T8833] batman_adv: batadv0: The MTU of interface vlan412 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:59:14 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0xc}}], 0x10) 05:59:14 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x123, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:14 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc100, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 697.765689][ T8833] batman_adv: batadv0: Not using interface vlan412 (retrying later): interface not active [ 697.803266][ T8832] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 697.988818][ T8836] batman_adv: batadv0: Adding interface: vlan608 05:59:14 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x124, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 698.020824][ T8836] batman_adv: batadv0: The MTU of interface vlan608 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. 05:59:15 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc101, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 698.107232][ T8836] batman_adv: batadv0: Not using interface vlan608 (retrying later): interface not active [ 698.136431][ T8840] batman_adv: batadv0: Interface activated: vlan608 [ 698.187035][ T8836] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:16 executing program 1: perf_event_open(&(0x7f00000000c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x40000080806, 0x0) setsockopt$inet6_int(r0, 0x29, 0xb, &(0x7f00000000c0)=0xfffffffc, 0x4) bind$inet6(r0, &(0x7f000047b000)={0xa, 0x404e20, 0x0, @empty}, 0x1c) listen(r0, 0x400000001ffffffd) r1 = socket$inet6(0xa, 0x6, 0x0) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x37, &(0x7f0000000200)=ANY=[@ANYBLOB="010b000000000000c204000000060000000000000000010900000000000000000007343ffcdb7df4ac1a45c7c68aee4eccad540bdccc20e8f33c4b9095260d30f3b46c9d783c7911279c923904010200"/91], 0x68) r2 = socket$bt_bnep(0x1f, 0x3, 0x4) setsockopt$sock_int(r2, 0x1, 0x2d, 0x0, 0x0) listen(0xffffffffffffffff, 0x0) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) r3 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg(r3, &(0x7f0000003d40)=[{{0x0, 0xffffffbf, 0x0, 0x0, 0x0, 0x0, 0xe}}], 0x4000000000000d0, 0x0) 05:59:16 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x3e00, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:16 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0xc0}}, 0x0) 05:59:16 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x125, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:16 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc200, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:16 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0xe}}], 0x10) [ 700.148931][ T8876] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 700.273966][ T27] audit: type=1400 audit(1596520757.142:19): avc: denied { name_bind } for pid=8878 comm="syz-executor.1" src=20000 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 [ 700.285893][ T8879] batman_adv: batadv0: Adding interface: vlan609 [ 700.332362][ T8879] batman_adv: batadv0: The MTU of interface vlan609 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 700.374828][ T27] audit: type=1400 audit(1596520757.172:20): avc: denied { node_bind } for pid=8878 comm="syz-executor.1" src=20000 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:node_t:s0 tclass=dccp_socket permissive=1 05:59:17 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc201, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 700.431458][ T8879] batman_adv: batadv0: Not using interface vlan609 (retrying later): interface not active [ 700.463662][ T8877] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:59:17 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x126, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 700.615420][ T8882] batman_adv: batadv0: Interface activated: vlan609 05:59:17 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$vsock(0xffffffffffffff9c, 0x0, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r0 = socket$inet6_sctp(0xa, 0x1, 0x84) socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000000)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3ff, 0x0, 0xd0}, 0x9c) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0xf088, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0xfe800000, @loopback}, 0x1c) 05:59:17 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc300, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 700.717425][ T8885] batman_adv: batadv0: Adding interface: vlan413 [ 700.736755][ T8885] batman_adv: batadv0: The MTU of interface vlan413 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 700.838562][ T8885] batman_adv: batadv0: Not using interface vlan413 (retrying later): interface not active [ 701.112554][ T8879] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:18 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc301, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:18 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x3f00, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:18 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0xec0}}, 0x0) [ 701.372511][ T8913] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:18 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x127, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 701.593354][ T8914] batman_adv: batadv0: Adding interface: vlan610 [ 701.652796][ T8914] batman_adv: batadv0: The MTU of interface vlan610 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 701.683077][ T8914] batman_adv: batadv0: Not using interface vlan610 (retrying later): interface not active [ 701.715560][ T8927] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 701.963355][ T8917] batman_adv: batadv0: Interface activated: vlan610 05:59:18 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc400, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 702.083294][ T8917] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:19 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x10}}], 0x10) 05:59:19 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x4000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:19 executing program 1: perf_event_open(&(0x7f00000000c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x40000080806, 0x0) setsockopt$inet6_int(r0, 0x29, 0xb, 0x0, 0x0) bind$inet6(r0, &(0x7f000047b000)={0xa, 0x404e20, 0x0, @empty}, 0x1c) listen(r0, 0x400000001ffffffd) r1 = socket$inet6(0xa, 0x6, 0x0) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) r2 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg(r2, &(0x7f0000003d40)=[{{0x0, 0xffffffbf, 0x0, 0x0, 0x0, 0x0, 0xe}}], 0x4000000000000d0, 0x0) 05:59:19 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x2000}}, 0x0) [ 702.350572][ T8948] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:59:19 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x128, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 702.524970][ T8952] batman_adv: batadv0: Adding interface: vlan415 05:59:19 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc401, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 702.553243][ T8952] batman_adv: batadv0: The MTU of interface vlan415 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:59:19 executing program 1: perf_event_open(&(0x7f00000000c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x40000080806, 0x0) setsockopt$inet6_int(r0, 0x29, 0xb, 0x0, 0x0) bind$inet6(r0, &(0x7f000047b000)={0xa, 0x404e20, 0x0, @empty}, 0x1c) listen(r0, 0x400000001ffffffd) r1 = socket$inet6(0xa, 0x6, 0x0) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) r2 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg(r2, &(0x7f0000003d40)=[{{0x0, 0xffffffbf, 0x0, 0x0, 0x0, 0x0, 0xe}}], 0x4000000000000d0, 0x0) [ 702.637348][ T8952] batman_adv: batadv0: Not using interface vlan415 (retrying later): interface not active [ 702.664005][ T8953] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:19 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc500, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 702.817563][ T8956] batman_adv: batadv0: Adding interface: vlan611 [ 702.847411][ T8956] batman_adv: batadv0: The MTU of interface vlan611 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:59:19 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x129, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 702.951878][ T8956] batman_adv: batadv0: Not using interface vlan611 (retrying later): interface not active 05:59:19 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc501, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 702.995394][ T8962] batman_adv: batadv0: Interface activated: vlan611 [ 703.032119][ T8956] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:19 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x4088, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:19 executing program 1: perf_event_open(&(0x7f00000000c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x40000080806, 0x0) bind$inet6(r0, &(0x7f000047b000)={0xa, 0x404e20, 0x0, @empty}, 0x1c) listen(r0, 0x400000001ffffffd) r1 = socket$inet6(0xa, 0x6, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) close(r2) splice(0xffffffffffffffff, 0x0, r2, 0x0, 0x80000001, 0x0) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x37, &(0x7f0000000200)=ANY=[@ANYBLOB="010b000000000000c204000000060000000000000000010900000000000000000007343ffcdb7df4ac1a45c7c68aee4eccad540bdccc20e8f33c4b9095260d30f3b46c9d783c7911279c923904010200"/90], 0x68) socket$inet6_tcp(0xa, 0x1, 0x0) r3 = socket$bt_bnep(0x1f, 0x3, 0x4) setsockopt$sock_int(r3, 0x1, 0x2d, 0x0, 0x0) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) r4 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg(r4, &(0x7f0000003d40)=[{{0x0, 0xffffffbf, 0x0, 0x0, 0x0, 0x0, 0xe}}], 0x4000000000000d0, 0x0) 05:59:20 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x12}}], 0x10) 05:59:20 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x33fe0}}, 0x0) [ 703.287438][ T8990] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:59:20 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc600, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 703.437717][ T8995] batman_adv: batadv0: Adding interface: vlan416 05:59:20 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x12a, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 703.493320][ T8995] batman_adv: batadv0: The MTU of interface vlan416 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. [ 703.618285][ T8995] batman_adv: batadv0: Not using interface vlan416 (retrying later): interface not active [ 703.710930][ T8996] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:21 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x12b, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 704.087177][ T9002] batman_adv: batadv0: Adding interface: vlan612 05:59:21 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc601, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 704.120252][ T9002] batman_adv: batadv0: The MTU of interface vlan612 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. [ 704.180292][ T9002] batman_adv: batadv0: Not using interface vlan612 (retrying later): interface not active [ 704.214186][ T9006] batman_adv: batadv0: Interface activated: vlan612 05:59:21 executing program 1: perf_event_open(&(0x7f00000000c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x40000080806, 0x0) bind$inet6(r0, &(0x7f000047b000)={0xa, 0x404e20, 0x0, @empty}, 0x1c) listen(r0, 0x400000001ffffffd) r1 = socket$inet6(0xa, 0x6, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) close(r2) splice(0xffffffffffffffff, 0x0, r2, 0x0, 0x80000001, 0x0) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x37, &(0x7f0000000200)=ANY=[@ANYBLOB="010b000000000000c204000000060000000000000000010900000000000000000007343ffcdb7df4ac1a45c7c68aee4eccad540bdccc20e8f33c4b9095260d30f3b46c9d783c7911279c923904010200"/90], 0x68) socket$inet6_tcp(0xa, 0x1, 0x0) r3 = socket$bt_bnep(0x1f, 0x3, 0x4) setsockopt$sock_int(r3, 0x1, 0x2d, 0x0, 0x0) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) r4 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg(r4, &(0x7f0000003d40)=[{{0x0, 0xffffffbf, 0x0, 0x0, 0x0, 0x0, 0xe}}], 0x4000000000000d0, 0x0) [ 704.273638][ T9020] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:21 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x4800, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:21 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:59:21 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x20000320}}, 0x0) 05:59:21 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc700, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 704.661001][ T9039] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:21 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x12c, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:21 executing program 1: [ 704.890668][ T9041] batman_adv: batadv0: Adding interface: vlan613 [ 704.915245][ T9041] batman_adv: batadv0: The MTU of interface vlan613 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:59:21 executing program 1: 05:59:21 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc701, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:21 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x12d, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 705.001768][ T9041] batman_adv: batadv0: Not using interface vlan613 (retrying later): interface not active [ 705.034682][ T9042] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:59:22 executing program 1: [ 705.206985][ T9047] batman_adv: batadv0: Adding interface: vlan417 05:59:22 executing program 1: [ 705.238682][ T9047] batman_adv: batadv0: The MTU of interface vlan417 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:59:22 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x12e, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 705.358851][ T9047] batman_adv: batadv0: Not using interface vlan417 (retrying later): interface not active [ 705.402295][ T9039] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:22 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x4a00, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:22 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc800, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:22 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x2}}], 0x10) 05:59:22 executing program 1: 05:59:22 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x7ffff000}}, 0x0) 05:59:22 executing program 1: [ 705.613302][ T9083] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:59:22 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x12f, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:22 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x3}}], 0x10) 05:59:22 executing program 1: [ 705.817356][ T9088] batman_adv: batadv0: Adding interface: vlan418 [ 705.844609][ T9088] batman_adv: batadv0: The MTU of interface vlan418 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. 05:59:22 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc801, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:22 executing program 1: [ 705.955219][ T9088] batman_adv: batadv0: Not using interface vlan418 (retrying later): interface not active 05:59:22 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x4}}], 0x10) [ 706.232909][ T9092] batman_adv: batadv0: Adding interface: vlan614 [ 706.251744][ T9092] batman_adv: batadv0: The MTU of interface vlan614 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 706.289103][ T9092] batman_adv: batadv0: Not using interface vlan614 (retrying later): interface not active 05:59:23 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x4c00, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:23 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x130, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:23 executing program 1: 05:59:23 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x6}}], 0x10) 05:59:23 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc900, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:23 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0xfffffdef}}, 0x0) 05:59:23 executing program 1: 05:59:23 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x7}}], 0x10) 05:59:23 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xc901, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:23 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x131, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:23 executing program 1: [ 706.733238][ T9131] batman_adv: batadv0: Adding interface: vlan615 [ 706.758805][ T9131] batman_adv: batadv0: The MTU of interface vlan615 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:59:23 executing program 1: [ 706.903916][ T9131] batman_adv: batadv0: Not using interface vlan615 (retrying later): interface not active [ 707.023700][ T9134] batman_adv: batadv0: Adding interface: vlan419 [ 707.071499][ T9134] batman_adv: batadv0: The MTU of interface vlan419 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 707.111805][ T9134] batman_adv: batadv0: Not using interface vlan419 (retrying later): interface not active 05:59:24 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x5600, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:24 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x8}}], 0x10) 05:59:24 executing program 1: 05:59:24 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xca00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:24 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x132, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:24 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x20}, 0x2}, 0x0) 05:59:24 executing program 1: 05:59:24 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xa}}], 0x10) 05:59:24 executing program 1: 05:59:24 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xca01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:24 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x133, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 707.461842][ T9174] batman_adv: batadv0: Adding interface: vlan420 [ 707.508171][ T9174] batman_adv: batadv0: The MTU of interface vlan420 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:59:24 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xe}}], 0x10) [ 707.607466][ T9174] batman_adv: batadv0: Not using interface vlan420 (retrying later): interface not active [ 707.665349][ T9175] __nla_validate_parse: 6 callbacks suppressed [ 707.665416][ T9175] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 707.766393][ T9182] batman_adv: batadv0: Adding interface: vlan616 [ 707.774781][ T9182] batman_adv: batadv0: The MTU of interface vlan616 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 707.806850][ T9182] batman_adv: batadv0: Not using interface vlan616 (retrying later): interface not active [ 707.855713][ T9184] batman_adv: batadv0: Interface activated: vlan616 [ 707.888815][ T9169] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 707.908252][ T9182] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:24 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x5865, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:24 executing program 1: 05:59:24 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x134, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:24 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xcb00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:24 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x60}}], 0x10) 05:59:24 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x20}, 0x3}, 0x0) 05:59:25 executing program 1: [ 708.144550][ T9213] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:25 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x74}}], 0x10) 05:59:25 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xcb01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:25 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x135, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 708.288702][ T9214] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:59:25 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xfc}}], 0x10) 05:59:25 executing program 1: [ 708.520692][ T9217] batman_adv: batadv0: Adding interface: vlan617 [ 708.561924][ T9217] batman_adv: batadv0: The MTU of interface vlan617 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 708.660971][ T9217] batman_adv: batadv0: Not using interface vlan617 (retrying later): interface not active [ 708.721815][ T9218] batman_adv: batadv0: Adding interface: vlan421 [ 708.738343][ T9218] batman_adv: batadv0: The MTU of interface vlan421 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 708.802786][ T9218] batman_adv: batadv0: Not using interface vlan421 (retrying later): interface not active [ 708.831126][ T9222] batman_adv: batadv0: Interface activated: vlan617 05:59:25 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x6000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:25 executing program 1: 05:59:25 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xcc00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:25 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x4) 05:59:25 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x136, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 708.862350][ T9217] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:25 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x20}, 0x4}, 0x0) 05:59:25 executing program 1: 05:59:25 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0xf) [ 709.069106][ T9255] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:59:26 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x137, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:26 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xcc01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:26 executing program 1: [ 709.234482][ T9259] batman_adv: batadv0: Adding interface: vlan422 [ 709.260636][ T9259] batman_adv: batadv0: The MTU of interface vlan422 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:59:26 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x14) [ 709.385260][ T9259] batman_adv: batadv0: Not using interface vlan422 (retrying later): interface not active [ 709.440493][ T9260] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 709.596567][ T9269] batman_adv: batadv0: Adding interface: vlan618 [ 709.628773][ T9269] batman_adv: batadv0: The MTU of interface vlan618 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 709.695061][ T9269] batman_adv: batadv0: Not using interface vlan618 (retrying later): interface not active [ 709.728133][ T9274] batman_adv: batadv0: Interface activated: vlan618 05:59:26 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x6558, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:26 executing program 1: 05:59:26 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xcd00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:26 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0xc4) 05:59:26 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x138, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 709.764671][ T9269] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:26 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x20}, 0x5}, 0x0) 05:59:26 executing program 1: 05:59:26 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x801) [ 709.987470][ T9299] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:59:26 executing program 1: 05:59:26 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xcd01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:27 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x139, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 710.226161][ T9303] batman_adv: batadv0: Adding interface: vlan423 [ 710.274106][ T9303] batman_adv: batadv0: The MTU of interface vlan423 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:59:27 executing program 1: [ 710.416259][ T9303] batman_adv: batadv0: Not using interface vlan423 (retrying later): interface not active [ 710.542301][ T9309] batman_adv: batadv0: Adding interface: vlan619 [ 710.557981][ T9309] batman_adv: batadv0: The MTU of interface vlan619 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 710.618274][ T9309] batman_adv: batadv0: Not using interface vlan619 (retrying later): interface not active [ 710.653931][ T9316] batman_adv: batadv0: Interface activated: vlan619 05:59:27 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x6800, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:27 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xce00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:27 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x20961ff4) 05:59:27 executing program 1: 05:59:27 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x13a, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:27 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x20}, 0x6}, 0x0) 05:59:27 executing program 1: 05:59:27 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x13b, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:27 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xce01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:27 executing program 1: [ 711.178322][ T9349] batman_adv: batadv0: Adding interface: vlan620 05:59:28 executing program 1: 05:59:28 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r0, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0xffffffffffffffff, r0, 0x0) sendmsg$NFULNL_MSG_CONFIG(r0, &(0x7f0000001140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x1c, 0x1, 0x4, 0x5, 0x0, 0x0, {}, [@NFULA_CFG_CMD={0x5, 0x1, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000000) r1 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) ioctl$VHOST_SET_VRING_ENDIAN(0xffffffffffffffff, 0x4008af13, &(0x7f00000001c0)={0x0, 0x7}) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r4, 0x29, 0x20, &(0x7f0000000000)={@mcast1, 0x0, 0x0, 0x2, 0x1, 0x1f, 0x0, 0x400000000}, 0x20) r5 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r4, r5, &(0x7f0000000240)=0x202, 0x4000000000dc) r6 = syz_genetlink_get_family_id$smc(&(0x7f0000003740)='SMC_PNETID\x00') ioctl$RTC_ALM_SET(r3, 0x40247007, &(0x7f0000001680)={0x19, 0x2d, 0x1, 0x1a, 0x5, 0x0, 0x0, 0x97, 0xffffffffffffffff}) sendmsg$SMC_PNETID_FLUSH(r5, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000680)=ANY=[@ANYBLOB='P\b\x00\x00', @ANYRES16=r6, @ANYBLOB="60002dbd7000fddbdf25040000000500040006000000140002007665746845000000000000d7ca7bf31ddcba7e0073797a32000000000500040f010000000900010073797a3200000000ba9c605f60b257b25a611e2dffa0418ec9011749e603b0658187098962222e3ae77576b265ada70812b5824eab7935c1b0bb6e8bc43a7940cca8fce9fa7de43630cd0834cc178f2d4db3fed7e82881a1bbb34ae1249612b4119327edfbd4d591ddbde4d7132b3cfeb740754d171f0935f90139409384f1ba20e649930dbb7a05382e354b07648ffc3f37e5a9eb5799cf20dfa55ac2b2d1b05c03bd83aa213c05dee7e5f0c0f72780c1b439b2d277e7be847c34c2b49c48b88c90db8e513423a801f9b54c03a66a426a3a52b5616d05ef975bc69183624470a032a66fbfb89d94f93f57db3285f929b7a9ef00576e9df3141a02be08d68262fd27863586b1ce5baa2c397249934bad1c618f57b6e6933d4b314eec7e373fc8a1de26d386f63b6c79dd9b2d26541799f6d532a7be9d5f763c74b09d687acf1f9f8d"], 0x50}, 0x1, 0x0, 0x0, 0x24000814}, 0x4005) sendmsg$SMC_PNETID_DEL(r3, &(0x7f0000001640)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000001600)={&(0x7f00000015c0)={0x40, r6, 0x2, 0x70bd2b, 0x25dfdbfd, {}, [@SMC_PNETID_ETHNAME={0x14, 0x2, 'veth1\x00'}, @SMC_PNETID_IBNAME={0x9, 0x3, 'syz2\x00'}, @SMC_PNETID_IBNAME={0x9, 0x3, 'syz0\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x4004000}, 0x0) sendmsg$SMC_PNETID_ADD(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r6, 0x4, 0x70bd26, 0x25dfdbfb, {}, [@SMC_PNETID_IBNAME={0x9, 0x3, 'syz0\x00'}, @SMC_PNETID_NAME={0x9, 0x1, 'syz0\x00'}, @SMC_PNETID_IBPORT={0x5, 0x4, 0x2}, @SMC_PNETID_NAME={0x9, 0x1, 'syz2\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x8010}, 0x4c800) sendmsg$SMC_PNETID_FLUSH(0xffffffffffffffff, &(0x7f00000012c0)={&(0x7f0000001180)={0x10, 0x0, 0x0, 0xc30aa208}, 0xc, &(0x7f0000001280)={&(0x7f0000001300)=ANY=[@ANYBLOB="a0000000", @ANYRES16=r6, @ANYBLOB="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"], 0xa0}, 0x1, 0x0, 0x0, 0x20040811}, 0x4000) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) [ 711.226817][ T9349] batman_adv: batadv0: The MTU of interface vlan620 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 711.294299][ T9349] batman_adv: batadv0: Not using interface vlan620 (retrying later): interface not active [ 711.311297][ T9351] batman_adv: batadv0: Interface activated: vlan620 05:59:28 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x6c00, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:28 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x13c, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:28 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xcf00, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:28 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x20}, 0x7}, 0x0) 05:59:28 executing program 1: 05:59:28 executing program 1: [ 711.668638][ T9382] batman_adv: batadv0: Adding interface: vlan425 05:59:28 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xcf01, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:28 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x13d, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 711.706862][ T9382] batman_adv: batadv0: The MTU of interface vlan425 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:59:28 executing program 1: [ 711.817817][ T9382] batman_adv: batadv0: Not using interface vlan425 (retrying later): interface not active 05:59:28 executing program 1: 05:59:28 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x13e, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 712.015077][ T9389] batman_adv: batadv0: Adding interface: vlan621 [ 712.047623][ T9389] batman_adv: batadv0: The MTU of interface vlan621 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. [ 712.108577][ T9389] batman_adv: batadv0: Not using interface vlan621 (retrying later): interface not active [ 712.135775][ T9390] batman_adv: batadv0: Interface activated: vlan621 05:59:29 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:59:29 executing program 1: 05:59:29 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd000, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:29 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x7400, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:29 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x20}, 0x8}, 0x0) 05:59:29 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x13f, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:29 executing program 1: 05:59:29 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd001, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 712.484783][ T9420] batman_adv: batadv0: Adding interface: vlan426 05:59:29 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x140, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:29 executing program 1: [ 712.544268][ T9420] batman_adv: batadv0: The MTU of interface vlan426 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:59:29 executing program 1: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount$bpf(0x20000000, &(0x7f0000000100)='./file0\x00', 0x0, 0x2001001, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xfffffdffffffffff, 0xffffffffffffffff, 0x0) shmctl$IPC_SET(0x0, 0x1, &(0x7f00000002c0)={{0x1, 0x0, 0x0, 0x0, 0xee00, 0x0, 0x4}, 0x0, 0x0, 0x0, 0x80000000000}) syz_genetlink_get_family_id$netlbl_mgmt(0x0) setfsuid(0x0) sendmsg$TIPC_NL_MON_GET(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x0) setsockopt$IP_VS_SO_SET_FLUSH(0xffffffffffffffff, 0x0, 0x485, 0x0, 0x0) mount$fuseblk(0x0, 0x0, &(0x7f0000000280)='fuseblk\x00', 0xa00020, 0x0) pivot_root(0x0, &(0x7f0000000080)='./file0\x00') socket$nl_route(0x10, 0x3, 0x0) creat(&(0x7f0000000280)='./file0\x00', 0x1) mkdir(&(0x7f0000000040)='./file0\x00', 0x0) ioctl$TIOCGLCKTRMIOS(0xffffffffffffffff, 0x5456, 0x0) write$cgroup_type(0xffffffffffffffff, &(0x7f0000000180)='threaded\x00', 0x2d1ee37) [ 712.663094][ T9420] batman_adv: batadv0: Not using interface vlan426 (retrying later): interface not active [ 712.719347][ T9426] __nla_validate_parse: 9 callbacks suppressed [ 712.719359][ T9426] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:29 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x141, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 712.994893][ T9431] batman_adv: batadv0: Adding interface: vlan622 [ 713.023131][ T9431] batman_adv: batadv0: The MTU of interface vlan622 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 713.111375][ T9431] batman_adv: batadv0: Not using interface vlan622 (retrying later): interface not active [ 713.141501][ T9434] batman_adv: batadv0: Interface activated: vlan622 [ 713.186872][ T9431] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:30 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/asound/timers\x00', 0x0, 0x0) ioctl$SNDCTL_SEQ_SYNC(r1, 0x5101) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:59:30 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd100, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:30 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x7a00, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:30 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x20}, 0x9}, 0x0) 05:59:30 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, "3abc50afd968c13400"}) ioctl$TIOCGPTPEER(r0, 0x5441, 0x0) 05:59:30 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x142, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 713.503058][ T9464] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:59:30 executing program 1: perf_event_open(&(0x7f0000000080)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x7}, 0x0, 0x0, 0x4}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7, 0x7, 0x5, 0x1}, 0x40) 05:59:30 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd101, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 713.657073][ T9467] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:30 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x143, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:30 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000940)='tmpfs\x00', 0x0, 0x0) chdir(&(0x7f0000000380)='./file0\x00') mkdir(&(0x7f0000000240)='./file1\x00', 0x0) rmdir(&(0x7f0000000040)='./file1\x00') [ 713.857603][ T9468] batman_adv: batadv0: Adding interface: vlan427 [ 713.875629][ T9468] batman_adv: batadv0: The MTU of interface vlan427 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:59:30 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd200, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 713.991500][ T9468] batman_adv: batadv0: Not using interface vlan427 (retrying later): interface not active 05:59:30 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x144, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 714.089432][ T9472] batman_adv: batadv0: Adding interface: vlan623 [ 714.129095][ T9472] batman_adv: batadv0: The MTU of interface vlan623 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 714.237337][ T9472] batman_adv: batadv0: Not using interface vlan623 (retrying later): interface not active [ 714.272256][ T9476] batman_adv: batadv0: Interface activated: vlan623 [ 714.303034][ T9472] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:31 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x1}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) sendmsg$inet_sctp(r1, &(0x7f0000000380)={&(0x7f0000000000)=@in6={0xa, 0x4e20, 0xc7, @ipv4={[], [], @initdev={0xac, 0x1e, 0x0, 0x0}}, 0x400}, 0x1c, &(0x7f00000002c0)=[{&(0x7f0000000040)="a40d1faf788f6deda31b18f8517a791e", 0x10}, {&(0x7f0000000080)="c809f0cf06f3a088477da1efa9ad93a96d05a726bc060024d6865b092fb0aa8324e2e4d7316c52fc6cea4d270f880ffc7521b654f2e6045a7d238ee7f160e99d2b7b592b3c7f4a7baf62434639123ce0a3b4b8f88d0c22d1ec406395c8eeea9b19c600209eee64dcba42e322a86720bd92e1ce4600da16d3042116ccfbd637b1a8b638", 0x83}, {&(0x7f00000001c0)="20b7bf04beb017908bb1355c86d04b1247168c1eb0aaafbfa290743a27", 0x1d}, {&(0x7f0000000200)="df79a9c4212c9758f0f513573a780a47b2f8bd5bd38030fe48debca38a39146bfb908e1c44cd7b1cbf1282ddead0fe7ba4e3578a0f0cfbc5ff2ec2246707cf396a154d87faf83912a324ef209f7efe334d065956d454324477131356a2a9340d8b44f93234d4b1263fc05394f000", 0x6e}, {&(0x7f0000000280)="4e2b0595f596579e57f12d5f71d6", 0xe}], 0x5, &(0x7f0000000340)=[@dstaddrv6={0x20, 0x84, 0x8, @loopback}], 0x20}, 0x5) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:59:31 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd201, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:31 executing program 1: getpgid(0x0) sendmsg$TIPC_CMD_GET_MEDIA_NAMES(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f0000000080)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x2}, 0x1c) setsockopt$inet6_tcp_int(r0, 0x6, 0xa, &(0x7f0000000080)=0x4, 0x4) sendto$inet6(r0, &(0x7f0000f6f000), 0xfffffffffffffea7, 0x20000004, &(0x7f0000b63fe4)={0xa, 0x2, 0x983a}, 0x1c) ioctl$LOOP_CHANGE_FD(0xffffffffffffffff, 0x4c00, 0xffffffffffffffff) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x23ffffff) 05:59:31 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x20}, 0xa}, 0x0) 05:59:31 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x7a02, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:31 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x145, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 714.568911][ T9515] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 714.738501][ T9516] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 715.011738][ T9518] batman_adv: batadv0: Adding interface: vlan624 [ 715.055904][ T9518] batman_adv: batadv0: The MTU of interface vlan624 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. 05:59:31 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x146, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 715.220985][ T9518] batman_adv: batadv0: Not using interface vlan624 (retrying later): interface not active [ 715.363277][ T9518] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 715.427215][ T9515] batman_adv: batadv0: Interface activated: vlan624 05:59:32 executing program 2: r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) r1 = open(&(0x7f0000000000)='./file0\x00', 0x501001, 0x140) ioctl$BLKRRPART(r1, 0x125f, 0x0) 05:59:32 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x8100, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:32 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x20}, 0xb}, 0x0) 05:59:32 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd300, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:32 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x147, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:32 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x3d, 0x0) write$binfmt_aout(r0, &(0x7f0000000080)=ANY=[], 0xffffff78) ioctl$TCSETS(r0, 0x40045431, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, "3abc50afd968c13400"}) r1 = syz_open_pts(r0, 0x0) r2 = dup3(r1, r0, 0x0) ioctl$TCGETA(r2, 0x5405, &(0x7f0000000100)) [ 715.924717][ T9554] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 05:59:32 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd301, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:32 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x148, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 716.063712][ T9556] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 05:59:33 executing program 1: recvmmsg(0xffffffffffffffff, &(0x7f0000002680)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)=""/196, 0xc4}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/ip_mr_vif\x00') preadv(r0, &(0x7f00000017c0), 0x10f, 0x0, 0x0) [ 716.242008][ T9560] batman_adv: batadv0: Adding interface: vlan625 [ 716.281929][ T9560] batman_adv: batadv0: The MTU of interface vlan625 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. 05:59:33 executing program 1: openat$procfs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/keys\x00', 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000002680)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000980)=""/196, 0xc4}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='fd/3\x00') preadv(r0, &(0x7f00000017c0), 0x10f, 0x0, 0x0) 05:59:33 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd400, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:33 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x149, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 716.405833][ T9560] batman_adv: batadv0: Not using interface vlan625 (retrying later): interface not active [ 716.519644][ T9565] batman_adv: batadv0: Adding interface: vlan429 [ 716.549087][ T9565] batman_adv: batadv0: The MTU of interface vlan429 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 716.655692][ T9565] batman_adv: batadv0: Not using interface vlan429 (retrying later): interface not active [ 716.699145][ T9567] batman_adv: batadv0: Interface activated: vlan625 05:59:33 executing program 2: perf_event_open(&(0x7f0000000140)={0x4, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x100000001, 0x2b2a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24c, 0x0, @perf_bp={0x0}, 0x5000, 0x4, 0x0, 0x6, 0x40000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) 05:59:33 executing program 1: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/locks\x00', 0x0, 0x0) preadv2(r0, &(0x7f0000000400)=[{&(0x7f0000000200)=""/242, 0xf2}], 0x1, 0x0, 0x0, 0x4) 05:59:33 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x20}, 0xc}, 0x0) 05:59:33 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x14a, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:33 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd401, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:33 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x9803, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r5}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x4c}}, 0x0) 05:59:33 executing program 1: r0 = getpgid(0x0) perf_event_open(&(0x7f0000000700)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, r0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000080)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c2, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x7}, 0x0, 0x0, 0x4, 0x0, 0x0, 0xffff8000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2) r1 = syz_open_dev$loop(&(0x7f0000000880)='/dev/loop#\x00', 0x0, 0x182) r2 = memfd_create(&(0x7f0000000180)='\x14\xccmPn\x9be\x13\x1d\xe5\x1c\x95\x14tc\x93\xe6\xd1\xa47\xf9\vc8tU\x90\x13\xf3\xfc9\x9bP\xe5\x12\x85\x9c\x86\x87\xe3\x88\xdb\xb5\xd5\xe0q\xfb\r?\x1c\xf5$Q\xdbKo\xe0\x0f\xf1W\xc9w\x10\xa9\xdeW^\x9e\x8eV\xcf8\x00\x02\xb6a\f\xe1\x8a\xeaw\xfe\x8b\xc2\nh}\xc3|p\'\xf0\x8eM-?\xccG_\x16\xa4\x1bQn\xd0\x06\xc7FIR\xd3\x88\f/@*\xe6\x8a\x13)H\xd5\xe7\xa4\xaf\xc5\xe6\xb2p$\xb9\xce\x98\xedY\x8a\xb2t\xaan|\x8a\xa9\x9dC*\xc5\r\x8e\xbb\x1e\xf6:i\xa5r`\xa4ij\x1b\x9a\xfe\x94\x95\xec26!\xe82', 0x0) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, 0x0, 0x0) pwritev(r2, &(0x7f0000000340)=[{&(0x7f0000000140)='!', 0x1}], 0x1, 0x81805, 0x0) ioctl$LOOP_CHANGE_FD(r1, 0x4c00, r2) sendmsg$DEVLINK_CMD_SB_OCC_SNAPSHOT(0xffffffffffffffff, &(0x7f0000000540)={0x0, 0x0, 0x0}, 0x800) sendfile(r1, r1, 0x0, 0x23ffffff) ioctl$LOOP_CLR_FD(r1, 0x4c01) bind$netlink(0xffffffffffffffff, &(0x7f0000000000), 0xc) 05:59:34 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd500, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 717.077053][ T9612] batman_adv: batadv0: Adding interface: vlan430 [ 717.094221][ T9612] batman_adv: batadv0: The MTU of interface vlan430 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 717.189187][ T9612] batman_adv: batadv0: Not using interface vlan430 (retrying later): interface not active [ 717.378655][ T9621] batman_adv: batadv0: Adding interface: vlan626 [ 717.408708][ T9621] batman_adv: batadv0: The MTU of interface vlan626 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 05:59:34 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd501, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:34 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x14b, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 717.545198][ T9621] batman_adv: batadv0: Not using interface vlan626 (retrying later): interface not active [ 717.587522][ T9623] batman_adv: batadv0: Interface activated: vlan626 05:59:34 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x14c, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:34 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd600, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:37 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0x14d, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:37 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd601, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) 05:59:37 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r2}]}, 0x4c}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x20, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x38483}}, 0x20}, 0xd}, 0x0) 05:59:37 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0xee, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x1}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r1, &(0x7f0000000040)=[{&(0x7f0000000140)=""/4081, 0xff1}], 0x1, 0x84, 0x0) recvfrom$phonet(r1, &(0x7f0000000000)=""/236, 0xec, 0x40000002, &(0x7f0000000100)={0x23, 0x1, 0x5, 0x6}, 0x10) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) r2 = socket$netlink(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000000)='TIPCv2\x00') sendmsg$TIPC_NL_UDP_GET_REMOTEIP(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000600)={0x20, r3, 0xb03, 0x0, 0x0, {0x13, 0x60}, [@TIPC_NLA_MON={0xc, 0x9, 0x0, 0x1, [@TIPC_NLA_MON_REF={0x8, 0x2, 0x4}]}]}, 0x20}}, 0x0) sendmsg$TIPC_NL_LINK_GET(0xffffffffffffffff, &(0x7f00000013c0)={&(0x7f0000001140)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000001380)={&(0x7f0000001180)={0x1c4, r3, 0x8, 0x70bd2d, 0x25dfdbff, {}, [@TIPC_NLA_LINK={0x50, 0x4, 0x0, 0x1, [@TIPC_NLA_LINK_NAME={0x13, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_NAME={0x9, 0x1, 'syz1\x00'}, @TIPC_NLA_LINK_PROP={0x4}, @TIPC_NLA_LINK_NAME={0x13, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_NAME={0x13, 0x1, 'broadcast-link\x00'}]}, @TIPC_NLA_MON={0xc, 0x9, 0x0, 0x1, [@TIPC_NLA_MON_REF={0x8, 0x2, 0x7fffffff}]}, @TIPC_NLA_NET={0x28, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0x401}, @TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0x3}, @TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0x4}]}, @TIPC_NLA_MON={0x24, 0x9, 0x0, 0x1, [@TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0xffff}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x1}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0xf00d}]}, @TIPC_NLA_MON={0x24, 0x9, 0x0, 0x1, [@TIPC_NLA_MON_REF={0x8, 0x2, 0x6241989c}, @TIPC_NLA_MON_REF={0x8, 0x2, 0x5}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x9}, @TIPC_NLA_MON_REF={0x8, 0x2, 0x3f6}]}, @TIPC_NLA_BEARER={0xe0, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_PROP={0x24, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_MTU={0x8, 0x4, 0x4b}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x4}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x12fbe87c}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x6}]}, @TIPC_NLA_BEARER_NAME={0xd, 0x1, @udp='udp:syz1\x00'}, @TIPC_NLA_BEARER_NAME={0xd, 0x1, @udp='udp:syz0\x00'}, @TIPC_NLA_BEARER_NAME={0x15, 0x1, @l2={'ib', 0x3a, 'veth1_macvtap\x00'}}, @TIPC_NLA_BEARER_UDP_OPTS={0x38, 0x4, {{0x14, 0x1, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x31}}}, {0x20, 0x2, @in6={0xa, 0x4e23, 0xfffffffb, @dev={0xfe, 0x80, [], 0xf}, 0x200}}}}, @TIPC_NLA_BEARER_DOMAIN={0x8, 0x3, 0xffffffff}, @TIPC_NLA_BEARER_PROP={0x14, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_TOL={0x8, 0x2, 0x400}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x16}]}, @TIPC_NLA_BEARER_UDP_OPTS={0x2c, 0x4, {{0x14, 0x1, @in={0x2, 0x4e24, @multicast1}}, {0x14, 0x2, @in={0x2, 0x4e22, @loopback}}}}]}, @TIPC_NLA_BEARER={0x4}]}, 0x1c4}, 0x1, 0x0, 0x0, 0x44000}, 0x8010) 05:59:37 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305-simd\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$rds(r1, &(0x7f0000001f00)={&(0x7f00000003c0)={0x2, 0xd700, @multicast2}, 0xd, &(0x7f00000006c0)=[{&(0x7f0000000500)=""/73, 0x2}, {&(0x7f0000000580)=""/11, 0xb}, {&(0x7f00000005c0)=""/30, 0x200005de}, {&(0x7f0000000600)=""/127, 0x7f}, {&(0x7f0000000680)=""/23, 0x17}], 0x5, &(0x7f0000001bc0)}, 0x0) [ 822.143701][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 822.150607][ C1] rcu: 1-....: (10499 ticks this GP) idle=472/1/0x4000000000000000 softirq=58178/58178 fqs=5157 [ 822.161726][ C1] (t=10500 jiffies g=105337 q=4915) [ 822.167009][ C1] NMI backtrace for cpu 1 [ 822.171333][ C1] CPU: 1 PID: 9624 Comm: syz-executor.1 Not tainted 5.8.0-syzkaller #0 [ 822.179578][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 822.189630][ C1] Call Trace: [ 822.192895][ C1] [ 822.195735][ C1] dump_stack+0x18f/0x20d [ 822.200044][ C1] nmi_cpu_backtrace.cold+0x70/0xb1 [ 822.205222][ C1] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 822.210839][ C1] nmi_trigger_cpumask_backtrace+0x1b3/0x223 [ 822.216817][ C1] rcu_dump_cpu_stacks+0x194/0x1cf [ 822.221911][ C1] rcu_sched_clock_irq.cold+0x5b3/0xccc [ 822.227506][ C1] ? lock_is_held_type+0xb0/0xe0 [ 822.232431][ C1] ? rcutree_dead_cpu+0x10/0x10 [ 822.237263][ C1] ? lockdep_hardirqs_off+0x66/0xa0 [ 822.242454][ C1] ? trace_hardirqs_off+0x27/0x210 [ 822.247547][ C1] update_process_times+0x25/0xa0 [ 822.252550][ C1] tick_sched_handle+0x9b/0x180 [ 822.257397][ C1] tick_sched_timer+0x108/0x290 [ 822.262244][ C1] __hrtimer_run_queues+0x1d5/0xfc0 [ 822.267417][ C1] ? can_stop_idle_tick+0x290/0x290 [ 822.272617][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 822.278595][ C1] ? ktime_get_update_offsets_now+0x1c4/0x250 [ 822.284641][ C1] hrtimer_interrupt+0x32a/0x930 [ 822.289599][ C1] __sysvec_apic_timer_interrupt+0x142/0x5e0 [ 822.295572][ C1] sysvec_apic_timer_interrupt+0x4f/0x120 [ 822.301341][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 822.307341][ C1] RIP: 0010:_raw_spin_unlock_irq+0x4b/0x80 [ 822.313130][ C1] Code: c0 98 e0 b4 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 31 48 83 3d 36 f9 c9 01 00 74 25 fb 66 0f 1f 44 00 00 01 00 00 00 e8 7b 8b 64 f9 65 8b 05 44 17 17 78 85 c0 74 02 5d [ 822.332732][ C1] RSP: 0018:ffffc90000da8e10 EFLAGS: 00000286 [ 822.338792][ C1] RAX: 1ffffffff1369c13 RBX: ffffffff864f6aa0 RCX: 0000000000000000 [ 822.346748][ C1] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff87eae73f [ 822.354697][ C1] RBP: ffff8880ae7255c0 R08: 0000000000000000 R09: 0000000000000000 [ 822.362662][ C1] R10: 0000000000000001 R11: 0000000000000000 R12: ffffc90000da8e90 [ 822.370612][ C1] R13: 0000000000000000 R14: ffff8880ae7255c0 R15: dffffc0000000000 [ 822.378651][ C1] ? garp_request_leave+0x270/0x270 [ 822.383833][ C1] ? _raw_spin_unlock_irq+0x1f/0x80 [ 822.389014][ C1] __run_timers.part.0+0x53c/0xa20 [ 822.394104][ C1] ? call_timer_fn+0x760/0x760 [ 822.398856][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 822.404027][ C1] ? sched_clock+0x2a/0x40 [ 822.408419][ C1] ? sched_clock_cpu+0x18/0x1b0 [ 822.413250][ C1] run_timer_softirq+0xae/0x1a0 [ 822.418079][ C1] __do_softirq+0x34c/0xa60 [ 822.422564][ C1] asm_call_on_stack+0xf/0x20 [ 822.427231][ C1] [ 822.430169][ C1] do_softirq_own_stack+0x111/0x170 [ 822.435349][ C1] irq_exit_rcu+0x229/0x270 [ 822.439837][ C1] sysvec_apic_timer_interrupt+0x54/0x120 [ 822.445536][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 822.451514][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x19/0x60 [ 822.457646][ C1] Code: 00 48 8b be b0 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 65 48 8b 14 25 00 ff 01 00 65 8b 05 a0 41 8e 7e a9 00 01 ff 00 48 8b 34 24 <74> 0f f6 c4 01 74 35 8b 82 04 14 00 00 85 c0 74 2b 8b 82 e0 13 00 [ 822.477246][ C1] RSP: 0018:ffffc90016b17a78 EFLAGS: 00000246 [ 822.483301][ C1] RAX: 0000000080000000 RBX: ffffc90016b17b60 RCX: ffffc900048ba000 [ 822.491263][ C1] RDX: ffff8880a8626540 RSI: ffffffff81683813 RDI: ffff8880a8626550 [ 822.499211][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000003 [ 822.508641][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 822.516606][ C1] R13: 0000000000000000 R14: ffff8880a8626540 R15: 0000000000000000 [ 822.524574][ C1] ? futex_wait+0x413/0x560 [ 822.529164][ C1] futex_wait+0x413/0x560 [ 822.533481][ C1] ? futex_wait_setup+0x2d0/0x2d0 [ 822.538495][ C1] ? wake_up_q+0xa3/0x100 [ 822.542797][ C1] ? do_raw_spin_unlock+0x171/0x230 [ 822.547975][ C1] ? futex_wake+0x155/0x490 [ 822.552470][ C1] do_futex+0x15b/0x1a60 [ 822.556727][ C1] ? lock_acquire+0x1f1/0xad0 [ 822.561380][ C1] ? __might_fault+0xef/0x1d0 [ 822.566033][ C1] ? find_held_lock+0x2d/0x110 [ 822.570778][ C1] ? futex_exit_release+0x220/0x220 [ 822.575951][ C1] ? lock_downgrade+0x820/0x820 [ 822.580793][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 822.585976][ C1] ? sched_clock+0x2a/0x40 [ 822.590372][ C1] ? sched_clock_cpu+0x18/0x1b0 [ 822.595202][ C1] ? sched_clock_cpu+0x18/0x1b0 [ 822.600038][ C1] __x64_sys_futex+0x378/0x4e0 [ 822.604801][ C1] ? do_futex+0x1a60/0x1a60 [ 822.609295][ C1] ? lock_is_held_type+0xb0/0xe0 [ 822.614214][ C1] ? do_syscall_64+0x1c/0xe0 [ 822.618787][ C1] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 822.624753][ C1] do_syscall_64+0x60/0xe0 [ 822.629149][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 822.635021][ C1] RIP: 0033:0x45cce9 [ 822.638899][ C1] Code: 2d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 822.658502][ C1] RSP: 002b:00007f567c106cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 822.666893][ C1] RAX: ffffffffffffffda RBX: 000000000078bf08 RCX: 000000000045cce9 [ 822.674846][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000078bf08 [ 822.682795][ C1] RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 [ 822.690754][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bf0c [ 822.698703][ C1] R13: 00007ffe77ae19af R14: 00007f567c1079c0 R15: 000000000078bf0c [ 823.835805][ T3804] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-... } 10608 jiffies s: 7873 root: 0x2/. [ 823.862643][ T3804] rcu: blocking rcu_node structures: [ 823.884629][ T3804] Task dump for CPU 1: [ 823.903558][ T3804] syz-executor.1 R running task 27728 9624 6985 0x0000400c [ 823.936994][ T3804] Call Trace: [ 823.951849][ T3804] ? kvm_sched_clock_read+0x14/0x40 [ 823.980161][ T3804] ? sched_clock+0x2a/0x40 [ 823.995444][ T3804] ? sched_clock_cpu+0x18/0x1b0 [ 824.015033][ T3804] ? sched_clock_cpu+0x18/0x1b0 [ 824.034731][ T3804] ? check_preemption_disabled+0x50/0x130 [ 824.057362][ T3804] ? do_softirq_own_stack+0x111/0x170 [ 824.084707][ T3804] ? irq_exit_rcu+0x229/0x270 [ 824.102251][ T3804] ? sysvec_apic_timer_interrupt+0x54/0x120 [ 824.130203][ T3804] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 824.146790][ T3804] ? futex_wait+0x413/0x560 [ 824.164895][ T3804] ? __sanitizer_cov_trace_pc+0x19/0x60 [ 824.183136][ T3804] ? futex_wait+0x413/0x560 [ 824.196395][ T3804] ? futex_wait_setup+0x2d0/0x2d0 [ 824.222236][ T3804] ? wake_up_q+0xa3/0x100 [ 824.235415][ T3804] ? do_raw_spin_unlock+0x171/0x230 [ 824.249302][ T3804] ? futex_wake+0x155/0x490 [ 824.267282][ T3804] ? do_futex+0x15b/0x1a60 [ 824.281755][ T3804] ? lock_acquire+0x1f1/0xad0 [ 824.301060][ T3804] ? __might_fault+0xef/0x1d0 [ 824.319681][ T3804] ? find_held_lock+0x2d/0x110 [ 824.345649][ T3804] ? futex_exit_release+0x220/0x220 [ 824.361469][ T3804] ? lock_downgrade+0x820/0x820 [ 824.385010][ T3804] ? kvm_sched_clock_read+0x14/0x40 [ 824.390254][ T3804] ? sched_clock+0x2a/0x40 [ 824.424795][ T3804] ? sched_clock_cpu+0x18/0x1b0 [ 824.429696][ T3804] ? sched_clock_cpu+0x18/0x1b0 [ 824.454757][ T3804] ? __x64_sys_futex+0x378/0x4e0 [ 824.459750][ T3804] ? do_futex+0x1a60/0x1a60 [ 824.483083][ T3804] ? lock_is_held_type+0xb0/0xe0 [ 824.499199][ T3804] ? do_syscall_64+0x1c/0xe0 [ 824.521947][ T3804] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 824.539550][ T3804] ? do_syscall_64+0x60/0xe0 [ 824.555515][ T3804] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9