: batadv0: Not using interface ipvlan343 (retrying later): interface not active [ 1522.852940][T26048] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 00:01:51 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400003f11000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1522.946648][T26072] batman_adv: batadv0: Adding interface: ipvlan229 [ 1522.953196][T26072] batman_adv: batadv0: The MTU of interface ipvlan229 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. [ 1523.063643][T26072] batman_adv: batadv0: Not using interface ipvlan229 (retrying later): interface not active [ 1523.091972][T26073] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 00:01:52 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000c11000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1523.263322][ T29] audit: type=1800 audit(1592265712.306:339): pid=26068 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=16376 res=0 [ 1523.275062][T26076] batman_adv: batadv0: Adding interface: ipvlan689 [ 1523.318933][T26076] batman_adv: batadv0: The MTU of interface ipvlan689 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. [ 1523.345392][T26076] batman_adv: batadv0: Not using interface ipvlan689 (retrying later): interface not active [ 1523.366400][T26080] batman_adv: batadv0: Removing interface: ipvlan689 [ 1523.440184][T26083] batman_adv: batadv0: Adding interface: ipvlan344 [ 1523.447996][T26083] batman_adv: batadv0: The MTU of interface ipvlan344 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. [ 1523.478120][T26083] batman_adv: batadv0: Not using interface ipvlan344 (retrying later): interface not active 00:01:52 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000700140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:01:52 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r1, 0x401c5820, &(0x7f00000000c0)={0x20}) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r1, &(0x7f0000000080)=ANY=[], 0xfe6f) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r3, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$sock_ifreq(0xffffffffffffffff, 0x0, 0x0) ioctl$EXT4_IOC_MOVE_EXT(r2, 0xc028660f, &(0x7f0000000040)={0x0, r1, 0x4}) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r4, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:01:52 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}, 0x10000000}], 0x1, 0xa, 0x0) sendmsg$IPVS_CMD_ZERO(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x28, 0x0, 0x605, 0x0, 0x0, {}, [@IPVS_CMD_ATTR_SERVICE={0x14, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_FWMARK={0x8}]}]}, 0x28}}, 0x0) sendmsg$IPVS_CMD_DEL_DAEMON(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000700)={&(0x7f0000000680)={0x60, 0x0, 0x2, 0x70bd29, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_SERVICE={0x14, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x2e15447}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x7}, @IPVS_CMD_ATTR_SERVICE={0x4}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x9947ebea}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2b}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8}]}, 0x60}, 0x1, 0x0, 0x0, 0x8001}, 0xc005) sendmsg$IPVS_CMD_GET_SERVICE(0xffffffffffffffff, &(0x7f0000004ac0)={&(0x7f0000004940)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000004a80)={&(0x7f0000004980)={0xf8, 0x0, 0x0, 0x70bd28, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x7f}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x5}, @IPVS_CMD_ATTR_DAEMON={0x34, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e24}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e22}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x1}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x9}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, @IPVS_CMD_ATTR_DAEMON={0x3c, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x3}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x6}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'veth0_to_team\x00'}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @mcast1}]}, @IPVS_CMD_ATTR_SERVICE={0x64, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e24}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'wlc\x00'}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@rand_addr=0x64010101}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x4}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x2c, 0xd}}]}]}, 0xf8}, 0x1, 0x0, 0x0, 0x4000000}, 0x2000001) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r2, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r2, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="19000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r4, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r4, 0x0) r5 = socket$kcm(0x10, 0x2, 0x10) r6 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0)='TIPC\x00') sendmsg$TIPC_CMD_SET_LINK_PRI(r5, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x68, r6, 0x8b8e0eb13081c495, 0x0, 0x1, {{0x1, 0x0, 0x5901}, {0x0, 0x4109}, {0x4c, 0x18, {0x60, @link='broadcast-link\x00'}}}}, 0x68}, 0x1, 0x0, 0x0, 0x8000}, 0x0) sendmsg$TIPC_CMD_SET_LINK_PRI(r4, &(0x7f0000004900)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x8000200}, 0xc, &(0x7f00000048c0)={&(0x7f0000004880)={0x30, r6, 0x100, 0x70bd25, 0x25dfdbff, {{}, {}, {0x14, 0x18, {0x8, @bearer=@l2={'eth', 0x3a, 'team0\x00'}}}}, ["", "", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x4810}, 0x20000481) sendmsg$NFT_MSG_GETCHAIN(r3, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) recvmmsg(r3, &(0x7f00000047c0)=[{{&(0x7f00000000c0), 0x80, &(0x7f0000000540)=[{&(0x7f00000007c0)=""/4096, 0x1000}, {&(0x7f00000017c0)=""/4096, 0x1000}, {&(0x7f0000000040)=""/40, 0x28}, {&(0x7f0000000140)=""/81, 0x51}, {&(0x7f0000000200)=""/137, 0x89}, {&(0x7f00000002c0)=""/254, 0xfe}, {&(0x7f0000000480)=""/141, 0x8d}, {&(0x7f00000027c0)=""/4096, 0x1000}, {&(0x7f00000037c0)=""/4096, 0x1000}], 0x9, &(0x7f00000003c0)}, 0xfffffffb}, {{&(0x7f0000000600)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}}}, 0x80, &(0x7f0000000400)=[{&(0x7f0000000680)=""/217, 0xd9}], 0x1}, 0x449}], 0x2, 0x40000020, &(0x7f0000004840)) [ 1523.641032][T26103] batman_adv: batadv0: Adding interface: ipvlan230 [ 1523.665622][T26103] batman_adv: batadv0: The MTU of interface ipvlan230 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1523.724674][T26103] batman_adv: batadv0: Not using interface ipvlan230 (retrying later): interface not active [ 1523.767806][T26083] batman_adv: batadv0: Adding interface: ipvlan345 [ 1523.774355][T26083] batman_adv: batadv0: The MTU of interface ipvlan345 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1523.924646][T26083] batman_adv: batadv0: Not using interface ipvlan345 (retrying later): interface not active 00:01:53 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400004011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:01:53 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000900140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1524.172960][T26135] batman_adv: batadv0: Adding interface: ipvlan231 [ 1524.205469][T26135] batman_adv: batadv0: The MTU of interface ipvlan231 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:01:53 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000e11000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1524.264923][T26135] batman_adv: batadv0: Not using interface ipvlan231 (retrying later): interface not active [ 1524.373320][T26152] batman_adv: batadv0: Adding interface: ipvlan346 [ 1524.401313][T26152] batman_adv: batadv0: The MTU of interface ipvlan346 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1524.460478][T26152] batman_adv: batadv0: Not using interface ipvlan346 (retrying later): interface not active 00:01:53 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d019500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:01:53 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000a00140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:01:53 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="230180"], 0x18}}, 0x0) socket(0xb, 0x3, 0xd8) [ 1524.658110][T26165] batman_adv: batadv0: Adding interface: ipvlan232 [ 1524.689353][T26165] batman_adv: batadv0: The MTU of interface ipvlan232 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. [ 1524.757718][T26165] batman_adv: batadv0: Not using interface ipvlan232 (retrying later): interface not active [ 1524.822095][T26171] batman_adv: batadv0: Adding interface: ipvlan347 [ 1524.841279][T26171] batman_adv: batadv0: The MTU of interface ipvlan347 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. 00:01:53 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) [ 1524.902433][T26171] batman_adv: batadv0: Not using interface ipvlan347 (retrying later): interface not active 00:01:54 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400004811000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:01:54 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000c00140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1525.101184][T26185] batman_adv: batadv0: Adding interface: ipvlan689 [ 1525.130442][T26185] batman_adv: batadv0: The MTU of interface ipvlan689 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. [ 1525.170230][T26185] batman_adv: batadv0: Not using interface ipvlan689 (retrying later): interface not active [ 1525.192259][T26187] batman_adv: batadv0: Removing interface: ipvlan689 00:01:54 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r1, 0x401c5820, &(0x7f00000000c0)={0x20}) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r1, &(0x7f0000000080)=ANY=[], 0xfe6f) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r3, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$sock_ifreq(0xffffffffffffffff, 0x0, 0x0) ioctl$EXT4_IOC_MOVE_EXT(r2, 0xc028660f, &(0x7f0000000040)={0x0, r1, 0x4}) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r4, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) [ 1525.285561][T26193] batman_adv: batadv0: Adding interface: ipvlan233 [ 1525.292532][T26193] batman_adv: batadv0: The MTU of interface ipvlan233 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1525.326242][T26193] batman_adv: batadv0: Not using interface ipvlan233 (retrying later): interface not active 00:01:54 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400c21611000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1525.471936][T26207] batman_adv: batadv0: Adding interface: ipvlan348 [ 1525.524727][T26207] batman_adv: batadv0: The MTU of interface ipvlan348 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1525.524737][T26207] batman_adv: batadv0: Not using interface ipvlan348 (retrying later): interface not active 00:01:54 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000e00140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1525.723635][T26230] batman_adv: batadv0: Adding interface: ipvlan689 [ 1525.732108][T26230] batman_adv: batadv0: The MTU of interface ipvlan689 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1525.766652][T26230] batman_adv: batadv0: Not using interface ipvlan689 (retrying later): interface not active 00:01:54 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r3, r2, 0x0, 0x100000fffffffe) setsockopt$CAN_RAW_FD_FRAMES(r2, 0x65, 0x5, &(0x7f0000000000)=0x1, 0x4) recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) [ 1525.808223][T26185] batman_adv: batadv0: Removing interface: ipvlan689 [ 1525.897832][T26238] batman_adv: batadv0: Adding interface: ipvlan234 [ 1525.914552][T26238] batman_adv: batadv0: The MTU of interface ipvlan234 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1525.942591][T26238] batman_adv: batadv0: Not using interface ipvlan234 (retrying later): interface not active [ 1526.004126][T26243] batman_adv: batadv0: Adding interface: ipvlan349 [ 1526.020996][T26243] batman_adv: batadv0: The MTU of interface ipvlan349 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:01:55 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400004c11000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1526.047767][T26243] batman_adv: batadv0: Not using interface ipvlan349 (retrying later): interface not active 00:01:55 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000f00140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:01:55 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r1, 0x401c5820, &(0x7f00000000c0)={0x20}) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r1, &(0x7f0000000080)=ANY=[], 0xfe6f) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r3, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$sock_ifreq(0xffffffffffffffff, 0x0, 0x0) ioctl$EXT4_IOC_MOVE_EXT(r2, 0xc028660f, &(0x7f0000000040)={0x0, r1, 0x4}) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r4, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:01:55 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400001f11000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:01:55 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d029500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:01:55 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r1, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000000)={0x0}, 0x8}, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(0xffffffffffffffff, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f00000000c0)=ANY=[@ANYBLOB="18000000", @ANYRES32=r1, @ANYBLOB="03070006f3fffffcff0019000040042001ae27f9a11fb7487225800dacb4c35c6f80"], 0x18}}, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r3, r2, 0x0, 0x100000fffffffe) r4 = openat$cgroup_ro(r2, &(0x7f00000001c0)='cpuacct.usage_user\x00', 0x275a, 0x0) write$binfmt_script(r4, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r4, 0x0) setsockopt$netrom_NETROM_IDLE(r4, 0x103, 0x7, &(0x7f0000000040)=0x8, 0x4) 00:01:55 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000001000140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1526.378132][T26275] batman_adv: batadv0: Adding interface: ipvlan350 [ 1526.385158][T26275] batman_adv: batadv0: The MTU of interface ipvlan350 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. [ 1526.422610][T26275] batman_adv: batadv0: Not using interface ipvlan350 (retrying later): interface not active 00:01:55 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000006000140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1526.638339][T26297] batman_adv: batadv0: Adding interface: ipvlan689 [ 1526.653650][T26297] batman_adv: batadv0: The MTU of interface ipvlan689 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. [ 1526.712904][T26297] batman_adv: batadv0: Not using interface ipvlan689 (retrying later): interface not active [ 1526.792535][T26296] batman_adv: batadv0: Adding interface: ipvlan235 [ 1526.816226][T26296] batman_adv: batadv0: The MTU of interface ipvlan235 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. [ 1526.874151][T26296] batman_adv: batadv0: Not using interface ipvlan235 (retrying later): interface not active [ 1526.897822][T26285] __nla_validate_parse: 21 callbacks suppressed [ 1526.897831][T26285] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1526.936376][T26303] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1526.969762][T26303] batman_adv: batadv0: Removing interface: ipvlan689 [ 1527.040031][T26305] batman_adv: batadv0: Adding interface: ipvlan351 [ 1527.051808][T26305] batman_adv: batadv0: The MTU of interface ipvlan351 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. [ 1527.080161][T26305] batman_adv: batadv0: Not using interface ipvlan351 (retrying later): interface not active 00:01:56 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400655811000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1527.174910][T26291] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1527.200758][T26324] batman_adv: batadv0: Adding interface: ipvlan236 00:01:56 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="000000000000f000140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1527.208181][T26324] batman_adv: batadv0: The MTU of interface ipvlan236 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. 00:01:56 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x1, 0x803, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="5c0000001000030400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000002c00128009000100766c616e000000001c00028006000100000e00000c0002000e0000000a0000000400038008000500", @ANYRES32=r3, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r3], 0x5c}}, 0x0) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r4, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) r5 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r5, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) r6 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000040)={&(0x7f00000007c0)=@newtclass={0xdc8, 0x28, 0x2, 0x70bd28, 0x25dfdbfd, {0x0, 0x0, 0x0, r3, {0x5, 0xffed}, {0xffe0, 0xffff}, {0xffe0, 0x1}}, [@TCA_RATE={0x6, 0x5, {0x9, 0xf9}}, @TCA_RATE={0x6, 0x5, {0x3, 0x1}}, @tclass_kind_options=@c_cbq={{0x8, 0x1, 'cbq\x00'}, {0x420, 0x2, [@TCA_CBQ_LSSOPT={0x18, 0x1, {0x14, 0x0, 0x4, 0x3f, 0x1, 0x0, 0x0, 0x3ff}}, @TCA_CBQ_RTAB={0x404, 0x6, [0x3, 0x1, 0x2, 0x100, 0x7, 0x5edf, 0x5, 0x4, 0x0, 0x9, 0x2, 0x4, 0x101, 0x9, 0x1, 0x8, 0x0, 0xffff, 0x95, 0x6, 0x5, 0x3, 0x3, 0x7fffffff, 0x2, 0x4, 0xef3, 0x7f, 0x8000, 0x5d25, 0x7fffffff, 0xfff, 0x3f, 0x4, 0x9, 0x0, 0xffff, 0xfa8, 0x5, 0x0, 0xfff, 0x0, 0x8, 0xffffffff, 0x1f, 0x2, 0x3, 0x100, 0x6, 0x800, 0x3, 0x81, 0x1f, 0xaeb, 0x5, 0x7, 0x0, 0x2d29, 0x19, 0x50d, 0x4, 0x2, 0x8, 0x6, 0x1ff, 0x5, 0x83, 0x80000000, 0x3, 0x7, 0x40, 0x7ff, 0x6, 0xffff, 0xfffff2e9, 0x69c226cf, 0x9, 0x1, 0x8000, 0xba7f, 0x1, 0xc9, 0x3, 0x4, 0x80000000, 0x0, 0xfffffeff, 0x1c00000, 0x3ff, 0x6, 0x401, 0x5, 0x0, 0x7, 0xfffffffb, 0xfffffe01, 0xfffffc01, 0x4, 0x0, 0x3, 0x1, 0xfffffffd, 0x2, 0x0, 0x7f, 0x1, 0x0, 0x4, 0x9, 0x0, 0x2, 0x8, 0x0, 0x6, 0x1000, 0x9, 0x20, 0x1a74, 0x101, 0x2, 0x5, 0x2, 0x846a, 0x3e, 0x9, 0x101, 0x8, 0x2, 0x0, 0xf486, 0x6, 0x3, 0x1, 0x4, 0x4, 0x4c, 0x2, 0x81, 0x9, 0x9, 0x9, 0x6, 0x40, 0x3, 0x8001, 0x2, 0xfaf4, 0x1, 0xeac, 0x4, 0x0, 0x80000001, 0x1, 0x26, 0x96, 0x6, 0x9, 0x8, 0x3, 0x8, 0x3, 0xfffffffa, 0x9, 0x7, 0xfc3, 0x2, 0x6, 0x1, 0x5, 0xff, 0x0, 0xfffffffd, 0x100, 0x80000001, 0x4c, 0x4ebc, 0x8, 0x7, 0x401, 0x96, 0xfca0, 0x5, 0xfffffff7, 0x6, 0x5, 0x2f81, 0x40, 0x1000, 0x66, 0x7ff, 0x1f, 0x13960, 0x80, 0xf1, 0x7fff, 0x9, 0x10001, 0x200, 0xffffff80, 0x6, 0x8, 0x7, 0x100, 0x6, 0x3, 0x2, 0x800, 0x0, 0x6, 0x2, 0x0, 0x6, 0xff, 0x8, 0x9, 0xbfd5, 0x2, 0x2, 0x1, 0x10000, 0x3f, 0x3, 0x7, 0x6, 0x84b, 0x75, 0x2, 0x3, 0x4, 0xfff, 0xffff, 0x1ff, 0x8, 0x6, 0x7, 0x3, 0x800, 0x5, 0x2, 0x10000, 0x2, 0x5, 0xdb1, 0x5, 0x800, 0x3, 0x8, 0x7f, 0x8, 0x3, 0x6, 0x6, 0xfffff8cc, 0x2, 0x8, 0xffffffff]}]}}, @TCA_RATE={0x6, 0x5, {0x1, 0x9}}, @TCA_RATE={0x6, 0x5, {0x4, 0x9}}, @tclass_kind_options=@c_mqprio={0xb, 0x1, 'mqprio\x00'}, @TCA_RATE={0x6, 0x5, {0x8, 0x9}}, @tclass_kind_options=@c_atm={{0x8, 0x1, 'atm\x00'}, {0xa0, 0x2, [@TCA_ATM_EXCESS={0x8, 0x4, {0xffe0, 0xb}}, @TCA_ATM_FD={0x8, 0x1, r4}, @TCA_ATM_EXCESS={0x8, 0x4, {0x5, 0x2}}, @TCA_ATM_EXCESS={0x8, 0x4, {0x2, 0x8}}, @TCA_ATM_HDR={0x1d, 0x3, "e926b218853ddcf116f5cc9c1fe731305b1b6c55611fd9362f"}, @TCA_ATM_HDR={0x42, 0x3, "a2b19bad65c96f8716971d97d48c2b6449ea9c0481827bb2ff2e3e15ba04904b2c158b04622ae27fb7a88c67198c1254a3c752c0c296797692c2a8d5a40c"}, @TCA_ATM_EXCESS={0x8, 0x4, {0xf, 0xa}}, @TCA_ATM_FD={0x8, 0x1, r5}, @TCA_ATM_FD={0x8, 0x1, r6}]}}, @tclass_kind_options=@c_htb={{0x8, 0x1, 'htb\x00'}, {0x890, 0x2, [@TCA_HTB_CEIL64={0xc, 0x7, 0x2}, @TCA_HTB_CEIL64={0xc, 0x7, 0x1}, @TCA_HTB_RATE64={0xc, 0x6, 0x5}, @TCA_HTB_RTAB={0x404, 0x4, [0x2, 0x8001, 0x0, 0xfffffff8, 0x4, 0x40, 0xf3c, 0x1f, 0x6, 0xf4f5, 0x1ff, 0x5, 0xfee, 0x8b, 0xffffffff, 0xfff, 0x7ff, 0x1, 0x9, 0x6, 0x8, 0xd45, 0x1, 0x5, 0x24d, 0x1, 0x10000, 0x5e, 0x7fff, 0x7, 0x6, 0x100, 0xff, 0x54, 0x8, 0x8, 0x86d5, 0x2, 0x6, 0xcad, 0x9, 0x94b0, 0xff, 0x81, 0x0, 0x9d, 0x6, 0xde, 0x2bf, 0x7, 0x3ff, 0x8, 0x6, 0x9, 0x964b, 0x737f, 0x200, 0x6, 0xcc, 0x80, 0x6, 0x5, 0x4079, 0xffff, 0x7, 0x4, 0x7c3b, 0xd6d5, 0x1000, 0x4, 0xfff, 0x8, 0x3, 0x2, 0x7, 0x5107506, 0x6, 0x200, 0x1f, 0xc26e, 0xac10, 0x40, 0x8, 0x5, 0x5, 0x1, 0xffffffff, 0x7, 0x7fffffff, 0x100, 0xffffffff, 0x9, 0x3, 0x3f, 0x3, 0x8, 0x7, 0x0, 0x3, 0x5, 0x3, 0x47, 0xffffffff, 0xfffffffc, 0xffff0001, 0x1, 0xc34, 0x0, 0x5, 0xfffe, 0x81, 0x0, 0x1f, 0xfffffffe, 0x8, 0x2, 0x1, 0x9c, 0x0, 0x8001, 0x401, 0x0, 0x6, 0x80000001, 0x8000, 0x8, 0x0, 0x1, 0x4, 0x800, 0x5608, 0x3, 0xf, 0x2, 0x71, 0x10000, 0xffffffaa, 0x8000, 0x2, 0xfffffff7, 0x4, 0x8, 0x9, 0xc09, 0x1ff, 0x5, 0x5, 0x4, 0x971, 0x9, 0x404, 0x6, 0x140000, 0x2cc, 0x9, 0x40, 0x7, 0x3ff, 0x2, 0x9ed5, 0x73d5, 0x8, 0xdfb, 0xdb, 0x9, 0x50, 0xf15c, 0x3, 0x8, 0x1000, 0x80, 0xfffffffc, 0x8, 0x5, 0x10001, 0x0, 0x40, 0x7, 0xc8c9, 0x4b, 0x2, 0x6, 0x9a2, 0x8, 0x61, 0x8, 0x7f, 0x7f, 0x0, 0x5, 0x8001, 0x4, 0x10001, 0x8, 0x2, 0x6, 0x4, 0xfff, 0x7, 0x3, 0x40, 0x7fffffff, 0x8001, 0x5, 0x3, 0x1000, 0x81, 0xdcf, 0x6, 0x7, 0x2, 0x1, 0x5b, 0x9, 0x5, 0x1000, 0x4, 0x20, 0x7ff, 0x1ff, 0x0, 0x2, 0xffffffff, 0x1, 0x0, 0x2, 0x9, 0x3, 0x0, 0x1, 0x7, 0x80000000, 0x3, 0xace8c9f, 0x81, 0x0, 0x6, 0x80, 0x7, 0x2, 0x1e79, 0x5, 0xfff, 0x80000000, 0x7, 0xfffffff9, 0x200, 0x8, 0x5, 0x10001, 0x4, 0x0, 0x80000000, 0x10001, 0xb9]}, @TCA_HTB_RATE64={0xc, 0x6, 0x9}, @TCA_HTB_CEIL64={0xc, 0x7, 0x1f}, @TCA_HTB_PARMS={0x30, 0x1, {{0x0, 0x0, 0x2, 0x5, 0x40, 0x9}, {0x40, 0x0, 0xff, 0xc, 0x2, 0x7ff}, 0x3, 0x7, 0x400, 0xffc8, 0xd}}, @TCA_HTB_CTAB={0x404, 0x3, [0x20, 0x81, 0x9, 0x0, 0x1, 0x1ff, 0x1, 0xc1ca, 0x3ff, 0x7, 0x2, 0x3ff, 0x2, 0x4, 0x15, 0x4, 0x10000, 0x5, 0xff, 0x5, 0x81, 0x1, 0x1, 0x0, 0x9, 0x2, 0x5, 0x100, 0x3, 0x7fffffff, 0x3, 0x3ff, 0x417, 0x4, 0x2, 0x200, 0xa0, 0xb4, 0x4, 0x9, 0x40008000, 0x7, 0x80000000, 0x1, 0x4, 0x1, 0x3, 0xcc4, 0x800, 0x2, 0x600, 0xfffffffd, 0x2, 0x6b0, 0x3e6, 0x82, 0x5, 0x400, 0x8, 0x5, 0x401, 0x8001, 0x5, 0x5d9, 0xb5d1, 0xa4ed, 0x0, 0xc738, 0x8, 0x3, 0x5, 0xfffffeff, 0x331, 0x80, 0xffff3193, 0x9, 0x7fffffff, 0x9, 0x0, 0x9, 0x2, 0x8, 0x3c2, 0x9, 0x9, 0x1ff, 0x5792, 0x9, 0xa86, 0x0, 0x3c00000, 0x0, 0x9, 0xbe, 0x0, 0xf7, 0x4, 0x400, 0x2, 0xffffffff, 0x1, 0x3, 0x7ff, 0xffff8000, 0xffff, 0x1, 0xea, 0x0, 0x7fffffff, 0x9, 0x9, 0x0, 0x8, 0x6, 0x80000000, 0x82a, 0x1000, 0x5, 0x4, 0x9ba, 0x6, 0x87dc, 0x4, 0xfffffffa, 0x7, 0x5, 0x3, 0x4, 0x5, 0x40, 0x6, 0xfffffffb, 0x6, 0x8, 0x1c2, 0x800, 0x8, 0x6aa, 0x9, 0x1, 0x8, 0xfffffffe, 0x0, 0x0, 0x3ff, 0x100, 0xc00, 0x10001, 0x81, 0x10001, 0x7, 0x0, 0x3ff, 0x0, 0x92, 0xa6, 0x82f3, 0x6, 0x8, 0x7, 0x101, 0xdf2, 0x0, 0x1, 0x2, 0x800, 0x7a, 0xfff, 0x101, 0x4, 0x400, 0xb15f, 0x74, 0x8c44, 0x9, 0x3ff, 0x8, 0x4, 0x6, 0x400, 0x4, 0x5, 0x20, 0x1, 0x5, 0x0, 0x6, 0x452, 0x10000, 0x200, 0x8, 0xea, 0x9, 0x7a55, 0x1d, 0x3, 0x5, 0x3, 0x7, 0x9, 0x4, 0xe77, 0x1000, 0x3, 0x9, 0x7e, 0x400, 0xfffffffd, 0x9, 0x800, 0x5, 0x5, 0x101, 0x1, 0x5, 0x401, 0x84c, 0x7fffffff, 0x7, 0x8, 0x5, 0x6, 0x7fffffff, 0x7, 0x224a, 0x8, 0x68962b70, 0x1, 0x200, 0x5, 0x7f, 0x4, 0x9, 0x10000, 0x8, 0x1, 0x800, 0x8, 0x4, 0x5, 0x4, 0x7, 0x10001, 0x81, 0x3ff, 0xfffffffc, 0x51, 0x1, 0x8, 0x8, 0x6, 0x6, 0xa8a8, 0x7, 0xfffffff7, 0xfffffffc]}, @TCA_HTB_RATE64={0xc, 0x6, 0x5}, @TCA_HTB_RATE64={0xc, 0x6, 0x8}]}}, @TCA_RATE={0x6, 0x5, {0x6, 0xe1}}]}, 0xdc8}, 0x1, 0x0, 0x0, 0x8004}, 0x80) r7 = socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f0000000140)={0x0, 0x5, 0x30, 0x401, 0x200}, &(0x7f0000000180)=0x18) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xa, &(0x7f0000000240)={0x8000, 0x7, 0x2, 0x0, 0x2, 0x7, 0x2, 0x0, r9}, &(0x7f0000000280)=0x20) recvmmsg(r7, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r7, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r8, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) [ 1527.290193][T26324] batman_adv: batadv0: Not using interface ipvlan236 (retrying later): interface not active 00:01:56 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r1, 0x401c5820, &(0x7f00000000c0)={0x20}) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r1, &(0x7f0000000080)=ANY=[], 0xfe6f) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r3, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$sock_ifreq(0xffffffffffffffff, 0x0, 0x0) ioctl$EXT4_IOC_MOVE_EXT(r2, 0xc028660f, &(0x7f0000000040)={0x0, r1, 0x4}) syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) [ 1527.359871][T26294] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 00:01:56 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400002011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1527.495038][T26335] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1527.602121][T26339] batman_adv: batadv0: Adding interface: ipvlan689 [ 1527.617424][T26339] batman_adv: batadv0: The MTU of interface ipvlan689 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1527.674021][T26339] batman_adv: batadv0: Not using interface ipvlan689 (retrying later): interface not active [ 1527.732440][T26341] batman_adv: batadv0: Adding interface: ipvlan352 [ 1527.739470][T26341] batman_adv: batadv0: The MTU of interface ipvlan352 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1527.767969][T26341] batman_adv: batadv0: Not using interface ipvlan352 (retrying later): interface not active 00:01:56 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000003140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1527.865719][T26359] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1527.927351][T26363] batman_adv: batadv0: Adding interface: ipvlan237 [ 1527.933880][T26363] batman_adv: batadv0: The MTU of interface ipvlan237 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1527.974381][T26363] batman_adv: batadv0: Not using interface ipvlan237 (retrying later): interface not active [ 1527.988528][T26335] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1528.008709][T26347] batman_adv: batadv0: Adding interface: ipvlan353 00:01:57 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400006011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:01:57 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d039500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1528.016783][T26347] batman_adv: batadv0: The MTU of interface ipvlan353 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1528.043357][T26347] batman_adv: batadv0: Not using interface ipvlan353 (retrying later): interface not active 00:01:57 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000005140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1528.117409][T26363] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1528.183252][T26387] batman_adv: batadv0: Adding interface: ipvlan238 [ 1528.225539][T26387] batman_adv: batadv0: The MTU of interface ipvlan238 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:01:57 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$sock_ifreq(0xffffffffffffffff, 0x0, 0x0) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') [ 1528.307972][T26387] batman_adv: batadv0: Not using interface ipvlan238 (retrying later): interface not active [ 1528.347337][T26392] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 00:01:57 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcdd001900000004000180"], 0x18}}, 0x0) 00:01:57 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400012911000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:01:57 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000006140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:01:57 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$sock_ifreq(0xffffffffffffffff, 0x0, 0x0) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1528.575950][T26396] batman_adv: batadv0: Adding interface: ipvlan690 [ 1528.582553][T26396] batman_adv: batadv0: The MTU of interface ipvlan690 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1528.679645][T26396] batman_adv: batadv0: Not using interface ipvlan690 (retrying later): interface not active [ 1528.717564][T26395] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:01:57 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1528.777388][T26399] batman_adv: batadv0: Adding interface: ipvlan354 [ 1528.786711][T26399] batman_adv: batadv0: The MTU of interface ipvlan354 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1528.817141][T26399] batman_adv: batadv0: Not using interface ipvlan354 (retrying later): interface not active [ 1528.870523][T26398] batman_adv: batadv0: Removing interface: ipvlan690 00:01:58 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1529.066652][T26416] batman_adv: batadv0: Adding interface: ipvlan239 [ 1529.075371][T26416] batman_adv: batadv0: The MTU of interface ipvlan239 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. 00:01:58 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1529.174336][T26416] batman_adv: batadv0: Not using interface ipvlan239 (retrying later): interface not active 00:01:58 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000007140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:01:58 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400586511000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1529.417319][T26445] batman_adv: batadv0: Adding interface: ipvlan690 [ 1529.423861][T26445] batman_adv: batadv0: The MTU of interface ipvlan690 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. [ 1529.502964][T26445] batman_adv: batadv0: Not using interface ipvlan690 (retrying later): interface not active [ 1529.566253][T26419] batman_adv: batadv0: Adding interface: ipvlan240 [ 1529.581054][T26419] batman_adv: batadv0: The MTU of interface ipvlan240 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. [ 1529.608118][T26419] batman_adv: batadv0: Not using interface ipvlan240 (retrying later): interface not active [ 1529.735172][T26468] batman_adv: batadv0: Adding interface: ipvlan355 [ 1529.764259][T26468] batman_adv: batadv0: The MTU of interface ipvlan355 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. [ 1529.814870][T26468] batman_adv: batadv0: Not using interface ipvlan355 (retrying later): interface not active [ 1529.891769][T26468] batman_adv: batadv0: Adding interface: ipvlan356 [ 1529.900427][T26468] batman_adv: batadv0: The MTU of interface ipvlan356 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. [ 1529.932618][T26468] batman_adv: batadv0: Not using interface ipvlan356 (retrying later): interface not active 00:01:59 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d009600"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:01:59 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) 00:01:59 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r3, r2, 0x0, 0x100000fffffffe) ioctl$PPPIOCGIDLE(r2, 0x8010743f, &(0x7f0000000000)) setsockopt$SO_J1939_FILTER(0xffffffffffffffff, 0x6b, 0x1, &(0x7f00000000c0)=[{0x1, 0x2, {0x0, 0x0, 0x4}, {0x0, 0x1}, 0xfe, 0x1}, {0x2, 0x2, {0x0, 0xf0}, {0x2, 0x1, 0x1}, 0x0, 0xff}, {0x1, 0x1, {0x2, 0x0, 0x3}, {0x1, 0xf0, 0x1}, 0x2, 0x1}, {0x1, 0x2, {0x2, 0xf0, 0x1}, {0x0, 0x0, 0x4}, 0xfd}, {0x0, 0x3, {0x2, 0xf0, 0x2}, {0x1, 0xfe, 0x2}, 0xfe, 0xff}, {0x3, 0x0, {0x2, 0x0, 0x3}, {0x0, 0xff, 0x3}, 0x0, 0xfd}, {0x0, 0x0, {0x2, 0x1, 0x1}, {0x0, 0xf, 0x4}, 0xff, 0xfe}, {0x0, 0x0, {0x1, 0x1}, {0x2, 0xff, 0x4}, 0x2, 0x1}], 0x100) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:01:59 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400003f11000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:01:59 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000009140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:01:59 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400006811000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:01:59 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) write$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) 00:01:59 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000006509140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1530.152461][T26489] batman_adv: batadv0: Adding interface: ipvlan241 [ 1530.186234][T26489] batman_adv: batadv0: The MTU of interface ipvlan241 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. 00:01:59 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) write$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1530.282955][T26489] batman_adv: batadv0: Not using interface ipvlan241 (retrying later): interface not active 00:01:59 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) write$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1530.489975][T26504] batman_adv: batadv0: Adding interface: ipvlan691 [ 1530.517975][T26504] batman_adv: batadv0: The MTU of interface ipvlan691 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. 00:01:59 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1530.605085][T26504] batman_adv: batadv0: Not using interface ipvlan691 (retrying later): interface not active [ 1530.674945][T26506] batman_adv: batadv0: Adding interface: ipvlan357 [ 1530.690723][T26506] batman_adv: batadv0: The MTU of interface ipvlan357 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:01:59 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1530.790774][T26506] batman_adv: batadv0: Not using interface ipvlan357 (retrying later): interface not active [ 1530.825859][T26510] batman_adv: batadv0: Removing interface: ipvlan691 [ 1531.020737][T26519] batman_adv: batadv0: Adding interface: ipvlan242 [ 1531.056808][T26519] batman_adv: batadv0: The MTU of interface ipvlan242 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. [ 1531.091165][T26519] batman_adv: batadv0: Not using interface ipvlan242 (retrying later): interface not active [ 1531.129884][T26513] batman_adv: batadv0: Adding interface: ipvlan358 [ 1531.139559][T26513] batman_adv: batadv0: The MTU of interface ipvlan358 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. [ 1531.175682][T26513] batman_adv: batadv0: Not using interface ipvlan358 (retrying later): interface not active 00:02:00 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d019600"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:00 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="000000000000000a140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:00 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) 00:02:00 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400004011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:00 executing program 1: r0 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(0xffffffffffffffff, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r2, r1, 0x0, 0x100000fffffffe) sendmsg$ETHTOOL_MSG_STRSET_GET(r1, &(0x7f0000000780)={0x0, 0x41d73e1d2308a860, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r0, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:02:00 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400006c11000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:00 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') r2 = socket(0x18, 0x0, 0x0) close(r2) r3 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r3, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @rand_addr=' \x01\x00'}], 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp6_SCTP_CONTEXT(r2, 0x84, 0x11, &(0x7f0000000000)={r4}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f00000000c0)={r4, @in6={{0xa, 0x4e23, 0x4, @rand_addr=' \x01\x00', 0xc743}}, 0x1f, 0xfff, 0x20, 0x4, 0x2}, &(0x7f0000000000)=0x98) recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:02:00 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r1, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(0xffffffffffffffff, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) 00:02:00 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="000000000000000c140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1531.681931][T26578] batman_adv: batadv0: Adding interface: ipvlan359 [ 1531.726017][T26578] batman_adv: batadv0: The MTU of interface ipvlan359 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. 00:02:00 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r1, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(0xffffffffffffffff, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1531.790269][T26578] batman_adv: batadv0: Not using interface ipvlan359 (retrying later): interface not active 00:02:01 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r1, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(0xffffffffffffffff, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1531.933720][T26579] batman_adv: batadv0: Adding interface: ipvlan243 [ 1531.973440][T26579] batman_adv: batadv0: The MTU of interface ipvlan243 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. [ 1532.034247][T26579] batman_adv: batadv0: Not using interface ipvlan243 (retrying later): interface not active 00:02:01 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1532.120173][T26585] batman_adv: batadv0: Adding interface: ipvlan691 [ 1532.127032][T26585] batman_adv: batadv0: The MTU of interface ipvlan691 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. [ 1532.156066][T26585] batman_adv: batadv0: Not using interface ipvlan691 (retrying later): interface not active [ 1532.169783][T26591] __nla_validate_parse: 17 callbacks suppressed [ 1532.169793][T26591] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1532.215566][T26591] batman_adv: batadv0: Removing interface: ipvlan691 [ 1532.304408][T26578] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1532.338265][T26608] batman_adv: batadv0: Adding interface: ipvlan360 [ 1532.353004][T26608] batman_adv: batadv0: The MTU of interface ipvlan360 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. [ 1532.424900][T26608] batman_adv: batadv0: Not using interface ipvlan360 (retrying later): interface not active [ 1532.451327][T26579] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1532.479301][T26588] batman_adv: batadv0: Adding interface: ipvlan244 [ 1532.496125][T26588] batman_adv: batadv0: The MTU of interface ipvlan244 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. [ 1532.554203][T26588] batman_adv: batadv0: Not using interface ipvlan244 (retrying later): interface not active [ 1532.572150][T26585] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 00:02:01 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d029600"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:01 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) 00:02:01 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="000000000000000e140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:01 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400007411000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:01 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400004811000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:01 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, 0xffffffffffffffff, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f00000005c0)='nl80211\x00') r4 = socket$tipc(0x1e, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000140)={'virt_wifi0\x00', 0x0}) sendmsg$NL80211_CMD_SET_WIPHY(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x28, r3, 0x11, 0x0, 0x0, {}, [@NL80211_ATTR_IFINDEX={0x8, 0x3, r5}, @NL80211_ATTR_WIPHY_COVERAGE_CLASS={0x5}, @NL80211_ATTR_WIPHY_DYN_ACK={0x4}]}, 0x28}}, 0x0) sendmsg$NL80211_CMD_SET_BSS(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x74, r3, 0x800, 0x70bd26, 0x25dfdbfd, {}, [@NL80211_ATTR_WDEV={0xc, 0x99, {0x1, 0x1}}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0xffffffffffffffff}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0x4}, @NL80211_STA_WME_MAX_SP={0x16, 0x2, "81248a6bde24062f49a00ef46bf69f2cbbe8"}, @NL80211_ATTR_AP_ISOLATE={0x5, 0x60, 0x7}, @NL80211_ATTR_BSS_CTS_PROT={0x5, 0x1c, 0x3}, @NL80211_ATTR_P2P_OPPPS={0x5}, @NL80211_ATTR_WDEV={0xc, 0x99, {0x4b6151c8}}, @NL80211_ATTR_AP_ISOLATE={0x5, 0x60, 0xce}]}, 0x74}, 0x1, 0x0, 0x0, 0x24000800}, 0x8000) r6 = socket$nl_route(0x10, 0x3, 0x0) r7 = socket(0x1, 0x803, 0x0) getsockname$packet(r7, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r6, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="5c0000001000030400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000002c00128009000100766c616e000000001c00028006000100000e00000c0002000e0000000a0000000400038008000500", @ANYRES32=r8, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r8], 0x5c}}, 0x0) r9 = socket$nl_route(0x10, 0x3, 0x0) r10 = socket(0x1, 0x803, 0x0) getsockname$packet(r10, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r9, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="5c0000001000030400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000002c00128009000100766c616e000000001c00028006000100000e00000c0002000e0000000a0000000400038008000500", @ANYRES32=r11, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r11], 0x5c}}, 0x0) sendmsg$NL80211_CMD_NEW_STATION(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x50, r3, 0x8, 0x70bd25, 0x25dfdbfd, {}, [@NL80211_ATTR_MAC={0xa, 0x6, @random="45d08496e86d"}, @NL80211_ATTR_MESH_PEER_AID={0x6, 0xed, 0x141}, @NL80211_ATTR_MAC={0xa, 0x6, @dev={[], 0xb}}, @NL80211_ATTR_WDEV={0xc, 0x99, {0xf54, 0x1}}, @NL80211_ATTR_STA_VLAN={0x8, 0x14, r8}, @NL80211_ATTR_IFINDEX={0x8, 0x3, r11}]}, 0x50}, 0x1, 0x0, 0x0, 0x4090}, 0x1) [ 1532.866513][T26653] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 00:02:02 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1532.987912][T26654] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:02:02 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="000000000000000f140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1533.106355][T26661] batman_adv: batadv0: Adding interface: ipvlan245 [ 1533.121656][T26661] batman_adv: batadv0: The MTU of interface ipvlan245 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:02:02 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) ioctl$FS_IOC_FSSETXATTR(0xffffffffffffffff, 0x401c5820, &(0x7f00000000c0)={0x20}) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000080)=ANY=[], 0xfe6f) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r1, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r0, 0xc028660f, &(0x7f0000000040)={0x0, 0xffffffffffffffff, 0x4}) [ 1533.160071][T26661] batman_adv: batadv0: Not using interface ipvlan245 (retrying later): interface not active [ 1533.200271][T26660] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 00:02:02 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) ioctl$FS_IOC_FSSETXATTR(0xffffffffffffffff, 0x401c5820, &(0x7f00000000c0)={0x20}) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000080)=ANY=[], 0xfe6f) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r1, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r0, 0xc028660f, &(0x7f0000000040)={0x0, 0xffffffffffffffff, 0x4}) [ 1533.303351][T26662] batman_adv: batadv0: Adding interface: ipvlan361 [ 1533.343945][T26662] batman_adv: batadv0: The MTU of interface ipvlan361 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1533.401501][T26662] batman_adv: batadv0: Not using interface ipvlan361 (retrying later): interface not active [ 1533.442994][T26667] batman_adv: batadv0: Adding interface: ipvlan691 00:02:02 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) ioctl$FS_IOC_FSSETXATTR(0xffffffffffffffff, 0x401c5820, &(0x7f00000000c0)={0x20}) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000080)=ANY=[], 0xfe6f) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r1, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r0, 0xc028660f, &(0x7f0000000040)={0x0, 0xffffffffffffffff, 0x4}) [ 1533.485103][T26667] batman_adv: batadv0: The MTU of interface ipvlan691 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. [ 1533.563970][T26667] batman_adv: batadv0: Not using interface ipvlan691 (retrying later): interface not active 00:02:02 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1533.655608][T26677] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1533.681410][T26677] batman_adv: batadv0: Removing interface: ipvlan691 [ 1533.759997][T26653] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1533.847813][T26690] batman_adv: batadv0: Adding interface: ipvlan246 [ 1533.873934][T26690] batman_adv: batadv0: The MTU of interface ipvlan246 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1533.914023][T26690] batman_adv: batadv0: Not using interface ipvlan246 (retrying later): interface not active [ 1533.927356][T26662] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1533.976174][T26701] batman_adv: batadv0: Adding interface: ipvlan362 [ 1533.982942][T26701] batman_adv: batadv0: The MTU of interface ipvlan362 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1534.033912][T26701] batman_adv: batadv0: Not using interface ipvlan362 (retrying later): interface not active [ 1534.248465][T26717] batman_adv: batadv0: Adding interface: ipvlan691 [ 1534.271136][T26717] batman_adv: batadv0: The MTU of interface ipvlan691 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1534.333876][T26717] batman_adv: batadv0: Not using interface ipvlan691 (retrying later): interface not active 00:02:03 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d039600"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:03 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000040140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:03 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) 00:02:03 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400004c11000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:03 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400007a11000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:03 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') bpf$BPF_BTF_LOAD(0x12, &(0x7f00000001c0)={&(0x7f00000002c0)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x18, 0x18, 0xa, [@struct={0x8, 0x1, 0x0, 0xf, 0x0, 0x20007, [{0x1, 0x0, 0x1800}]}]}, {0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x61]}}, &(0x7f0000000000)=""/250, 0x3a, 0xfa, 0xa}, 0x20) recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000300)=ANY=[@ANYBLOB="7917ba81ad2e15305fe052b4721b1b0f4b2afb3bbe9a7ebcbc0673ff9b0fdfcdeedc3d7e807aecb74ae0bc5db41b62254b38a91a90772c294903d99d6fd1de5c770b0499e7ae6a6635ec5223aeaa2e6b680bb488cbc63344dcc8ff7d0d7972292431a8b787e43e5791391a327623b8693fcb018577686ca9cc2a02570e50004cbdf8b71d94b1ea34771e3ab8bc6f2a8de0a7e31f4643650424dd3468a85214cc7d23b7d3cbea553ae8cdb11ca961c0528900bd7e4bd8834395c4b0fd792e71b2ba7a0ae91d4f1468", @ANYRES16=0x0, @ANYBLOB="03070006f3fffffcff0019000000040001801bfe7dcb1534fb56956446eb79433ef86a516aa3eea6fa6dc92adba7443932f67da1db76c2dd45162b00163910d8ab3d4caa0c4bb0c1b08fcf0fb45f281f6e8ceb6d6eaa9dcb76"], 0x18}}, 0x0) 00:02:03 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) 00:02:03 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000006558140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:03 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1534.820584][T26748] batman_adv: batadv0: Adding interface: ipvlan247 [ 1534.833971][T26748] batman_adv: batadv0: The MTU of interface ipvlan247 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. 00:02:03 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(0xffffffffffffffff, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1534.867304][T26748] batman_adv: batadv0: Not using interface ipvlan247 (retrying later): interface not active [ 1534.948607][T26752] batman_adv: batadv0: Adding interface: ipvlan692 [ 1534.978194][T26752] batman_adv: batadv0: The MTU of interface ipvlan692 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:02:04 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(0xffffffffffffffff, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1535.041136][T26752] batman_adv: batadv0: Not using interface ipvlan692 (retrying later): interface not active 00:02:04 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(0xffffffffffffffff, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1535.110301][T26756] batman_adv: batadv0: Adding interface: ipvlan363 [ 1535.126417][T26756] batman_adv: batadv0: The MTU of interface ipvlan363 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. [ 1535.208562][T26756] batman_adv: batadv0: Not using interface ipvlan363 (retrying later): interface not active [ 1535.249334][T26744] batman_adv: batadv0: Removing interface: ipvlan692 [ 1535.419598][T26779] batman_adv: batadv0: Adding interface: ipvlan248 [ 1535.434489][T26779] batman_adv: batadv0: The MTU of interface ipvlan248 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. [ 1535.461514][T26779] batman_adv: batadv0: Not using interface ipvlan248 (retrying later): interface not active [ 1535.491887][T26762] batman_adv: batadv0: Adding interface: ipvlan364 [ 1535.526498][T26762] batman_adv: batadv0: The MTU of interface ipvlan364 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. [ 1535.583823][T26762] batman_adv: batadv0: Not using interface ipvlan364 (retrying later): interface not active [ 1535.697737][T26799] batman_adv: batadv0: Adding interface: ipvlan692 [ 1535.713953][T26799] batman_adv: batadv0: The MTU of interface ipvlan692 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. [ 1535.769142][T26799] batman_adv: batadv0: Not using interface ipvlan692 (retrying later): interface not active 00:02:04 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d009700"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:04 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) 00:02:04 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFVLAN_ADD_VLAN_CMD(r0, 0x8982, &(0x7f0000000000)={0x0, 'veth0_macvtap\x00', {}, 0x5}) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') ioctl$EXT4_IOC_ALLOC_DA_BLKS(r0, 0x660c) recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}, 0x101}], 0x1, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:02:04 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000060140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:04 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400655811000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:04 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400037a11000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:05 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) 00:02:05 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000965140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1536.206834][T26824] batman_adv: batadv0: Adding interface: ipvlan249 00:02:05 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1536.249222][T26824] batman_adv: batadv0: The MTU of interface ipvlan249 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1536.317647][T26824] batman_adv: batadv0: Not using interface ipvlan249 (retrying later): interface not active [ 1536.361524][T26837] batman_adv: batadv0: Adding interface: ipvlan365 [ 1536.369624][T26837] batman_adv: batadv0: The MTU of interface ipvlan365 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1536.406166][T26837] batman_adv: batadv0: Not using interface ipvlan365 (retrying later): interface not active 00:02:05 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1536.455903][T26838] batman_adv: batadv0: Adding interface: ipvlan693 [ 1536.462718][T26838] batman_adv: batadv0: The MTU of interface ipvlan693 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. [ 1536.502282][T26838] batman_adv: batadv0: Not using interface ipvlan693 (retrying later): interface not active [ 1536.549675][T26845] batman_adv: batadv0: Removing interface: ipvlan693 00:02:05 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) 00:02:05 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000005865140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1536.738158][T26863] batman_adv: batadv0: Adding interface: ipvlan250 [ 1536.759080][T26863] batman_adv: batadv0: The MTU of interface ipvlan250 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1536.859024][T26863] batman_adv: batadv0: Not using interface ipvlan250 (retrying later): interface not active [ 1536.929157][T26866] batman_adv: batadv0: Adding interface: ipvlan366 [ 1536.956424][T26866] batman_adv: batadv0: The MTU of interface ipvlan366 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1537.016617][T26866] batman_adv: batadv0: Not using interface ipvlan366 (retrying later): interface not active [ 1537.220841][T26888] batman_adv: batadv0: Adding interface: ipvlan693 [ 1537.236877][T26888] batman_adv: batadv0: The MTU of interface ipvlan693 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1537.282765][T26888] batman_adv: batadv0: Not using interface ipvlan693 (retrying later): interface not active 00:02:06 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d019700"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:06 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400006011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:06 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400008111000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:06 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) 00:02:06 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000000)=ANY=[@ANYBLOB="180705b1ecdde955e2c9d9ec64e5a67900", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:02:06 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000081140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1537.476448][T26910] __nla_validate_parse: 15 callbacks suppressed [ 1537.476458][T26910] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:02:06 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1537.608121][T26926] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1537.644248][T26913] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 00:02:06 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000f0140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:06 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1537.727976][T26915] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1537.829870][T26916] batman_adv: batadv0: Adding interface: ipvlan367 00:02:06 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1537.860003][T26916] batman_adv: batadv0: The MTU of interface ipvlan367 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. [ 1537.937074][T26916] batman_adv: batadv0: Not using interface ipvlan367 (retrying later): interface not active 00:02:07 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1537.984499][T26919] batman_adv: batadv0: Adding interface: ipvlan694 [ 1538.001186][T26919] batman_adv: batadv0: The MTU of interface ipvlan694 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1538.066037][T26919] batman_adv: batadv0: Not using interface ipvlan694 (retrying later): interface not active [ 1538.099281][T26918] batman_adv: batadv0: Adding interface: ipvlan251 00:02:07 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1538.112268][T26918] batman_adv: batadv0: The MTU of interface ipvlan251 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. [ 1538.141549][T26918] batman_adv: batadv0: Not using interface ipvlan251 (retrying later): interface not active [ 1538.203824][T26916] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1538.237265][T26922] batman_adv: batadv0: Adding interface: ipvlan368 [ 1538.251039][T26922] batman_adv: batadv0: The MTU of interface ipvlan368 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. [ 1538.288034][T26922] batman_adv: batadv0: Not using interface ipvlan368 (retrying later): interface not active [ 1538.302489][T26919] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1538.391877][T26957] batman_adv: batadv0: Adding interface: ipvlan695 [ 1538.398598][T26957] batman_adv: batadv0: The MTU of interface ipvlan695 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. 00:02:07 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d029700"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1538.445889][T26957] batman_adv: batadv0: Not using interface ipvlan695 (retrying later): interface not active [ 1538.458224][T26918] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1538.503398][T26927] batman_adv: batadv0: Adding interface: ipvlan252 [ 1538.522650][T26927] batman_adv: batadv0: The MTU of interface ipvlan252 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. 00:02:07 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400586511000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:07 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="000000000000fffe140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:07 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) 00:02:07 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000040)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="fffcbcbaeb720c90ff00190000000400015d000000000000"], 0x18}}, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r2, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 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) r6 = syz_genetlink_get_family_id$batadv(&(0x7f0000000000)='batadv\x00') r7 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r7, 0x8933, &(0x7f0000000100)={'batadv0\x00', 0x0}) sendmsg$BATADV_CMD_GET_MCAST_FLAGS(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000007c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r6, @ANYBLOB="01030000000000f9b77ea2bbc87e9643a13733943ebee017bba21c4a590810b300000005000000f45000000000000080019e7c48669334643be6d8a164bcef687081bf33c8ba2201e3", @ANYRES32=r8, @ANYBLOB], 0x1c}}, 0x0) sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x34, r6, 0x800, 0x70bd2b, 0x25dfdbfc, {}, [@BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x8}, @BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x4c044}, 0x4000005) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="5c0000001000030400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000002c00128009000100766c616e000000001c00028006000100000e00000c0002000e0000000a0000000400038008000500", @ANYRES32=r5, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r5], 0x5c}}, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r2, 0x8933, &(0x7f0000000000)={'batadv0\x00', r5}) 00:02:07 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="440011ba11000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1538.554496][T26927] batman_adv: batadv0: Not using interface ipvlan252 (retrying later): interface not active [ 1538.567660][T26972] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 00:02:07 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, 0x0, 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1538.753405][T26976] batman_adv: batadv0: Adding interface: ipvlan696 [ 1538.770967][T26976] batman_adv: batadv0: The MTU of interface ipvlan696 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. [ 1538.864712][T26976] batman_adv: batadv0: Not using interface ipvlan696 (retrying later): interface not active 00:02:07 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, 0x0, 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1538.943832][T26984] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. 00:02:08 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000fff140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1538.992485][T26984] batman_adv: batadv0: Removing interface: ipvlan696 00:02:08 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, 0x0, 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1539.115039][T26986] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:02:08 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1539.314790][T26994] batman_adv: batadv0: Adding interface: ipvlan369 [ 1539.328713][T26994] batman_adv: batadv0: The MTU of interface ipvlan369 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1539.356207][T26994] batman_adv: batadv0: Not using interface ipvlan369 (retrying later): interface not active 00:02:08 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1539.389965][T26995] batman_adv: batadv0: Adding interface: ipvlan253 [ 1539.405416][T26995] batman_adv: batadv0: The MTU of interface ipvlan253 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. [ 1539.491490][T26995] batman_adv: batadv0: Not using interface ipvlan253 (retrying later): interface not active [ 1539.727113][T27034] batman_adv: batadv0: Adding interface: ipvlan696 [ 1539.748042][T27034] batman_adv: batadv0: The MTU of interface ipvlan696 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. [ 1539.803465][T27034] batman_adv: batadv0: Not using interface ipvlan696 (retrying later): interface not active [ 1539.894282][T26995] batman_adv: batadv0: Adding interface: ipvlan254 [ 1539.900830][T26995] batman_adv: batadv0: The MTU of interface ipvlan254 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. [ 1539.935605][T26995] batman_adv: batadv0: Not using interface ipvlan254 (retrying later): interface not active 00:02:09 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d039700"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:09 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) 00:02:09 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="000000000000feff140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:09 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r3, r2, 0x0, 0x100000fffffffe) r4 = socket(0x18, 0x0, 0x0) close(r4) r5 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r5, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @rand_addr=' \x01\x00'}], 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp6_SCTP_CONTEXT(r4, 0x84, 0x11, &(0x7f0000000000)={r6}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r2, 0x84, 0x78, &(0x7f0000000000)=r6, 0x4) recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f00000001c0)=ANY=[@ANYBLOB="831b8a0f3fdc635829b48c39180615d2ab48d92063eb2b6492a8908ab0c1d2ccb811130655b2c67b344c16ab5f0c617202aad7bcf66a4819dd61d3b485226761f77d58eba9c8df94febe5cf5aceaed2f71002ed0f331f29b09410dc371dec6fb5503541987727fc84ab30c464ac723599aefdec48588", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:02:09 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="440000f011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:09 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400006811000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:09 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000030012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:09 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1540.407875][T27069] batman_adv: batadv0: Adding interface: ipvlan255 [ 1540.422081][T27069] batman_adv: batadv0: The MTU of interface ipvlan255 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. [ 1540.451645][T27069] batman_adv: batadv0: Not using interface ipvlan255 (retrying later): interface not active 00:02:09 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1540.497568][T27070] batman_adv: batadv0: Adding interface: ipvlan370 [ 1540.525243][T27070] batman_adv: batadv0: The MTU of interface ipvlan370 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1540.593454][T27070] batman_adv: batadv0: Not using interface ipvlan370 (retrying later): interface not active 00:02:09 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1540.637257][T27076] batman_adv: batadv0: Adding interface: ipvlan697 [ 1540.650584][T27076] batman_adv: batadv0: The MTU of interface ipvlan697 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. [ 1540.713394][T27076] batman_adv: batadv0: Not using interface ipvlan697 (retrying later): interface not active [ 1540.751960][T27085] batman_adv: batadv0: Removing interface: ipvlan697 00:02:09 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000002140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:09 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, 0x0, 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1540.855092][T27099] batman_adv: batadv0: Adding interface: ipvlan256 [ 1540.866363][T27099] batman_adv: batadv0: The MTU of interface ipvlan256 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1540.933558][T27099] batman_adv: batadv0: Not using interface ipvlan256 (retrying later): interface not active [ 1540.996114][T27103] batman_adv: batadv0: Adding interface: ipvlan371 [ 1541.013638][T27103] batman_adv: batadv0: The MTU of interface ipvlan371 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1541.064142][T27103] batman_adv: batadv0: Not using interface ipvlan371 (retrying later): interface not active [ 1541.226324][T27124] batman_adv: batadv0: Adding interface: ipvlan697 [ 1541.232876][T27124] batman_adv: batadv0: The MTU of interface ipvlan697 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1541.293431][T27124] batman_adv: batadv0: Not using interface ipvlan697 (retrying later): interface not active 00:02:10 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d009800"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:10 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, 0x0, 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) 00:02:10 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400006c11000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:10 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f0000000240)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000008c0)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000300)=@newqdisc={0x34, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r6, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_cake={{0x9, 0x1, 'cake\x00'}, {0x4}}]}, 0x34}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000080)=@newqdisc={0x40, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r6, {}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_etf={{0x8, 0x1, 'etf\x00'}, {0x14, 0x2, @TCA_ETF_PARMS={0x10, 0x1, {0x0, 0xb}}}}]}, 0x40}}, 0x0) recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:02:10 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000080000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:10 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000003140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:10 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, 0x0, 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) 00:02:10 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000004140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:10 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r1, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(0xffffffffffffffff, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1541.669635][T27153] batman_adv: batadv0: Adding interface: ipvlan372 [ 1541.692246][T27153] batman_adv: batadv0: The MTU of interface ipvlan372 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:02:10 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r1, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(0xffffffffffffffff, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1541.813485][T27153] batman_adv: batadv0: Not using interface ipvlan372 (retrying later): interface not active [ 1541.959299][T27157] batman_adv: batadv0: Adding interface: ipvlan257 [ 1541.966574][T27157] batman_adv: batadv0: The MTU of interface ipvlan257 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. [ 1541.995017][T27157] batman_adv: batadv0: Not using interface ipvlan257 (retrying later): interface not active 00:02:11 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r1, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(0xffffffffffffffff, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1542.078956][T27163] batman_adv: batadv0: Adding interface: ipvlan698 [ 1542.112561][T27163] batman_adv: batadv0: The MTU of interface ipvlan698 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1542.141320][T27163] batman_adv: batadv0: Not using interface ipvlan698 (retrying later): interface not active [ 1542.165306][T27172] batman_adv: batadv0: Removing interface: ipvlan698 00:02:11 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, 0x0) [ 1542.298291][T27184] batman_adv: batadv0: Adding interface: ipvlan373 [ 1542.317614][T27184] batman_adv: batadv0: The MTU of interface ipvlan373 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. [ 1542.345112][T27184] batman_adv: batadv0: Not using interface ipvlan373 (retrying later): interface not active [ 1542.385181][T27194] batman_adv: batadv0: Adding interface: ipvlan258 [ 1542.409063][T27194] batman_adv: batadv0: The MTU of interface ipvlan258 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. [ 1542.467470][T27194] batman_adv: batadv0: Not using interface ipvlan258 (retrying later): interface not active [ 1542.488300][T27163] __nla_validate_parse: 20 callbacks suppressed [ 1542.488311][T27163] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 00:02:11 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d019800"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:11 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000005140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:11 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, 0x0) 00:02:11 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000400000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:11 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400007411000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:11 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') r1 = socket(0x1, 0x803, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=ANY=[@ANYBLOB="5c0000001000030400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000002c00128009000100766c616e000000001c00028006000100000e00000c0002000e0000000a00000004000380080005008e2e0102a97653699cd27a604878db07b4c3183ddce4fe1479c1e9220c4e569efeafd1dfae3fe420578e39c01cee9901e8aca8b34e4c096c38f2b2fec4e8f1634ad1caa84fd42bfdbb13ac53447a000fb5b341d3c89db10a5f2a4ff051f00d19ff5cdd47f92918d6bdc99ff4383a03f4a87434a94bd15c91fda884a5d83a45a8bbc08bfe0ea4b5c18dc69055ca84bff9b8de46ed00000000", @ANYRES32=r2, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r2], 0x5c}}, 0x0) r3 = socket$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)={&(0x7f0000000140)=ANY=[@ANYBLOB="5c0000001000030400"/20, @ANYRESOCT, @ANYBLOB="00000000000000002c00128009000100766c616e000000001c00028006000100000e00000c0002000e0000000a0000000400038008000500", @ANYRES32=r5, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r5], 0x5c}}, 0x0) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r6, 0x0) getsockopt$inet_IP_IPSEC_POLICY(r6, 0x0, 0x10, &(0x7f0000000800)={{{@in6=@loopback, @in=@empty, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in6=@mcast2}}, &(0x7f0000000900)=0xe8) r8 = socket$nl_route(0x10, 0x3, 0x0) r9 = socket(0x1, 0x803, 0x0) getsockname$packet(r9, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r8, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="5c0000001000030400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000002c00128009000100766c616e000000001c00028006000100000e00000c0002000e0000000a0000000400038008000500", @ANYRES32=r10, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r10], 0x5c}}, 0x0) sendmsg$ETHTOOL_MSG_LINKINFO_GET(0xffffffffffffffff, &(0x7f0000000b40)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000b00)={&(0x7f0000000940)=ANY=[@ANYBLOB="98010000", @ANYRES16=0x0, @ANYBLOB="000827bd7000fbdbdf25020000002c000180140002006272696467655f736c6176655f3100001400020073797a5f74756e0000000000000000004c00018008000100", @ANYRES32=0x0, @ANYBLOB="1400020065727370616e3000000000000000000008000300010000000800030001000000140002007767320000000000000000000000000008000300020000003800018014000200766c616e300000000000000000000000080003000100000008000100", @ANYRES32=0x0, @ANYBLOB="080003000300000008000100", @ANYRES32=0x0, @ANYBLOB="040001803000018008000100", @ANYRES32=0x0, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="0800030001000000140002006c6f0000000000000000000000000000480001801400020074756e6c300000000000000000000000080003000000000008000100", @ANYRES32=r2, @ANYBLOB="080003000300000008000100", @ANYRES32=r5, @ANYBLOB="080003000100000008000300020000003c000180080003000000000008000100", @ANYRES32=r7, @ANYBLOB="14000200766c616e30000014000200"/31, @ANYRES32=r10, @ANYBLOB="0800030002000000"], 0x198}, 0x1, 0x0, 0x0, 0x4800}, 0x4000) recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[], 0x18}}, 0x0) [ 1542.758923][T27230] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 00:02:11 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, 0x0) 00:02:12 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000006140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1542.925347][T27232] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:02:12 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, 0xffffffffffffffff, 0x4}) [ 1543.057551][T27228] netlink: 60 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1543.083222][T27233] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1543.202335][T27235] batman_adv: batadv0: Adding interface: ipvlan259 [ 1543.217308][T27235] batman_adv: batadv0: The MTU of interface ipvlan259 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. 00:02:12 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, 0xffffffffffffffff, 0x4}) [ 1543.299021][T27235] batman_adv: batadv0: Not using interface ipvlan259 (retrying later): interface not active [ 1543.390872][T27240] batman_adv: batadv0: Adding interface: ipvlan698 [ 1543.407915][T27240] batman_adv: batadv0: The MTU of interface ipvlan698 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:02:12 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, 0xffffffffffffffff, 0x4}) [ 1543.511474][T27240] batman_adv: batadv0: Not using interface ipvlan698 (retrying later): interface not active [ 1543.575613][T27238] batman_adv: batadv0: Adding interface: ipvlan374 [ 1543.597234][T27238] batman_adv: batadv0: The MTU of interface ipvlan374 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. 00:02:12 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0}) [ 1543.683562][T27238] batman_adv: batadv0: Not using interface ipvlan374 (retrying later): interface not active [ 1543.705094][T27244] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1543.749831][T27244] batman_adv: batadv0: Removing interface: ipvlan698 [ 1543.893510][T27230] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1543.938586][T27243] batman_adv: batadv0: Adding interface: ipvlan260 [ 1543.970179][T27243] batman_adv: batadv0: The MTU of interface ipvlan260 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1544.027217][T27243] batman_adv: batadv0: Not using interface ipvlan260 (retrying later): interface not active [ 1544.054717][T27252] netlink: 60 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1544.084966][T27245] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1544.103442][T27240] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 00:02:13 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d029800"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:13 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0}) 00:02:13 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000007140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:13 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r1, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[], 0x18}}, 0x0) 00:02:13 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400007a11000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:13 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="440000000f000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:13 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000009140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:13 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0}) [ 1544.657947][T27324] batman_adv: batadv0: Adding interface: ipvlan261 [ 1544.665521][T27324] batman_adv: batadv0: The MTU of interface ipvlan261 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. [ 1544.691658][T27324] batman_adv: batadv0: Not using interface ipvlan261 (retrying later): interface not active [ 1544.788225][T27326] batman_adv: batadv0: Adding interface: ipvlan375 00:02:13 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0}) [ 1544.814071][T27326] batman_adv: batadv0: The MTU of interface ipvlan375 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1544.902068][T27326] batman_adv: batadv0: Not using interface ipvlan375 (retrying later): interface not active [ 1544.998907][T27331] batman_adv: batadv0: Adding interface: ipvlan698 [ 1545.015873][T27331] batman_adv: batadv0: The MTU of interface ipvlan698 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:02:14 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') r1 = socket(0x1, 0x803, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=ANY=[@ANYBLOB="5c0000001000030400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000002c00128009000100766c616e000000001c00028006000100000e00000c0002000e0000000a00000004000380080005008e2e0102a97653699cd27a604878db07b4c3183ddce4fe1479c1e9220c4e569efeafd1dfae3fe420578e39c01cee9901e8aca8b34e4c096c38f2b2fec4e8f1634ad1caa84fd42bfdbb13ac53447a000fb5b341d3c89db10a5f2a4ff051f00d19ff5cdd47f92918d6bdc99ff4383a03f4a87434a94bd15c91fda884a5d83a45a8bbc08bfe0ea4b5c18dc69055ca84bff9b8de46ed00000000", @ANYRES32=r2, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r2], 0x5c}}, 0x0) r3 = socket$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)={&(0x7f0000000140)=ANY=[@ANYBLOB="5c0000001000030400"/20, @ANYRESOCT, @ANYBLOB="00000000000000002c00128009000100766c616e000000001c00028006000100000e00000c0002000e0000000a0000000400038008000500", @ANYRES32=r5, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r5], 0x5c}}, 0x0) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r6, 0x0) getsockopt$inet_IP_IPSEC_POLICY(r6, 0x0, 0x10, &(0x7f0000000800)={{{@in6=@loopback, @in=@empty, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in6=@mcast2}}, &(0x7f0000000900)=0xe8) r8 = socket$nl_route(0x10, 0x3, 0x0) r9 = socket(0x1, 0x803, 0x0) getsockname$packet(r9, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r8, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="5c0000001000030400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000002c00128009000100766c616e000000001c00028006000100000e00000c0002000e0000000a0000000400038008000500", @ANYRES32=r10, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r10], 0x5c}}, 0x0) sendmsg$ETHTOOL_MSG_LINKINFO_GET(0xffffffffffffffff, &(0x7f0000000b40)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000b00)={&(0x7f0000000940)=ANY=[@ANYBLOB="98010000", @ANYRES16=0x0, @ANYBLOB="000827bd7000fbdbdf25020000002c000180140002006272696467655f736c6176655f3100001400020073797a5f74756e0000000000000000004c00018008000100", @ANYRES32=0x0, @ANYBLOB="1400020065727370616e3000000000000000000008000300010000000800030001000000140002007767320000000000000000000000000008000300020000003800018014000200766c616e300000000000000000000000080003000100000008000100", @ANYRES32=0x0, @ANYBLOB="080003000300000008000100", @ANYRES32=0x0, @ANYBLOB="040001803000018008000100", @ANYRES32=0x0, @ANYBLOB="08000100", @ANYRES32=0x0, @ANYBLOB="0800030001000000140002006c6f0000000000000000000000000000480001801400020074756e6c300000000000000000000000080003000000000008000100", @ANYRES32=r2, @ANYBLOB="080003000300000008000100", @ANYRES32=r5, @ANYBLOB="080003000100000008000300020000003c000180080003000000000008000100", @ANYRES32=r7, @ANYBLOB="14000200766c616e30000014000200"/31, @ANYRES32=r10, @ANYBLOB="0800030002000000"], 0x198}, 0x1, 0x0, 0x0, 0x4800}, 0x4000) recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[], 0x18}}, 0x0) [ 1545.057968][T27331] batman_adv: batadv0: Not using interface ipvlan698 (retrying later): interface not active 00:02:14 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="000000000000000a140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1545.141635][T27339] batman_adv: batadv0: Removing interface: ipvlan698 [ 1545.240653][T27347] batman_adv: batadv0: Adding interface: ipvlan262 [ 1545.253774][T27347] batman_adv: batadv0: The MTU of interface ipvlan262 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. 00:02:14 executing program 1: sendmsg$NFT_MSG_GETCHAIN(0xffffffffffffffff, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000005180)=[{{&(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @multicast2}}}, 0x80, &(0x7f0000000380)=[{&(0x7f0000000200)=""/144, 0x90}, {&(0x7f00000002c0)=""/63, 0x3f}, {&(0x7f0000002f00)=""/85, 0x55}], 0x3, &(0x7f00000007c0)=""/4096, 0x1000}, 0x3}, {{&(0x7f00000003c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @dev}}}, 0x80, &(0x7f0000002880)=[{&(0x7f0000000480)=""/83, 0x53}, {&(0x7f00000017c0)=""/4096, 0x1000}, {&(0x7f0000004ac0)=""/166, 0xa6}, {&(0x7f00000005c0)=""/118, 0x76}, {&(0x7f0000000640)=""/250, 0xfa}, {&(0x7f00000027c0)=""/139, 0x8b}], 0x6, &(0x7f0000002900)=""/3, 0x3}, 0x9931}, {{&(0x7f0000000300)=@can, 0x80, &(0x7f0000002a40)=[{&(0x7f0000000740)=""/71, 0x47}], 0x1, &(0x7f0000002ac0)=""/54, 0x36}, 0x5c99}, {{0x0, 0x0, &(0x7f0000004300)=[{&(0x7f0000002f80)=""/4096, 0x1000}, {&(0x7f0000000040)=""/52, 0x34}, {&(0x7f0000002940)=""/203, 0xcb}, {&(0x7f0000002bc0)=""/163, 0xa3}, {&(0x7f0000003f80)=""/242, 0xf2}, {&(0x7f0000004080)=""/120, 0x78}, {&(0x7f0000004100)=""/208, 0xd0}, {&(0x7f0000004200)=""/118, 0x76}, {&(0x7f0000004280)=""/81, 0x51}], 0x9, &(0x7f0000002ec0)=""/58, 0x3a}, 0x20}, {{&(0x7f00000043c0)=@nfc, 0x80, &(0x7f0000004580)=[{&(0x7f0000004440)=""/159, 0x9f}, {&(0x7f0000004500)=""/79, 0x4f}], 0x2, &(0x7f00000045c0)=""/150, 0x96}, 0x3}, {{0x0, 0x0, &(0x7f0000004b80)=[{&(0x7f0000004680)=""/206, 0xce}, {&(0x7f0000004780)=""/241, 0xf1}, {&(0x7f0000004880)=""/156, 0x9c}, {&(0x7f0000004940)=""/224, 0xe0}, {&(0x7f0000004a40)=""/124, 0x7c}, {&(0x7f0000005340)=""/129, 0x81}], 0x6, &(0x7f0000004c00)=""/97, 0x61}, 0x7}, {{&(0x7f0000004c80)=@pptp={0x18, 0x2, {0x0, @empty}}, 0x80, &(0x7f00000050c0)=[{&(0x7f0000000500)=""/18, 0x12}, {&(0x7f0000004d40)=""/212, 0xd4}, {&(0x7f0000004e40)=""/225, 0xe1}, {&(0x7f0000004f40)=""/238, 0xee}, {&(0x7f0000005040)=""/97, 0x61}], 0x5, &(0x7f0000005140)=""/63, 0x3f}, 0x4}], 0x7, 0x2000, &(0x7f0000002b80)) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') r0 = accept4$tipc(0xffffffffffffffff, &(0x7f0000000080)=@name, &(0x7f00000000c0)=0x10, 0x80000) getsockopt$TIPC_GROUP_JOIN(r0, 0x10f, 0x87, &(0x7f0000000100), &(0x7f0000000140)=0x4) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)) socket(0x10, 0x803, 0x0) socket$inet6_sctp(0xa, 0x5, 0x84) socket$inet(0x2, 0x80001, 0x0) socket$inet(0x10, 0x2, 0x0) syz_init_net_socket$netrom(0x6, 0x5, 0x0) socket$netlink(0x10, 0x3, 0x0) pipe(&(0x7f0000000100)) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x1, 0x803, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000005400)=ANY=[@ANYBLOB="4000000000004ef3f954170bef0000000000000000f90800000000", @ANYRES32=0x0, @ANYBLOB="0000000000000000180012800e0401007769726567756172640000000400028008000a00", @ANYRES32=r3, @ANYBLOB="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"], 0x40}}, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000002c80)={'batadv0\x00'}) [ 1545.356234][T27347] batman_adv: batadv0: Not using interface ipvlan262 (retrying later): interface not active [ 1545.545942][T27377] batman_adv: batadv0: Adding interface: ipvlan698 [ 1545.552489][T27377] batman_adv: batadv0: The MTU of interface ipvlan698 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. [ 1545.613047][T27377] batman_adv: batadv0: Not using interface ipvlan698 (retrying later): interface not active [ 1545.678304][T27331] batman_adv: batadv0: Removing interface: ipvlan698 00:02:15 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d039800"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:15 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400008111000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:15 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000211000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:15 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="000000000000000c140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:15 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000095", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) socket(0x2, 0x800, 0x7) 00:02:15 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, 0xffffffffffffffff, 0x4}) 00:02:15 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="000000000000000e140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1546.269379][T27412] batman_adv: batadv0: Adding interface: ipvlan376 [ 1546.292421][T27412] batman_adv: batadv0: The MTU of interface ipvlan376 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. [ 1546.352143][T27412] batman_adv: batadv0: Not using interface ipvlan376 (retrying later): interface not active [ 1546.413331][T27415] batman_adv: batadv0: Adding interface: ipvlan263 [ 1546.431919][T27415] batman_adv: batadv0: The MTU of interface ipvlan263 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. [ 1546.471501][T27415] batman_adv: batadv0: Not using interface ipvlan263 (retrying later): interface not active [ 1546.499937][T27417] batman_adv: batadv0: Adding interface: ipvlan698 00:02:15 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, 0x0) [ 1546.510007][T27417] batman_adv: batadv0: The MTU of interface ipvlan698 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1546.537227][T27417] batman_adv: batadv0: Not using interface ipvlan698 (retrying later): interface not active [ 1546.559183][T27425] batman_adv: batadv0: Removing interface: ipvlan698 00:02:15 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="000000000000000f140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1546.670994][T27440] batman_adv: batadv0: Adding interface: ipvlan377 [ 1546.687639][T27440] batman_adv: batadv0: The MTU of interface ipvlan377 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1546.720492][T27440] batman_adv: batadv0: Not using interface ipvlan377 (retrying later): interface not active 00:02:15 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000311000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:15 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000080000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1546.768139][T27422] batman_adv: batadv0: Adding interface: ipvlan264 [ 1546.780985][T27422] batman_adv: batadv0: The MTU of interface ipvlan264 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1546.872017][T27422] batman_adv: batadv0: Not using interface ipvlan264 (retrying later): interface not active 00:02:15 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="440016c211000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1547.119692][T27468] batman_adv: batadv0: Adding interface: ipvlan698 [ 1547.135831][T27468] batman_adv: batadv0: The MTU of interface ipvlan698 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. [ 1547.179023][T27468] batman_adv: batadv0: Not using interface ipvlan698 (retrying later): interface not active [ 1547.215581][T27469] batman_adv: batadv0: Adding interface: ipvlan36 [ 1547.222237][T27469] batman_adv: batadv0: The MTU of interface ipvlan36 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. [ 1547.249235][T27469] batman_adv: batadv0: Not using interface ipvlan36 (retrying later): interface not active [ 1547.341181][T27475] batman_adv: batadv0: Adding interface: ipvlan378 [ 1547.348322][T27475] batman_adv: batadv0: The MTU of interface ipvlan378 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. [ 1547.407010][T27475] batman_adv: batadv0: Not using interface ipvlan378 (retrying later): interface not active [ 1547.456885][T27487] batman_adv: batadv0: Adding interface: ipvlan265 [ 1547.464634][T27487] batman_adv: batadv0: The MTU of interface ipvlan265 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. [ 1547.493855][T27487] batman_adv: batadv0: Not using interface ipvlan265 (retrying later): interface not active [ 1547.507351][T27475] __nla_validate_parse: 19 callbacks suppressed [ 1547.507360][T27475] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:02:16 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d009900"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:16 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r3, r2, 0x0, 0x100000fffffffe) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f00000005c0)='nl80211\x00') r6 = socket$tipc(0x1e, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r6, 0x8933, &(0x7f0000000140)={'virt_wifi0\x00', 0x0}) sendmsg$NL80211_CMD_SET_WIPHY(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x28, r5, 0x11, 0x0, 0x0, {}, [@NL80211_ATTR_IFINDEX={0x8, 0x3, r7}, @NL80211_ATTR_WIPHY_COVERAGE_CLASS={0x5}, @NL80211_ATTR_WIPHY_DYN_ACK={0x4}]}, 0x28}}, 0x0) sendmsg$NL80211_CMD_SET_BSS(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)=ANY=[@ANYBLOB='t\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="26bd7051c0c5ba887b02003c7d000000006600fddbdf25190000000c009900010000000100000008000100ffffffff08000100040000001600100081248a6bde24062f49a00ef46bf69f2cbbe80000050060000700000005001c00030000000500a30000"], 0x74}, 0x1, 0x0, 0x0, 0x24000800}, 0x8000) getsockopt$inet_sctp6_SCTP_RECVRCVINFO(0xffffffffffffffff, 0x84, 0x20, &(0x7f0000000140), &(0x7f0000000180)=0x4) sendmsg$inet6(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000340)={0xa, 0x4e22, 0x5, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x9}, 0x1c, &(0x7f0000000380)=[{&(0x7f0000000480)="6d9aae9490a72b9de60a5b613d26a0e26e236255ddfc740746c70a4c394905660543d26fb6c2a273de78646d63fdad900c0c6de1b5058445583f99bf08ed8cd287e628812f7ab142852ef741b143b77b95354f41e53eceb3aadb1608eacae05e31ebfdc386feae875b71e7fa3c484cfd8f3af045f9f99b5b5bc086622be84382c51fc22e177d5e694fbd2be4372083f70bc6c8517dcf15b7c9a7b90ddb5786ff1f1ece11f26f0220763cb43c441de76aeffbb029a3ebb7482f32900173e12b887d0df97714157b5b646a026f42868d6c3f25fcd7632d1bc66765e909d9232a37ae24c70662929f6d2e0fc1e93a723fe0a6a92fd0c558", 0xf6}], 0x1, &(0x7f0000000600)=[@hopopts_2292={{0x40, 0x29, 0x36, {0x3b, 0x4, [], [@ra={0x5, 0x2, 0x6}, @jumbo={0xc2, 0x4, 0x38}, @calipso={0x7, 0x18, {0x2, 0x4, 0x1, 0x0, [0x800, 0xffff]}}]}}}, @dontfrag={{0x14, 0x29, 0x3e, 0x6}}, @hopopts={{0x20, 0x29, 0x36, {0x16, 0x0, [], [@ra={0x5, 0x2, 0x56}]}}}], 0x78}, 0x40014) r8 = socket$nl_route(0x10, 0x3, 0x0) r9 = socket(0x1, 0x803, 0x0) getsockname$packet(r9, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r8, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="5c0000001000030400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000002c00128009000100766c616e000000001c00028006000100000e00000c0002000e0000000a0000000400038008000500", @ANYRES32=r10, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r10], 0x5c}}, 0x0) sendmsg$NL80211_CMD_GET_WIPHY(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x44, r5, 0x8, 0x70bd28, 0x25dfdbfc, {}, [@NL80211_ATTR_WDEV={0xc, 0x99, {0x1, 0x3}}, @NL80211_ATTR_WDEV={0xc, 0x99, {0xc4, 0x2}}, @NL80211_ATTR_IFINDEX={0x8}, @NL80211_ATTR_IFINDEX={0x8, 0x3, r10}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0x2}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) 00:02:16 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000010140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:16 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r1, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(0xffffffffffffffff, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1547.590426][T27509] batman_adv: batadv0: Adding interface: ipvlan379 [ 1547.617996][T27509] batman_adv: batadv0: The MTU of interface ipvlan379 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1547.670611][T27509] batman_adv: batadv0: Not using interface ipvlan379 (retrying later): interface not active [ 1547.685425][T27478] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 00:02:16 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000411000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:16 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1547.745032][T27515] batman_adv: batadv0: Adding interface: ipvlan266 [ 1547.768407][T27515] batman_adv: batadv0: The MTU of interface ipvlan266 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. 00:02:16 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="440000f011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1547.850233][T27515] batman_adv: batadv0: Not using interface ipvlan266 (retrying later): interface not active 00:02:17 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000060140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1547.894756][T27520] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 00:02:17 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1548.029639][T27522] batman_adv: batadv0: Adding interface: ipvlan699 [ 1548.054590][T27522] batman_adv: batadv0: The MTU of interface ipvlan699 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1548.158295][T27522] batman_adv: batadv0: Not using interface ipvlan699 (retrying later): interface not active [ 1548.194871][T27528] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1548.228355][T27528] batman_adv: batadv0: Removing interface: ipvlan699 00:02:17 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, 0x0, 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1548.359091][T27532] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1548.430706][T27535] batman_adv: batadv0: Adding interface: ipvlan380 [ 1548.455344][T27535] batman_adv: batadv0: The MTU of interface ipvlan380 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. 00:02:17 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1548.546331][T27535] batman_adv: batadv0: Not using interface ipvlan380 (retrying later): interface not active [ 1548.579613][T27543] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 00:02:17 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400037a11000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1548.665866][T27549] batman_adv: batadv0: Adding interface: ipvlan267 [ 1548.681755][T27549] batman_adv: batadv0: The MTU of interface ipvlan267 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. [ 1548.742889][T27549] batman_adv: batadv0: Not using interface ipvlan267 (retrying later): interface not active [ 1548.809055][T27520] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1548.919859][T27571] batman_adv: batadv0: Adding interface: ipvlan699 [ 1548.930974][T27571] batman_adv: batadv0: The MTU of interface ipvlan699 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. [ 1548.979911][T27571] batman_adv: batadv0: Not using interface ipvlan699 (retrying later): interface not active [ 1549.007938][T27535] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1549.045964][T27580] batman_adv: batadv0: Adding interface: ipvlan381 [ 1549.060510][T27580] batman_adv: batadv0: The MTU of interface ipvlan381 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. [ 1549.117502][T27580] batman_adv: batadv0: Not using interface ipvlan381 (retrying later): interface not active [ 1549.135433][T27543] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1549.149746][T27587] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1549.225648][T27550] batman_adv: batadv0: Adding interface: ipvlan268 [ 1549.247166][T27550] batman_adv: batadv0: The MTU of interface ipvlan268 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. [ 1549.296495][T27550] batman_adv: batadv0: Not using interface ipvlan268 (retrying later): interface not active [ 1549.336238][T27588] batman_adv: batadv0: Adding interface: ipvlan37 [ 1549.343214][T27588] batman_adv: batadv0: The MTU of interface ipvlan37 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. [ 1549.410966][T27588] batman_adv: batadv0: Not using interface ipvlan37 (retrying later): interface not active 00:02:18 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d019900"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:18 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000240012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:18 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r2, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000000)=ANY=[@ANYRES64, @ANYRESHEX=r2, @ANYRES32=r1], 0x18}, 0x1, 0x0, 0x0, 0x14}, 0x4000011) r3 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r3, 0x6, 0x1d, &(0x7f0000000100)={0xa1, 0x5, 0x4e, 0x2, 0x56}, 0x14) r4 = socket$inet6(0xa, 0x1, 0x84) connect$inet6(r4, &(0x7f0000000080)={0xa, 0x0, 0x0, @loopback}, 0x1c) getsockopt$inet_sctp6_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f0000000140), &(0x7f0000000180)=0x4) getsockopt$inet_sctp6_SCTP_HMAC_IDENT(r4, 0x84, 0x16, &(0x7f0000000080)={0x1, [0x1]}, &(0x7f00000000c0)=0x6) 00:02:18 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000511000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:18 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000080000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:18 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) 00:02:18 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000020012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1549.788088][T27618] batman_adv: batadv0: Adding interface: ipvlan269 [ 1549.807622][T27618] batman_adv: batadv0: The MTU of interface ipvlan269 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:02:18 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d039600"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1549.865228][T27618] batman_adv: batadv0: Not using interface ipvlan269 (retrying later): interface not active [ 1549.962907][T27630] batman_adv: batadv0: Adding interface: ipvlan382 [ 1549.970169][T27630] batman_adv: batadv0: The MTU of interface ipvlan382 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1549.998773][T27630] batman_adv: batadv0: Not using interface ipvlan382 (retrying later): interface not active [ 1550.026126][T27635] batman_adv: batadv0: Adding interface: ipvlan700 [ 1550.033194][T27635] batman_adv: batadv0: The MTU of interface ipvlan700 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1550.076579][T27635] batman_adv: batadv0: Not using interface ipvlan700 (retrying later): interface not active [ 1550.096873][T27642] batman_adv: batadv0: Removing interface: ipvlan700 00:02:19 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000030012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1550.173757][T27652] batman_adv: batadv0: Adding interface: ipvlan270 [ 1550.180442][T27652] batman_adv: batadv0: The MTU of interface ipvlan270 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1550.226473][T27652] batman_adv: batadv0: Not using interface ipvlan270 (retrying later): interface not active [ 1550.258712][T27657] batman_adv: batadv0: Adding interface: ipvlan38 00:02:19 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000400000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1550.278058][T27657] batman_adv: batadv0: The MTU of interface ipvlan38 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1550.310963][T27657] batman_adv: batadv0: Not using interface ipvlan38 (retrying later): interface not active [ 1550.350696][T27663] batman_adv: batadv0: Removing interface: ipvlan38 00:02:19 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) [ 1550.460569][T27666] batman_adv: batadv0: Adding interface: ipvlan383 [ 1550.476676][T27666] batman_adv: batadv0: The MTU of interface ipvlan383 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. [ 1550.560463][T27666] batman_adv: batadv0: Not using interface ipvlan383 (retrying later): interface not active 00:02:19 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000240012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1550.747445][T27694] batman_adv: batadv0: Adding interface: ipvlan271 [ 1550.760187][T27694] batman_adv: batadv0: The MTU of interface ipvlan271 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. [ 1550.787568][T27694] batman_adv: batadv0: Not using interface ipvlan271 (retrying later): interface not active 00:02:20 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d029900"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:20 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000611000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:20 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) r2 = socket$tipc(0x1e, 0x5, 0x0) getsockopt$IP_VS_SO_GET_DAEMON(r2, 0x0, 0x487, &(0x7f0000000000), &(0x7f0000000040)=0x30) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:02:20 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140212800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1550.978305][T27696] batman_adv: batadv0: Adding interface: ipvlan272 [ 1551.003655][T27696] batman_adv: batadv0: The MTU of interface ipvlan272 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1551.111624][T27696] batman_adv: batadv0: Not using interface ipvlan272 (retrying later): interface not active 00:02:20 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d039600"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:20 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="440000000f000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:20 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140312800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1551.349105][T27731] batman_adv: batadv0: Adding interface: ipvlan384 [ 1551.375745][T27731] batman_adv: batadv0: The MTU of interface ipvlan384 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1551.432152][T27731] batman_adv: batadv0: Not using interface ipvlan384 (retrying later): interface not active [ 1551.485562][T27733] batman_adv: batadv0: Adding interface: ipvlan700 [ 1551.499057][T27733] batman_adv: batadv0: The MTU of interface ipvlan700 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1551.557546][T27733] batman_adv: batadv0: Not using interface ipvlan700 (retrying later): interface not active [ 1551.604570][T27738] batman_adv: batadv0: Removing interface: ipvlan700 00:02:20 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140412800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1551.741542][T27754] batman_adv: batadv0: Adding interface: ipvlan38 [ 1551.757880][T27754] batman_adv: batadv0: The MTU of interface ipvlan38 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1551.802753][T27754] batman_adv: batadv0: Not using interface ipvlan38 (retrying later): interface not active [ 1551.858865][T27753] batman_adv: batadv0: Adding interface: ipvlan273 [ 1551.868644][T27753] batman_adv: batadv0: The MTU of interface ipvlan273 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1551.922740][T27753] batman_adv: batadv0: Not using interface ipvlan273 (retrying later): interface not active [ 1551.948535][T27756] batman_adv: batadv0: Removing interface: ipvlan38 [ 1552.006973][T27760] batman_adv: batadv0: Adding interface: ipvlan385 [ 1552.014557][T27760] batman_adv: batadv0: The MTU of interface ipvlan385 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1552.048838][T27760] batman_adv: batadv0: Not using interface ipvlan385 (retrying later): interface not active 00:02:21 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140512800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:21 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') getsockname(0xffffffffffffffff, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @multicast2}}}, &(0x7f00000000c0)=0x80) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080)='IPVS\x00') sendmsg$IPVS_CMD_ZERO(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x28, r3, 0x605, 0x0, 0x0, {}, [@IPVS_CMD_ATTR_SERVICE={0x14, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_FWMARK={0x8}]}]}, 0x28}}, 0x0) sendmsg$IPVS_CMD_DEL_DAEMON(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000700)={&(0x7f0000000680)={0x60, r3, 0x2, 0x70bd29, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_SERVICE={0x14, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x2e15447}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x7}, @IPVS_CMD_ATTR_SERVICE={0x4}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x9947ebea}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2b}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8}]}, 0x60}, 0x1, 0x0, 0x0, 0x8001}, 0xc005) sendmsg$IPVS_CMD_SET_CONFIG(r2, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000140)={0x124, r3, 0x10, 0x70bd28, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_SERVICE={0x3c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x67}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@private2={0xfc, 0x2, [], 0x1}}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@loopback}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x4}, @IPVS_CMD_ATTR_SERVICE={0x20, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@dev={0xfe, 0x80, [], 0x25}}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x3c}]}, @IPVS_CMD_ATTR_DEST={0x3c, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e20}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x7}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x4}, @IPVS_DEST_ATTR_TUN_TYPE={0x5, 0xd, 0x1}, @IPVS_DEST_ATTR_TUN_TYPE={0x5, 0xd, 0x1}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0xffff}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x80000000}]}, @IPVS_CMD_ATTR_DAEMON={0x68, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x3}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @mcast1}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @private2}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x4}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x8}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x3ff}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0xbb}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @loopback}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x7ff}]}, 0x124}, 0x1, 0x0, 0x0, 0x10}, 0x801) recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:02:21 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000711000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1552.211655][T27785] batman_adv: batadv0: Adding interface: ipvlan700 [ 1552.221962][T27785] batman_adv: batadv0: The MTU of interface ipvlan700 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. [ 1552.249556][T27785] batman_adv: batadv0: Not using interface ipvlan700 (retrying later): interface not active [ 1552.289480][T27757] batman_adv: batadv0: Adding interface: ipvlan274 [ 1552.297709][T27757] batman_adv: batadv0: The MTU of interface ipvlan274 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. [ 1552.326281][T27757] batman_adv: batadv0: Not using interface ipvlan274 (retrying later): interface not active 00:02:21 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140612800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1552.433461][T27812] batman_adv: batadv0: Adding interface: ipvlan386 [ 1552.448816][T27812] batman_adv: batadv0: The MTU of interface ipvlan386 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. [ 1552.512480][T27812] batman_adv: batadv0: Not using interface ipvlan386 (retrying later): interface not active 00:02:21 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d039900"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:21 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000211000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1552.553125][T27822] __nla_validate_parse: 27 callbacks suppressed [ 1552.553135][T27822] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1552.587210][T27807] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:02:21 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d019900"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:21 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140712800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:21 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000042c0)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, &(0x7f0000004400)={&(0x7f0000004280)={0x10, 0x0, 0x0, 0x4002}, 0xc, &(0x7f00000043c0)={&(0x7f0000004300)={0x68, r2, 0x300, 0x70bd25, 0x0, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_DOMAIN={0xb, 0x1, 'batadv\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x18}, @NLBL_MGMT_A_DOMAIN={0x17, 0x1, '-wlan1GPLGPL^:\xa1)+-\x00'}]}, 0x68}, 0x1, 0x0, 0x0, 0x40000}, 0x20000040) sendmsg$NLBL_MGMT_C_REMOVEDEF(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f00000000c0), 0xc, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="000329bd7000fcdbdfd99a3bac00050001000000000008000400ffffffff14000600000051e0b2fd1a502678c507022b0e75954aded3ceec732fe631509aa0f73833c928fa62dd8a34011c89698bc8b6bf810858e43a02e0d1e8bcb30d78f37078d125f1974e5876656a94888b35880afcadfad34d944efa9ebbc9fde0bc0cb6042b27b2f61e0887a44710ba9fa80a765a1c9d28ccf7482cab86bb5557bc90d2971ea63c7c9e6636ec0cf942d376802c0969d5652ddd"], 0x38}, 0x1, 0x0, 0x0, 0x1}, 0x20008040) sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x28, r2, 0x20, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_DOMAIN={0xc, 0x1, 'ethtool\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x440}, 0x800) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:02:21 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000811000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1552.792662][T27829] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1552.884505][T27833] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1553.007644][T27834] batman_adv: batadv0: Adding interface: ipvlan275 [ 1553.022687][T27834] batman_adv: batadv0: The MTU of interface ipvlan275 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1553.079411][T27834] batman_adv: batadv0: Not using interface ipvlan275 (retrying later): interface not active [ 1553.124065][T27839] batman_adv: batadv0: Adding interface: ipvlan701 [ 1553.138546][T27839] batman_adv: batadv0: The MTU of interface ipvlan701 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1553.222406][T27839] batman_adv: batadv0: Not using interface ipvlan701 (retrying later): interface not active [ 1553.244552][T27841] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.5'. 00:02:22 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140912800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1553.278563][T27843] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1553.329572][T27845] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1553.359014][T27845] batman_adv: batadv0: Removing interface: ipvlan701 [ 1553.427540][T27849] batman_adv: batadv0: Adding interface: ipvlan38 [ 1553.434540][T27849] batman_adv: batadv0: The MTU of interface ipvlan38 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1553.461027][T27849] batman_adv: batadv0: Not using interface ipvlan38 (retrying later): interface not active [ 1553.475875][T27853] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1553.545484][T27855] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1553.566901][T27855] batman_adv: batadv0: Removing interface: ipvlan38 [ 1553.640596][T27856] batman_adv: batadv0: Adding interface: ipvlan387 [ 1553.647692][T27856] batman_adv: batadv0: The MTU of interface ipvlan387 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1553.673593][T27856] batman_adv: batadv0: Not using interface ipvlan387 (retrying later): interface not active [ 1553.697047][T27834] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1553.725289][T27829] batman_adv: batadv0: Adding interface: ipvlan276 00:02:22 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000311000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1553.731818][T27829] batman_adv: batadv0: The MTU of interface ipvlan276 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1553.772432][T27829] batman_adv: batadv0: Not using interface ipvlan276 (retrying later): interface not active 00:02:22 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140a12800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:22 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000000000)=[{{0x0, 0x0, 0x0}}], 0x1, 0x10a, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) [ 1553.953518][T27863] batman_adv: batadv0: Adding interface: ipvlan388 [ 1553.965869][T27863] batman_adv: batadv0: The MTU of interface ipvlan388 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. [ 1554.017633][T27863] batman_adv: batadv0: Not using interface ipvlan388 (retrying later): interface not active 00:02:23 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140c12800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1554.091274][T27916] batman_adv: batadv0: Adding interface: ipvlan277 00:02:23 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000911000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1554.130045][T27916] batman_adv: batadv0: The MTU of interface ipvlan277 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. [ 1554.215893][T27916] batman_adv: batadv0: Not using interface ipvlan277 (retrying later): interface not active 00:02:23 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d009a00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:23 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r2, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) recvmmsg(r2, &(0x7f0000004d80)=[{{0x0, 0xffffffffffffffd6, 0x0}}], 0x1, 0x40, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000280)='mptcp_pm\x00') sendmsg$MPTCP_PM_CMD_ADD_ADDR(r3, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000002c0)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="010000000000000000000100000024000180060001000200000008000300ac1414bb0800060005000000080007"], 0x38}}, 0x0) r5 = socket$nl_route(0x10, 0x3, 0x0) r6 = socket(0x1, 0x803, 0x0) getsockname$packet(r6, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="5c0000001000030400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000002c00128009000100766c616e000000001c00028006000100000e00000c0002000e0000000a0000000400038008000500", @ANYRES32=r7, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x5c}}, 0x0) sendmsg$MPTCP_PM_CMD_GET_ADDR(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000040)={&(0x7f00000007c0)=ANY=[@ANYBLOB="98000000", @ANYRES16=r4, @ANYBLOB="000227bd7000fbdbdf250300000008000300080000000800020006000000140001800500020007000000060005004e2000003c0001800800030064010102080003000000000008000700c5fe18ba47e91083c0e6fe7be408501ecbb9fb214c5842af7222c4553acb3d8ef2cd4e4cd4b7320fe671f43227eeb671f1b944f3c059a81d5b9abfe5716aaf3b0d5309432b11567a504420ad02e930130e4a2bc6e31be2ca9628a5c0b0d4a0f8b4cbc52f4a6d287700378b21d8a0baad9732d82f6cfbe1baa5de67863495846be2d77b1db9823032f65ab07760a39901d49a82f2e05c416c85c8806f3de2555aedde31441f15bc4080298b944f312b3827e3a0f7a635b8060d567b", @ANYRES32=r7, @ANYBLOB="0800060006000000060005004e210000060005004e2300000500020007000000240001800600010002000000050002000600000006000100020000000800060006000000"], 0x98}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) [ 1554.337936][T27937] batman_adv: batadv0: Adding interface: ipvlan389 [ 1554.365927][T27937] batman_adv: batadv0: The MTU of interface ipvlan389 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. [ 1554.402172][T27937] batman_adv: batadv0: Not using interface ipvlan389 (retrying later): interface not active [ 1554.439498][T27916] batman_adv: batadv0: Adding interface: ipvlan278 [ 1554.456596][T27916] batman_adv: batadv0: The MTU of interface ipvlan278 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. 00:02:23 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000000000)=[{{0x0, 0x0, 0x0}}], 0x1, 0x10a, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:02:23 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140e12800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1554.483366][T27916] batman_adv: batadv0: Not using interface ipvlan278 (retrying later): interface not active 00:02:23 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000411000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1554.636892][T27950] batman_adv: batadv0: Adding interface: ipvlan701 [ 1554.646738][T27950] batman_adv: batadv0: The MTU of interface ipvlan701 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1554.674900][T27950] batman_adv: batadv0: Not using interface ipvlan701 (retrying later): interface not active 00:02:23 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0, 0xfffffffffffffe67}, 0x8}], 0x1, 0xa, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f00000002c0), 0x4) sendmsg$NFT_MSG_GETCHAIN(r2, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r3, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r4, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) setsockopt(r4, 0x67d3, 0x0, &(0x7f00000000c0)="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", 0xfe) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000040)={'gre0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000080)={'veth0\x00', r5}) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r6, 0x0) ioctl$SIOCGIFMTU(r6, 0x8921, &(0x7f0000000000)) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000200)=ANY=[@ANYBLOB="5c0d700999d984845e692990b675e0c1544bf0a45f3c7e5b5a45ac3bfcdd9e0ac95be63dc33de36e533c2396dcb20000000000000009692d20dbb6e8169393989fc71b674dc71559e4d8ac45cfa2c2401004c82bbc5b8291eec7af3b2b4831fec97e5e9bf7e115154c660f9cc173dbd76399429103e281facdfe2d45e1f6b8", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) [ 1554.706710][T27952] batman_adv: batadv0: Removing interface: ipvlan701 [ 1554.819566][T27951] batman_adv: batadv0: Adding interface: ipvlan390 [ 1554.847930][T27951] batman_adv: batadv0: The MTU of interface ipvlan390 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:02:24 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = socket(0x18, 0x0, 0x844b) bind$alg(r1, &(0x7f00000002c0)={0x26, 'hash\x00', 0x0, 0x0, 'sha1\x00'}, 0x58) syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) openat$cgroup(r2, &(0x7f00000000c0)='syz1\x00', 0x200002, 0x0) getsockopt$IP_VS_SO_GET_TIMEOUT(r1, 0x0, 0x486, &(0x7f0000000080), &(0x7f0000000140)=0xc) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r3, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000100)=ANY=[@ANYRES32, @ANYRESDEC=r3, @ANYBLOB="03070006f3fffffcff001900000004000180", @ANYRES16=r0], 0x18}}, 0x8084) [ 1554.942218][T27951] batman_adv: batadv0: Not using interface ipvlan390 (retrying later): interface not active 00:02:24 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140f12800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:24 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000a11000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1555.063479][T27968] batman_adv: batadv0: Adding interface: ipvlan279 [ 1555.070407][T27968] batman_adv: batadv0: The MTU of interface ipvlan279 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1555.166666][T27968] batman_adv: batadv0: Not using interface ipvlan279 (retrying later): interface not active 00:02:24 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000711000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:24 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000141012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1555.373768][T28000] batman_adv: batadv0: Adding interface: ipvlan391 [ 1555.380397][T28000] batman_adv: batadv0: The MTU of interface ipvlan391 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1555.463700][T28000] batman_adv: batadv0: Not using interface ipvlan391 (retrying later): interface not active [ 1555.518192][T28003] batman_adv: batadv0: Adding interface: ipvlan701 [ 1555.527347][T28003] batman_adv: batadv0: The MTU of interface ipvlan701 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1555.556029][T28003] batman_adv: batadv0: Not using interface ipvlan701 (retrying later): interface not active [ 1555.622149][T28012] batman_adv: batadv0: Adding interface: ipvlan280 00:02:24 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000146012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1555.652356][T28012] batman_adv: batadv0: The MTU of interface ipvlan280 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1555.712447][T28012] batman_adv: batadv0: Not using interface ipvlan280 (retrying later): interface not active [ 1555.743735][T28016] batman_adv: batadv0: Adding interface: ipvlan38 [ 1555.750537][T28016] batman_adv: batadv0: The MTU of interface ipvlan38 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1555.785877][T28016] batman_adv: batadv0: Not using interface ipvlan38 (retrying later): interface not active 00:02:24 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d019a00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:24 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000511000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1555.854394][T28013] batman_adv: batadv0: Adding interface: ipvlan392 00:02:24 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000140)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000044000180c21d5478fac228c18e9fb4edcef12baa4f9948fc7c54c2e9a050ebce36fad57388152b20aaf170d0841e9959745dbfecca04ddfc2053daf0f223a0fe7f7e79b4b0f4e89b1b0a4365b0fb6de11d2cfb48efce58ec9394b8a8b63c87c794a4fd16aaf1e4c48313cbf5cbaa70f062ca257e03338357820c406e428cd1d92a895fced09aa443654b5e6d7cb307dea5ceb91b8cca65b0dca4c80bb9719cb9dc86"], 0x18}}, 0x4040000) sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xfffffffffffffd62, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="240000000203010400000000000000000c0000050800e6aa5f2a88b226eed89d96270540000000080800010002000009"], 0x24}}, 0x40) 00:02:25 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400004811000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1555.900654][T28013] batman_adv: batadv0: The MTU of interface ipvlan392 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:02:25 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140036800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1555.977956][T28013] batman_adv: batadv0: Not using interface ipvlan392 (retrying later): interface not active 00:02:25 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000c11000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:25 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r3, r2, 0x0, 0x100000fffffffe) r4 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040)='batadv\x00') sendmsg$BATADV_CMD_GET_MESH(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r4, 0x8, 0x70bd2b, 0x25dfdbfc, {}, [@BATADV_ATTR_VLANID={0x6, 0x28, 0x3}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0xfffffff7}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @dev={[], 0x18}}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0xa0d7}]}, 0x38}}, 0x20000080) recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) socket$can_j1939(0x1d, 0x2, 0x7) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) [ 1556.133901][T28044] batman_adv: batadv0: Adding interface: ipvlan281 [ 1556.140441][T28044] batman_adv: batadv0: The MTU of interface ipvlan281 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1556.272215][T28044] batman_adv: batadv0: Not using interface ipvlan281 (retrying later): interface not active [ 1556.358777][T28051] batman_adv: batadv0: Adding interface: ipvlan702 [ 1556.370662][T28051] batman_adv: batadv0: The MTU of interface ipvlan702 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1556.398385][T28051] batman_adv: batadv0: Not using interface ipvlan702 (retrying later): interface not active [ 1556.431101][T28054] batman_adv: batadv0: Adding interface: ipvlan39 [ 1556.439424][T28054] batman_adv: batadv0: The MTU of interface ipvlan39 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1556.467348][T28054] batman_adv: batadv0: Not using interface ipvlan39 (retrying later): interface not active [ 1556.534803][T28058] batman_adv: batadv0: Removing interface: ipvlan702 00:02:25 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) 00:02:25 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140036800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1556.740151][T28075] batman_adv: batadv0: Adding interface: ipvlan393 [ 1556.751801][T28075] batman_adv: batadv0: The MTU of interface ipvlan393 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. [ 1556.782380][T28075] batman_adv: batadv0: Not using interface ipvlan393 (retrying later): interface not active [ 1556.827666][T28085] batman_adv: batadv0: Adding interface: ipvlan282 [ 1556.840952][T28085] batman_adv: batadv0: The MTU of interface ipvlan282 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. 00:02:25 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1556.927023][T28085] batman_adv: batadv0: Not using interface ipvlan282 (retrying later): interface not active 00:02:26 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000611000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:26 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="000000000000000014001280030001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1557.168839][T28051] batman_adv: batadv0: Adding interface: ipvlan702 [ 1557.200270][T28051] batman_adv: batadv0: The MTU of interface ipvlan702 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1557.234929][T28051] batman_adv: batadv0: Not using interface ipvlan702 (retrying later): interface not active [ 1557.279767][T28080] batman_adv: batadv0: Adding interface: ipvlan394 [ 1557.286625][T28080] batman_adv: batadv0: The MTU of interface ipvlan394 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1557.317530][T28080] batman_adv: batadv0: Not using interface ipvlan394 (retrying later): interface not active [ 1557.418860][T28129] batman_adv: batadv0: Adding interface: ipvlan283 [ 1557.436161][T28129] batman_adv: batadv0: The MTU of interface ipvlan283 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:02:26 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d029a00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:26 executing program 1: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) getsockopt$IP_VS_SO_GET_DESTS(r0, 0x0, 0x484, &(0x7f0000000040)=""/14, &(0x7f00000000c0)=0xe) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r2, r1, 0x0, 0x100000fffffffe) setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000140)=0x6, 0x4) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r6 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r6, r5, 0x0, 0x100000fffffffe) setsockopt$IP_VS_SO_SET_STARTDAEMON(r5, 0x0, 0x48b, &(0x7f0000000100)={0x2, 'netdevsim0\x00', 0x1}, 0x18) recvmmsg(r3, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r3, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000180)=ANY=[@ANYBLOB="18000000", @ANYRES16=r4, @ANYBLOB="03070006f3fffffcffe018000000000001800ded52d874bae580603b2332e3e6a23ce0115c57a48840df82902a5afdd19b284a1ce1437eb6171fd1c77a821a49d0a1cbf62ed56a8f55d7da25a966430f71111ee17ed9f60a427711a846aa62701d3847b332e7bec53b366e11e597ff2ff08d4db85c6968b34be3bbef1ad2efb15e852281dd72699ee30dd36b315fab43"], 0x18}}, 0x0) 00:02:26 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) 00:02:26 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000e11000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:26 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="000000000000000014001280100001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1557.464467][T28129] batman_adv: batadv0: Not using interface ipvlan283 (retrying later): interface not active [ 1557.573465][T28150] __nla_validate_parse: 34 callbacks suppressed [ 1557.573475][T28150] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:02:26 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000711000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:26 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000c11000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:26 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r1, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r2, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r3, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r3, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r3, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYRESHEX=r2, @ANYRESDEC=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x4000000) ioctl$sock_kcm_SIOCKCMCLONE(r3, 0x89e2, &(0x7f00000000c0)={r0}) getpeername$inet(r4, &(0x7f0000000100)={0x2, 0x0, @remote}, &(0x7f0000000140)=0x10) 00:02:26 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="000000000000000014001280120001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1557.742228][T28152] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1557.863854][T28153] batman_adv: batadv0: Adding interface: ipvlan395 [ 1557.870853][T28153] batman_adv: batadv0: The MTU of interface ipvlan395 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. [ 1557.899795][T28153] batman_adv: batadv0: Not using interface ipvlan395 (retrying later): interface not active [ 1557.945449][T28157] batman_adv: batadv0: Adding interface: ipvlan703 [ 1557.952636][T28157] batman_adv: batadv0: The MTU of interface ipvlan703 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. [ 1558.016891][T28157] batman_adv: batadv0: Not using interface ipvlan703 (retrying later): interface not active [ 1558.044603][T28162] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1558.113376][T28165] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1558.172928][T28164] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1558.216307][T28164] batman_adv: batadv0: Removing interface: ipvlan703 [ 1558.310892][T28167] batman_adv: batadv0: Adding interface: ipvlan284 [ 1558.327885][T28167] batman_adv: batadv0: The MTU of interface ipvlan284 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. [ 1558.375092][T28167] batman_adv: batadv0: Not using interface ipvlan284 (retrying later): interface not active [ 1558.405349][T28169] batman_adv: batadv0: Adding interface: ipvlan40 [ 1558.412265][T28169] batman_adv: batadv0: The MTU of interface ipvlan40 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. [ 1558.452657][T28169] batman_adv: batadv0: Not using interface ipvlan40 (retrying later): interface not active 00:02:27 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0300006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1558.466540][T28176] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1558.477334][T28150] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:02:27 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1558.543041][T28158] batman_adv: batadv0: Adding interface: ipvlan396 [ 1558.549579][T28158] batman_adv: batadv0: The MTU of interface ipvlan396 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1558.621880][T28158] batman_adv: batadv0: Not using interface ipvlan396 (retrying later): interface not active 00:02:27 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1558.683594][T28157] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1558.796243][T28162] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1558.836187][T28175] batman_adv: batadv0: Adding interface: ipvlan285 [ 1558.852979][T28175] batman_adv: batadv0: The MTU of interface ipvlan285 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. [ 1558.922021][T28175] batman_adv: batadv0: Not using interface ipvlan285 (retrying later): interface not active [ 1558.994132][T28217] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 00:02:28 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d039a00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:28 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r2, 0x0) r3 = socket(0x18, 0x0, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @rand_addr=' \x01\x00'}], 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp6_SCTP_CONTEXT(r3, 0x84, 0x11, &(0x7f0000000000)={r5}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r2, 0x84, 0x22, &(0x7f00000001c0)={0xfffc, 0x3, 0xfff, 0xfff, r5}, &(0x7f0000000240)=0x10) r6 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) sendmsg$IPCTNL_MSG_CT_DELETE(r6, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x8c, 0x2, 0x1, 0x101, 0x0, 0x0, {0x2, 0x0, 0x5}, [@CTA_STATUS={0x8, 0x3, 0x1, 0x0, 0x400}, @CTA_SEQ_ADJ_REPLY={0x1c, 0x10, 0x0, 0x1, [@CTA_SEQADJ_CORRECTION_POS={0x8, 0x1, 0x1, 0x0, 0xffffac72}, @CTA_SEQADJ_CORRECTION_POS={0x8, 0x1, 0x1, 0x0, 0x7f}, @CTA_SEQADJ_OFFSET_BEFORE={0x8, 0x2, 0x1, 0x0, 0x7}]}, @CTA_PROTOINFO={0x54, 0x4, 0x0, 0x1, @CTA_PROTOINFO_DCCP={0x50, 0x2, 0x0, 0x1, [@CTA_PROTOINFO_DCCP_ROLE={0x5, 0x2, 0x5}, @CTA_PROTOINFO_DCCP_ROLE={0x5, 0x2, 0x15}, @CTA_PROTOINFO_DCCP_ROLE={0x5, 0x2, 0x2}, @CTA_PROTOINFO_DCCP_HANDSHAKE_SEQ={0xc, 0x3, 0x1, 0x0, 0x7ab}, @CTA_PROTOINFO_DCCP_HANDSHAKE_SEQ={0xc, 0x3, 0x1, 0x0, 0xfffffffffffffeff}, @CTA_PROTOINFO_DCCP_HANDSHAKE_SEQ={0xc, 0x3, 0x1, 0x0, 0x81}, @CTA_PROTOINFO_DCCP_ROLE={0x5, 0x2, 0xfe}, @CTA_PROTOINFO_DCCP_ROLE={0x5, 0x2, 0x2}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x8889}, 0x4000000) 00:02:28 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400001011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:28 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r1, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(0xffffffffffffffff, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) 00:02:28 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000811000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:28 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0400006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:28 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800bd800006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:28 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000711000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1559.363029][T28252] batman_adv: batadv0: Adding interface: ipvlan397 [ 1559.378018][T28252] batman_adv: batadv0: The MTU of interface ipvlan397 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. [ 1559.472610][T28252] batman_adv: batadv0: Not using interface ipvlan397 (retrying later): interface not active [ 1559.528291][T28256] batman_adv: batadv0: Adding interface: ipvlan286 [ 1559.564819][T28256] batman_adv: batadv0: The MTU of interface ipvlan286 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. [ 1559.640211][T28256] batman_adv: batadv0: Not using interface ipvlan286 (retrying later): interface not active [ 1559.694932][T28257] batman_adv: batadv0: Adding interface: ipvlan703 [ 1559.711315][T28257] batman_adv: batadv0: The MTU of interface ipvlan703 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. [ 1559.753884][T28257] batman_adv: batadv0: Not using interface ipvlan703 (retrying later): interface not active [ 1559.776280][T28265] batman_adv: batadv0: Removing interface: ipvlan703 00:02:28 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800bd900006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1559.862749][T28275] batman_adv: batadv0: Adding interface: ipvlan41 [ 1559.880378][T28275] batman_adv: batadv0: The MTU of interface ipvlan41 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. [ 1559.942265][T28275] batman_adv: batadv0: Not using interface ipvlan41 (retrying later): interface not active 00:02:29 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1560.052912][T28282] batman_adv: batadv0: Adding interface: ipvlan398 [ 1560.059458][T28282] batman_adv: batadv0: The MTU of interface ipvlan398 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1560.122486][T28282] batman_adv: batadv0: Not using interface ipvlan398 (retrying later): interface not active 00:02:29 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1560.177109][T28286] batman_adv: batadv0: Adding interface: ipvlan287 00:02:29 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400004811000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1560.208080][T28286] batman_adv: batadv0: The MTU of interface ipvlan287 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. [ 1560.291910][T28286] batman_adv: batadv0: Not using interface ipvlan287 (retrying later): interface not active [ 1560.485050][T28323] batman_adv: batadv0: Adding interface: ipvlan399 [ 1560.491791][T28323] batman_adv: batadv0: The MTU of interface ipvlan399 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. [ 1560.519495][T28323] batman_adv: batadv0: Not using interface ipvlan399 (retrying later): interface not active 00:02:29 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d009b00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:29 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000911000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:29 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0201006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:29 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400006011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:29 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040)='TIPC\x00') sendmsg$TIPC_CMD_GET_NETID(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r1, 0x10, 0x70bd23, 0x25dfdbfc, {}, ["", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x885}, 0x20000000) r2 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:02:29 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400004c11000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:29 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0301006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1560.942790][T28348] batman_adv: batadv0: Adding interface: ipvlan288 [ 1560.957815][T28348] batman_adv: batadv0: The MTU of interface ipvlan288 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1561.033196][T28348] batman_adv: batadv0: Not using interface ipvlan288 (retrying later): interface not active [ 1561.100322][T28353] batman_adv: batadv0: Adding interface: ipvlan703 [ 1561.116376][T28353] batman_adv: batadv0: The MTU of interface ipvlan703 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1561.182509][T28353] batman_adv: batadv0: Not using interface ipvlan703 (retrying later): interface not active [ 1561.234845][T28352] batman_adv: batadv0: Adding interface: ipvlan42 [ 1561.241306][T28352] batman_adv: batadv0: The MTU of interface ipvlan42 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1561.305543][T28352] batman_adv: batadv0: Not using interface ipvlan42 (retrying later): interface not active [ 1561.322506][T28360] batman_adv: batadv0: Removing interface: ipvlan703 00:02:30 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r2, 0x0) r3 = socket(0x18, 0x0, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @rand_addr=' \x01\x00'}], 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp6_SCTP_CONTEXT(r3, 0x84, 0x11, &(0x7f0000000000)={r5}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r2, 0x84, 0x22, &(0x7f00000001c0)={0xfffc, 0x3, 0xfff, 0xfff, r5}, &(0x7f0000000240)=0x10) r6 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) sendmsg$IPCTNL_MSG_CT_DELETE(r6, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x8c, 0x2, 0x1, 0x101, 0x0, 0x0, {0x2, 0x0, 0x5}, [@CTA_STATUS={0x8, 0x3, 0x1, 0x0, 0x400}, @CTA_SEQ_ADJ_REPLY={0x1c, 0x10, 0x0, 0x1, [@CTA_SEQADJ_CORRECTION_POS={0x8, 0x1, 0x1, 0x0, 0xffffac72}, @CTA_SEQADJ_CORRECTION_POS={0x8, 0x1, 0x1, 0x0, 0x7f}, @CTA_SEQADJ_OFFSET_BEFORE={0x8, 0x2, 0x1, 0x0, 0x7}]}, @CTA_PROTOINFO={0x54, 0x4, 0x0, 0x1, @CTA_PROTOINFO_DCCP={0x50, 0x2, 0x0, 0x1, [@CTA_PROTOINFO_DCCP_ROLE={0x5, 0x2, 0x5}, @CTA_PROTOINFO_DCCP_ROLE={0x5, 0x2, 0x15}, @CTA_PROTOINFO_DCCP_ROLE={0x5, 0x2, 0x2}, @CTA_PROTOINFO_DCCP_HANDSHAKE_SEQ={0xc, 0x3, 0x1, 0x0, 0x7ab}, @CTA_PROTOINFO_DCCP_HANDSHAKE_SEQ={0xc, 0x3, 0x1, 0x0, 0xfffffffffffffeff}, @CTA_PROTOINFO_DCCP_HANDSHAKE_SEQ={0xc, 0x3, 0x1, 0x0, 0x81}, @CTA_PROTOINFO_DCCP_ROLE={0x5, 0x2, 0xfe}, @CTA_PROTOINFO_DCCP_ROLE={0x5, 0x2, 0x2}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x8889}, 0x4000000) [ 1561.475176][T28365] batman_adv: batadv0: Adding interface: ipvlan400 [ 1561.489820][T28365] batman_adv: batadv0: The MTU of interface ipvlan400 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. [ 1561.561442][T28365] batman_adv: batadv0: Not using interface ipvlan400 (retrying later): interface not active 00:02:30 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') socket$can_raw(0x1d, 0x3, 0x1) recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:02:30 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0401006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1561.651446][T28377] batman_adv: batadv0: Adding interface: ipvlan289 [ 1561.677017][T28377] batman_adv: batadv0: The MTU of interface ipvlan289 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. [ 1561.750575][T28377] batman_adv: batadv0: Not using interface ipvlan289 (retrying later): interface not active 00:02:30 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000a11000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1561.978455][T28405] batman_adv: batadv0: Adding interface: ipvlan401 [ 1562.006620][T28405] batman_adv: batadv0: The MTU of interface ipvlan401 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. [ 1562.102314][T28405] batman_adv: batadv0: Not using interface ipvlan401 (retrying later): interface not active 00:02:31 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400006011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1562.214844][T28422] batman_adv: batadv0: Adding interface: ipvlan290 [ 1562.221376][T28422] batman_adv: batadv0: The MTU of interface ipvlan290 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. [ 1562.301840][T28422] batman_adv: batadv0: Not using interface ipvlan290 (retrying later): interface not active 00:02:31 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d019b00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:31 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0501006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:31 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400006011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1562.426873][T28434] batman_adv: batadv0: Adding interface: ipvlan402 [ 1562.442999][T28434] batman_adv: batadv0: The MTU of interface ipvlan402 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. [ 1562.503004][T28434] batman_adv: batadv0: Not using interface ipvlan402 (retrying later): interface not active 00:02:31 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0601006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1562.623041][T28425] batman_adv: batadv0: Adding interface: ipvlan291 [ 1562.645705][T28425] batman_adv: batadv0: The MTU of interface ipvlan291 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. 00:02:31 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000c11000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1562.722130][T28425] batman_adv: batadv0: Not using interface ipvlan291 (retrying later): interface not active [ 1562.744363][T28449] __nla_validate_parse: 29 callbacks suppressed [ 1562.744368][T28449] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1562.849527][T28451] batman_adv: batadv0: Adding interface: ipvlan43 [ 1562.871760][T28451] batman_adv: batadv0: The MTU of interface ipvlan43 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. [ 1562.922626][T28451] batman_adv: batadv0: Not using interface ipvlan43 (retrying later): interface not active 00:02:32 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000a11000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1562.996421][T28453] batman_adv: batadv0: Adding interface: ipvlan703 [ 1563.033259][T28453] batman_adv: batadv0: The MTU of interface ipvlan703 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. [ 1563.094134][T28453] batman_adv: batadv0: Not using interface ipvlan703 (retrying later): interface not active [ 1563.113381][T28434] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:02:32 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x8000) [ 1563.142057][T28460] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1563.181994][T28460] batman_adv: batadv0: Removing interface: ipvlan703 [ 1563.289700][T28435] batman_adv: batadv0: Adding interface: ipvlan403 [ 1563.300568][T28435] batman_adv: batadv0: The MTU of interface ipvlan403 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1563.371728][T28435] batman_adv: batadv0: Not using interface ipvlan403 (retrying later): interface not active [ 1563.389378][T28464] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1563.410335][T28474] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 00:02:32 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400006811000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:32 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0701006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1563.522118][T28475] batman_adv: batadv0: Adding interface: ipvlan292 [ 1563.543911][T28475] batman_adv: batadv0: The MTU of interface ipvlan292 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1563.614219][T28475] batman_adv: batadv0: Not using interface ipvlan292 (retrying later): interface not active [ 1563.641575][T28482] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1563.695417][T28484] batman_adv: batadv0: Adding interface: ipvlan44 [ 1563.711876][T28484] batman_adv: batadv0: The MTU of interface ipvlan44 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1563.744666][T28484] batman_adv: batadv0: Not using interface ipvlan44 (retrying later): interface not active [ 1563.756833][T28449] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 00:02:32 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1563.815716][T28500] batman_adv: batadv0: Adding interface: ipvlan703 [ 1563.822714][T28500] batman_adv: batadv0: The MTU of interface ipvlan703 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1563.863157][T28500] batman_adv: batadv0: Not using interface ipvlan703 (retrying later): interface not active [ 1563.892822][T28509] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1563.975409][T28513] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 00:02:33 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0901006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1564.016205][T28514] batman_adv: batadv0: Adding interface: ipvlan404 00:02:33 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1564.045959][T28514] batman_adv: batadv0: The MTU of interface ipvlan404 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1564.118023][T28514] batman_adv: batadv0: Not using interface ipvlan404 (retrying later): interface not active [ 1564.153338][T28474] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1564.205801][T28522] batman_adv: batadv0: Adding interface: ipvlan293 [ 1564.221443][T28522] batman_adv: batadv0: The MTU of interface ipvlan293 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1564.279068][T28522] batman_adv: batadv0: Not using interface ipvlan293 (retrying later): interface not active 00:02:33 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d029b00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:33 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0a01006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:33 executing program 4: socket$nl_generic(0x10, 0x3, 0x10) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$sock_ifreq(0xffffffffffffffff, 0x0, 0x0) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') 00:02:33 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r2, 0x0) getsockopt$netrom_NETROM_IDLE(r2, 0x103, 0x7, &(0x7f0000000180), &(0x7f0000000200)=0x4) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r3, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r3, 0x0) r4 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000040)='l2tp\x00') sendmsg$L2TP_CMD_SESSION_GET(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x34, r4, 0x400, 0x70bd29, 0x25dfdbfe, {}, [@L2TP_ATTR_PEER_SESSION_ID={0x8, 0xc, 0x2}, @L2TP_ATTR_VLAN_ID={0x6, 0xe, 0xffff}, @L2TP_ATTR_UDP_CSUM={0x5, 0xd, 0x1}, @L2TP_ATTR_PEER_SESSION_ID={0x8, 0xc, 0x2}]}, 0x34}, 0x1, 0x0, 0x0, 0x40000}, 0x28000) 00:02:33 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400006c11000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:33 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000e11000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:33 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0c01006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:33 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r1, 0x401c5820, &(0x7f00000000c0)={0x20}) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r1, &(0x7f0000000080)=ANY=[], 0xfe6f) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r3, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$sock_ifreq(0xffffffffffffffff, 0x0, 0x0) ioctl$EXT4_IOC_MOVE_EXT(r2, 0xc028660f, &(0x7f0000000040)={0x0, r1, 0x4}) syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) [ 1564.779642][T28565] batman_adv: batadv0: Adding interface: ipvlan405 [ 1564.787852][T28565] batman_adv: batadv0: The MTU of interface ipvlan405 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1564.820392][T28565] batman_adv: batadv0: Not using interface ipvlan405 (retrying later): interface not active [ 1564.858689][T28567] batman_adv: batadv0: Adding interface: ipvlan704 [ 1564.865707][T28567] batman_adv: batadv0: The MTU of interface ipvlan704 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1564.893766][T28567] batman_adv: batadv0: Not using interface ipvlan704 (retrying later): interface not active [ 1564.927894][T28569] batman_adv: batadv0: Adding interface: ipvlan294 [ 1564.934801][T28569] batman_adv: batadv0: The MTU of interface ipvlan294 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1564.967515][T28569] batman_adv: batadv0: Not using interface ipvlan294 (retrying later): interface not active [ 1564.996976][T28574] batman_adv: batadv0: Removing interface: ipvlan704 00:02:34 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0e01006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1565.135294][T28571] batman_adv: batadv0: Adding interface: ipvlan406 [ 1565.168974][T28571] batman_adv: batadv0: The MTU of interface ipvlan406 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1565.204982][T28571] batman_adv: batadv0: Not using interface ipvlan406 (retrying later): interface not active 00:02:34 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400007411000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:34 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0f01006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:34 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400001011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:34 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d039b00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:34 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x8000) 00:02:34 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b1001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:34 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r2, 0x0) getsockopt$netrom_NETROM_IDLE(r2, 0x103, 0x7, &(0x7f0000000180), &(0x7f0000000200)=0x4) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r3, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r3, 0x0) r4 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000040)='l2tp\x00') sendmsg$L2TP_CMD_SESSION_GET(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x34, r4, 0x400, 0x70bd29, 0x25dfdbfe, {}, [@L2TP_ATTR_PEER_SESSION_ID={0x8, 0xc, 0x2}, @L2TP_ATTR_VLAN_ID={0x6, 0xe, 0xffff}, @L2TP_ATTR_UDP_CSUM={0x5, 0xd, 0x1}, @L2TP_ATTR_PEER_SESSION_ID={0x8, 0xc, 0x2}]}, 0x34}, 0x1, 0x0, 0x0, 0x40000}, 0x28000) [ 1565.553007][T28623] batman_adv: batadv0: Adding interface: ipvlan407 [ 1565.569308][T28623] batman_adv: batadv0: The MTU of interface ipvlan407 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. [ 1565.642259][T28623] batman_adv: batadv0: Not using interface ipvlan407 (retrying later): interface not active [ 1565.702903][T28629] batman_adv: batadv0: Adding interface: ipvlan295 [ 1565.722430][T28629] batman_adv: batadv0: The MTU of interface ipvlan295 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. [ 1565.841801][T28629] batman_adv: batadv0: Not using interface ipvlan295 (retrying later): interface not active 00:02:34 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b6001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1565.999172][T28653] batman_adv: batadv0: Adding interface: ipvlan408 [ 1566.034422][T28653] batman_adv: batadv0: The MTU of interface ipvlan408 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. [ 1566.069017][T28653] batman_adv: batadv0: Not using interface ipvlan408 (retrying later): interface not active [ 1566.124192][T28655] batman_adv: batadv0: Adding interface: ipvlan704 [ 1566.139821][T28655] batman_adv: batadv0: The MTU of interface ipvlan704 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. 00:02:35 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400007a11000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1566.171861][T28655] batman_adv: batadv0: Not using interface ipvlan704 (retrying later): interface not active [ 1566.207888][T28657] batman_adv: batadv0: Removing interface: ipvlan704 [ 1566.269861][T28663] batman_adv: batadv0: Adding interface: ipvlan296 [ 1566.288890][T28663] batman_adv: batadv0: The MTU of interface ipvlan296 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. 00:02:35 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000000040), 0x0, 0x200a, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r2, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r2, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r3, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)={0xf4, r3, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@ETHTOOL_A_STRSET_STRINGSETS={0xdc, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x5}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x2}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x2}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x3}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x5}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x3}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}, @ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x5}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x8}]}, {0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x2}, @ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x5}]}]}, @ETHTOOL_A_STRSET_COUNTS_ONLY={0x4}]}, 0xf4}, 0x1, 0x0, 0x0, 0x40800}, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r4, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r4, 0x0) setsockopt$inet6_IPV6_ADDRFORM(r4, 0x29, 0x1, &(0x7f0000000000), 0x4) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) [ 1566.389662][T28663] batman_adv: batadv0: Not using interface ipvlan296 (retrying later): interface not active 00:02:35 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0003006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:35 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400004811000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:35 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d019500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1566.532248][T28683] batman_adv: batadv0: Adding interface: ipvlan409 [ 1566.543319][T28683] batman_adv: batadv0: The MTU of interface ipvlan409 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. [ 1566.623314][T28683] batman_adv: batadv0: Not using interface ipvlan409 (retrying later): interface not active 00:02:35 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0005006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1566.712796][T28703] batman_adv: batadv0: Adding interface: ipvlan704 [ 1566.741753][T28703] batman_adv: batadv0: The MTU of interface ipvlan704 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. [ 1566.816392][T28703] batman_adv: batadv0: Not using interface ipvlan704 (retrying later): interface not active [ 1566.918248][T28655] batman_adv: batadv0: Removing interface: ipvlan704 [ 1567.016153][T28708] batman_adv: batadv0: Adding interface: ipvlan297 [ 1567.023139][T28708] batman_adv: batadv0: The MTU of interface ipvlan297 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. [ 1567.050732][T28708] batman_adv: batadv0: Not using interface ipvlan297 (retrying later): interface not active [ 1567.080825][T28713] batman_adv: batadv0: Adding interface: ipvlan45 [ 1567.087780][T28713] batman_adv: batadv0: The MTU of interface ipvlan45 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. [ 1567.120842][T28713] batman_adv: batadv0: Not using interface ipvlan45 (retrying later): interface not active 00:02:36 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0009006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1567.196438][T28720] batman_adv: batadv0: Removing interface: ipvlan45 [ 1567.313999][T28742] batman_adv: batadv0: Adding interface: ipvlan298 [ 1567.329666][T28742] batman_adv: batadv0: The MTU of interface ipvlan298 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. [ 1567.390936][T28742] batman_adv: batadv0: Not using interface ipvlan298 (retrying later): interface not active 00:02:36 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d009c00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:36 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000020000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:36 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) unshare(0x28060400) r1 = socket$inet6(0xa, 0x2, 0x0) pwritev(r1, 0x0, 0x0, 0x0) r2 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000040)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="03070006f3fffffcff00190000001a48040048cadddc306323f07866"], 0x18}}, 0x0) 00:02:36 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b000a006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:36 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400004c11000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:36 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000000040), 0x0, 0x200a, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r2, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r2, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r3, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)={0xf4, r3, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@ETHTOOL_A_STRSET_STRINGSETS={0xdc, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x5}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x2}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x2}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x3}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x5}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x3}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}, @ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x5}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x8}]}, {0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x2}, @ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x5}]}]}, @ETHTOOL_A_STRSET_COUNTS_ONLY={0x4}]}, 0xf4}, 0x1, 0x0, 0x0, 0x40800}, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r4, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r4, 0x0) setsockopt$inet6_IPV6_ADDRFORM(r4, 0x29, 0x1, &(0x7f0000000000), 0x4) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:02:36 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0014006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1567.704559][T28770] batman_adv: batadv0: Adding interface: ipvlan299 [ 1567.727953][T28770] batman_adv: batadv0: The MTU of interface ipvlan299 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. 00:02:36 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r3, r2, 0x0, 0x100000fffffffe) sendmsg$ETHTOOL_MSG_STRSET_GET(r2, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000000)=ANY=[], 0x18}, 0x1, 0x0, 0x0, 0x20040000}, 0x20000000) [ 1567.785568][T28770] batman_adv: batadv0: Not using interface ipvlan299 (retrying later): interface not active [ 1567.823898][T28772] __nla_validate_parse: 32 callbacks suppressed [ 1567.823908][T28772] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1568.006040][T28776] batman_adv: batadv0: Adding interface: ipvlan410 [ 1568.019728][T28776] batman_adv: batadv0: The MTU of interface ipvlan410 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1568.060107][ T29] audit: type=1804 audit(1592265757.109:340): pid=28800 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir275467463/syzkaller.GVrU4t/1689/cgroup.controllers" dev="sda1" ino=16377 res=1 [ 1568.079964][T28776] batman_adv: batadv0: Not using interface ipvlan410 (retrying later): interface not active [ 1568.164598][T28783] batman_adv: batadv0: Adding interface: ipvlan704 [ 1568.187934][T28783] batman_adv: batadv0: The MTU of interface ipvlan704 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1568.279035][T28783] batman_adv: batadv0: Not using interface ipvlan704 (retrying later): interface not active [ 1568.303596][T28787] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1568.323554][T28787] batman_adv: batadv0: Removing interface: ipvlan704 00:02:37 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0039006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1568.401824][T28770] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 00:02:37 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400006011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1568.475796][T28776] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:02:37 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000000040), 0x0, 0x200a, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r2, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r2, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r3, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)={0xf4, r3, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@ETHTOOL_A_STRSET_STRINGSETS={0xdc, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x5}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x2}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x2}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x3}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x5}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x3}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}, @ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x5}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x8}]}, {0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x2}, @ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x5}]}]}, @ETHTOOL_A_STRSET_COUNTS_ONLY={0x4}]}, 0xf4}, 0x1, 0x0, 0x0, 0x40800}, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r4, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r4, 0x0) setsockopt$inet6_IPV6_ADDRFORM(r4, 0x29, 0x1, &(0x7f0000000000), 0x4) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:02:37 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b003e006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1568.552310][T28783] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1568.669063][T28819] batman_adv: batadv0: Adding interface: ipvlan704 [ 1568.711367][T28819] batman_adv: batadv0: The MTU of interface ipvlan704 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1568.785922][T28819] batman_adv: batadv0: Not using interface ipvlan704 (retrying later): interface not active [ 1568.826595][T28821] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1568.950607][T28825] batman_adv: batadv0: Adding interface: ipvlan300 [ 1568.992351][T28825] batman_adv: batadv0: The MTU of interface ipvlan300 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1569.044914][T28825] batman_adv: batadv0: Not using interface ipvlan300 (retrying later): interface not active 00:02:38 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d019c00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:38 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000040000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:38 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000000)=ANY=[@ANYBLOB="d0fea2bb1ad36885cc986b47d6605b59170d5800", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r3, r2, 0x0, 0x100000fffffffe) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r4, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r4, 0x0) r5 = syz_genetlink_get_family_id$devlink(&(0x7f00000001c0)='devlink\x00') r6 = openat$cgroup_ro(r2, &(0x7f00000003c0)='io.stat\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r6, 0x0) sendmsg$DEVLINK_CMD_RELOAD(r4, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0xc2404}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x60, r5, 0x100, 0x70bd27, 0x25dfdbfb, {}, [{@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_FD={0x8}}, {@pci={{0x8, 0x1, 'pci\x00'}, {0x11, 0x2, '0000:00:10.0\x00'}}, @DEVLINK_ATTR_NETNS_FD={0x8, 0x8a, r6}}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000c0}, 0x90) ioctl$FS_IOC_GETVERSION(0xffffffffffffffff, 0x80087601, &(0x7f0000000300)) r7 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080)='IPVS\x00') sendmsg$IPVS_CMD_ZERO(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x14, 0x0, 0x605}, 0x14}}, 0x0) sendmsg$IPVS_CMD_DEL_DAEMON(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000700)={&(0x7f0000000340)={0x64, r7, 0x2, 0x70bd29, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_SERVICE={0x14, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x2e15447}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x7}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x800}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x9947ebea}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2b}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x8001}, 0xc005) sendmsg$IPVS_CMD_GET_SERVICE(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x78, r7, 0x400, 0x70bd2d, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x11}}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'nq\x00'}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x5}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x3a}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7f}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}]}, @IPVS_CMD_ATTR_DEST={0x24, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x8000}, @IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e22}, @IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e23}, @IPVS_DEST_ATTR_TUN_TYPE={0x5, 0xd, 0x1}]}]}, 0x78}, 0x1, 0x0, 0x0, 0x4}, 0x24000880) 00:02:38 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b003f006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:38 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000000040), 0x0, 0x200a, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r2, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r2, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r3, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)={0xf4, r3, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@ETHTOOL_A_STRSET_STRINGSETS={0xdc, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x5}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x2}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x2}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x3}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x5}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x3}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x6}, @ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x5}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x8}]}, {0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x2}, @ETHTOOL_A_STRINGSET_ID={0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x7}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x8}, @ETHTOOL_A_STRINGSET_ID={0x8, 0x1, 0x5}]}]}, @ETHTOOL_A_STRSET_COUNTS_ONLY={0x4}]}, 0xf4}, 0x1, 0x0, 0x0, 0x40800}, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r4, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r4, 0x0) setsockopt$inet6_IPV6_ADDRFORM(r4, 0x29, 0x1, &(0x7f0000000000), 0x4) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) [ 1569.132350][T28825] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 00:02:38 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400006811000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1569.230657][T28857] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:02:38 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0040006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1569.316948][T28861] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1569.410571][T28863] batman_adv: batadv0: Adding interface: ipvlan411 [ 1569.417865][T28863] batman_adv: batadv0: The MTU of interface ipvlan411 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. [ 1569.490683][T28863] batman_adv: batadv0: Not using interface ipvlan411 (retrying later): interface not active [ 1569.522413][T28867] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1569.627981][T28871] batman_adv: batadv0: Adding interface: ipvlan705 [ 1569.646917][T28871] batman_adv: batadv0: The MTU of interface ipvlan705 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. [ 1569.711592][T28871] batman_adv: batadv0: Not using interface ipvlan705 (retrying later): interface not active [ 1569.762826][T28873] batman_adv: batadv0: Adding interface: ipvlan301 [ 1569.780278][T28873] batman_adv: batadv0: The MTU of interface ipvlan301 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. [ 1569.817833][T28873] batman_adv: batadv0: Not using interface ipvlan301 (retrying later): interface not active [ 1569.843367][T28880] batman_adv: batadv0: Removing interface: ipvlan705 00:02:38 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b03ff006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1569.934733][T28890] batman_adv: batadv0: Adding interface: ipvlan412 [ 1569.953583][T28890] batman_adv: batadv0: The MTU of interface ipvlan412 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:02:39 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="440000004a000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1569.982598][T28890] batman_adv: batadv0: Not using interface ipvlan412 (retrying later): interface not active [ 1570.015144][T28886] batman_adv: batadv0: Adding interface: ipvlan302 [ 1570.060657][T28886] batman_adv: batadv0: The MTU of interface ipvlan302 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:02:39 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r3, r2, 0x0, 0x100000fffffffe) sendmsg$ETHTOOL_MSG_STRSET_GET(r2, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000000)=ANY=[], 0x18}, 0x1, 0x0, 0x0, 0x20040000}, 0x20000000) [ 1570.090055][ T29] audit: type=1804 audit(1592265759.140:341): pid=28917 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir275467463/syzkaller.GVrU4t/1690/cgroup.controllers" dev="sda1" ino=16376 res=1 00:02:39 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0002006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1570.159843][T28886] batman_adv: batadv0: Not using interface ipvlan302 (retrying later): interface not active [ 1570.165024][ T29] audit: type=1804 audit(1592265759.180:342): pid=28866 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir275467463/syzkaller.GVrU4t/1690/cgroup.controllers" dev="sda1" ino=16376 res=1 00:02:39 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = syz_genetlink_get_family_id$tipc2(&(0x7f00000000c0)='TIPCv2\x00') r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_NL_BEARER_ENABLE(r3, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000280)={0x6c, r2, 0xc573de0d27bdfe6f, 0x0, 0x0, {}, [@TIPC_NLA_BEARER={0x58, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_NAME={0xd, 0x1, @udp='udp:syz0\x00'}, @TIPC_NLA_BEARER_UDP_OPTS={0x44, 0x4, {{0x4, 0x1, @in6={0xf, 0x0, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, {0x20, 0x2, @in6={0xa, 0x0, 0x0, @remote}}}}]}]}, 0x6c}}, 0x0) sendmsg$TIPC_NL_SOCK_GET(r1, &(0x7f0000000100)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000280)={0xcc, r2, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@TIPC_NLA_NODE={0x14, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x80000001}, @TIPC_NLA_NODE_ADDR={0x8}]}, @TIPC_NLA_PUBL={0x34, 0x3, 0x0, 0x1, [@TIPC_NLA_PUBL_TYPE={0x8, 0x1, 0x3}, @TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0x4}, @TIPC_NLA_PUBL_TYPE={0x8, 0x1, 0xfb0}, @TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0xfff}, @TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0x400}, @TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0x8}]}, @TIPC_NLA_PUBL={0x2c, 0x3, 0x0, 0x1, [@TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0xffffdd9e}, @TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0x42}, @TIPC_NLA_PUBL_TYPE={0x8, 0x1, 0x7ff}, @TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0x400}, @TIPC_NLA_PUBL_UPPER={0x8}]}, @TIPC_NLA_PUBL={0x44, 0x3, 0x0, 0x1, [@TIPC_NLA_PUBL_UPPER={0x8, 0x3, 0xc943}, @TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0xffffffc1}, @TIPC_NLA_PUBL_UPPER={0x8, 0x3, 0x4}, @TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0x1}, @TIPC_NLA_PUBL_TYPE={0x8, 0x1, 0xec}, @TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0x7}, @TIPC_NLA_PUBL_UPPER={0x8, 0x3, 0x8}, @TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0x7f}]}]}, 0xcc}, 0x1, 0x0, 0x0, 0x40004}, 0x800) syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000000000)=[{{0x0, 0x0, 0x0}}], 0x1, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000180)=ANY=[@ANYBLOB="b2000000", @ANYRES16=r0, @ANYBLOB="03070006f3fffffcff001904000004000180c0a426075ff1df5f75ac4942632a5aba5a0cc3ec0f508eaaa646d91609bf8d88a5bb6a80955ef8eca4a38d9598cd7592f33e0d0e54020ce93f99fb92280055fb8a8c72d38b1b5ee644d67e13a8b07f9180d063af62c1c84e2ff0f6561e9e019c13b2e8a069954dd72653ea5bb014b79eaa79faa712323521e5b5eb225c500005310169ee1781d88f68fdc20743dc8ec1eb656e0f47e21f575434aea8099171afcf24b5d98e931ec46de11dfcdc7f39decaa9c9d5e89ae9caf6b871d769eeb2f194"], 0x18}}, 0x0) [ 1570.454190][T28918] batman_adv: batadv0: Adding interface: ipvlan413 [ 1570.478163][T28918] batman_adv: batadv0: The MTU of interface ipvlan413 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1570.525329][ T29] audit: type=1804 audit(1592265759.580:343): pid=28936 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir004166754/syzkaller.QAqwOz/2745/cgroup.controllers" dev="sda1" ino=16375 res=1 [ 1570.590134][T28918] batman_adv: batadv0: Not using interface ipvlan413 (retrying later): interface not active [ 1570.681821][T28922] batman_adv: batadv0: Adding interface: ipvlan705 [ 1570.713068][T28922] batman_adv: batadv0: The MTU of interface ipvlan705 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1570.781105][T28922] batman_adv: batadv0: Not using interface ipvlan705 (retrying later): interface not active [ 1570.808729][T28942] tipc: Invalid UDP bearer configuration [ 1570.808760][T28942] tipc: Enabling of bearer rejected, failed to enable media 00:02:39 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d029c00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:39 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400006c11000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:39 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0003006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:39 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000068000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:40 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0004006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:40 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r3, r2, 0x0, 0x100000fffffffe) sendmsg$ETHTOOL_MSG_STRSET_GET(r2, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000000)=ANY=[], 0x18}, 0x1, 0x0, 0x0, 0x20040000}, 0x20000000) [ 1571.223350][T28966] batman_adv: batadv0: Adding interface: ipvlan303 [ 1571.261484][T28966] batman_adv: batadv0: The MTU of interface ipvlan303 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. [ 1571.349373][T28966] batman_adv: batadv0: Not using interface ipvlan303 (retrying later): interface not active [ 1571.424498][T28970] batman_adv: batadv0: Adding interface: ipvlan706 [ 1571.434433][T28970] batman_adv: batadv0: The MTU of interface ipvlan706 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. [ 1571.485376][T28970] batman_adv: batadv0: Not using interface ipvlan706 (retrying later): interface not active [ 1571.508013][T28972] batman_adv: batadv0: Adding interface: ipvlan414 [ 1571.514752][ T29] audit: type=1804 audit(1592265760.570:344): pid=28995 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir004166754/syzkaller.QAqwOz/2746/cgroup.controllers" dev="sda1" ino=16131 res=1 00:02:40 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$SEG6(&(0x7f0000000100)='SEG6\x00') sendmsg$SEG6_CMD_SETHMAC(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000240)={0x14, r2, 0x5, 0x0, 0x0, {0x3}}, 0x14}, 0x1, 0x6c}, 0x0) sendmsg$SEG6_CMD_SETHMAC(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="00022d3ffbc8fcdbdf2501000000"], 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x44001) r3 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r4, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000140)=ANY=[@ANYRESDEC=r4, @ANYRES16=r3, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) [ 1571.581061][T28972] batman_adv: batadv0: The MTU of interface ipvlan414 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1571.674207][T28972] batman_adv: batadv0: Not using interface ipvlan414 (retrying later): interface not active [ 1571.735066][T28973] batman_adv: batadv0: Removing interface: ipvlan706 00:02:40 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0005006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1571.832988][T28997] batman_adv: batadv0: Adding interface: ipvlan304 [ 1571.851251][T28997] batman_adv: batadv0: The MTU of interface ipvlan304 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1571.913978][T28997] batman_adv: batadv0: Not using interface ipvlan304 (retrying later): interface not active 00:02:41 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400007411000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1572.012779][T28972] batman_adv: batadv0: Adding interface: ipvlan415 [ 1572.051013][T28972] batman_adv: batadv0: The MTU of interface ipvlan415 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:02:41 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000000)=ANY=[@ANYBLOB="d0fea2bb1ad36885cc986b47d6605b59170d5800", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r3, r2, 0x0, 0x100000fffffffe) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r4, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r4, 0x0) r5 = syz_genetlink_get_family_id$devlink(&(0x7f00000001c0)='devlink\x00') r6 = openat$cgroup_ro(r2, &(0x7f00000003c0)='io.stat\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r6, 0x0) sendmsg$DEVLINK_CMD_RELOAD(r4, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0xc2404}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x60, r5, 0x100, 0x70bd27, 0x25dfdbfb, {}, [{@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_FD={0x8}}, {@pci={{0x8, 0x1, 'pci\x00'}, {0x11, 0x2, '0000:00:10.0\x00'}}, @DEVLINK_ATTR_NETNS_FD={0x8, 0x8a, r6}}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000c0}, 0x90) ioctl$FS_IOC_GETVERSION(0xffffffffffffffff, 0x80087601, &(0x7f0000000300)) r7 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080)='IPVS\x00') sendmsg$IPVS_CMD_ZERO(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x14, 0x0, 0x605}, 0x14}}, 0x0) sendmsg$IPVS_CMD_DEL_DAEMON(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000700)={&(0x7f0000000340)={0x64, r7, 0x2, 0x70bd29, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_SERVICE={0x14, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x2e15447}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x7}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x800}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x9947ebea}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2b}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8}]}, 0x64}, 0x1, 0x0, 0x0, 0x8001}, 0xc005) sendmsg$IPVS_CMD_GET_SERVICE(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x78, r7, 0x400, 0x70bd2d, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_SERVICE={0x40, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2c}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x11}}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'nq\x00'}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x5}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x3a}, @IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x7f}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}]}, @IPVS_CMD_ATTR_DEST={0x24, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x8000}, @IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e22}, @IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e23}, @IPVS_DEST_ATTR_TUN_TYPE={0x5, 0xd, 0x1}]}]}, 0x78}, 0x1, 0x0, 0x0, 0x4}, 0x24000880) [ 1572.111113][T28972] batman_adv: batadv0: Not using interface ipvlan415 (retrying later): interface not active 00:02:41 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000073000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1572.161383][T29014] batman_adv: batadv0: Adding interface: ipvlan706 [ 1572.171903][T29014] batman_adv: batadv0: The MTU of interface ipvlan706 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1572.207064][T29014] batman_adv: batadv0: Not using interface ipvlan706 (retrying later): interface not active 00:02:41 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0008006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1572.336986][T29026] batman_adv: batadv0: Adding interface: ipvlan305 [ 1572.364557][T29026] batman_adv: batadv0: The MTU of interface ipvlan305 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1572.441758][T29026] batman_adv: batadv0: Not using interface ipvlan305 (retrying later): interface not active [ 1572.547680][T29047] batman_adv: batadv0: Adding interface: ipvlan416 [ 1572.555266][T29047] batman_adv: batadv0: The MTU of interface ipvlan416 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:02:41 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d039c00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:41 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r3, r2, 0x0, 0x100000fffffffe) r4 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000040)='TIPCv2\x00') sendmsg$TIPC_NL_BEARER_ENABLE(r2, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000240)={&(0x7f00000000c0)={0x170, r4, 0x800, 0x70bd26, 0x25dfdbff, {}, [@TIPC_NLA_LINK={0x1c, 0x4, 0x0, 0x1, [@TIPC_NLA_LINK_NAME={0x9, 0x1, 'syz0\x00'}, @TIPC_NLA_LINK_NAME={0x9, 0x1, 'syz0\x00'}]}, @TIPC_NLA_NET={0x34, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0x80000001}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x3ff}, @TIPC_NLA_NET_ID={0x8, 0x1, 0x43a233cc}, @TIPC_NLA_NET_NODEID={0xc}, @TIPC_NLA_NET_ID={0x8, 0x1, 0x401}]}, @TIPC_NLA_MEDIA={0xb0, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_NAME={0x7, 0x1, 'ib\x00'}, @TIPC_NLA_MEDIA_NAME={0x7, 0x1, 'ib\x00'}, @TIPC_NLA_MEDIA_PROP={0x2c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0xdf6}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x2a}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x10}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x10000}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x13}]}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}, @TIPC_NLA_MEDIA_PROP={0xc, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x8}]}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}, @TIPC_NLA_MEDIA_PROP={0x24, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_MTU={0x8, 0x4, 0x7}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x40}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x2}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x10000}]}, @TIPC_NLA_MEDIA_PROP={0x24, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_MTU={0x8, 0x4, 0x6b}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x2}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x44}, @TIPC_NLA_PROP_WIN={0x8}]}, @TIPC_NLA_MEDIA_PROP={0xc, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_TOL={0x8}]}]}, @TIPC_NLA_NET={0x20, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_ID={0x8, 0x1, 0xffffac30}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x8}, @TIPC_NLA_NET_NODEID={0xc}]}, @TIPC_NLA_MON={0x1c, 0x9, 0x0, 0x1, [@TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x6}, @TIPC_NLA_MON_REF={0x8, 0x2, 0x8000}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x4}]}, @TIPC_NLA_NODE={0x20, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x934f}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x9}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x9}, @TIPC_NLA_NODE_UP={0x4}]}]}, 0x170}, 0x1, 0x0, 0x0, 0x800}, 0x4) recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:02:41 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0009006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1572.594585][T29047] batman_adv: batadv0: Not using interface ipvlan416 (retrying later): interface not active [ 1572.636479][T29059] batman_adv: batadv0: Adding interface: ipvlan306 [ 1572.693234][T29059] batman_adv: batadv0: The MTU of interface ipvlan306 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. [ 1572.781017][T29059] batman_adv: batadv0: Not using interface ipvlan306 (retrying later): interface not active 00:02:41 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b000a006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:41 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400007a11000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1572.837659][T29066] batman_adv: batadv0: Adding interface: ipvlan417 [ 1572.862761][T29066] batman_adv: batadv0: The MTU of interface ipvlan417 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. [ 1572.931071][T29066] batman_adv: batadv0: Not using interface ipvlan417 (retrying later): interface not active [ 1572.945187][T29069] __nla_validate_parse: 20 callbacks suppressed [ 1572.945194][T29069] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 00:02:42 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="440000000f000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:42 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000073000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1573.151731][T29072] batman_adv: batadv0: Adding interface: ipvlan707 [ 1573.158264][T29072] batman_adv: batadv0: The MTU of interface ipvlan707 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. [ 1573.250944][T29072] batman_adv: batadv0: Not using interface ipvlan707 (retrying later): interface not active [ 1573.281134][T29075] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1573.325832][T29075] batman_adv: batadv0: Removing interface: ipvlan707 [ 1573.397556][T29078] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 00:02:42 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0010006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1573.499796][T29082] batman_adv: batadv0: Adding interface: ipvlan307 [ 1573.516030][T29082] batman_adv: batadv0: The MTU of interface ipvlan307 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. [ 1573.570906][T29082] batman_adv: batadv0: Not using interface ipvlan307 (retrying later): interface not active [ 1573.602283][T29093] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1573.638428][T29094] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1573.715604][T29095] batman_adv: batadv0: Adding interface: ipvlan45 [ 1573.724371][T29095] batman_adv: batadv0: The MTU of interface ipvlan45 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. [ 1573.750542][T29095] batman_adv: batadv0: Not using interface ipvlan45 (retrying later): interface not active 00:02:42 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000f00140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1573.784799][T29096] batman_adv: batadv0: Adding interface: ipvlan418 [ 1573.793355][T29096] batman_adv: batadv0: The MTU of interface ipvlan418 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. [ 1573.850963][T29096] batman_adv: batadv0: Not using interface ipvlan418 (retrying later): interface not active 00:02:42 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0014006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:42 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x208e24b) sendmsg$IPCTNL_MSG_CT_GET_STATS(r2, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x14, 0x5, 0x1, 0x301, 0x0, 0x0, {0xa, 0x0, 0x4}, ["", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x2000050}, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r2, 0x0) bind$ax25(r2, &(0x7f0000000000)={{0x3, @default, 0x8}, [@null, @default, @default, @bcast, @bcast, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}]}, 0x48) [ 1573.897295][T29119] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1574.042051][T29069] batman_adv: batadv0: Adding interface: ipvlan707 [ 1574.048590][T29069] batman_adv: batadv0: The MTU of interface ipvlan707 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1574.135242][T29069] batman_adv: batadv0: Not using interface ipvlan707 (retrying later): interface not active [ 1574.154606][T29078] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1574.205323][T29125] batman_adv: batadv0: Adding interface: ipvlan308 [ 1574.225066][T29125] batman_adv: batadv0: The MTU of interface ipvlan308 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:02:43 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB='D\x00\x00\x00 \x00\r\x005\x00'/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1574.264115][T29125] batman_adv: batadv0: Not using interface ipvlan308 (retrying later): interface not active [ 1574.277819][T29096] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1574.319531][T29099] batman_adv: batadv0: Adding interface: ipvlan419 [ 1574.332858][T29099] batman_adv: batadv0: The MTU of interface ipvlan419 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:02:43 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d009d00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1574.400539][T29099] batman_adv: batadv0: Not using interface ipvlan419 (retrying later): interface not active [ 1574.426291][T29163] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 00:02:43 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="440000004a000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:43 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0039006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:43 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d039c00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1574.622641][T29166] batman_adv: batadv0: Adding interface: ipvlan309 [ 1574.637498][T29166] batman_adv: batadv0: The MTU of interface ipvlan309 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1574.664873][T29166] batman_adv: batadv0: Not using interface ipvlan309 (retrying later): interface not active [ 1574.678760][T29172] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 00:02:43 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b003e006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1574.936478][T29182] batman_adv: batadv0: Adding interface: ipvlan708 [ 1574.958252][T29182] batman_adv: batadv0: The MTU of interface ipvlan708 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1575.025173][T29182] batman_adv: batadv0: Not using interface ipvlan708 (retrying later): interface not active [ 1575.063719][T29183] batman_adv: batadv0: Adding interface: ipvlan420 [ 1575.070396][T29183] batman_adv: batadv0: The MTU of interface ipvlan420 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1575.097158][T29183] batman_adv: batadv0: Not using interface ipvlan420 (retrying later): interface not active [ 1575.123746][T29185] batman_adv: batadv0: Adding interface: ipvlan46 [ 1575.137996][T29185] batman_adv: batadv0: The MTU of interface ipvlan46 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1575.200816][T29185] batman_adv: batadv0: Not using interface ipvlan46 (retrying later): interface not active [ 1575.262476][T29186] batman_adv: batadv0: Removing interface: ipvlan708 [ 1575.310798][T29191] batman_adv: batadv0: Removing interface: ipvlan46 [ 1575.350026][T29192] batman_adv: batadv0: Adding interface: ipvlan310 00:02:44 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0000036970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1575.364954][T29192] batman_adv: batadv0: The MTU of interface ipvlan310 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1575.393853][T29192] batman_adv: batadv0: Not using interface ipvlan310 (retrying later): interface not active 00:02:44 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) r2 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000080)='mptcp_pm\x00') sendmsg$MPTCP_PM_CMD_SET_LIMITS(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x24, r2, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x4}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x4040040}, 0x800) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r3, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000000)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYRESDEC=r3], 0x18}}, 0x0) 00:02:44 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB='D\x00\x00\x00@\x00\r\x005\x00'/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:44 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000068000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:44 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0000d86970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:44 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}, 0x10000000}], 0x1, 0xa, 0x0) sendmsg$IPVS_CMD_ZERO(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x28, 0x0, 0x605, 0x0, 0x0, {}, [@IPVS_CMD_ATTR_SERVICE={0x14, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_FWMARK={0x8}]}]}, 0x28}}, 0x0) sendmsg$IPVS_CMD_DEL_DAEMON(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000700)={&(0x7f0000000680)={0x60, 0x0, 0x2, 0x70bd29, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_SERVICE={0x14, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x2e15447}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x7}, @IPVS_CMD_ATTR_SERVICE={0x4}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x9947ebea}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2b}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8}]}, 0x60}, 0x1, 0x0, 0x0, 0x8001}, 0xc005) sendmsg$IPVS_CMD_GET_SERVICE(0xffffffffffffffff, &(0x7f0000004ac0)={&(0x7f0000004940)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000004a80)={&(0x7f0000004980)={0xf8, 0x0, 0x0, 0x70bd28, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x7f}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x5}, @IPVS_CMD_ATTR_DAEMON={0x34, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e24}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e22}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x1}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x9}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, @IPVS_CMD_ATTR_DAEMON={0x3c, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x3}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x6}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'veth0_to_team\x00'}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @mcast1}]}, @IPVS_CMD_ATTR_SERVICE={0x64, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e24}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'wlc\x00'}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@rand_addr=0x64010101}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x4}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x2c, 0xd}}]}]}, 0xf8}, 0x1, 0x0, 0x0, 0x4000000}, 0x2000001) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r2, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r2, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="19000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r4, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r4, 0x0) r5 = socket$kcm(0x10, 0x2, 0x10) r6 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0)='TIPC\x00') sendmsg$TIPC_CMD_SET_LINK_PRI(r5, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x68, r6, 0x8b8e0eb13081c495, 0x0, 0x1, {{0x1, 0x0, 0x5901}, {0x0, 0x4109}, {0x4c, 0x18, {0x60, @link='broadcast-link\x00'}}}}, 0x68}, 0x1, 0x0, 0x0, 0x8000}, 0x0) sendmsg$TIPC_CMD_SET_LINK_PRI(r4, &(0x7f0000004900)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x8000200}, 0xc, &(0x7f00000048c0)={&(0x7f0000004880)={0x30, r6, 0x100, 0x70bd25, 0x25dfdbff, {{}, {}, {0x14, 0x18, {0x8, @bearer=@l2={'eth', 0x3a, 'team0\x00'}}}}, ["", "", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x4810}, 0x20000481) sendmsg$NFT_MSG_GETCHAIN(r3, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) recvmmsg(r3, &(0x7f00000047c0)=[{{&(0x7f00000000c0), 0x80, &(0x7f0000000540)=[{&(0x7f00000007c0)=""/4096, 0x1000}, {&(0x7f00000017c0)=""/4096, 0x1000}, {&(0x7f0000000040)=""/40, 0x28}, {&(0x7f0000000140)=""/81, 0x51}, {&(0x7f0000000200)=""/137, 0x89}, {&(0x7f00000002c0)=""/254, 0xfe}, {&(0x7f0000000480)=""/141, 0x8d}, {&(0x7f00000027c0)=""/4096, 0x1000}, {&(0x7f00000037c0)=""/4096, 0x1000}], 0x9, &(0x7f00000003c0)}, 0xfffffffb}, {{&(0x7f0000000600)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}}}, 0x80, &(0x7f0000000400)=[{&(0x7f0000000680)=""/217, 0xd9}], 0x1}, 0x449}], 0x2, 0x40000020, &(0x7f0000004840)) [ 1575.749704][T29247] batman_adv: batadv0: Adding interface: ipvlan421 [ 1575.772806][T29247] batman_adv: batadv0: The MTU of interface ipvlan421 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. [ 1575.861182][T29247] batman_adv: batadv0: Not using interface ipvlan421 (retrying later): interface not active [ 1575.937892][T29248] batman_adv: batadv0: Adding interface: ipvlan311 [ 1575.963302][T29248] batman_adv: batadv0: The MTU of interface ipvlan311 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. [ 1576.080718][T29248] batman_adv: batadv0: Not using interface ipvlan311 (retrying later): interface not active 00:02:45 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0000d96970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:45 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d019d00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1576.220187][T29247] batman_adv: batadv0: Adding interface: ipvlan422 [ 1576.230089][T29247] batman_adv: batadv0: The MTU of interface ipvlan422 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. [ 1576.314599][T29247] batman_adv: batadv0: Not using interface ipvlan422 (retrying later): interface not active [ 1576.376680][T29248] batman_adv: batadv0: Adding interface: ipvlan312 00:02:45 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000073000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1576.404512][T29248] batman_adv: batadv0: The MTU of interface ipvlan312 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. 00:02:45 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r3, r2, 0x0, 0x100000fffffffe) r4 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_ifreq(r4, 0x89f0, &(0x7f0000000180)={'ip6_vti0\x00', @ifru_flags}) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040)='NLBL_UNLBL\x00') sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r4, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000000c0)={0xd8, r5, 0x20, 0x70bd28, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:hald_cache_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wg2\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:cron_log_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x4}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0={0xfc, 0x0, [], 0x1}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6_vti0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:etc_mail_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0xd8}, 0x1, 0x0, 0x0, 0x4000011}, 0x40000) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x78, r5, 0x410, 0x70bd28, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'batadv_slave_1\x00'}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:gpg_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_virt_wifi\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x78}, 0x1, 0x0, 0x0, 0x40}, 0x20000090) [ 1576.521624][T29248] batman_adv: batadv0: Not using interface ipvlan312 (retrying later): interface not active 00:02:45 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001026970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:45 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r1, 0x401c5820, &(0x7f00000000c0)={0x20}) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r1, &(0x7f0000000080)=ANY=[], 0xfe6f) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r3, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$sock_ifreq(0xffffffffffffffff, 0x0, 0x0) ioctl$EXT4_IOC_MOVE_EXT(r2, 0xc028660f, &(0x7f0000000040)={0x0, r1, 0x4}) r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r4, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:02:45 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB='D\x00\x00\x00I\x00\r\x005\x00'/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1576.714839][T29282] batman_adv: batadv0: Adding interface: ipvlan708 [ 1576.747572][T29282] batman_adv: batadv0: The MTU of interface ipvlan708 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1576.820473][T29282] batman_adv: batadv0: Not using interface ipvlan708 (retrying later): interface not active [ 1576.869242][T29286] batman_adv: batadv0: Removing interface: ipvlan708 [ 1577.023534][T29292] batman_adv: batadv0: Adding interface: ipvlan423 [ 1577.039231][T29292] batman_adv: batadv0: The MTU of interface ipvlan423 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1577.086932][T29292] batman_adv: batadv0: Not using interface ipvlan423 (retrying later): interface not active 00:02:46 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001036970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1577.167795][T29313] batman_adv: batadv0: Adding interface: ipvlan313 [ 1577.183592][T29313] batman_adv: batadv0: The MTU of interface ipvlan313 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1577.251144][T29313] batman_adv: batadv0: Not using interface ipvlan313 (retrying later): interface not active 00:02:46 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d008100"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1577.423904][T29330] batman_adv: batadv0: Adding interface: ipvlan708 [ 1577.430995][T29330] batman_adv: batadv0: The MTU of interface ipvlan708 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1577.462544][T29330] batman_adv: batadv0: Not using interface ipvlan708 (retrying later): interface not active 00:02:46 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001046970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:46 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0}}], 0xf, 0xa, 0x0) pipe(&(0x7f0000000880)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f00000008c0)={0x0, 0x1}, &(0x7f0000000900)=0x8) setsockopt$inet_sctp6_SCTP_ASSOCINFO(r2, 0x84, 0x1, &(0x7f0000000940)={r3, 0x8001, 0xfff, 0x9, 0x4, 0x5b}, 0x14) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000000)=ANY=[@ANYBLOB="1800258c8e10abcbc5d6feaceada0695e7da64", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:02:46 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110400001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1577.588676][T29347] batman_adv: batadv0: Adding interface: ipvlan314 [ 1577.610683][T29347] batman_adv: batadv0: The MTU of interface ipvlan314 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. [ 1577.681564][T29347] batman_adv: batadv0: Not using interface ipvlan314 (retrying later): interface not active 00:02:46 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB='D\x00\x00\x00s\x00\r\x005\x00'/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1577.784864][T29354] batman_adv: batadv0: Adding interface: ipvlan46 00:02:46 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d029d00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1577.814764][T29354] batman_adv: batadv0: The MTU of interface ipvlan46 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. [ 1577.882008][T29354] batman_adv: batadv0: Not using interface ipvlan46 (retrying later): interface not active [ 1577.919182][T29360] batman_adv: batadv0: Removing interface: ipvlan46 00:02:47 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001056970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1577.986041][T29362] __nla_validate_parse: 21 callbacks suppressed [ 1577.986049][T29362] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1578.120050][T29369] batman_adv: batadv0: Adding interface: ipvlan424 [ 1578.132257][T29369] batman_adv: batadv0: The MTU of interface ipvlan424 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. [ 1578.162197][T29369] batman_adv: batadv0: Not using interface ipvlan424 (retrying later): interface not active [ 1578.196319][T29377] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1578.245065][T29379] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1578.312274][T29380] batman_adv: batadv0: Adding interface: ipvlan315 [ 1578.318798][T29380] batman_adv: batadv0: The MTU of interface ipvlan315 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. [ 1578.380626][T29380] batman_adv: batadv0: Not using interface ipvlan315 (retrying later): interface not active [ 1578.414360][T29383] batman_adv: batadv0: Adding interface: ipvlan709 [ 1578.421564][T29383] batman_adv: batadv0: The MTU of interface ipvlan709 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. [ 1578.449004][T29383] batman_adv: batadv0: Not using interface ipvlan709 (retrying later): interface not active [ 1578.465479][T29390] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. 00:02:47 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @initdev}}}, 0x80, &(0x7f0000000340)=[{&(0x7f0000000080)=""/193, 0xc1}, {&(0x7f0000000180)=""/154, 0x9a}, {&(0x7f0000000240)=""/44, 0x2c}, {&(0x7f0000000280)=""/133, 0x85}], 0x4, &(0x7f0000000380)=""/137, 0x89}, 0x2}], 0x1, 0x2048, 0x0) [ 1578.485171][T29390] batman_adv: batadv0: Removing interface: ipvlan709 [ 1578.524915][T29369] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:02:47 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001066970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:47 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x68000000, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1578.611635][T29374] batman_adv: batadv0: Adding interface: ipvlan425 [ 1578.633402][T29374] batman_adv: batadv0: The MTU of interface ipvlan425 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. [ 1578.710059][T29374] batman_adv: batadv0: Not using interface ipvlan425 (retrying later): interface not active [ 1578.735282][T29377] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 00:02:47 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011020d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1578.785885][T29415] batman_adv: batadv0: Adding interface: ipvlan316 [ 1578.811481][T29415] batman_adv: batadv0: The MTU of interface ipvlan316 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. [ 1578.869618][T29415] batman_adv: batadv0: Not using interface ipvlan316 (retrying later): interface not active [ 1578.907072][T29379] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 00:02:48 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001076970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1579.045241][T29431] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1579.110792][T29434] batman_adv: batadv0: Adding interface: ipvlan709 [ 1579.122374][T29434] batman_adv: batadv0: The MTU of interface ipvlan709 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. [ 1579.171685][T29434] batman_adv: batadv0: Not using interface ipvlan709 (retrying later): interface not active [ 1579.195554][T29435] batman_adv: batadv0: Adding interface: ipvlan159 [ 1579.210572][T29435] batman_adv: batadv0: The MTU of interface ipvlan159 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. [ 1579.250550][T29435] batman_adv: batadv0: Not using interface ipvlan159 (retrying later): interface not active [ 1579.265399][T29440] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1579.295066][T29440] batman_adv: batadv0: Removing interface: ipvlan159 [ 1579.341771][T29442] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1579.415761][T29443] batman_adv: batadv0: Adding interface: ipvlan426 [ 1579.422673][T29443] batman_adv: batadv0: The MTU of interface ipvlan426 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. [ 1579.449108][T29443] batman_adv: batadv0: Not using interface ipvlan426 (retrying later): interface not active 00:02:48 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0, 0x0, 0x0, 0x60000000}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:02:48 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="440000000f000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:48 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001096970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1579.559287][T29448] batman_adv: batadv0: Adding interface: ipvlan427 [ 1579.576507][T29448] batman_adv: batadv0: The MTU of interface ipvlan427 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1579.647088][T29448] batman_adv: batadv0: Not using interface ipvlan427 (retrying later): interface not active 00:02:48 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011030d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:48 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d039d00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1579.752958][T29481] batman_adv: batadv0: Adding interface: ipvlan317 [ 1579.767466][T29481] batman_adv: batadv0: The MTU of interface ipvlan317 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1579.871869][T29481] batman_adv: batadv0: Not using interface ipvlan317 (retrying later): interface not active 00:02:48 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0, 0x0, 0x0, 0xe000000}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:02:49 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b00010a6970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1580.103946][T29498] batman_adv: batadv0: Adding interface: ipvlan710 [ 1580.126238][T29498] batman_adv: batadv0: The MTU of interface ipvlan710 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. [ 1580.166657][T29498] batman_adv: batadv0: Not using interface ipvlan710 (retrying later): interface not active [ 1580.224745][T29500] batman_adv: batadv0: Adding interface: ipvlan428 [ 1580.246276][T29500] batman_adv: batadv0: The MTU of interface ipvlan428 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. 00:02:49 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d037f00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1580.274338][T29500] batman_adv: batadv0: Not using interface ipvlan428 (retrying later): interface not active [ 1580.317964][T29501] batman_adv: batadv0: Removing interface: ipvlan710 [ 1580.394647][T29505] batman_adv: batadv0: Adding interface: ipvlan318 [ 1580.409339][T29505] batman_adv: batadv0: The MTU of interface ipvlan318 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. [ 1580.450144][T29505] batman_adv: batadv0: Not using interface ipvlan318 (retrying later): interface not active 00:02:49 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b00010c6970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:49 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB='D\x00\x00\x00I\x00\r\x005\x00'/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1580.550150][T29504] batman_adv: batadv0: Adding interface: ipvlan429 [ 1580.573846][T29504] batman_adv: batadv0: The MTU of interface ipvlan429 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. [ 1580.603997][T29504] batman_adv: batadv0: Not using interface ipvlan429 (retrying later): interface not active [ 1580.635938][T29534] batman_adv: batadv0: Adding interface: ipvlan46 00:02:49 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011040d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1580.654965][T29534] batman_adv: batadv0: The MTU of interface ipvlan46 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. [ 1580.715057][T29534] batman_adv: batadv0: Not using interface ipvlan46 (retrying later): interface not active 00:02:49 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x60000000, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1580.773636][T29538] batman_adv: batadv0: Removing interface: ipvlan46 00:02:50 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b00010e6970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1581.025690][T29551] batman_adv: batadv0: Adding interface: ipvlan319 [ 1581.043770][T29551] batman_adv: batadv0: The MTU of interface ipvlan319 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. [ 1581.097703][T29551] batman_adv: batadv0: Not using interface ipvlan319 (retrying later): interface not active [ 1581.186066][T29559] batman_adv: batadv0: Adding interface: ipvlan430 [ 1581.200345][T29559] batman_adv: batadv0: The MTU of interface ipvlan430 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. [ 1581.260964][T29559] batman_adv: batadv0: Not using interface ipvlan430 (retrying later): interface not active [ 1581.322471][T29577] batman_adv: batadv0: Adding interface: ipvlan159 [ 1581.329025][T29577] batman_adv: batadv0: The MTU of interface ipvlan159 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. [ 1581.400327][T29577] batman_adv: batadv0: Not using interface ipvlan159 (retrying later): interface not active [ 1581.427506][T29583] batman_adv: batadv0: Removing interface: ipvlan159 00:02:50 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b00010f6970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1581.502696][T29551] batman_adv: batadv0: Adding interface: ipvlan320 [ 1581.509225][T29551] batman_adv: batadv0: The MTU of interface ipvlan320 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. [ 1581.543756][T29551] batman_adv: batadv0: Not using interface ipvlan320 (retrying later): interface not active [ 1581.584651][T29569] batman_adv: batadv0: Adding interface: ipvlan431 [ 1581.600685][T29569] batman_adv: batadv0: The MTU of interface ipvlan431 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. 00:02:50 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB='D\x00\x00\x00s\x00\r\x005\x00'/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1581.632806][T29569] batman_adv: batadv0: Not using interface ipvlan431 (retrying later): interface not active 00:02:50 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001106970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:50 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d009e00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:50 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011050d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:50 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011040d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:50 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x4c000000, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:50 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001606970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1581.872342][T29614] batman_adv: batadv0: Adding interface: ipvlan321 [ 1581.890660][T29614] batman_adv: batadv0: The MTU of interface ipvlan321 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. [ 1581.942990][T29614] batman_adv: batadv0: Not using interface ipvlan321 (retrying later): interface not active [ 1582.144154][T29633] batman_adv: batadv0: Adding interface: ipvlan432 [ 1582.160479][T29633] batman_adv: batadv0: The MTU of interface ipvlan432 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. [ 1582.220066][T29633] batman_adv: batadv0: Not using interface ipvlan432 (retrying later): interface not active [ 1582.269808][T29634] batman_adv: batadv0: Adding interface: ipvlan46 [ 1582.284233][T29634] batman_adv: batadv0: The MTU of interface ipvlan46 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. [ 1582.349040][T29634] batman_adv: batadv0: Not using interface ipvlan46 (retrying later): interface not active 00:02:51 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616ea0000000028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1582.462804][T29635] batman_adv: batadv0: Adding interface: ipvlan710 [ 1582.469346][T29635] batman_adv: batadv0: The MTU of interface ipvlan710 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. 00:02:51 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d037e00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1582.545257][T29635] batman_adv: batadv0: Not using interface ipvlan710 (retrying later): interface not active [ 1582.606141][T29642] batman_adv: batadv0: Removing interface: ipvlan710 00:02:51 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110400003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1582.772763][T29648] batman_adv: batadv0: Adding interface: ipvlan159 [ 1582.783504][T29648] batman_adv: batadv0: The MTU of interface ipvlan159 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. [ 1582.842304][T29648] batman_adv: batadv0: Not using interface ipvlan159 (retrying later): interface not active [ 1582.877458][T29656] batman_adv: batadv0: Removing interface: ipvlan159 [ 1582.938456][T29665] batman_adv: batadv0: Adding interface: ipvlan433 [ 1582.947635][T29665] batman_adv: batadv0: The MTU of interface ipvlan433 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. [ 1582.974843][T29665] batman_adv: batadv0: Not using interface ipvlan433 (retrying later): interface not active 00:02:52 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011060d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1582.993885][T29671] __nla_validate_parse: 25 callbacks suppressed [ 1582.993894][T29671] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1583.011322][T29679] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1583.087911][T29683] batman_adv: batadv0: Adding interface: ipvlan47 [ 1583.113729][T29683] batman_adv: batadv0: The MTU of interface ipvlan47 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. [ 1583.171697][T29683] batman_adv: batadv0: Not using interface ipvlan47 (retrying later): interface not active [ 1583.196380][T29635] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1583.266399][T29688] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1583.296251][T29688] batman_adv: batadv0: Removing interface: ipvlan47 [ 1583.338788][T29689] batman_adv: batadv0: Adding interface: ipvlan710 [ 1583.346041][T29689] batman_adv: batadv0: The MTU of interface ipvlan710 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. [ 1583.374116][T29689] batman_adv: batadv0: Not using interface ipvlan710 (retrying later): interface not active [ 1583.395830][T29694] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1583.434971][T29697] batman_adv: batadv0: Adding interface: ipvlan322 [ 1583.441809][T29697] batman_adv: batadv0: The MTU of interface ipvlan322 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. [ 1583.469178][T29697] batman_adv: batadv0: Not using interface ipvlan322 (retrying later): interface not active 00:02:52 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e9f600300028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1583.488644][T29715] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1583.551264][T29718] batman_adv: batadv0: Adding interface: ipvlan434 [ 1583.557809][T29718] batman_adv: batadv0: The MTU of interface ipvlan434 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. [ 1583.620215][T29718] batman_adv: batadv0: Not using interface ipvlan434 (retrying later): interface not active [ 1583.664907][T29697] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1583.679984][T29747] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1583.707334][T29746] batman_adv: batadv0: Adding interface: ipvlan323 [ 1583.714260][T29746] batman_adv: batadv0: The MTU of interface ipvlan323 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. [ 1583.744188][T29746] batman_adv: batadv0: Not using interface ipvlan323 (retrying later): interface not active 00:02:52 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616ea0600300028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:52 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d019e00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1583.771062][T29721] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:02:52 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d009e00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:52 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110800003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:52 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x3f000000, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:52 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011070d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1583.875832][T29753] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1584.063752][T29756] batman_adv: batadv0: Adding interface: ipvlan711 [ 1584.072121][T29756] batman_adv: batadv0: The MTU of interface ipvlan711 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. [ 1584.111561][T29756] batman_adv: batadv0: Not using interface ipvlan711 (retrying later): interface not active [ 1584.164822][T29763] batman_adv: batadv0: Adding interface: ipvlan159 [ 1584.172247][T29763] batman_adv: batadv0: The MTU of interface ipvlan159 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. [ 1584.239122][T29763] batman_adv: batadv0: Not using interface ipvlan159 (retrying later): interface not active [ 1584.283398][T29764] batman_adv: batadv0: Removing interface: ipvlan711 [ 1584.470289][T29774] batman_adv: batadv0: Removing interface: ipvlan159 [ 1584.588283][T29777] batman_adv: batadv0: Adding interface: ipvlan435 [ 1584.595391][T29777] batman_adv: batadv0: The MTU of interface ipvlan435 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. [ 1584.624694][T29777] batman_adv: batadv0: Not using interface ipvlan435 (retrying later): interface not active [ 1584.674639][T29778] batman_adv: batadv0: Adding interface: ipvlan324 [ 1584.690150][T29778] batman_adv: batadv0: The MTU of interface ipvlan324 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. [ 1584.750130][T29778] batman_adv: batadv0: Not using interface ipvlan324 (retrying later): interface not active [ 1584.778283][T29781] batman_adv: batadv0: Adding interface: ipvlan47 [ 1584.800328][T29781] batman_adv: batadv0: The MTU of interface ipvlan47 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. 00:02:53 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616ec0600300028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1584.850066][T29781] batman_adv: batadv0: Not using interface ipvlan47 (retrying later): interface not active [ 1584.888330][T29789] batman_adv: batadv0: Removing interface: ipvlan47 [ 1584.985529][T29782] batman_adv: batadv0: Adding interface: ipvlan436 [ 1585.000129][T29782] batman_adv: batadv0: The MTU of interface ipvlan436 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. [ 1585.063202][T29782] batman_adv: batadv0: Not using interface ipvlan436 (retrying later): interface not active [ 1585.107547][T29824] batman_adv: batadv0: Adding interface: ipvlan711 [ 1585.124915][T29824] batman_adv: batadv0: The MTU of interface ipvlan711 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. 00:02:54 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011080d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1585.155052][T29824] batman_adv: batadv0: Not using interface ipvlan711 (retrying later): interface not active [ 1585.207914][T29783] batman_adv: batadv0: Adding interface: ipvlan325 [ 1585.218071][T29783] batman_adv: batadv0: The MTU of interface ipvlan325 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. [ 1585.247033][T29783] batman_adv: batadv0: Not using interface ipvlan325 (retrying later): interface not active 00:02:54 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011020d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1585.383502][T29851] batman_adv: batadv0: Adding interface: ipvlan437 [ 1585.401318][T29851] batman_adv: batadv0: The MTU of interface ipvlan437 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. [ 1585.460286][T29851] batman_adv: batadv0: Not using interface ipvlan437 (retrying later): interface not active 00:02:54 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00610300028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:54 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d029e00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:54 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011070d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1585.559095][T29864] batman_adv: batadv0: Adding interface: ipvlan326 [ 1585.566676][T29864] batman_adv: batadv0: The MTU of interface ipvlan326 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. [ 1585.612019][T29864] batman_adv: batadv0: Not using interface ipvlan326 (retrying later): interface not active [ 1585.686245][T29874] batman_adv: batadv0: Adding interface: ipvlan438 00:02:54 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x10000000, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1585.720379][T29874] batman_adv: batadv0: The MTU of interface ipvlan438 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. [ 1585.790141][T29874] batman_adv: batadv0: Not using interface ipvlan438 (retrying later): interface not active 00:02:54 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011090d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:54 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e02000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1586.005586][T29883] batman_adv: batadv0: Adding interface: ipvlan159 [ 1586.030716][T29883] batman_adv: batadv0: The MTU of interface ipvlan159 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. [ 1586.094673][T29883] batman_adv: batadv0: Not using interface ipvlan159 (retrying later): interface not active [ 1586.140420][T29869] batman_adv: batadv0: Adding interface: ipvlan327 [ 1586.155092][T29869] batman_adv: batadv0: The MTU of interface ipvlan327 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. 00:02:55 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x9000000, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1586.254481][T29869] batman_adv: batadv0: Not using interface ipvlan327 (retrying later): interface not active 00:02:55 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011030d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1586.324523][T29884] batman_adv: batadv0: Adding interface: ipvlan712 [ 1586.345812][T29884] batman_adv: batadv0: The MTU of interface ipvlan712 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. [ 1586.382452][T29884] batman_adv: batadv0: Not using interface ipvlan712 (retrying later): interface not active [ 1586.427080][T29887] batman_adv: batadv0: Removing interface: ipvlan712 [ 1586.606056][T29892] batman_adv: batadv0: Adding interface: ipvlan47 [ 1586.613174][T29892] batman_adv: batadv0: The MTU of interface ipvlan47 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. [ 1586.641627][T29892] batman_adv: batadv0: Not using interface ipvlan47 (retrying later): interface not active [ 1586.671183][T29895] batman_adv: batadv0: Removing interface: ipvlan47 [ 1586.794660][T29912] batman_adv: batadv0: Adding interface: ipvlan439 [ 1586.804642][T29912] batman_adv: batadv0: The MTU of interface ipvlan439 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. [ 1586.831496][T29912] batman_adv: batadv0: Not using interface ipvlan439 (retrying later): interface not active [ 1586.891259][T29921] batman_adv: batadv0: Adding interface: ipvlan160 [ 1586.897871][T29921] batman_adv: batadv0: The MTU of interface ipvlan160 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. [ 1586.940509][T29921] batman_adv: batadv0: Not using interface ipvlan160 (retrying later): interface not active [ 1586.967146][T29924] batman_adv: batadv0: Removing interface: ipvlan160 [ 1587.081097][T29932] batman_adv: batadv0: Adding interface: ipvlan712 [ 1587.088020][T29932] batman_adv: batadv0: The MTU of interface ipvlan712 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. [ 1587.119352][T29932] batman_adv: batadv0: Not using interface ipvlan712 (retrying later): interface not active 00:02:56 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e03000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1587.145372][T29938] batman_adv: batadv0: Adding interface: ipvlan328 [ 1587.152194][T29938] batman_adv: batadv0: The MTU of interface ipvlan328 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. [ 1587.180169][T29938] batman_adv: batadv0: Not using interface ipvlan328 (retrying later): interface not active [ 1587.242129][T29912] batman_adv: batadv0: Adding interface: ipvlan440 [ 1587.248673][T29912] batman_adv: batadv0: The MTU of interface ipvlan440 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. [ 1587.276500][T29912] batman_adv: batadv0: Not using interface ipvlan440 (retrying later): interface not active 00:02:56 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110a0d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1587.317292][T29944] batman_adv: batadv0: Adding interface: ipvlan329 [ 1587.346928][T29944] batman_adv: batadv0: The MTU of interface ipvlan329 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. [ 1587.442311][T29944] batman_adv: batadv0: Not using interface ipvlan329 (retrying later): interface not active 00:02:56 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011040d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:56 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e04000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1587.606154][T29993] batman_adv: batadv0: Adding interface: ipvlan441 [ 1587.622464][T29993] batman_adv: batadv0: The MTU of interface ipvlan441 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. [ 1587.689911][T29993] batman_adv: batadv0: Not using interface ipvlan441 (retrying later): interface not active 00:02:56 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d039e00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:56 executing program 4: syz_emit_ethernet(0x5e, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "03ce02", 0x28, 0x3a, 0x0, @remote, @mcast2={0xff, 0x5}, {[], @ndisc_redir={0x89, 0x0, 0x0, [0x0, 0x0, 0x0, 0xff], @empty, @remote}}}}}}, 0x0) 00:02:56 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d037c00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1587.854526][T30009] batman_adv: batadv0: Adding interface: ipvlan330 00:02:56 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d017c00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1587.886438][T30009] batman_adv: batadv0: The MTU of interface ipvlan330 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. [ 1587.973905][T30009] batman_adv: batadv0: Not using interface ipvlan330 (retrying later): interface not active 00:02:57 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e05000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1588.021859][T29992] __nla_validate_parse: 31 callbacks suppressed [ 1588.021869][T29992] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1588.055430][T30022] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 00:02:57 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110c0d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1588.169927][T30024] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1588.271894][T30028] batman_adv: batadv0: Adding interface: ipvlan713 [ 1588.286750][T30028] batman_adv: batadv0: The MTU of interface ipvlan713 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. [ 1588.348220][T30028] batman_adv: batadv0: Not using interface ipvlan713 (retrying later): interface not active [ 1588.373962][T30030] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1588.463169][T30029] batman_adv: batadv0: Adding interface: ipvlan160 [ 1588.476620][T30029] batman_adv: batadv0: The MTU of interface ipvlan160 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. [ 1588.504257][T30029] batman_adv: batadv0: Not using interface ipvlan160 (retrying later): interface not active [ 1588.518593][T30031] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1588.545410][T30031] batman_adv: batadv0: Removing interface: ipvlan713 [ 1588.590332][T30032] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1588.607867][T30032] batman_adv: batadv0: Removing interface: ipvlan160 [ 1588.647500][T30002] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1588.669694][T30033] batman_adv: batadv0: Adding interface: ipvlan47 [ 1588.690123][T30033] batman_adv: batadv0: The MTU of interface ipvlan47 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. [ 1588.749764][T30033] batman_adv: batadv0: Not using interface ipvlan47 (retrying later): interface not active [ 1588.785020][T30035] batman_adv: batadv0: Adding interface: ipvlan331 [ 1588.799844][T30035] batman_adv: batadv0: The MTU of interface ipvlan331 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. [ 1588.838707][T30035] batman_adv: batadv0: Not using interface ipvlan331 (retrying later): interface not active 00:02:57 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011050d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1588.853233][T30036] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1588.910764][T30036] batman_adv: batadv0: Removing interface: ipvlan47 [ 1588.995478][T30045] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1589.081051][T30050] batman_adv: batadv0: Adding interface: ipvlan442 [ 1589.094162][T30050] batman_adv: batadv0: The MTU of interface ipvlan442 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. [ 1589.121069][T30050] batman_adv: batadv0: Not using interface ipvlan442 (retrying later): interface not active [ 1589.140397][T30022] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1589.195659][T30077] batman_adv: batadv0: Adding interface: ipvlan713 [ 1589.205102][T30077] batman_adv: batadv0: The MTU of interface ipvlan713 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. [ 1589.233492][T30077] batman_adv: batadv0: Not using interface ipvlan713 (retrying later): interface not active 00:02:58 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e06000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1589.302053][T30092] batman_adv: batadv0: Adding interface: ipvlan332 [ 1589.315163][T30092] batman_adv: batadv0: The MTU of interface ipvlan332 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. [ 1589.347432][T30092] batman_adv: batadv0: Not using interface ipvlan332 (retrying later): interface not active 00:02:58 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110e0d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1589.380344][T30098] batman_adv: batadv0: Adding interface: ipvlan443 [ 1589.387096][T30098] batman_adv: batadv0: The MTU of interface ipvlan443 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. [ 1589.414355][T30098] batman_adv: batadv0: Not using interface ipvlan443 (retrying later): interface not active 00:02:58 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e07000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:58 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011060d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:58 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d017c00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:58 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d009f00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:02:58 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x8000000, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1589.679427][T30125] batman_adv: batadv0: Adding interface: ipvlan444 [ 1589.710068][T30125] batman_adv: batadv0: The MTU of interface ipvlan444 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. [ 1589.797531][T30125] batman_adv: batadv0: Not using interface ipvlan444 (retrying later): interface not active [ 1589.904165][T30135] batman_adv: batadv0: Adding interface: ipvlan333 [ 1589.922342][T30135] batman_adv: batadv0: The MTU of interface ipvlan333 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. [ 1589.983750][T30135] batman_adv: batadv0: Not using interface ipvlan333 (retrying later): interface not active [ 1590.166566][T30144] batman_adv: batadv0: Adding interface: ipvlan160 [ 1590.199944][T30144] batman_adv: batadv0: The MTU of interface ipvlan160 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. [ 1590.279656][T30144] batman_adv: batadv0: Not using interface ipvlan160 (retrying later): interface not active [ 1590.321593][T30145] batman_adv: batadv0: Adding interface: ipvlan47 [ 1590.328043][T30145] batman_adv: batadv0: The MTU of interface ipvlan47 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. [ 1590.356121][T30145] batman_adv: batadv0: Not using interface ipvlan47 (retrying later): interface not active [ 1590.389353][T30146] batman_adv: batadv0: Adding interface: ipvlan714 [ 1590.396129][T30146] batman_adv: batadv0: The MTU of interface ipvlan714 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. [ 1590.426383][T30146] batman_adv: batadv0: Not using interface ipvlan714 (retrying later): interface not active [ 1590.447505][T30150] batman_adv: batadv0: Removing interface: ipvlan160 [ 1590.494530][T30154] batman_adv: batadv0: Removing interface: ipvlan47 [ 1590.564610][T30158] batman_adv: batadv0: Removing interface: ipvlan714 00:02:59 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e09000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:02:59 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011100d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1590.686853][T30140] batman_adv: batadv0: Adding interface: ipvlan334 [ 1590.709981][T30140] batman_adv: batadv0: The MTU of interface ipvlan334 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. [ 1590.779183][T30140] batman_adv: batadv0: Not using interface ipvlan334 (retrying later): interface not active 00:02:59 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011070d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1590.982863][T30213] batman_adv: batadv0: Adding interface: ipvlan445 [ 1590.989406][T30213] batman_adv: batadv0: The MTU of interface ipvlan445 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. [ 1591.044602][T30213] batman_adv: batadv0: Not using interface ipvlan445 (retrying later): interface not active 00:03:00 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e0a000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1591.144656][T30228] batman_adv: batadv0: Adding interface: ipvlan335 [ 1591.151482][T30228] batman_adv: batadv0: The MTU of interface ipvlan335 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. [ 1591.179988][T30228] batman_adv: batadv0: Not using interface ipvlan335 (retrying later): interface not active 00:03:00 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d039e00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1591.243487][T30218] batman_adv: batadv0: Adding interface: ipvlan446 [ 1591.265687][T30218] batman_adv: batadv0: The MTU of interface ipvlan446 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. [ 1591.292852][T30218] batman_adv: batadv0: Not using interface ipvlan446 (retrying later): interface not active 00:03:00 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d019f00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:00 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0, 0x6000000000000000}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:03:00 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e0c000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1591.372510][T30231] batman_adv: batadv0: Adding interface: ipvlan336 00:03:00 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011480d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1591.400995][T30231] batman_adv: batadv0: The MTU of interface ipvlan336 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1591.490844][T30231] batman_adv: batadv0: Not using interface ipvlan336 (retrying later): interface not active 00:03:00 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011080d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1591.601680][T30249] batman_adv: batadv0: Adding interface: ipvlan160 [ 1591.623952][T30249] batman_adv: batadv0: The MTU of interface ipvlan160 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1591.684512][T30249] batman_adv: batadv0: Not using interface ipvlan160 (retrying later): interface not active [ 1591.778652][T30259] batman_adv: batadv0: Removing interface: ipvlan160 [ 1591.949210][T30261] batman_adv: batadv0: Adding interface: ipvlan714 [ 1591.963799][T30261] batman_adv: batadv0: The MTU of interface ipvlan714 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1592.028953][T30261] batman_adv: batadv0: Not using interface ipvlan714 (retrying later): interface not active [ 1592.081347][T30266] batman_adv: batadv0: Adding interface: ipvlan447 [ 1592.088384][T30266] batman_adv: batadv0: The MTU of interface ipvlan447 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1592.116384][T30266] batman_adv: batadv0: Not using interface ipvlan447 (retrying later): interface not active [ 1592.152844][T30269] batman_adv: batadv0: Removing interface: ipvlan714 00:03:01 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e0e000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1592.254176][T30275] batman_adv: batadv0: Adding interface: ipvlan337 [ 1592.265931][T30275] batman_adv: batadv0: The MTU of interface ipvlan337 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1592.293181][T30275] batman_adv: batadv0: Not using interface ipvlan337 (retrying later): interface not active 00:03:01 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0, 0x6000000000000000}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) [ 1592.394908][T30307] batman_adv: batadv0: Adding interface: ipvlan448 [ 1592.409875][T30307] batman_adv: batadv0: The MTU of interface ipvlan448 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. [ 1592.467499][T30307] batman_adv: batadv0: Not using interface ipvlan448 (retrying later): interface not active 00:03:01 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000114c0d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1592.590708][T30322] batman_adv: batadv0: Adding interface: ipvlan338 [ 1592.597255][T30322] batman_adv: batadv0: The MTU of interface ipvlan338 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. 00:03:01 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011090d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1592.661606][T30322] batman_adv: batadv0: Not using interface ipvlan338 (retrying later): interface not active 00:03:01 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d027a00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:01 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e0f000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1592.800198][T30337] batman_adv: batadv0: Adding interface: ipvlan449 00:03:01 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0xf0ffff, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1592.825959][T30337] batman_adv: batadv0: The MTU of interface ipvlan449 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. [ 1592.905254][T30337] batman_adv: batadv0: Not using interface ipvlan449 (retrying later): interface not active [ 1593.056511][T30350] batman_adv: batadv0: Adding interface: ipvlan339 [ 1593.079680][T30350] batman_adv: batadv0: The MTU of interface ipvlan339 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. [ 1593.140642][T30350] batman_adv: batadv0: Not using interface ipvlan339 (retrying later): interface not active [ 1593.174720][T30351] batman_adv: batadv0: Adding interface: ipvlan47 [ 1593.189698][T30351] batman_adv: batadv0: The MTU of interface ipvlan47 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. 00:03:02 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d029f00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1593.249467][T30351] batman_adv: batadv0: Not using interface ipvlan47 (retrying later): interface not active [ 1593.271344][T30356] __nla_validate_parse: 30 callbacks suppressed [ 1593.271352][T30356] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1593.345441][T30358] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1593.374587][T30358] batman_adv: batadv0: Removing interface: ipvlan47 [ 1593.436042][T30337] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1593.471899][T30361] batman_adv: batadv0: Adding interface: ipvlan160 [ 1593.484920][T30361] batman_adv: batadv0: The MTU of interface ipvlan160 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. [ 1593.511443][T30361] batman_adv: batadv0: Not using interface ipvlan160 (retrying later): interface not active [ 1593.524140][T30366] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1593.548047][T30366] batman_adv: batadv0: Removing interface: ipvlan160 [ 1593.608581][T30365] batman_adv: batadv0: Adding interface: ipvlan450 [ 1593.621615][T30365] batman_adv: batadv0: The MTU of interface ipvlan450 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. [ 1593.650483][T30365] batman_adv: batadv0: Not using interface ipvlan450 (retrying later): interface not active [ 1593.672077][T30357] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 00:03:02 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011600d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1593.706348][T30377] batman_adv: batadv0: Adding interface: ipvlan340 [ 1593.720941][T30377] batman_adv: batadv0: The MTU of interface ipvlan340 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. 00:03:02 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e10000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1593.809562][T30377] batman_adv: batadv0: Not using interface ipvlan340 (retrying later): interface not active [ 1593.844567][T30384] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 00:03:02 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110a0d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1593.980246][T30393] batman_adv: batadv0: Adding interface: ipvlan714 [ 1593.986791][T30393] batman_adv: batadv0: The MTU of interface ipvlan714 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. [ 1594.042564][T30393] batman_adv: batadv0: Not using interface ipvlan714 (retrying later): interface not active [ 1594.072681][T30396] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1594.106667][T30396] batman_adv: batadv0: Removing interface: ipvlan714 [ 1594.152008][T30409] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1594.225932][T30410] batman_adv: batadv0: Adding interface: ipvlan451 [ 1594.233200][T30410] batman_adv: batadv0: The MTU of interface ipvlan451 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. [ 1594.261548][T30410] batman_adv: batadv0: Not using interface ipvlan451 (retrying later): interface not active [ 1594.275419][T30421] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1594.328890][T30424] batman_adv: batadv0: Adding interface: ipvlan341 [ 1594.336484][T30424] batman_adv: batadv0: The MTU of interface ipvlan341 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. [ 1594.362849][T30424] batman_adv: batadv0: Not using interface ipvlan341 (retrying later): interface not active [ 1594.375826][T30384] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1594.445121][T30440] batman_adv: batadv0: Adding interface: ipvlan714 [ 1594.451752][T30440] batman_adv: batadv0: The MTU of interface ipvlan714 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. [ 1594.478750][T30440] batman_adv: batadv0: Not using interface ipvlan714 (retrying later): interface not active 00:03:03 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e60000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1594.506720][T30413] batman_adv: batadv0: Adding interface: ipvlan452 [ 1594.513379][T30413] batman_adv: batadv0: The MTU of interface ipvlan452 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. [ 1594.569408][T30413] batman_adv: batadv0: Not using interface ipvlan452 (retrying later): interface not active [ 1594.604554][T30455] batman_adv: batadv0: Adding interface: ipvlan342 00:03:03 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011680d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1594.619061][T30455] batman_adv: batadv0: The MTU of interface ipvlan342 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. [ 1594.653150][T30455] batman_adv: batadv0: Not using interface ipvlan342 (retrying later): interface not active 00:03:03 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616ef0000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:03 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d027a00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:03 executing program 1: syz_emit_ethernet(0x5e, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "03ce02", 0x28, 0x3a, 0x0, @remote, @mcast2={0xff, 0x5, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, {[], @ndisc_redir={0x89, 0x0, 0x0, [], @empty, @remote}}}}}}, 0x0) 00:03:03 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110c0d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:03 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d039f00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1594.886082][T30472] batman_adv: batadv0: Adding interface: ipvlan453 [ 1594.917072][T30472] batman_adv: batadv0: The MTU of interface ipvlan453 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. 00:03:04 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110a0d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1594.987112][T30472] batman_adv: batadv0: Not using interface ipvlan453 (retrying later): interface not active 00:03:04 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00030400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1595.126731][T30485] batman_adv: batadv0: Adding interface: ipvlan47 [ 1595.149614][T30485] batman_adv: batadv0: The MTU of interface ipvlan47 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. [ 1595.207064][T30485] batman_adv: batadv0: Not using interface ipvlan47 (retrying later): interface not active [ 1595.323220][T30488] batman_adv: batadv0: Removing interface: ipvlan47 [ 1595.430349][T30487] batman_adv: batadv0: Adding interface: ipvlan343 [ 1595.446031][T30487] batman_adv: batadv0: The MTU of interface ipvlan343 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. [ 1595.483400][T30487] batman_adv: batadv0: Not using interface ipvlan343 (retrying later): interface not active [ 1595.533369][T30490] batman_adv: batadv0: Adding interface: ipvlan715 [ 1595.550371][T30490] batman_adv: batadv0: The MTU of interface ipvlan715 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. [ 1595.588193][T30490] batman_adv: batadv0: Not using interface ipvlan715 (retrying later): interface not active [ 1595.607510][T30498] batman_adv: batadv0: Removing interface: ipvlan715 [ 1595.726073][T30501] batman_adv: batadv0: Adding interface: ipvlan454 [ 1595.742774][T30501] batman_adv: batadv0: The MTU of interface ipvlan454 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. [ 1595.774741][T30501] batman_adv: batadv0: Not using interface ipvlan454 (retrying later): interface not active [ 1595.812097][T30507] batman_adv: batadv0: Adding interface: ipvlan160 00:03:04 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000116c0d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1595.818643][T30507] batman_adv: batadv0: The MTU of interface ipvlan160 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. [ 1595.879327][T30507] batman_adv: batadv0: Not using interface ipvlan160 (retrying later): interface not active 00:03:05 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011680d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:05 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00050400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:05 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110e0d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1596.156126][T30490] batman_adv: batadv0: Adding interface: ipvlan715 [ 1596.183234][T30490] batman_adv: batadv0: The MTU of interface ipvlan715 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. [ 1596.242991][T30490] batman_adv: batadv0: Not using interface ipvlan715 (retrying later): interface not active [ 1596.311530][T30550] batman_adv: batadv0: Adding interface: ipvlan455 [ 1596.318477][T30550] batman_adv: batadv0: The MTU of interface ipvlan455 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. [ 1596.347121][T30550] batman_adv: batadv0: Not using interface ipvlan455 (retrying later): interface not active 00:03:05 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00060400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1596.483002][T30563] batman_adv: batadv0: Adding interface: ipvlan161 [ 1596.495062][T30563] batman_adv: batadv0: The MTU of interface ipvlan161 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. [ 1596.547648][T30563] batman_adv: batadv0: Not using interface ipvlan161 (retrying later): interface not active 00:03:05 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000090000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1596.621585][T30575] batman_adv: batadv0: Adding interface: ipvlan344 [ 1596.632717][T30575] batman_adv: batadv0: The MTU of interface ipvlan344 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. [ 1596.687771][T30575] batman_adv: batadv0: Not using interface ipvlan344 (retrying later): interface not active 00:03:05 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d027a00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1596.755722][T30554] batman_adv: batadv0: Adding interface: ipvlan456 [ 1596.772657][T30554] batman_adv: batadv0: The MTU of interface ipvlan456 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. [ 1596.836878][T30554] batman_adv: batadv0: Not using interface ipvlan456 (retrying later): interface not active 00:03:05 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d00a000"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:06 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011740d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:06 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00070400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1597.006912][T30601] batman_adv: batadv0: Adding interface: ipvlan345 [ 1597.033183][T30601] batman_adv: batadv0: The MTU of interface ipvlan345 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. [ 1597.104781][T30601] batman_adv: batadv0: Not using interface ipvlan345 (retrying later): interface not active 00:03:06 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011100d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1597.222622][T30605] batman_adv: batadv0: Adding interface: ipvlan47 [ 1597.229078][T30605] batman_adv: batadv0: The MTU of interface ipvlan47 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. [ 1597.290346][T30605] batman_adv: batadv0: Not using interface ipvlan47 (retrying later): interface not active [ 1597.333011][T30609] batman_adv: batadv0: Removing interface: ipvlan47 00:03:06 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000090000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:06 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00090400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1597.542717][T30619] batman_adv: batadv0: Adding interface: ipvlan716 [ 1597.562622][T30619] batman_adv: batadv0: The MTU of interface ipvlan716 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. [ 1597.659144][T30619] batman_adv: batadv0: Not using interface ipvlan716 (retrying later): interface not active [ 1597.693049][T30622] batman_adv: batadv0: Adding interface: ipvlan457 [ 1597.709340][T30622] batman_adv: batadv0: The MTU of interface ipvlan457 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. [ 1597.769193][T30622] batman_adv: batadv0: Not using interface ipvlan457 (retrying later): interface not active [ 1597.801950][T30623] batman_adv: batadv0: Removing interface: ipvlan716 [ 1597.875144][T30635] batman_adv: batadv0: Adding interface: ipvlan346 [ 1597.890015][T30635] batman_adv: batadv0: The MTU of interface ipvlan346 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. [ 1597.949515][T30635] batman_adv: batadv0: Not using interface ipvlan346 (retrying later): interface not active 00:03:07 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e65090400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1598.118118][T30669] batman_adv: batadv0: Adding interface: ipvlan458 [ 1598.126406][T30669] batman_adv: batadv0: The MTU of interface ipvlan458 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. [ 1598.153859][T30669] batman_adv: batadv0: Not using interface ipvlan458 (retrying later): interface not active 00:03:07 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000117a0d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:07 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0, 0xa000000}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) [ 1598.258157][T30684] batman_adv: batadv0: Adding interface: ipvlan347 [ 1598.277781][T30684] batman_adv: batadv0: The MTU of interface ipvlan347 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1598.334826][T30684] batman_adv: batadv0: Not using interface ipvlan347 (retrying later): interface not active [ 1598.359860][T30693] __nla_validate_parse: 26 callbacks suppressed [ 1598.359895][T30693] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:03:07 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e000a0400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:07 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011480d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:07 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0xc216, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1598.521950][T30697] batman_adv: batadv0: Adding interface: ipvlan459 [ 1598.544261][T30697] batman_adv: batadv0: The MTU of interface ipvlan459 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1598.600226][T30697] batman_adv: batadv0: Not using interface ipvlan459 (retrying later): interface not active 00:03:07 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d01a000"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:07 executing program 4: syz_emit_ethernet(0x5e, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "03ce02", 0x28, 0x3a, 0x0, @remote, @mcast2={0xff, 0x5}, {[], @ndisc_redir={0x89, 0x0, 0x0, [], @empty, @remote}}}}}}, 0x0) [ 1598.674474][T30709] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 00:03:07 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e000c0400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:07 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d00a000"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1598.795332][T30711] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1598.895410][T30713] batman_adv: batadv0: Adding interface: ipvlan348 [ 1598.917357][T30713] batman_adv: batadv0: The MTU of interface ipvlan348 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1598.981383][T30713] batman_adv: batadv0: Not using interface ipvlan348 (retrying later): interface not active [ 1599.008692][T30693] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1599.055030][T30715] batman_adv: batadv0: Adding interface: ipvlan162 [ 1599.063706][T30715] batman_adv: batadv0: The MTU of interface ipvlan162 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1599.089960][T30715] batman_adv: batadv0: Not using interface ipvlan162 (retrying later): interface not active [ 1599.143943][T30699] batman_adv: batadv0: Adding interface: ipvlan460 [ 1599.166359][T30699] batman_adv: batadv0: The MTU of interface ipvlan460 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1599.235195][T30699] batman_adv: batadv0: Not using interface ipvlan460 (retrying later): interface not active [ 1599.268600][T30718] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.1'. 00:03:08 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110012001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1599.302467][T30718] batman_adv: batadv0: Removing interface: ipvlan162 [ 1599.367748][T30728] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 00:03:08 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e000e0400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1599.479545][T30734] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1599.562591][T30733] batman_adv: batadv0: Adding interface: ipvlan716 [ 1599.579289][T30733] batman_adv: batadv0: The MTU of interface ipvlan716 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. [ 1599.629106][T30733] batman_adv: batadv0: Not using interface ipvlan716 (retrying later): interface not active [ 1599.656654][T30739] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1599.673144][T30739] batman_adv: batadv0: Removing interface: ipvlan716 [ 1599.704503][T30740] batman_adv: batadv0: Adding interface: ipvlan47 [ 1599.729024][T30740] batman_adv: batadv0: The MTU of interface ipvlan47 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. [ 1599.779667][T30740] batman_adv: batadv0: Not using interface ipvlan47 (retrying later): interface not active [ 1599.792148][T30743] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1599.808120][T30743] batman_adv: batadv0: Removing interface: ipvlan47 [ 1599.836789][T30709] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1599.859421][T30716] batman_adv: batadv0: Adding interface: ipvlan349 [ 1599.865965][T30716] batman_adv: batadv0: The MTU of interface ipvlan349 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. 00:03:09 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000114c0d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1599.929161][T30716] batman_adv: batadv0: Not using interface ipvlan349 (retrying later): interface not active [ 1600.039822][T30761] batman_adv: batadv0: Adding interface: ipvlan461 [ 1600.046360][T30761] batman_adv: batadv0: The MTU of interface ipvlan461 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1600.092675][T30761] batman_adv: batadv0: Not using interface ipvlan461 (retrying later): interface not active 00:03:09 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e000f0400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1600.204036][T30733] batman_adv: batadv0: Adding interface: ipvlan716 [ 1600.210847][T30733] batman_adv: batadv0: The MTU of interface ipvlan716 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1600.238098][T30733] batman_adv: batadv0: Not using interface ipvlan716 (retrying later): interface not active [ 1600.310664][T30800] batman_adv: batadv0: Adding interface: ipvlan350 [ 1600.317205][T30800] batman_adv: batadv0: The MTU of interface ipvlan350 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1600.378941][T30800] batman_adv: batadv0: Not using interface ipvlan350 (retrying later): interface not active [ 1600.424417][T30806] batman_adv: batadv0: Adding interface: ipvlan462 [ 1600.438971][T30806] batman_adv: batadv0: The MTU of interface ipvlan462 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:03:09 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110020001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1600.466884][T30806] batman_adv: batadv0: Not using interface ipvlan462 (retrying later): interface not active 00:03:09 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0xc216, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:09 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00400400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1600.561445][T30803] batman_adv: batadv0: Adding interface: ipvlan351 [ 1600.596769][T30803] batman_adv: batadv0: The MTU of interface ipvlan351 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1600.658445][T30803] batman_adv: batadv0: Not using interface ipvlan351 (retrying later): interface not active 00:03:09 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000117a0d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:09 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d02a000"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:09 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011600d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:09 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e65580400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1600.865120][T30829] batman_adv: batadv0: Adding interface: ipvlan463 [ 1600.879952][T30829] batman_adv: batadv0: The MTU of interface ipvlan463 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. [ 1600.942499][T30829] batman_adv: batadv0: Not using interface ipvlan463 (retrying later): interface not active [ 1601.043384][T30836] batman_adv: batadv0: Adding interface: ipvlan162 [ 1601.066843][T30836] batman_adv: batadv0: The MTU of interface ipvlan162 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. [ 1601.131324][T30836] batman_adv: batadv0: Not using interface ipvlan162 (retrying later): interface not active [ 1601.165410][T30839] batman_adv: batadv0: Removing interface: ipvlan162 [ 1601.392218][T30849] batman_adv: batadv0: Adding interface: ipvlan717 [ 1601.399276][T30849] batman_adv: batadv0: The MTU of interface ipvlan717 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. [ 1601.426843][T30849] batman_adv: batadv0: Not using interface ipvlan717 (retrying later): interface not active [ 1601.462386][T30852] batman_adv: batadv0: Adding interface: ipvlan47 [ 1601.469164][T30852] batman_adv: batadv0: The MTU of interface ipvlan47 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. [ 1601.531972][T30852] batman_adv: batadv0: Not using interface ipvlan47 (retrying later): interface not active 00:03:10 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0x0, 0x0, 0x900e}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) [ 1601.572356][T30854] batman_adv: batadv0: Adding interface: ipvlan352 [ 1601.589056][T30854] batman_adv: batadv0: The MTU of interface ipvlan352 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. [ 1601.637029][T30854] batman_adv: batadv0: Not using interface ipvlan352 (retrying later): interface not active [ 1601.663202][T30855] batman_adv: batadv0: Removing interface: ipvlan717 00:03:10 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110040001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:10 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00600400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:10 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110020001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1601.910984][T30857] batman_adv: batadv0: Adding interface: ipvlan353 [ 1601.917630][T30857] batman_adv: batadv0: The MTU of interface ipvlan353 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. 00:03:11 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011680d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1601.959175][T30857] batman_adv: batadv0: Not using interface ipvlan353 (retrying later): interface not active 00:03:11 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e09650400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1602.151130][T30921] batman_adv: batadv0: Adding interface: ipvlan464 [ 1602.157891][T30921] batman_adv: batadv0: The MTU of interface ipvlan464 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. [ 1602.199645][T30921] batman_adv: batadv0: Not using interface ipvlan464 (retrying later): interface not active [ 1602.229878][T30922] batman_adv: batadv0: Adding interface: ipvlan48 [ 1602.236324][T30922] batman_adv: batadv0: The MTU of interface ipvlan48 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. [ 1602.328800][T30922] batman_adv: batadv0: Not using interface ipvlan48 (retrying later): interface not active 00:03:11 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0xc216, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:11 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x6800, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1602.447339][T30941] batman_adv: batadv0: Adding interface: ipvlan354 [ 1602.490297][T30941] batman_adv: batadv0: The MTU of interface ipvlan354 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. [ 1602.518201][T30941] batman_adv: batadv0: Not using interface ipvlan354 (retrying later): interface not active 00:03:11 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d03a000"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:11 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e58650400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:11 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011004a001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1602.616668][T30941] batman_adv: batadv0: Adding interface: ipvlan355 [ 1602.635670][T30941] batman_adv: batadv0: The MTU of interface ipvlan355 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. [ 1602.691961][T30941] batman_adv: batadv0: Not using interface ipvlan355 (retrying later): interface not active 00:03:11 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000116c0d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1602.816122][T30961] batman_adv: batadv0: Adding interface: ipvlan162 [ 1602.826939][T30961] batman_adv: batadv0: The MTU of interface ipvlan162 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. [ 1602.856201][T30961] batman_adv: batadv0: Not using interface ipvlan162 (retrying later): interface not active [ 1602.888485][T30962] batman_adv: batadv0: Adding interface: ipvlan49 [ 1602.918851][T30962] batman_adv: batadv0: The MTU of interface ipvlan49 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. [ 1602.947893][T30962] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active [ 1602.982966][T30965] batman_adv: batadv0: Removing interface: ipvlan162 [ 1603.125305][T30970] batman_adv: batadv0: Removing interface: ipvlan49 [ 1603.248515][T30975] batman_adv: batadv0: Adding interface: ipvlan717 [ 1603.283406][T30975] batman_adv: batadv0: The MTU of interface ipvlan717 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. [ 1603.338752][T30975] batman_adv: batadv0: Not using interface ipvlan717 (retrying later): interface not active [ 1603.381793][T30980] batman_adv: batadv0: Adding interface: ipvlan465 [ 1603.408775][T30980] batman_adv: batadv0: The MTU of interface ipvlan465 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. [ 1603.436598][T30980] batman_adv: batadv0: Not using interface ipvlan465 (retrying later): interface not active [ 1603.449387][T30983] __nla_validate_parse: 26 callbacks suppressed [ 1603.449396][T30983] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1603.473596][T30983] batman_adv: batadv0: Removing interface: ipvlan717 [ 1603.503865][T30987] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1603.558139][T30990] batman_adv: batadv0: Adding interface: ipvlan356 [ 1603.566968][T30990] batman_adv: batadv0: The MTU of interface ipvlan356 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. [ 1603.595174][T30990] batman_adv: batadv0: Not using interface ipvlan356 (retrying later): interface not active 00:03:12 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00810400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1603.635958][T30980] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1603.646003][T30975] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1603.708003][T31032] batman_adv: batadv0: Adding interface: ipvlan466 [ 1603.718597][T31032] batman_adv: batadv0: The MTU of interface ipvlan466 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. [ 1603.747725][T31032] batman_adv: batadv0: Not using interface ipvlan466 (retrying later): interface not active 00:03:12 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110068001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1603.809385][T30990] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1603.861740][T30994] batman_adv: batadv0: Adding interface: ipvlan357 [ 1603.877373][T30994] batman_adv: batadv0: The MTU of interface ipvlan357 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. 00:03:13 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011740d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1603.940287][T30994] batman_adv: batadv0: Not using interface ipvlan357 (retrying later): interface not active 00:03:13 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00f00400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1604.014655][T31052] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:03:13 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x6800, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:13 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d007800"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1604.107972][T31056] batman_adv: batadv0: Adding interface: ipvlan467 [ 1604.116618][T31056] batman_adv: batadv0: The MTU of interface ipvlan467 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. [ 1604.161160][T31056] batman_adv: batadv0: Not using interface ipvlan467 (retrying later): interface not active 00:03:13 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d00a100"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1604.218814][T31059] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 00:03:13 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616efffe0400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1604.414563][T31068] batman_adv: batadv0: Adding interface: ipvlan358 [ 1604.440083][T31068] batman_adv: batadv0: The MTU of interface ipvlan358 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. [ 1604.531298][T31068] batman_adv: batadv0: Not using interface ipvlan358 (retrying later): interface not active [ 1604.563878][T31072] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1604.655568][T31075] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1604.712704][T31052] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1604.756846][T31076] batman_adv: batadv0: Adding interface: ipvlan162 [ 1604.770614][T31076] batman_adv: batadv0: The MTU of interface ipvlan162 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. [ 1604.798491][T31076] batman_adv: batadv0: Not using interface ipvlan162 (retrying later): interface not active [ 1604.836524][T31077] batman_adv: batadv0: Adding interface: ipvlan49 [ 1604.858679][T31077] batman_adv: batadv0: The MTU of interface ipvlan49 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. [ 1604.898685][T31077] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active [ 1604.935513][T31057] batman_adv: batadv0: Adding interface: ipvlan468 [ 1604.958713][T31057] batman_adv: batadv0: The MTU of interface ipvlan468 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. 00:03:14 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110010001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1605.007283][T31057] batman_adv: batadv0: Not using interface ipvlan468 (retrying later): interface not active [ 1605.036792][T31083] batman_adv: batadv0: Removing interface: ipvlan162 [ 1605.111390][T31082] batman_adv: batadv0: Removing interface: ipvlan49 [ 1605.228086][T31091] batman_adv: batadv0: Adding interface: ipvlan717 [ 1605.241280][T31091] batman_adv: batadv0: The MTU of interface ipvlan717 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. [ 1605.270666][T31091] batman_adv: batadv0: Not using interface ipvlan717 (retrying later): interface not active [ 1605.289398][T31094] batman_adv: batadv0: Removing interface: ipvlan717 00:03:14 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e0fff0400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1605.339607][T31100] batman_adv: batadv0: Adding interface: ipvlan359 [ 1605.357952][T31100] batman_adv: batadv0: The MTU of interface ipvlan359 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. [ 1605.405275][T31100] batman_adv: batadv0: Not using interface ipvlan359 (retrying later): interface not active 00:03:14 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000117a0d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1605.553780][T31127] batman_adv: batadv0: Adding interface: ipvlan469 [ 1605.570166][T31127] batman_adv: batadv0: The MTU of interface ipvlan469 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. [ 1605.631798][T31127] batman_adv: batadv0: Not using interface ipvlan469 (retrying later): interface not active [ 1605.689138][T31134] batman_adv: batadv0: Adding interface: ipvlan717 [ 1605.695861][T31134] batman_adv: batadv0: The MTU of interface ipvlan717 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. [ 1605.723488][T31134] batman_adv: batadv0: Not using interface ipvlan717 (retrying later): interface not active [ 1605.764803][T31135] batman_adv: batadv0: Adding interface: ipvlan470 [ 1605.788544][T31135] batman_adv: batadv0: The MTU of interface ipvlan470 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. [ 1605.838542][T31135] batman_adv: batadv0: Not using interface ipvlan470 (retrying later): interface not active [ 1605.897106][T31164] batman_adv: batadv0: Adding interface: ipvlan360 [ 1605.904288][T31164] batman_adv: batadv0: The MTU of interface ipvlan360 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. [ 1605.932917][T31164] batman_adv: batadv0: Not using interface ipvlan360 (retrying later): interface not active 00:03:15 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110012001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:15 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x6c00, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:15 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616efeff0400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1606.036512][T31167] batman_adv: batadv0: Adding interface: ipvlan361 [ 1606.043865][T31167] batman_adv: batadv0: The MTU of interface ipvlan361 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. [ 1606.113251][T31167] batman_adv: batadv0: Not using interface ipvlan361 (retrying later): interface not active 00:03:15 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d01a100"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:15 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x6558, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:15 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110012003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1606.302387][T31193] batman_adv: batadv0: Adding interface: ipvlan162 [ 1606.326070][T31193] batman_adv: batadv0: The MTU of interface ipvlan162 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. [ 1606.360715][T31193] batman_adv: batadv0: Not using interface ipvlan162 (retrying later): interface not active [ 1606.420392][T31184] batman_adv: batadv0: Adding interface: ipvlan471 [ 1606.438316][T31184] batman_adv: batadv0: The MTU of interface ipvlan471 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. [ 1606.517464][T31184] batman_adv: batadv0: Not using interface ipvlan471 (retrying later): interface not active [ 1606.551526][T31198] batman_adv: batadv0: Removing interface: ipvlan162 00:03:15 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e000000a0028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1606.755824][T31215] batman_adv: batadv0: Adding interface: ipvlan718 [ 1606.770965][T31215] batman_adv: batadv0: The MTU of interface ipvlan718 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. [ 1606.827680][T31215] batman_adv: batadv0: Not using interface ipvlan718 (retrying later): interface not active [ 1606.904506][T31214] batman_adv: batadv0: Adding interface: ipvlan49 [ 1606.913790][T31214] batman_adv: batadv0: The MTU of interface ipvlan49 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. [ 1606.949980][T31214] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active [ 1606.993464][T31216] batman_adv: batadv0: Adding interface: ipvlan362 [ 1607.008443][T31216] batman_adv: batadv0: The MTU of interface ipvlan362 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. [ 1607.060250][T31216] batman_adv: batadv0: Not using interface ipvlan362 (retrying later): interface not active [ 1607.089402][T31218] batman_adv: batadv0: Removing interface: ipvlan49 [ 1607.146240][T31217] batman_adv: batadv0: Removing interface: ipvlan718 [ 1607.214039][T31190] batman_adv: batadv0: Adding interface: ipvlan472 [ 1607.229161][T31190] batman_adv: batadv0: The MTU of interface ipvlan472 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. [ 1607.256647][T31190] batman_adv: batadv0: Not using interface ipvlan472 (retrying later): interface not active 00:03:16 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011004a001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:16 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e000000c0028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1607.382573][T31219] batman_adv: batadv0: Adding interface: ipvlan363 [ 1607.405793][T31219] batman_adv: batadv0: The MTU of interface ipvlan363 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. [ 1607.462700][T31219] batman_adv: batadv0: Not using interface ipvlan363 (retrying later): interface not active 00:03:16 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110020003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:16 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00100000028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1607.676173][T31282] batman_adv: batadv0: Adding interface: ipvlan473 [ 1607.686035][T31282] batman_adv: batadv0: The MTU of interface ipvlan473 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. [ 1607.732178][T31282] batman_adv: batadv0: Not using interface ipvlan473 (retrying later): interface not active 00:03:16 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d037700"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1607.794906][T31290] batman_adv: batadv0: Adding interface: ipvlan364 [ 1607.812028][T31290] batman_adv: batadv0: The MTU of interface ipvlan364 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. [ 1607.841047][T31290] batman_adv: batadv0: Not using interface ipvlan364 (retrying later): interface not active 00:03:17 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110068001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:17 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d02a100"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:17 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d037700"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:17 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00a00000028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1608.062414][T31308] batman_adv: batadv0: Adding interface: ipvlan365 [ 1608.083279][T31308] batman_adv: batadv0: The MTU of interface ipvlan365 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. [ 1608.157521][T31308] batman_adv: batadv0: Not using interface ipvlan365 (retrying later): interface not active 00:03:17 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110040003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1608.300049][T31309] batman_adv: batadv0: Adding interface: ipvlan162 [ 1608.335665][T31309] batman_adv: batadv0: The MTU of interface ipvlan162 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. [ 1608.394378][T31309] batman_adv: batadv0: Not using interface ipvlan162 (retrying later): interface not active [ 1608.425000][T31312] batman_adv: batadv0: Removing interface: ipvlan162 [ 1608.469200][T31322] __nla_validate_parse: 30 callbacks suppressed [ 1608.469210][T31322] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1608.518650][T31319] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1608.566980][T31323] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1608.623075][T31324] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 00:03:17 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00c00000028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1608.706601][T31325] batman_adv: batadv0: Adding interface: ipvlan474 [ 1608.720125][T31325] batman_adv: batadv0: The MTU of interface ipvlan474 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. [ 1608.748604][T31325] batman_adv: batadv0: Not using interface ipvlan474 (retrying later): interface not active [ 1608.783649][T31327] batman_adv: batadv0: Adding interface: ipvlan718 [ 1608.790286][T31327] batman_adv: batadv0: The MTU of interface ipvlan718 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. [ 1608.819600][T31327] batman_adv: batadv0: Not using interface ipvlan718 (retrying later): interface not active [ 1608.846439][T31329] batman_adv: batadv0: Adding interface: ipvlan49 [ 1608.853009][T31329] batman_adv: batadv0: The MTU of interface ipvlan49 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. [ 1608.880586][T31329] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active [ 1608.904925][T31331] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1608.923464][T31331] batman_adv: batadv0: Removing interface: ipvlan718 [ 1608.973243][T31335] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1608.995416][T31335] batman_adv: batadv0: Removing interface: ipvlan49 [ 1609.039054][T31340] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1609.095084][T31349] batman_adv: batadv0: Adding interface: ipvlan366 [ 1609.101738][T31349] batman_adv: batadv0: The MTU of interface ipvlan366 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. [ 1609.127755][T31349] batman_adv: batadv0: Not using interface ipvlan366 (retrying later): interface not active [ 1609.141023][T31325] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1609.152135][T31366] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 00:03:18 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000300028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1609.241781][T31367] batman_adv: batadv0: Adding interface: ipvlan475 [ 1609.258388][T31367] batman_adv: batadv0: The MTU of interface ipvlan475 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. 00:03:18 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d0400"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1609.308283][T31367] batman_adv: batadv0: Not using interface ipvlan475 (retrying later): interface not active [ 1609.329961][T31327] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1609.472245][T31390] batman_adv: batadv0: Adding interface: ipvlan367 00:03:18 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110049003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1609.499212][T31390] batman_adv: batadv0: The MTU of interface ipvlan367 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. [ 1609.541826][T31390] batman_adv: batadv0: Not using interface ipvlan367 (retrying later): interface not active 00:03:18 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00020400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1609.671824][T31405] batman_adv: batadv0: Adding interface: ipvlan476 [ 1609.694554][T31405] batman_adv: batadv0: The MTU of interface ipvlan476 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. 00:03:18 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d027700"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1609.768256][T31405] batman_adv: batadv0: Not using interface ipvlan476 (retrying later): interface not active [ 1609.802403][T31406] batman_adv: batadv0: Removing interface: ipvlan476 00:03:18 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d03a100"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:19 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00030400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1610.038118][T31419] batman_adv: batadv0: Adding interface: ipvlan368 [ 1610.054103][T31419] batman_adv: batadv0: The MTU of interface ipvlan368 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. 00:03:19 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d037700"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1610.121872][T31419] batman_adv: batadv0: Not using interface ipvlan368 (retrying later): interface not active [ 1610.233239][T31423] batman_adv: batadv0: Removing interface: ipvlan368 [ 1610.349419][T31431] batman_adv: batadv0: Adding interface: ipvlan162 [ 1610.381264][T31431] batman_adv: batadv0: The MTU of interface ipvlan162 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. [ 1610.438237][T31431] batman_adv: batadv0: Not using interface ipvlan162 (retrying later): interface not active [ 1610.481649][T31434] batman_adv: batadv0: Removing interface: ipvlan162 [ 1610.590724][T31442] batman_adv: batadv0: Adding interface: ipvlan718 [ 1610.597266][T31442] batman_adv: batadv0: The MTU of interface ipvlan718 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. [ 1610.631426][T31442] batman_adv: batadv0: Not using interface ipvlan718 (retrying later): interface not active 00:03:19 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00040400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1610.693570][T31446] batman_adv: batadv0: Removing interface: ipvlan718 [ 1610.788928][T31453] batman_adv: batadv0: Adding interface: ipvlan476 [ 1610.795930][T31453] batman_adv: batadv0: The MTU of interface ipvlan476 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. [ 1610.826166][T31453] batman_adv: batadv0: Not using interface ipvlan476 (retrying later): interface not active [ 1610.875180][T31464] batman_adv: batadv0: Adding interface: ipvlan49 [ 1610.898296][T31464] batman_adv: batadv0: The MTU of interface ipvlan49 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. [ 1610.948289][T31464] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active [ 1610.977683][T31465] batman_adv: batadv0: Removing interface: ipvlan49 [ 1611.102739][T31472] batman_adv: batadv0: Adding interface: ipvlan368 [ 1611.112663][T31472] batman_adv: batadv0: The MTU of interface ipvlan368 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. 00:03:20 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d021300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1611.144880][T31472] batman_adv: batadv0: Not using interface ipvlan368 (retrying later): interface not active 00:03:20 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00050400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1611.340468][T31500] batman_adv: batadv0: Adding interface: ipvlan718 [ 1611.356289][T31500] batman_adv: batadv0: The MTU of interface ipvlan718 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. [ 1611.400776][T31500] batman_adv: batadv0: Not using interface ipvlan718 (retrying later): interface not active [ 1611.466163][T31520] batman_adv: batadv0: Adding interface: ipvlan477 [ 1611.481177][T31520] batman_adv: batadv0: The MTU of interface ipvlan477 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. [ 1611.528282][T31520] batman_adv: batadv0: Not using interface ipvlan477 (retrying later): interface not active 00:03:20 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00060400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1611.599478][T31526] batman_adv: batadv0: Removing interface: ipvlan477 00:03:20 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110010003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:20 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d0400"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:20 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d00a200"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:20 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00070400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:20 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d007700"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:21 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00090400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1612.135888][T31557] batman_adv: batadv0: Adding interface: ipvlan162 [ 1612.160852][T31557] batman_adv: batadv0: The MTU of interface ipvlan162 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. [ 1612.223699][T31557] batman_adv: batadv0: Not using interface ipvlan162 (retrying later): interface not active [ 1612.297601][T31559] batman_adv: batadv0: Adding interface: ipvlan369 [ 1612.320502][T31559] batman_adv: batadv0: The MTU of interface ipvlan369 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. [ 1612.362244][T31559] batman_adv: batadv0: Not using interface ipvlan369 (retrying later): interface not active [ 1612.400583][T31560] batman_adv: batadv0: Adding interface: ipvlan719 [ 1612.407257][T31560] batman_adv: batadv0: The MTU of interface ipvlan719 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. [ 1612.458961][T31560] batman_adv: batadv0: Not using interface ipvlan719 (retrying later): interface not active [ 1612.485526][T31565] batman_adv: batadv0: Adding interface: ipvlan49 [ 1612.508072][T31565] batman_adv: batadv0: The MTU of interface ipvlan49 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. [ 1612.538270][T31565] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active [ 1612.559405][T31566] batman_adv: batadv0: Removing interface: ipvlan719 [ 1612.624876][T31547] batman_adv: batadv0: Removing interface: ipvlan162 [ 1612.660529][T31570] batman_adv: batadv0: Removing interface: ipvlan49 [ 1612.730859][T31526] batman_adv: batadv0: Adding interface: ipvlan477 [ 1612.737798][T31526] batman_adv: batadv0: The MTU of interface ipvlan477 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. 00:03:21 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d031300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1612.771734][T31526] batman_adv: batadv0: Not using interface ipvlan477 (retrying later): interface not active 00:03:21 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e000a0400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:21 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110012003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1613.062146][T31625] batman_adv: batadv0: Adding interface: ipvlan478 [ 1613.075720][T31625] batman_adv: batadv0: The MTU of interface ipvlan478 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. [ 1613.124960][T31625] batman_adv: batadv0: Not using interface ipvlan478 (retrying later): interface not active 00:03:22 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e000c0400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1613.194977][T31633] batman_adv: batadv0: Removing interface: ipvlan478 [ 1613.313275][T31641] batman_adv: batadv0: Adding interface: ipvlan370 [ 1613.337980][T31641] batman_adv: batadv0: The MTU of interface ipvlan370 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. [ 1613.387988][T31641] batman_adv: batadv0: Not using interface ipvlan370 (retrying later): interface not active 00:03:22 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e000e0400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:22 executing program 1: syz_emit_ethernet(0x5e, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "03ce02", 0x28, 0x3a, 0x0, @remote, @mcast2={0xff, 0xb}, {[], @ndisc_redir={0x89, 0x0, 0x0, [], @empty, @remote}}}}}}, 0x0) [ 1613.518012][T31641] __nla_validate_parse: 30 callbacks suppressed [ 1613.518022][T31641] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 00:03:22 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d01a200"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:22 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d00a200"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1613.580116][T31642] batman_adv: batadv0: Adding interface: ipvlan371 [ 1613.586656][T31642] batman_adv: batadv0: The MTU of interface ipvlan371 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. 00:03:22 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x4c00, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1613.713676][T31642] batman_adv: batadv0: Not using interface ipvlan371 (retrying later): interface not active 00:03:22 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="44000000110049003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:22 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e000f0400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1613.794484][T31625] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1613.866813][T31668] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1613.972249][T31669] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1614.090243][T31673] batman_adv: batadv0: Adding interface: ipvlan719 [ 1614.127978][T31673] batman_adv: batadv0: The MTU of interface ipvlan719 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. [ 1614.178854][T31673] batman_adv: batadv0: Not using interface ipvlan719 (retrying later): interface not active [ 1614.235598][T31674] batman_adv: batadv0: Adding interface: ipvlan49 [ 1614.252427][T31674] batman_adv: batadv0: The MTU of interface ipvlan49 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. [ 1614.287426][T31674] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active [ 1614.305067][T31677] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1614.336910][T31679] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1614.371723][T31679] batman_adv: batadv0: Removing interface: ipvlan49 [ 1614.407823][T31678] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1614.426573][T31678] batman_adv: batadv0: Removing interface: ipvlan719 00:03:23 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d041300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1614.532907][T31680] batman_adv: batadv0: Adding interface: ipvlan162 [ 1614.559185][T31680] batman_adv: batadv0: The MTU of interface ipvlan162 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. [ 1614.639088][T31680] batman_adv: batadv0: Not using interface ipvlan162 (retrying later): interface not active [ 1614.660012][T31687] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1614.682461][T31687] batman_adv: batadv0: Removing interface: ipvlan162 00:03:23 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00100400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1614.825069][T31691] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1614.922307][T31696] batman_adv: batadv0: Adding interface: ipvlan372 [ 1614.928986][T31696] batman_adv: batadv0: The MTU of interface ipvlan372 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. [ 1614.955621][T31696] batman_adv: batadv0: Not using interface ipvlan372 (retrying later): interface not active [ 1614.969213][T31701] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1614.986252][T31701] batman_adv: batadv0: Removing interface: ipvlan372 [ 1615.114386][T31727] batman_adv: batadv0: Adding interface: ipvlan719 [ 1615.121704][T31727] batman_adv: batadv0: The MTU of interface ipvlan719 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. [ 1615.149392][T31727] batman_adv: batadv0: Not using interface ipvlan719 (retrying later): interface not active [ 1615.172443][T31730] batman_adv: batadv0: Adding interface: ipvlan478 [ 1615.188492][T31730] batman_adv: batadv0: The MTU of interface ipvlan478 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. [ 1615.216912][T31730] batman_adv: batadv0: Not using interface ipvlan478 (retrying later): interface not active [ 1615.237174][T31673] batman_adv: batadv0: Removing interface: ipvlan719 [ 1615.285726][T31733] batman_adv: batadv0: Removing interface: ipvlan478 [ 1615.376380][T31744] batman_adv: batadv0: Adding interface: ipvlan372 [ 1615.396160][T31744] batman_adv: batadv0: The MTU of interface ipvlan372 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. [ 1615.423105][T31744] batman_adv: batadv0: Not using interface ipvlan372 (retrying later): interface not active 00:03:24 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:24 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00600400028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1615.602934][T31791] batman_adv: batadv0: Adding interface: ipvlan478 [ 1615.613000][T31791] batman_adv: batadv0: The MTU of interface ipvlan478 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. [ 1615.688334][T31791] batman_adv: batadv0: Not using interface ipvlan478 (retrying later): interface not active 00:03:24 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000500028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1615.808307][T31802] batman_adv: batadv0: Adding interface: ipvlan49 [ 1615.821275][T31802] batman_adv: batadv0: The MTU of interface ipvlan49 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. [ 1615.858739][T31802] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active [ 1615.892705][T31805] batman_adv: batadv0: Removing interface: ipvlan49 00:03:25 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d02a200"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:25 executing program 1: syz_emit_ethernet(0x5e, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "03ce02", 0x28, 0x3a, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6]}, @mcast2={0xff, 0x5}, {[], @ndisc_redir={0x89, 0x0, 0x0, [], @empty, @remote}}}}}}, 0x0) 00:03:25 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d0400"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:25 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d051300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:25 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000600028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:25 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d007600"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:25 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000700028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1616.366059][T31832] batman_adv: batadv0: Adding interface: ipvlan719 [ 1616.403465][T31832] batman_adv: batadv0: The MTU of interface ipvlan719 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. [ 1616.484653][T31832] batman_adv: batadv0: Not using interface ipvlan719 (retrying later): interface not active [ 1616.552315][T31836] batman_adv: batadv0: Adding interface: ipvlan479 [ 1616.559473][T31836] batman_adv: batadv0: The MTU of interface ipvlan479 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. [ 1616.587607][T31836] batman_adv: batadv0: Not using interface ipvlan479 (retrying later): interface not active [ 1616.644621][T31838] batman_adv: batadv0: Adding interface: ipvlan373 [ 1616.651713][T31838] batman_adv: batadv0: The MTU of interface ipvlan373 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. [ 1616.679318][T31838] batman_adv: batadv0: Not using interface ipvlan373 (retrying later): interface not active [ 1616.701668][T31821] batman_adv: batadv0: Removing interface: ipvlan719 [ 1616.743584][T31843] batman_adv: batadv0: Removing interface: ipvlan479 00:03:25 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x4000, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1616.847570][T31845] batman_adv: batadv0: Removing interface: ipvlan373 [ 1616.950056][T31848] batman_adv: batadv0: Adding interface: ipvlan162 [ 1616.956948][T31848] batman_adv: batadv0: The MTU of interface ipvlan162 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. [ 1617.027768][T31848] batman_adv: batadv0: Not using interface ipvlan162 (retrying later): interface not active [ 1617.056656][T31857] batman_adv: batadv0: Removing interface: ipvlan162 00:03:26 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00002000028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1617.313174][T31896] batman_adv: batadv0: Adding interface: ipvlan373 [ 1617.320111][T31896] batman_adv: batadv0: The MTU of interface ipvlan373 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. [ 1617.348122][T31896] batman_adv: batadv0: Not using interface ipvlan373 (retrying later): interface not active [ 1617.391800][T31897] batman_adv: batadv0: Adding interface: ipvlan479 [ 1617.398399][T31897] batman_adv: batadv0: The MTU of interface ipvlan479 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. [ 1617.425882][T31897] batman_adv: batadv0: Not using interface ipvlan479 (retrying later): interface not active [ 1617.448978][T31899] batman_adv: batadv0: Adding interface: ipvlan49 [ 1617.458293][T31899] batman_adv: batadv0: The MTU of interface ipvlan49 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. [ 1617.486432][T31899] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active [ 1617.506165][T31901] batman_adv: batadv0: Removing interface: ipvlan49 00:03:26 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00004000028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:26 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d03a200"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:26 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d061300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:26 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d002000"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:26 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x11ba, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:26 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000200028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:26 executing program 4: syz_emit_ethernet(0x5e, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "03ce02", 0x28, 0x3a, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @mcast2={0xff, 0x5}, {[], @ndisc_redir={0x89, 0x0, 0x0, [], @empty, @remote}}}}}}, 0x0) 00:03:27 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x2000, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1618.029039][T31955] batman_adv: batadv0: Adding interface: ipvlan480 [ 1618.042189][T31955] batman_adv: batadv0: The MTU of interface ipvlan480 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. [ 1618.075688][T31955] batman_adv: batadv0: Not using interface ipvlan480 (retrying later): interface not active [ 1618.163449][T31957] batman_adv: batadv0: Adding interface: ipvlan719 [ 1618.198011][T31957] batman_adv: batadv0: The MTU of interface ipvlan719 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. [ 1618.268773][T31957] batman_adv: batadv0: Not using interface ipvlan719 (retrying later): interface not active 00:03:27 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000300028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1618.391616][T31944] batman_adv: batadv0: Removing interface: ipvlan480 [ 1618.481443][T31961] batman_adv: batadv0: Adding interface: ipvlan374 [ 1618.503305][T31961] batman_adv: batadv0: The MTU of interface ipvlan374 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. [ 1618.583124][T31961] batman_adv: batadv0: Not using interface ipvlan374 (retrying later): interface not active [ 1618.619052][T31966] __nla_validate_parse: 32 callbacks suppressed [ 1618.619061][T31966] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1618.651892][T31966] batman_adv: batadv0: Removing interface: ipvlan719 [ 1618.747257][T31963] batman_adv: batadv0: Adding interface: ipvlan162 [ 1618.754597][T31963] batman_adv: batadv0: The MTU of interface ipvlan162 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. [ 1618.781843][T31963] batman_adv: batadv0: Not using interface ipvlan162 (retrying later): interface not active [ 1618.795760][T31967] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1618.830494][T31967] batman_adv: batadv0: Removing interface: ipvlan374 [ 1618.865584][T31972] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1618.894580][T31972] batman_adv: batadv0: Removing interface: ipvlan162 [ 1618.944600][T31982] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1619.002104][T31987] batman_adv: batadv0: Adding interface: ipvlan49 [ 1619.008953][T31987] batman_adv: batadv0: The MTU of interface ipvlan49 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. [ 1619.039773][T31987] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active [ 1619.052152][T31988] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1619.070472][T31988] batman_adv: batadv0: Removing interface: ipvlan49 [ 1619.100346][T31994] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 00:03:28 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000500028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1619.170211][T32004] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1619.238432][T31957] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1619.294497][T32006] batman_adv: batadv0: Adding interface: ipvlan480 [ 1619.307621][T32006] batman_adv: batadv0: The MTU of interface ipvlan480 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. [ 1619.335258][T32006] batman_adv: batadv0: Not using interface ipvlan480 (retrying later): interface not active [ 1619.348081][T32008] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1619.538200][T32017] batman_adv: batadv0: Adding interface: ipvlan374 [ 1619.544755][T32017] batman_adv: batadv0: The MTU of interface ipvlan374 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. [ 1619.572040][T32017] batman_adv: batadv0: Not using interface ipvlan374 (retrying later): interface not active [ 1619.598687][T32047] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 00:03:28 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000600028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:28 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d071300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:28 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d002300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:28 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d00a300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:28 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0xa000000, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) 00:03:28 executing program 4: syz_emit_ethernet(0x5e, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "03ce02", 0x28, 0x3a, 0x0, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6]}, @mcast2={0xff, 0x5}, {[], @ndisc_redir={0x89, 0x0, 0x0, [], @empty, @remote}}}}}}, 0x0) 00:03:28 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000700028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1619.967795][T32070] batman_adv: batadv0: Adding interface: ipvlan481 [ 1619.983512][T32070] batman_adv: batadv0: The MTU of interface ipvlan481 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1620.104095][T32070] batman_adv: batadv0: Not using interface ipvlan481 (retrying later): interface not active 00:03:29 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d037400"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1620.228140][T32065] batman_adv: batadv0: Removing interface: ipvlan481 [ 1620.328889][T32078] batman_adv: batadv0: Adding interface: ipvlan375 [ 1620.343905][T32078] batman_adv: batadv0: The MTU of interface ipvlan375 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1620.448454][T32078] batman_adv: batadv0: Not using interface ipvlan375 (retrying later): interface not active [ 1620.489279][T32081] batman_adv: batadv0: Removing interface: ipvlan375 00:03:29 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00001000028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1620.696429][T32093] batman_adv: batadv0: Adding interface: ipvlan719 [ 1620.703151][T32093] batman_adv: batadv0: The MTU of interface ipvlan719 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1620.733528][T32093] batman_adv: batadv0: Not using interface ipvlan719 (retrying later): interface not active [ 1620.770333][T32099] batman_adv: batadv0: Removing interface: ipvlan719 [ 1620.821438][T32104] batman_adv: batadv0: Adding interface: ipvlan49 [ 1620.828873][T32104] batman_adv: batadv0: The MTU of interface ipvlan49 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1620.855259][T32104] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active [ 1620.880374][T32111] batman_adv: batadv0: Removing interface: ipvlan49 00:03:30 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000440)='ethtool\x00') recvmmsg(r0, &(0x7f0000004d80)=[{{0x0, 0xa000000, 0x0}}], 0xf, 0xa, 0x0) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000080)=ANY=[@ANYBLOB="18000000", @ANYRES16=r1, @ANYBLOB="03070006f3fffffcff001900000004000180"], 0x18}}, 0x0) [ 1620.999214][T32125] batman_adv: batadv0: Adding interface: ipvlan481 [ 1621.016467][T32125] batman_adv: batadv0: The MTU of interface ipvlan481 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. [ 1621.088495][T32125] batman_adv: batadv0: Not using interface ipvlan481 (retrying later): interface not active 00:03:30 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e000000a0028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1621.193455][T32136] batman_adv: batadv0: Adding interface: ipvlan375 [ 1621.207957][T32136] batman_adv: batadv0: The MTU of interface ipvlan375 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. [ 1621.257494][T32136] batman_adv: batadv0: Not using interface ipvlan375 (retrying later): interface not active 00:03:30 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0xe00, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:30 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d081300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:30 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d002b00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:30 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e000000c0028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:30 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d01a300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:30 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x700, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:30 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000402028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1621.769517][T32191] batman_adv: batadv0: Adding interface: ipvlan162 [ 1621.785655][T32191] batman_adv: batadv0: The MTU of interface ipvlan162 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. [ 1621.868137][T32191] batman_adv: batadv0: Not using interface ipvlan162 (retrying later): interface not active [ 1621.973083][T32193] batman_adv: batadv0: Adding interface: ipvlan482 [ 1621.992763][T32193] batman_adv: batadv0: The MTU of interface ipvlan482 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. [ 1622.051633][T32193] batman_adv: batadv0: Not using interface ipvlan482 (retrying later): interface not active [ 1622.187985][T32200] batman_adv: batadv0: Adding interface: ipvlan376 [ 1622.212318][T32200] batman_adv: batadv0: The MTU of interface ipvlan376 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. [ 1622.277045][T32200] batman_adv: batadv0: Not using interface ipvlan376 (retrying later): interface not active [ 1622.305050][T32180] batman_adv: batadv0: Removing interface: ipvlan482 [ 1622.362514][T32203] batman_adv: batadv0: Adding interface: ipvlan49 [ 1622.369364][T32203] batman_adv: batadv0: The MTU of interface ipvlan49 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. [ 1622.422783][T32203] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active [ 1622.454446][T32204] batman_adv: batadv0: Adding interface: ipvlan719 [ 1622.466001][T32204] batman_adv: batadv0: The MTU of interface ipvlan719 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. [ 1622.493966][T32204] batman_adv: batadv0: Not using interface ipvlan719 (retrying later): interface not active [ 1622.515316][T32179] batman_adv: batadv0: Removing interface: ipvlan162 [ 1622.573114][T32205] batman_adv: batadv0: Removing interface: ipvlan376 [ 1622.610871][T32207] batman_adv: batadv0: Removing interface: ipvlan49 [ 1622.654259][T32209] batman_adv: batadv0: Removing interface: ipvlan719 00:03:31 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000403028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1622.822334][T32241] batman_adv: batadv0: Adding interface: ipvlan482 [ 1622.835945][T32241] batman_adv: batadv0: The MTU of interface ipvlan482 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. [ 1622.863064][T32241] batman_adv: batadv0: Not using interface ipvlan482 (retrying later): interface not active [ 1623.065847][T32252] batman_adv: batadv0: Adding interface: ipvlan719 [ 1623.087345][T32252] batman_adv: batadv0: The MTU of interface ipvlan719 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. [ 1623.115118][T32252] batman_adv: batadv0: Not using interface ipvlan719 (retrying later): interface not active 00:03:32 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000404028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:32 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d091300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:32 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d02a300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:32 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000405028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:32 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x37a, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:32 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d002d00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:32 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x37a, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1623.505909][T32303] batman_adv: batadv0: Adding interface: ipvlan483 [ 1623.548012][T32303] batman_adv: batadv0: The MTU of interface ipvlan483 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. [ 1623.610079][T32303] batman_adv: batadv0: Not using interface ipvlan483 (retrying later): interface not active [ 1623.634655][T32310] __nla_validate_parse: 33 callbacks suppressed [ 1623.634664][T32310] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1623.775042][T32315] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 00:03:32 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000406028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1623.837545][T32317] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1623.922002][T32316] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1624.008764][T32300] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1624.053052][T32300] batman_adv: batadv0: Removing interface: ipvlan483 [ 1624.118568][T32311] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1624.189875][T32322] batman_adv: batadv0: Adding interface: ipvlan376 [ 1624.196453][T32322] batman_adv: batadv0: The MTU of interface ipvlan376 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. [ 1624.230748][T32322] batman_adv: batadv0: Not using interface ipvlan376 (retrying later): interface not active [ 1624.264789][T32320] batman_adv: batadv0: Adding interface: ipvlan720 [ 1624.271530][T32320] batman_adv: batadv0: The MTU of interface ipvlan720 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. [ 1624.299897][T32320] batman_adv: batadv0: Not using interface ipvlan720 (retrying later): interface not active [ 1624.327698][T32321] batman_adv: batadv0: Adding interface: ipvlan162 [ 1624.334423][T32321] batman_adv: batadv0: The MTU of interface ipvlan162 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. [ 1624.362587][T32321] batman_adv: batadv0: Not using interface ipvlan162 (retrying later): interface not active [ 1624.388765][T32323] batman_adv: batadv0: Adding interface: ipvlan49 [ 1624.395388][T32323] batman_adv: batadv0: The MTU of interface ipvlan49 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. [ 1624.424080][T32323] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active [ 1624.437724][T32324] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1624.454836][T32324] batman_adv: batadv0: Removing interface: ipvlan376 [ 1624.488370][T32325] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1624.511841][T32325] batman_adv: batadv0: Removing interface: ipvlan720 [ 1624.567309][T32326] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1624.591451][T32326] batman_adv: batadv0: Removing interface: ipvlan162 [ 1624.627494][T32327] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1624.652051][T32327] batman_adv: batadv0: Removing interface: ipvlan49 00:03:33 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000407028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1624.796365][T32363] batman_adv: batadv0: Adding interface: ipvlan483 [ 1624.803781][T32363] batman_adv: batadv0: The MTU of interface ipvlan483 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. [ 1624.832322][T32363] batman_adv: batadv0: Not using interface ipvlan483 (retrying later): interface not active [ 1624.911271][T32310] batman_adv: batadv0: Adding interface: ipvlan720 [ 1624.918314][T32310] batman_adv: batadv0: The MTU of interface ipvlan720 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. [ 1624.946539][T32310] batman_adv: batadv0: Not using interface ipvlan720 (retrying later): interface not active [ 1624.972819][T32370] batman_adv: batadv0: Adding interface: ipvlan376 [ 1624.981149][T32370] batman_adv: batadv0: The MTU of interface ipvlan376 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. [ 1625.008824][T32370] batman_adv: batadv0: Not using interface ipvlan376 (retrying later): interface not active 00:03:34 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000409028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:34 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d0a1300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:34 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x37a, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:34 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d03a300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:34 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x700, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:34 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d003000"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:34 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e0000040a028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1625.556800][T32431] batman_adv: batadv0: Adding interface: ipvlan484 [ 1625.573532][T32431] batman_adv: batadv0: The MTU of interface ipvlan484 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. [ 1625.632357][T32431] batman_adv: batadv0: Not using interface ipvlan484 (retrying later): interface not active [ 1625.710154][T32439] batman_adv: batadv0: Adding interface: ipvlan721 [ 1625.726911][T32439] batman_adv: batadv0: The MTU of interface ipvlan721 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. [ 1625.788826][T32439] batman_adv: batadv0: Not using interface ipvlan721 (retrying later): interface not active [ 1625.835756][T32441] batman_adv: batadv0: Adding interface: ipvlan162 [ 1625.851532][T32441] batman_adv: batadv0: The MTU of interface ipvlan162 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. [ 1625.911861][T32441] batman_adv: batadv0: Not using interface ipvlan162 (retrying later): interface not active [ 1625.955091][T32422] batman_adv: batadv0: Removing interface: ipvlan484 00:03:35 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e0000040c028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1626.127469][T32445] batman_adv: batadv0: Adding interface: ipvlan49 [ 1626.143337][T32445] batman_adv: batadv0: The MTU of interface ipvlan49 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. [ 1626.217330][T32445] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active [ 1626.250245][T32492] batman_adv: batadv0: Adding interface: ipvlan722 [ 1626.257467][T32492] batman_adv: batadv0: The MTU of interface ipvlan722 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. [ 1626.285196][T32492] batman_adv: batadv0: Not using interface ipvlan722 (retrying later): interface not active [ 1626.305475][T32430] batman_adv: batadv0: Removing interface: ipvlan721 [ 1626.326521][T32430] batman_adv: batadv0: Removing interface: ipvlan722 [ 1626.375255][T32444] batman_adv: batadv0: Adding interface: ipvlan377 [ 1626.382495][T32444] batman_adv: batadv0: The MTU of interface ipvlan377 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. [ 1626.408916][T32444] batman_adv: batadv0: Not using interface ipvlan377 (retrying later): interface not active [ 1626.429161][T32450] batman_adv: batadv0: Removing interface: ipvlan162 [ 1626.478700][T32455] batman_adv: batadv0: Removing interface: ipvlan49 [ 1626.526309][T32433] batman_adv: batadv0: Removing interface: ipvlan377 00:03:35 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e0000040e028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1626.753596][T32490] batman_adv: batadv0: Adding interface: ipvlan484 [ 1626.767256][T32490] batman_adv: batadv0: The MTU of interface ipvlan484 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. [ 1626.794697][T32490] batman_adv: batadv0: Not using interface ipvlan484 (retrying later): interface not active [ 1626.828701][T32491] batman_adv: batadv0: Adding interface: ipvlan377 [ 1626.835559][T32491] batman_adv: batadv0: The MTU of interface ipvlan377 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. [ 1626.861786][T32491] batman_adv: batadv0: Not using interface ipvlan377 (retrying later): interface not active 00:03:36 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d0c1300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:36 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e0000040f028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:36 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d023500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:36 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x600, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:36 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x37a, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:36 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d00a400"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:36 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000410028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1627.451180][T32555] batman_adv: batadv0: Adding interface: ipvlan485 [ 1627.468328][T32555] batman_adv: batadv0: The MTU of interface ipvlan485 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. [ 1627.500314][T32555] batman_adv: batadv0: Not using interface ipvlan485 (retrying later): interface not active [ 1627.558038][T32564] batman_adv: batadv0: Adding interface: ipvlan162 [ 1627.564581][T32564] batman_adv: batadv0: The MTU of interface ipvlan162 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. [ 1627.647165][T32564] batman_adv: batadv0: Not using interface ipvlan162 (retrying later): interface not active [ 1627.736816][T32565] batman_adv: batadv0: Adding interface: ipvlan721 [ 1627.755141][T32565] batman_adv: batadv0: The MTU of interface ipvlan721 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. [ 1627.810333][T32565] batman_adv: batadv0: Not using interface ipvlan721 (retrying later): interface not active [ 1627.838795][T32547] batman_adv: batadv0: Removing interface: ipvlan485 [ 1627.982738][T32570] batman_adv: batadv0: Adding interface: ipvlan49 00:03:37 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000460028008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1628.014828][T32570] batman_adv: batadv0: The MTU of interface ipvlan49 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. [ 1628.069969][T32570] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active [ 1628.102701][T32569] batman_adv: batadv0: Adding interface: ipvlan378 [ 1628.109598][T32569] batman_adv: batadv0: The MTU of interface ipvlan378 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. [ 1628.138058][T32569] batman_adv: batadv0: Not using interface ipvlan378 (retrying later): interface not active [ 1628.157407][T32571] batman_adv: batadv0: Removing interface: ipvlan162 [ 1628.189415][T32572] batman_adv: batadv0: Removing interface: ipvlan721 [ 1628.236720][T32577] batman_adv: batadv0: Removing interface: ipvlan49 [ 1628.284089][T32579] batman_adv: batadv0: Removing interface: ipvlan378 [ 1628.359096][T32612] batman_adv: batadv0: Adding interface: ipvlan485 [ 1628.379881][T32612] batman_adv: batadv0: The MTU of interface ipvlan485 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. [ 1628.406582][T32612] batman_adv: batadv0: Not using interface ipvlan485 (retrying later): interface not active [ 1628.523419][T32616] batman_adv: batadv0: Adding interface: ipvlan378 [ 1628.530318][T32616] batman_adv: batadv0: The MTU of interface ipvlan378 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. [ 1628.556569][T32616] batman_adv: batadv0: Not using interface ipvlan378 (retrying later): interface not active 00:03:37 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400058008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:37 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d0e1300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:37 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400148008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1628.769821][T32666] __nla_validate_parse: 38 callbacks suppressed [ 1628.769831][T32666] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:03:37 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d01a400"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:37 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d0c1300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:37 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d033500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:38 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0xf0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:38 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400328008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1628.994394][T32668] batman_adv: batadv0: Adding interface: ipvlan486 [ 1629.011371][T32668] batman_adv: batadv0: The MTU of interface ipvlan486 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. [ 1629.044812][T32668] batman_adv: batadv0: Not using interface ipvlan486 (retrying later): interface not active [ 1629.059086][T32672] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1629.102225][T32672] batman_adv: batadv0: Removing interface: ipvlan486 [ 1629.175061][T32677] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1629.267457][T32675] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1629.375921][T32680] batman_adv: batadv0: Adding interface: ipvlan721 [ 1629.394489][T32680] batman_adv: batadv0: The MTU of interface ipvlan721 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. [ 1629.452260][T32680] batman_adv: batadv0: Not using interface ipvlan721 (retrying later): interface not active [ 1629.496519][T32683] batman_adv: batadv0: Adding interface: ipvlan162 [ 1629.531336][T32683] batman_adv: batadv0: The MTU of interface ipvlan162 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. [ 1629.579418][T32683] batman_adv: batadv0: Not using interface ipvlan162 (retrying later): interface not active [ 1629.593153][T32686] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1629.671361][T32689] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1629.695212][T32689] batman_adv: batadv0: Removing interface: ipvlan162 [ 1629.746627][T32687] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1629.765075][T32687] batman_adv: batadv0: Removing interface: ipvlan721 [ 1629.822141][T32692] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1629.865588][T32690] batman_adv: batadv0: Adding interface: ipvlan379 [ 1629.872985][T32690] batman_adv: batadv0: The MTU of interface ipvlan379 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. [ 1629.899925][T32690] batman_adv: batadv0: Not using interface ipvlan379 (retrying later): interface not active 00:03:39 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400408008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1629.947744][T32694] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1629.972105][T32694] batman_adv: batadv0: Removing interface: ipvlan379 [ 1630.035010][T32695] batman_adv: batadv0: Adding interface: ipvlan49 [ 1630.043331][T32695] batman_adv: batadv0: The MTU of interface ipvlan49 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. [ 1630.079200][T32695] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active [ 1630.091856][T32702] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1630.110260][T32702] batman_adv: batadv0: Removing interface: ipvlan49 [ 1630.191849][T32721] batman_adv: batadv0: Adding interface: ipvlan486 [ 1630.206807][T32721] batman_adv: batadv0: The MTU of interface ipvlan486 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. [ 1630.267562][T32721] batman_adv: batadv0: Not using interface ipvlan486 (retrying later): interface not active [ 1630.353352][T32730] batman_adv: batadv0: Adding interface: ipvlan721 [ 1630.363417][T32730] batman_adv: batadv0: The MTU of interface ipvlan721 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. [ 1630.390170][T32730] batman_adv: batadv0: Not using interface ipvlan721 (retrying later): interface not active [ 1630.446256][T32743] batman_adv: batadv0: Adding interface: ipvlan379 [ 1630.453614][T32743] batman_adv: batadv0: The MTU of interface ipvlan379 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. [ 1630.484365][T32743] batman_adv: batadv0: Not using interface ipvlan379 (retrying later): interface not active 00:03:39 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400058008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:39 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x60, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d001300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:39 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d02a400"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:39 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d101300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:39 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d01a400"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:39 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d043500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:39 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400108008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1630.849836][ T326] batman_adv: batadv0: Adding interface: ipvlan162 [ 1630.884988][ T326] batman_adv: batadv0: The MTU of interface ipvlan162 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. [ 1630.959251][ T326] batman_adv: batadv0: Not using interface ipvlan162 (retrying later): interface not active [ 1631.114560][ T333] batman_adv: batadv0: Removing interface: ipvlan162 [ 1631.176580][ T335] batman_adv: batadv0: Adding interface: ipvlan722 [ 1631.184360][ T335] batman_adv: batadv0: The MTU of interface ipvlan722 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. [ 1631.240111][ T335] batman_adv: batadv0: Not using interface ipvlan722 (retrying later): interface not active 00:03:40 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400148008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1631.424948][ T343] batman_adv: batadv0: Adding interface: ipvlan487 [ 1631.449154][ T343] batman_adv: batadv0: The MTU of interface ipvlan487 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. [ 1631.524770][ T343] batman_adv: batadv0: Not using interface ipvlan487 (retrying later): interface not active [ 1631.567744][ T344] batman_adv: batadv0: Adding interface: ipvlan49 [ 1631.574976][ T344] batman_adv: batadv0: The MTU of interface ipvlan49 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. [ 1631.609678][ T344] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active [ 1631.640228][ T345] batman_adv: batadv0: Removing interface: ipvlan722 [ 1631.722044][ T346] batman_adv: batadv0: Adding interface: ipvlan380 [ 1631.729480][ T346] batman_adv: batadv0: The MTU of interface ipvlan380 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. [ 1631.756141][ T346] batman_adv: batadv0: Not using interface ipvlan380 (retrying later): interface not active [ 1631.776982][ T347] batman_adv: batadv0: Removing interface: ipvlan487 [ 1631.813804][ T348] batman_adv: batadv0: Removing interface: ipvlan49 [ 1631.865259][ T350] batman_adv: batadv0: Removing interface: ipvlan380 00:03:41 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400328008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1632.110353][ T343] batman_adv: batadv0: Adding interface: ipvlan487 [ 1632.117303][ T343] batman_adv: batadv0: The MTU of interface ipvlan487 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. [ 1632.143477][ T343] batman_adv: batadv0: Not using interface ipvlan487 (retrying later): interface not active [ 1632.197658][ T399] batman_adv: batadv0: Adding interface: ipvlan380 [ 1632.204519][ T399] batman_adv: batadv0: The MTU of interface ipvlan380 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. [ 1632.230693][ T399] batman_adv: batadv0: Not using interface ipvlan380 (retrying later): interface not active 00:03:41 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028003000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:41 executing program 1: syz_emit_ethernet(0x5e, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "03ce06", 0x28, 0x3a, 0x0, @remote, @mcast2={0xff, 0x5}, {[], @ndisc_redir={0x89, 0x0, 0x0, [], @empty, @remote}}}}}}, 0x0) 00:03:41 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d481300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:41 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d03a400"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:41 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d101300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:41 executing program 1: syz_emit_ethernet(0x5e, &(0x7f0000000000)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x7, 0x6, "03ce02", 0x28, 0x3a, 0x0, @remote, @mcast2={0xff, 0x5}, {[], @ndisc_redir={0x89, 0x0, 0x0, [], @empty, @remote}}}}}}, 0x0) 00:03:41 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028005000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:41 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d053500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:41 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d007100"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1632.801393][ T450] batman_adv: batadv0: Adding interface: ipvlan49 [ 1632.820648][ T450] batman_adv: batadv0: The MTU of interface ipvlan49 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. [ 1632.881548][ T450] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active [ 1632.963894][ T452] batman_adv: batadv0: Adding interface: ipvlan722 [ 1632.980364][ T452] batman_adv: batadv0: The MTU of interface ipvlan722 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. [ 1633.008662][ T452] batman_adv: batadv0: Not using interface ipvlan722 (retrying later): interface not active [ 1633.070040][ T453] batman_adv: batadv0: Adding interface: ipvlan488 [ 1633.091182][ T453] batman_adv: batadv0: The MTU of interface ipvlan488 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. [ 1633.152212][ T453] batman_adv: batadv0: Not using interface ipvlan488 (retrying later): interface not active [ 1633.188326][ T458] netlink: 'syz-executor.5': attribute type 5 has an invalid length. 00:03:42 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028006000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1633.248890][ T464] batman_adv: batadv0: Removing interface: ipvlan49 [ 1633.307893][ T465] batman_adv: batadv0: Removing interface: ipvlan722 [ 1633.388163][ T466] batman_adv: batadv0: Removing interface: ipvlan488 [ 1633.449127][ T470] batman_adv: batadv0: Adding interface: ipvlan381 [ 1633.455648][ T470] batman_adv: batadv0: The MTU of interface ipvlan381 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. [ 1633.507062][ T470] batman_adv: batadv0: Not using interface ipvlan381 (retrying later): interface not active [ 1633.528121][ T474] batman_adv: batadv0: Removing interface: ipvlan381 [ 1633.605221][ T483] batman_adv: batadv0: Adding interface: ipvlan162 [ 1633.614394][ T483] batman_adv: batadv0: The MTU of interface ipvlan162 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. [ 1633.640656][ T483] batman_adv: batadv0: Not using interface ipvlan162 (retrying later): interface not active [ 1633.662440][ T484] batman_adv: batadv0: Removing interface: ipvlan162 00:03:42 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028009000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1633.760840][ T509] netlink: 'syz-executor.5': attribute type 5 has an invalid length. [ 1633.799768][ T512] batman_adv: batadv0: Adding interface: ipvlan722 [ 1633.814372][ T512] batman_adv: batadv0: The MTU of interface ipvlan722 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. [ 1633.876525][ T512] batman_adv: batadv0: Not using interface ipvlan722 (retrying later): interface not active [ 1633.937133][ T523] __nla_validate_parse: 29 callbacks suppressed [ 1633.937143][ T523] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1633.990371][ T527] batman_adv: batadv0: Adding interface: ipvlan381 [ 1634.006501][ T527] batman_adv: batadv0: The MTU of interface ipvlan381 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. [ 1634.036719][ T527] batman_adv: batadv0: Not using interface ipvlan381 (retrying later): interface not active [ 1634.060333][ T459] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1634.091969][ T459] batman_adv: batadv0: Removing interface: ipvlan381 [ 1634.142414][ T558] netlink: 'syz-executor.5': attribute type 5 has an invalid length. [ 1634.157370][ T558] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 00:03:43 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x10, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d003500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:43 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d00a500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:43 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d007100"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:43 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d4c1300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:43 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e0000040002800a000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1634.363873][ T572] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 00:03:43 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d063500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1634.466237][ T580] batman_adv: batadv0: Adding interface: ipvlan49 [ 1634.507969][ T580] batman_adv: batadv0: The MTU of interface ipvlan49 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. [ 1634.596637][ T580] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active [ 1634.628306][ T581] netlink: 'syz-executor.5': attribute type 5 has an invalid length. [ 1634.660589][ T581] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 00:03:43 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e0000040002800b000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1634.756742][ T583] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1634.867681][ T584] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1634.930370][ T582] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1635.041850][ T591] batman_adv: batadv0: Adding interface: ipvlan488 [ 1635.052181][ T591] batman_adv: batadv0: The MTU of interface ipvlan488 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. [ 1635.079003][ T591] batman_adv: batadv0: Not using interface ipvlan488 (retrying later): interface not active [ 1635.103310][ T592] batman_adv: batadv0: Adding interface: ipvlan162 [ 1635.126456][ T592] batman_adv: batadv0: The MTU of interface ipvlan162 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. [ 1635.186552][ T592] batman_adv: batadv0: Not using interface ipvlan162 (retrying later): interface not active [ 1635.241755][ T593] batman_adv: batadv0: Adding interface: ipvlan723 [ 1635.248674][ T593] batman_adv: batadv0: The MTU of interface ipvlan723 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. [ 1635.280346][ T593] batman_adv: batadv0: Not using interface ipvlan723 (retrying later): interface not active [ 1635.294441][ T596] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1635.335786][ T572] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1635.354204][ T572] batman_adv: batadv0: Removing interface: ipvlan49 [ 1635.401485][ T597] batman_adv: batadv0: Removing interface: ipvlan162 [ 1635.440418][ T595] batman_adv: batadv0: Removing interface: ipvlan488 [ 1635.508547][ T598] batman_adv: batadv0: Removing interface: ipvlan723 [ 1635.562101][ T599] batman_adv: batadv0: Adding interface: ipvlan381 [ 1635.569427][ T599] batman_adv: batadv0: The MTU of interface ipvlan381 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. [ 1635.595698][ T599] batman_adv: batadv0: Not using interface ipvlan381 (retrying later): interface not active [ 1635.625308][ T602] batman_adv: batadv0: Removing interface: ipvlan381 [ 1635.671399][ T612] netlink: 'syz-executor.5': attribute type 5 has an invalid length. 00:03:44 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e0000040002800f000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1635.816232][ T631] batman_adv: batadv0: Adding interface: ipvlan488 [ 1635.836559][ T631] batman_adv: batadv0: The MTU of interface ipvlan488 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. [ 1635.876439][ T631] batman_adv: batadv0: Not using interface ipvlan488 (retrying later): interface not active [ 1635.910918][ T630] batman_adv: batadv0: Adding interface: ipvlan723 [ 1635.917943][ T630] batman_adv: batadv0: The MTU of interface ipvlan723 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. [ 1635.950769][ T630] batman_adv: batadv0: Not using interface ipvlan723 (retrying later): interface not active [ 1635.969003][ T629] batman_adv: batadv0: Removing interface: ipvlan488 [ 1636.050810][ T637] batman_adv: batadv0: Adding interface: ipvlan381 [ 1636.058142][ T637] batman_adv: batadv0: The MTU of interface ipvlan381 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. [ 1636.084917][ T637] batman_adv: batadv0: Not using interface ipvlan381 (retrying later): interface not active [ 1636.111203][ T596] batman_adv: batadv0: Removing interface: ipvlan381 [ 1636.164305][ T677] netlink: 'syz-executor.5': attribute type 5 has an invalid length. 00:03:45 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028010000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:45 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d017000"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:45 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d601300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:45 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d01a500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:45 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d073500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:45 executing program 1 (fault-call:6 fault-nth:0): r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1636.389148][ T705] netlink: 'syz-executor.5': attribute type 5 has an invalid length. 00:03:45 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028011000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1636.537481][ T726] FAULT_INJECTION: forcing a failure. [ 1636.537481][ T726] name failslab, interval 1, probability 0, space 0, times 0 [ 1636.567969][ T726] CPU: 0 PID: 726 Comm: syz-executor.1 Not tainted 5.7.0-syzkaller #0 [ 1636.576153][ T726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1636.586209][ T726] Call Trace: [ 1636.589512][ T726] dump_stack+0x188/0x20d [ 1636.593856][ T726] should_fail.cold+0x5/0xa [ 1636.598380][ T726] ? fault_create_debugfs_attr+0x140/0x140 [ 1636.604208][ T726] should_failslab+0x5/0xf [ 1636.608630][ T726] __kmalloc+0x2d9/0x7a0 [ 1636.612879][ T726] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 1636.618934][ T726] ? tomoyo_realpath_from_path+0xc2/0x620 [ 1636.624662][ T726] ? lock_release+0x800/0x800 [ 1636.629340][ T726] ? __lock_acquire+0xc6c/0x4a70 [ 1636.634293][ T726] tomoyo_realpath_from_path+0xc2/0x620 [ 1636.639851][ T726] ? tomoyo_profile+0x42/0x50 [ 1636.644533][ T726] tomoyo_path_number_perm+0x1c2/0x4d0 [ 1636.649990][ T726] ? tomoyo_path_number_perm+0x17a/0x4d0 [ 1636.655622][ T726] ? tomoyo_execute_permission+0x470/0x470 [ 1636.661449][ T726] ? __fget_files+0x30d/0x500 [ 1636.666149][ T726] ? __fget_files+0x32f/0x500 [ 1636.670917][ T726] ? ksys_dup3+0x3c0/0x3c0 [ 1636.675328][ T726] ? __sb_end_write+0x101/0x1d0 [ 1636.680181][ T726] ? vfs_write+0x161/0x5d0 [ 1636.684601][ T726] security_file_ioctl+0x6c/0xb0 [ 1636.691278][ T726] ksys_ioctl+0x50/0x180 [ 1636.695548][ T726] __x64_sys_ioctl+0x6f/0xb0 [ 1636.700150][ T726] do_syscall_64+0xf6/0x7d0 [ 1636.704659][ T726] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 1636.710545][ T726] RIP: 0033:0x45ca59 [ 1636.714458][ T726] Code: 0d b7 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1636.734073][ T726] RSP: 002b:00007f859cc5bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1636.742510][ T726] RAX: ffffffffffffffda RBX: 00000000004e4c20 RCX: 000000000045ca59 [ 1636.750482][ T726] RDX: 0000000020000040 RSI: 00000000c028660f RDI: 0000000000000004 [ 1636.758452][ T726] RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 1636.766418][ T726] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 1636.774388][ T726] R13: 00000000000002e9 R14: 00000000004c5636 R15: 00007f859cc5c6d4 [ 1636.881047][ T719] batman_adv: batadv0: Adding interface: ipvlan49 [ 1636.898369][ T719] batman_adv: batadv0: The MTU of interface ipvlan49 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. [ 1636.956492][ T719] batman_adv: batadv0: Not using interface ipvlan49 (retrying later): interface not active 00:03:46 executing program 4 (fault-call:4 fault-nth:0): r0 = socket$kcm(0x29, 0x2, 0x0) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) close(r1) close(r0) [ 1637.051206][ T721] batman_adv: batadv0: Adding interface: ipvlan724 [ 1637.086800][ T721] batman_adv: batadv0: The MTU of interface ipvlan724 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:03:46 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) close(r1) close(r0) 00:03:46 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) close(r1) r2 = accept4(0xffffffffffffffff, &(0x7f0000000000)=@pppoe={0x18, 0x0, {0x0, @multicast}}, &(0x7f00000000c0)=0x80, 0x80000) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f00000005c0)='nl80211\x00') r5 = socket$tipc(0x1e, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000140)={'virt_wifi0\x00', 0x0}) sendmsg$NL80211_CMD_SET_WIPHY(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x28, r4, 0x11, 0x0, 0x0, {}, [@NL80211_ATTR_IFINDEX={0x8, 0x3, r6}, @NL80211_ATTR_WIPHY_COVERAGE_CLASS={0x5}, @NL80211_ATTR_WIPHY_DYN_ACK={0x4}]}, 0x28}}, 0x0) sendmsg$NL80211_CMD_SET_BSS(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x74, r4, 0x800, 0x70bd26, 0x25dfdbfd, {}, [@NL80211_ATTR_WDEV={0xc, 0x99, {0x1, 0x1}}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0xffffffffffffffff}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0x4}, @NL80211_STA_WME_MAX_SP={0x16, 0x2, "81248a6bde24062f49a00ef46bf69f2cbbe8"}, @NL80211_ATTR_AP_ISOLATE={0x5, 0x60, 0x7}, @NL80211_ATTR_BSS_CTS_PROT={0x5, 0x1c, 0x3}, @NL80211_ATTR_P2P_OPPPS={0x5}, @NL80211_ATTR_WDEV={0xc, 0x99, {0x4b6151c8}}, @NL80211_ATTR_AP_ISOLATE={0x5, 0x60, 0xce}]}, 0x74}, 0x1, 0x0, 0x0, 0x24000800}, 0x8000) sendmsg$NL80211_CMD_GET_MPP(r2, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x28, r4, 0x20, 0x70bd25, 0x25dfdbfc, {}, [@NL80211_ATTR_MAC={0xa, 0x6, @local}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0x4}]}, 0x28}, 0x1, 0x0, 0x0, 0x40000}, 0x30) r7 = accept(r5, &(0x7f0000000340)=@l2, &(0x7f00000003c0)=0x80) sendmsg$NL80211_CMD_GET_MPATH(r7, &(0x7f00000004c0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x20, r4, 0x4, 0x70bd2a, 0x25dfdbfb, {}, [@NL80211_ATTR_MAC={0xa, 0x6, @remote}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x0) close(r0) socket$inet_udplite(0x2, 0x2, 0x88) [ 1637.196370][ T721] batman_adv: batadv0: Not using interface ipvlan724 (retrying later): interface not active [ 1637.255143][ T726] ERROR: Out of memory at tomoyo_realpath_from_path. [ 1637.258263][ T722] batman_adv: batadv0: Adding interface: ipvlan381 00:03:46 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1637.293138][ T722] batman_adv: batadv0: The MTU of interface ipvlan381 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1637.408279][ T722] batman_adv: batadv0: Not using interface ipvlan381 (retrying later): interface not active [ 1637.497681][ T723] batman_adv: batadv0: Adding interface: ipvlan488 [ 1637.504221][ T723] batman_adv: batadv0: The MTU of interface ipvlan488 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:03:46 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x2, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1637.617096][ T723] batman_adv: batadv0: Not using interface ipvlan488 (retrying later): interface not active [ 1637.676135][ T727] batman_adv: batadv0: Removing interface: ipvlan724 [ 1637.781274][ T29] audit: type=1800 audit(1592265826.835:345): pid=781 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=15878 res=0 00:03:46 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x10, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1637.883767][ T731] batman_adv: batadv0: Removing interface: ipvlan488 [ 1638.019604][ T728] batman_adv: batadv0: Removing interface: ipvlan381 [ 1638.123372][ T29] audit: type=1800 audit(1592265827.175:346): pid=801 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=16146 res=0 00:03:47 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028012000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1638.313758][ T765] batman_adv: batadv0: Adding interface: ipvlan724 [ 1638.321069][ T765] batman_adv: batadv0: The MTU of interface ipvlan724 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1638.350016][ T765] batman_adv: batadv0: Not using interface ipvlan724 (retrying later): interface not active [ 1638.380546][ T766] batman_adv: batadv0: Adding interface: ipvlan488 [ 1638.387353][ T766] batman_adv: batadv0: The MTU of interface ipvlan488 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1638.413510][ T766] batman_adv: batadv0: Not using interface ipvlan488 (retrying later): interface not active [ 1638.441966][ T767] batman_adv: batadv0: Adding interface: ipvlan381 [ 1638.448830][ T767] batman_adv: batadv0: The MTU of interface ipvlan381 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1638.477512][ T767] batman_adv: batadv0: Not using interface ipvlan381 (retrying later): interface not active 00:03:47 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d681300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:47 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x4c01, &(0x7f0000000040)={0x0, r0, 0x4}) 00:03:47 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d083500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:47 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f00000000c0)=ANY=[@ANYRESOCT], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r2, 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$NFT_MSG_GETCHAIN(0xffffffffffffffff, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="5c0000001000030400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000002c00128009000100766c616e000000001c00028006000100000e00000c0002000e0000000a0000000400038008000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r5], 0x5c}}, 0x0) ioctl$sock_inet6_SIOCADDRT(r2, 0x890b, &(0x7f0000000000)={@dev={0xfe, 0x80, [], 0x1e}, @private2, @mcast2, 0xe6, 0x1, 0x6, 0x400, 0x3, 0x2000101, r5}) close(r1) close(r0) 00:03:47 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028013000500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:47 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d02a500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1638.808633][ T29] audit: type=1800 audit(1592265827.865:347): pid=838 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=15776 res=0 00:03:47 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x541b, &(0x7f0000000040)={0x0, r0, 0x4}) 00:03:47 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028012060500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1639.047178][ T29] audit: type=1800 audit(1592265828.085:348): pid=864 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=15867 res=0 00:03:48 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x5421, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1639.107819][ T846] __nla_validate_parse: 26 callbacks suppressed [ 1639.107830][ T846] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1639.261747][ T847] batman_adv: batadv0: Adding interface: ipvlan382 [ 1639.276585][ T847] batman_adv: batadv0: The MTU of interface ipvlan382 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1639.314533][ T29] audit: type=1800 audit(1592265828.365:349): pid=880 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=15867 res=0 00:03:48 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x5450, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1639.370957][ T847] batman_adv: batadv0: Not using interface ipvlan382 (retrying later): interface not active [ 1639.436323][ T849] batman_adv: batadv0: Adding interface: ipvlan725 [ 1639.452136][ T849] batman_adv: batadv0: The MTU of interface ipvlan725 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. [ 1639.521870][ T849] batman_adv: batadv0: Not using interface ipvlan725 (retrying later): interface not active [ 1639.572719][ T29] audit: type=1800 audit(1592265828.625:350): pid=893 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=15867 res=0 00:03:48 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x5451, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1639.614929][ T855] batman_adv: batadv0: Adding interface: ipvlan489 [ 1639.631381][ T855] batman_adv: batadv0: The MTU of interface ipvlan489 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1639.701140][ T855] batman_adv: batadv0: Not using interface ipvlan489 (retrying later): interface not active [ 1639.759157][ T856] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1639.808630][ T856] batman_adv: batadv0: Removing interface: ipvlan382 [ 1639.834360][ T29] audit: type=1800 audit(1592265828.885:351): pid=910 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=15867 res=0 00:03:48 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x5452, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1639.911042][ T857] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1639.930881][ T857] batman_adv: batadv0: Removing interface: ipvlan725 [ 1640.015268][ T862] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1640.043678][ T862] batman_adv: batadv0: Removing interface: ipvlan489 [ 1640.072887][ T29] audit: type=1800 audit(1592265829.125:352): pid=926 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=16209 res=0 [ 1640.115819][ T865] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1640.166151][ T849] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1640.238116][ T847] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1640.271151][ T900] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1640.431261][ T904] batman_adv: batadv0: Adding interface: ipvlan489 [ 1640.441429][ T904] batman_adv: batadv0: The MTU of interface ipvlan489 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. [ 1640.471776][ T904] batman_adv: batadv0: Not using interface ipvlan489 (retrying later): interface not active 00:03:49 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d6c1300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:49 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x5460, &(0x7f0000000040)={0x0, r0, 0x4}) 00:03:49 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) close(r1) close(r0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r3, r2, 0x0, 0x100000fffffffe) r4 = socket$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)={&(0x7f0000000400)=ANY=[@ANYBLOB="5c0000001000030400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000002c00128009000100766c616e000000001c00028006000100000e00000c0002000e0000000a0000000400038008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r6], 0x5c}}, 0x0) recvfrom$packet(r2, &(0x7f0000000000)=""/110, 0x6e, 0x40012060, &(0x7f00000000c0)={0x11, 0x11, r6, 0x1, 0x8, 0x6, @local}, 0x14) 00:03:49 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008020500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:49 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d093500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:49 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d03a500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1640.768869][ T962] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1640.828938][ T963] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 00:03:50 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008030500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1640.912497][ T29] audit: type=1800 audit(1592265829.965:353): pid=976 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=16177 res=0 00:03:50 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x6364, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1641.133163][ T962] batman_adv: batadv0: Adding interface: ipvlan382 [ 1641.160542][ T962] batman_adv: batadv0: The MTU of interface ipvlan382 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. [ 1641.203552][ T29] audit: type=1800 audit(1592265830.255:354): pid=998 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=15787 res=0 [ 1641.238568][ T962] batman_adv: batadv0: Not using interface ipvlan382 (retrying later): interface not active 00:03:50 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x6609, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1641.272990][ T975] batman_adv: batadv0: Adding interface: ipvlan725 [ 1641.287556][ T975] batman_adv: batadv0: The MTU of interface ipvlan725 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1641.353211][ T975] batman_adv: batadv0: Not using interface ipvlan725 (retrying later): interface not active [ 1641.417946][ T977] batman_adv: batadv0: Adding interface: ipvlan490 [ 1641.436323][ T977] batman_adv: batadv0: The MTU of interface ipvlan490 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1641.509332][ T977] batman_adv: batadv0: Not using interface ipvlan490 (retrying later): interface not active [ 1641.535188][ T972] batman_adv: batadv0: Removing interface: ipvlan382 00:03:50 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x660c, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1641.613497][ T979] batman_adv: batadv0: Removing interface: ipvlan725 [ 1641.689306][ T982] batman_adv: batadv0: Removing interface: ipvlan490 00:03:50 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x6611, &(0x7f0000000040)={0x0, r0, 0x4}) 00:03:50 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) close(r1) r2 = socket(0x5, 0x3, 0x2) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r3, &(0x7f0000000040)=ANY=[], 0x208e24b) sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(r3, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x140b, 0x200, 0x70bd25, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_RES_CM_IDN={0x8}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_RES_CM_IDN={0x8, 0x3f, 0x5d4}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x1}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x3}, @RDMA_NLDEV_ATTR_RES_CM_IDN={0x8, 0x3f, 0x2}]}, 0x50}, 0x1, 0x0, 0x0, 0x4040010}, 0x20042051) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r3, 0x0) r4 = socket(0x18, 0x0, 0x0) close(r4) r5 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r5, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @rand_addr=' \x01\x00'}], 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp6_SCTP_CONTEXT(r4, 0x84, 0x11, &(0x7f0000000000)={r6}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r3, 0x84, 0x73, &(0x7f0000000000)={r6, 0x2, 0x30, 0xffffffffffffa3ff, 0x1}, &(0x7f0000000040)=0x18) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f00000000c0)={r7, @in={{0x2, 0x4e24, @empty}}, 0x800, 0x6, 0x80000001, 0x1000000, 0x40, 0x8001, 0x6}, &(0x7f0000000180)=0x9c) close(r0) [ 1642.160879][ T1018] batman_adv: batadv0: Adding interface: ipvlan382 [ 1642.175629][ T1018] batman_adv: batadv0: The MTU of interface ipvlan382 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. [ 1642.202736][ T1018] batman_adv: batadv0: Not using interface ipvlan382 (retrying later): interface not active 00:03:51 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d741300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:51 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008040500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:51 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x6612, &(0x7f0000000040)={0x0, r0, 0x4}) 00:03:51 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d00a600"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:51 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d0a3500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:51 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x6628, &(0x7f0000000040)={0x0, r0, 0x4}) 00:03:51 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008050500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1642.807533][ T1082] batman_adv: batadv0: Adding interface: ipvlan490 [ 1642.821536][ T29] kauditd_printk_skb: 3 callbacks suppressed [ 1642.821549][ T29] audit: type=1800 audit(1592265831.875:358): pid=1102 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=15787 res=0 [ 1642.859605][ T1082] batman_adv: batadv0: The MTU of interface ipvlan490 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. 00:03:52 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x8912, &(0x7f0000000040)={0x0, r0, 0x4}) 00:03:52 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) close(r1) close(r0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r2, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) ioctl$sock_SIOCINQ(r2, 0x541b, &(0x7f0000000000)) [ 1642.918584][ T1082] batman_adv: batadv0: Not using interface ipvlan490 (retrying later): interface not active [ 1642.971619][ T1083] batman_adv: batadv0: Adding interface: ipvlan725 [ 1642.987361][ T1083] batman_adv: batadv0: The MTU of interface ipvlan725 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. 00:03:52 executing program 4: gettid() r0 = socket$kcm(0x29, 0x2, 0x0) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) close(r1) close(r0) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) r3 = socket(0x18, 0x0, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) syz_init_net_socket$ax25(0x3, 0x2, 0x3b) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f0000000180)=[@in={0x2, 0x4e23, @initdev={0xac, 0x1e, 0x1, 0x0}}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)=ANY=[@ANYBLOB="06000000", @ANYRES32=0x0], &(0x7f000095dffc)=0x8) getsockopt$inet_sctp6_SCTP_CONTEXT(r3, 0x84, 0x11, &(0x7f0000000000)={r5}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp6_SCTP_CONTEXT(r2, 0x84, 0x11, &(0x7f0000000480)={r5, 0xfffffffd}, 0x8) r6 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r6, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @rand_addr=' \x01\x00'}], 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r6, 0x84, 0x1d, &(0x7f000095dff8)=ANY=[@ANYBLOB="868050d3", @ANYRES32=0x0], &(0x7f000095dffc)=0x8) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000000000)={r7}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp_SCTP_SET_PEER_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x5, &(0x7f00000000c0)={r7, @in6={{0xa, 0x4e23, 0x3, @mcast2, 0x9}}}, 0x84) [ 1643.071519][ T1083] batman_adv: batadv0: Not using interface ipvlan725 (retrying later): interface not active [ 1643.149760][ T29] audit: type=1800 audit(1592265832.205:359): pid=1123 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=15815 res=0 [ 1643.160168][ T1084] batman_adv: batadv0: Adding interface: ipvlan383 00:03:52 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x8933, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1643.200175][ T1084] batman_adv: batadv0: The MTU of interface ipvlan383 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1643.259108][ T1084] batman_adv: batadv0: Not using interface ipvlan383 (retrying later): interface not active [ 1643.295632][ T1078] batman_adv: batadv0: Removing interface: ipvlan490 [ 1643.377593][ T29] audit: type=1800 audit(1592265832.435:360): pid=1134 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=15815 res=0 [ 1643.407168][ T1090] batman_adv: batadv0: Removing interface: ipvlan725 00:03:52 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x8b04, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1643.523244][ T1095] batman_adv: batadv0: Removing interface: ipvlan383 [ 1643.661915][ T29] audit: type=1800 audit(1592265832.715:361): pid=1171 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=15815 res=0 [ 1643.815190][ T1087] BUG: MAX_LOCKDEP_KEYS too low! [ 1643.820143][ T1087] turning off the locking correctness validator. [ 1643.826464][ T1087] CPU: 0 PID: 1087 Comm: syz-executor.3 Not tainted 5.7.0-syzkaller #0 [ 1643.834687][ T1087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1643.844743][ T1087] Call Trace: [ 1643.848032][ T1087] dump_stack+0x188/0x20d [ 1643.852363][ T1087] register_lock_class.cold+0x11/0x19 [ 1643.857730][ T1087] ? kernel_text_address+0x6e/0xe0 [ 1643.862847][ T1087] ? is_dynamic_key+0x1a0/0x1a0 [ 1643.867786][ T1087] ? mark_lock+0x11f/0xdd0 [ 1643.872201][ T1087] ? __lock_acquire+0x2226/0x4a70 [ 1643.877220][ T1087] ? print_usage_bug+0x240/0x240 [ 1643.882158][ T1087] __lock_acquire+0xff/0x4a70 [ 1643.886834][ T1087] ? __lock_acquire+0x2226/0x4a70 [ 1643.891857][ T1087] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 1643.897829][ T1087] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 1643.903807][ T1087] lock_acquire+0x1f2/0x8f0 [ 1643.908314][ T1087] ? __dev_mc_add+0x28/0xd0 [ 1643.912912][ T1087] ? igmp6_group_added+0x154/0x420 [ 1643.918021][ T1087] ? lock_release+0x800/0x800 [ 1643.922696][ T1087] ? lock_release+0x800/0x800 [ 1643.927372][ T1087] ? lock_acquire+0x1f2/0x8f0 [ 1643.932045][ T1087] ? do_raw_spin_lock+0x129/0x2e0 [ 1643.937094][ T1087] _raw_spin_lock_bh+0x2f/0x40 [ 1643.941853][ T1087] ? __dev_mc_add+0x28/0xd0 [ 1643.946352][ T1087] __dev_mc_add+0x28/0xd0 [ 1643.950676][ T1087] igmp6_group_added+0x375/0x420 [ 1643.955608][ T1087] ? igmp6_join_group.part.0+0x390/0x390 [ 1643.961238][ T1087] ? __local_bh_enable_ip+0x159/0x270 [ 1643.966606][ T1087] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 1643.972585][ T1087] ? __ipv6_dev_mc_inc+0x811/0xca0 [ 1643.977688][ T1087] ? __ipv6_dev_mc_inc+0x811/0xca0 [ 1643.982788][ T1087] __ipv6_dev_mc_inc+0x819/0xca0 [ 1643.987781][ T1087] ipv6_add_dev+0x99d/0x1090 [ 1643.992367][ T1087] addrconf_notify+0x89c/0x2270 [ 1643.997247][ T1087] ? tls_dev_event+0x100/0xc60 [ 1644.002002][ T1087] ? do_raw_spin_lock+0x129/0x2e0 [ 1644.007089][ T1087] ? clusterip_netdev_event+0x465/0x640 [ 1644.012632][ T1087] ? inet6_ifinfo_notify+0x150/0x150 [ 1644.017907][ T1087] ? __local_bh_enable_ip+0x159/0x270 [ 1644.023271][ T1087] ? clusterip_netdev_event+0x465/0x640 [ 1644.028859][ T1087] ? tee_netdev_event+0x431/0x5d0 [ 1644.033877][ T1087] ? ip6mr_device_event+0x1ab/0x220 [ 1644.039070][ T1087] ? notifier_call_chain+0xc0/0x230 [ 1644.044256][ T1087] notifier_call_chain+0xc0/0x230 [ 1644.049281][ T1087] call_netdevice_notifiers_info+0xb5/0x130 [ 1644.055167][ T1087] register_netdevice+0xd70/0x10b0 [ 1644.060271][ T1087] ? netdev_change_features+0xb0/0xb0 [ 1644.065634][ T1087] veth_newlink+0x555/0xa10 [ 1644.070128][ T1087] ? veth_open+0x1a0/0x1a0 [ 1644.074540][ T1087] ? debug_smp_processor_id+0x2f/0x185 [ 1644.080114][ T1087] ? __kmalloc_node+0x38/0x60 [ 1644.084787][ T1087] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 1644.090328][ T1087] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 1644.096305][ T1087] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 1644.102106][ T1087] ? kmem_cache_alloc_node_trace+0x3a2/0x790 [ 1644.108080][ T1087] ? lockdep_init_map_waits+0x26a/0x890 [ 1644.113619][ T1087] ? kasan_unpoison_shadow+0x30/0x40 [ 1644.118903][ T1087] ? memset+0x20/0x40 [ 1644.123114][ T1087] ? xdp_rxq_info_reg+0x111/0x1b0 [ 1644.128133][ T1087] ? alloc_netdev_mqs+0x9f9/0xdc0 [ 1644.133254][ T1087] ? rtnl_create_link+0x184/0xac0 [ 1644.138271][ T1087] ? veth_open+0x1a0/0x1a0 [ 1644.142678][ T1087] __rtnl_newlink+0xf18/0x1590 [ 1644.147438][ T1087] ? rtnl_link_unregister+0x240/0x240 [ 1644.153312][ T1087] ? bpf_ksym_find+0x177/0x1c0 [ 1644.158074][ T1087] ? is_bpf_text_address+0xcb/0x160 [ 1644.163261][ T1087] ? kernel_text_address+0x6e/0xe0 [ 1644.168362][ T1087] ? __kernel_text_address+0x9/0x30 [ 1644.173553][ T1087] ? unwind_get_return_address+0x5a/0xa0 [ 1644.179222][ T1087] ? profile_setup.cold+0xc1/0xc1 [ 1644.184269][ T1087] ? arch_stack_walk+0x97/0xf0 [ 1644.189032][ T1087] ? stack_trace_save+0x8c/0xc0 [ 1644.193872][ T1087] ? stack_trace_consume_entry+0x160/0x160 [ 1644.199689][ T1087] ? rtnl_newlink+0x46/0xa0 [ 1644.204184][ T1087] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 1644.209724][ T1087] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 1644.215693][ T1087] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 1644.221502][ T1087] rtnl_newlink+0x64/0xa0 [ 1644.225825][ T1087] ? __rtnl_newlink+0x1590/0x1590 [ 1644.230843][ T1087] rtnetlink_rcv_msg+0x44e/0xad0 [ 1644.235776][ T1087] ? rtnl_bridge_getlink+0x870/0x870 [ 1644.241055][ T1087] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 1644.246331][ T1087] ? __copy_skb_header+0x230/0x5b0 [ 1644.251431][ T1087] ? skb_splice_bits+0x1a0/0x1a0 [ 1644.256362][ T1087] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 1644.262161][ T1087] netlink_rcv_skb+0x15a/0x410 [ 1644.266899][ T1087] ? rtnl_bridge_getlink+0x870/0x870 [ 1644.272200][ T1087] ? netlink_ack+0xa10/0xa10 [ 1644.276807][ T1087] netlink_unicast+0x537/0x740 [ 1644.281542][ T1087] ? netlink_attachskb+0x810/0x810 [ 1644.286671][ T1087] ? _copy_from_iter_full+0x25c/0x870 [ 1644.292015][ T1087] ? __phys_addr_symbol+0x2c/0x70 [ 1644.297011][ T1087] ? __check_object_size+0x171/0x437 [ 1644.302268][ T1087] netlink_sendmsg+0x882/0xe10 [ 1644.307017][ T1087] ? aa_af_perm+0x260/0x260 [ 1644.311490][ T1087] ? netlink_unicast+0x740/0x740 [ 1644.316414][ T1087] ? netlink_unicast+0x740/0x740 [ 1644.321324][ T1087] sock_sendmsg+0xcf/0x120 [ 1644.325713][ T1087] ____sys_sendmsg+0x6e6/0x810 [ 1644.330625][ T1087] ? kernel_sendmsg+0x50/0x50 [ 1644.335304][ T1087] ___sys_sendmsg+0x100/0x170 [ 1644.339953][ T1087] ? debug_smp_processor_id+0x2f/0x185 [ 1644.345379][ T1087] ? sendmsg_copy_msghdr+0x70/0x70 [ 1644.350467][ T1087] ? __fget_files+0x32f/0x500 [ 1644.355115][ T1087] ? ksys_dup3+0x3c0/0x3c0 [ 1644.359502][ T1087] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 1644.365456][ T1087] ? __fget_light+0x20e/0x270 [ 1644.370105][ T1087] __sys_sendmsg+0xe5/0x1b0 [ 1644.374580][ T1087] ? __sys_sendmsg_sock+0xb0/0xb0 [ 1644.379633][ T1087] ? __x64_sys_futex+0x380/0x4f0 [ 1644.384546][ T1087] ? do_syscall_64+0x21/0x7d0 [ 1644.389204][ T1087] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 1644.395160][ T1087] do_syscall_64+0xf6/0x7d0 [ 1644.399635][ T1087] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 1644.405545][ T1087] RIP: 0033:0x45ca59 [ 1644.409431][ T1087] Code: 0d b7 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1644.429010][ T1087] RSP: 002b:00007f282930ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1644.437407][ T1087] RAX: ffffffffffffffda RBX: 0000000000501a20 RCX: 000000000045ca59 [ 1644.445348][ T1087] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 1644.453288][ T1087] RBP: 000000000078c040 R08: 0000000000000000 R09: 0000000000000000 [ 1644.461230][ T1087] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 1644.469170][ T1087] R13: 0000000000000a21 R14: 00000000004cd03c R15: 00007f282930b6d4 [ 1644.578231][ T1144] batman_adv: batadv0: Adding interface: ipvlan490 [ 1644.584765][ T1144] batman_adv: batadv0: The MTU of interface ipvlan490 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. [ 1644.615943][ T1144] batman_adv: batadv0: Not using interface ipvlan490 (retrying later): interface not active 00:03:53 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d7a1300"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:53 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008060500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:53 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x400454ca, &(0x7f0000000040)={0x0, r0, 0x4}) 00:03:53 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_SET_VLAN_FLAG_CMD(r1, 0x8983, &(0x7f0000000000)={0x7, 'bond0\x00', {0x3}, 0x2}) close(r1) close(r0) 00:03:53 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d01a600"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:53 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d0c3500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1644.783840][ T1207] __nla_validate_parse: 20 callbacks suppressed [ 1644.783850][ T1207] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 00:03:53 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008070500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1644.855877][ T1213] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:03:54 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) close(r1) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r3, r2, 0x0, 0x100000fffffffe) r4 = socket(0x18, 0x0, 0x0) close(r4) r5 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r5, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @rand_addr=' \x01\x00'}], 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f000095dff8)=ANY=[@ANYBLOB="fe1e7eff", @ANYRES32=0x0], &(0x7f000095dffc)=0x8) getsockopt$inet_sctp6_SCTP_CONTEXT(r4, 0x84, 0x11, &(0x7f0000000000)={r6}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000100)={r6, 0x2449}, 0x8) r7 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r8 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r8, r7, 0x0, 0x100000fffffffe) getsockname$netrom(r7, &(0x7f0000000000)={{0x3, @netrom}, [@default, @remote, @remote, @remote, @remote, @null, @null, @rose]}, &(0x7f00000000c0)=0x48) sendmsg$TIPC_NL_MEDIA_GET(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000140), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x40, 0x0, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@TIPC_NLA_PUBL={0x2c, 0x3, 0x0, 0x1, [@TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0x7}, @TIPC_NLA_PUBL_UPPER={0x8, 0x3, 0x8}, @TIPC_NLA_PUBL_TYPE={0x8, 0x1, 0x3}, @TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0x40}, @TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0x4}]}]}, 0x40}, 0x1, 0x0, 0x0, 0x1}, 0x40800) close(r0) [ 1644.914438][ T29] audit: type=1800 audit(1592265833.965:362): pid=1214 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=15868 res=0 [ 1644.944821][ T1211] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 00:03:54 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x40046629, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1645.021024][ T1212] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1645.154511][ T1219] batman_adv: batadv0: Adding interface: ipvlan491 [ 1645.176944][ T1219] batman_adv: batadv0: The MTU of interface ipvlan491 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. [ 1645.179283][ T29] audit: type=1800 audit(1592265834.235:363): pid=1248 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=15868 res=0 00:03:54 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x40049409, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1645.248058][ T1219] batman_adv: batadv0: Not using interface ipvlan491 (retrying later): interface not active [ 1645.303525][ T1217] batman_adv: batadv0: Adding interface: ipvlan383 [ 1645.318167][ T1217] batman_adv: batadv0: The MTU of interface ipvlan383 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1645.389077][ T1217] batman_adv: batadv0: Not using interface ipvlan383 (retrying later): interface not active [ 1645.432504][ T1218] batman_adv: batadv0: Adding interface: ipvlan725 [ 1645.440919][ T29] audit: type=1800 audit(1592265834.495:364): pid=1259 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=15794 res=0 00:03:54 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x40086602, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1645.444780][ T1218] batman_adv: batadv0: The MTU of interface ipvlan725 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. [ 1645.488420][ T1218] batman_adv: batadv0: Not using interface ipvlan725 (retrying later): interface not active [ 1645.500802][ T1224] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1645.539463][ T1224] batman_adv: batadv0: Removing interface: ipvlan491 [ 1645.588659][ T1228] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1645.625909][ T1228] batman_adv: batadv0: Removing interface: ipvlan725 [ 1645.668082][ T1227] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.0'. 00:03:54 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x40086604, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1645.712087][ T1227] batman_adv: batadv0: Removing interface: ipvlan383 [ 1645.736738][ T1231] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1645.785853][ T1217] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1645.848086][ T1271] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1645.996687][ T1282] batman_adv: batadv0: Adding interface: ipvlan725 [ 1646.003208][ T1282] batman_adv: batadv0: The MTU of interface ipvlan725 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1646.065630][ T1282] batman_adv: batadv0: Not using interface ipvlan725 (retrying later): interface not active 00:03:55 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d002000"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:55 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008090500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:55 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x40086607, &(0x7f0000000040)={0x0, r0, 0x4}) 00:03:55 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r2, 0x0) setsockopt$IPT_SO_SET_ADD_COUNTERS(r2, 0x0, 0x41, &(0x7f0000000000)={'mangle\x00', 0x3, [{}, {}, {}]}, 0x58) close(r1) close(r0) 00:03:55 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d02a600"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:55 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e000004000280080a0500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:55 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d0e3500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1646.331524][ T1330] batman_adv: batadv0: Adding interface: ipvlan491 [ 1646.391618][ T29] audit: type=1800 audit(1592265835.445:365): pid=1334 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=16066 res=0 00:03:55 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x6609, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1646.426098][ T1330] batman_adv: batadv0: The MTU of interface ipvlan491 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. 00:03:55 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = accept$unix(0xffffffffffffffff, 0x0, &(0x7f0000001540)) getpeername$unix(r2, &(0x7f0000001580)=@abs, &(0x7f0000001600)=0x6e) close(r1) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r4, r3, 0x0, 0x100000fffffffe) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r6 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r6, r5, 0x0, 0x100000fffffffe) r7 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0)='nl80211\x00') sendmsg$NL80211_CMD_DEL_INTERFACE(r5, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r7, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NL80211_ATTR_WDEV={0xc, 0x99, {0x9, 0x4}}]}, 0x20}, 0x1, 0x0, 0x0, 0x8000084}, 0x4000000) r8 = socket$nl_route(0x10, 0x3, 0x0) socket(0x1, 0x803, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xffffffffffffffec) sendmsg$nl_route(r8, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000540)=ANY=[@ANYBLOB="5c0000001000030400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000002c00128009000100766c616e000000001c00028006000100000e00000c0002000e0000000a0000000400038008000500", @ANYRES32=r9, @ANYBLOB="000000739535971ca398dbb5f9a800cea7c6dcc72c0910674a6b705ffc8dc583a6e298265288411fcb958b74a1976268294ffcb62148bc5722fb96c5ecb47a57c9328515761c8ffcca3648958b1cb9d9a11449de7017f270f88eb244ac1d75acee8fe16692742687244c8c4e38a78d6c19f90fd1dc80533a1007e1e814b0b10b9a114f2c409c5eed3c5a083261eb7e961848d307b66566cdd92ef87cc53bf7499400b8f50fc65a6a5d5c96cf02eaff58ddc4928c2518f8fe120bf8ef7af9f3ee", @ANYRES32=r9], 0x5c}}, 0x0) setsockopt$inet_mreqn(r3, 0x0, 0x23, &(0x7f0000000000)={@dev={0xac, 0x14, 0x14, 0x22}, @broadcast, r9}, 0xc) close(r0) [ 1646.530098][ T1330] batman_adv: batadv0: Not using interface ipvlan491 (retrying later): interface not active [ 1646.566200][ T1338] batman_adv: batadv0: Removing interface: ipvlan491 00:03:55 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x40087602, &(0x7f0000000040)={0x0, r0, 0x4}) 00:03:55 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e000004000280080c0500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:55 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x400c6615, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1646.818510][ T1349] batman_adv: batadv0: Adding interface: ipvlan383 [ 1646.843376][ T1349] batman_adv: batadv0: The MTU of interface ipvlan383 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. [ 1646.876465][ T1349] batman_adv: batadv0: Not using interface ipvlan383 (retrying later): interface not active [ 1646.910536][ T1350] batman_adv: batadv0: Adding interface: ipvlan726 [ 1646.917453][ T1350] batman_adv: batadv0: The MTU of interface ipvlan726 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. [ 1646.948391][ T1350] batman_adv: batadv0: Not using interface ipvlan726 (retrying later): interface not active [ 1646.969122][ T1353] batman_adv: batadv0: Removing interface: ipvlan726 [ 1647.051859][ T1352] batman_adv: batadv0: Removing interface: ipvlan383 [ 1647.177578][ T1403] batman_adv: batadv0: Adding interface: ipvlan491 [ 1647.191841][ T1403] batman_adv: batadv0: The MTU of interface ipvlan491 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. [ 1647.255530][ T1403] batman_adv: batadv0: Not using interface ipvlan491 (retrying later): interface not active [ 1647.269608][ T1327] batman_adv: batadv0: Removing interface: ipvlan491 [ 1647.355416][ T1424] batman_adv: batadv0: Adding interface: ipvlan383 [ 1647.362970][ T1424] batman_adv: batadv0: The MTU of interface ipvlan383 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. [ 1647.390213][ T1424] batman_adv: batadv0: Not using interface ipvlan383 (retrying later): interface not active 00:03:56 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) accept4$vsock_stream(r1, &(0x7f0000000000)={0x28, 0x0, 0xffffffff, @hyper}, 0x10, 0x800) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) close(r2) close(r0) 00:03:56 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x40106614, &(0x7f0000000040)={0x0, r0, 0x4}) 00:03:56 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d004000"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:56 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e000004000280080e0500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:56 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d03a600"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:56 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d103500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:56 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e000004000280080f0500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:56 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) close(r1) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r2, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) getsockopt$IP_SET_OP_GET_BYNAME(r2, 0x1, 0x53, &(0x7f0000000000)={0x6, 0x7, 'syz0\x00'}, &(0x7f0000000040)=0x28) close(r0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r3, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) sendmmsg$sock(r3, &(0x7f0000002d40)=[{{&(0x7f00000000c0)=@hci={0x1f, 0x0, 0x3}, 0x80, &(0x7f0000000680)=[{&(0x7f0000000140)="863b54e6704b6fb38f6bc44d6e334a17cf6ecf2c875e33258c61", 0x1a}, {&(0x7f0000000180)="ef2601b6b0763100cf8f2092b690ff914933f6ec4d563ae06b4ef3efc00c901203a6c58993fa301024d24e8263baacc934dacfd2488056be55b065fe76e3573632f91a8a337e473f354b5a98ce8043f7226bbc6889c41ac629d6e86823121e57aebf74b1dfcddcd85b5fd68de587c3", 0x6f}, {&(0x7f0000000240)="01583879ab61c739d5ff7486954523e026b57932588fb955a9b1d6276d87eff20bb1", 0x22}, {&(0x7f0000000280)="f573d240d3911291fe2b2e8feb8786bce95b7d6b25aac651952074b7ccf2866e1ca7849a21dfbaf26d7d6c4e15238e6a66bf29b80b254c02ca9816e14977", 0x3e}, {&(0x7f00000002c0)="759b1f6b747821b5aeafeb4ec72d0bac92f8e1045924a4d2f678f8d9580e9017712642837bb6fafd8c3a34ffbe95999a3fb14eddec14689032d74681d09128868b7108a6712fd9e7fa9dccaa930b934574f13f712314ac7b6d889b90688911a0d9ce1461818f7cc74744ead6f63992a94e9a1fbdf257b09446708cbb594cfddc23d837611e8a7c6f6624d4390774ba61b4148244515deb0bddb5d341fc9e7f990bb13c7f21f101360e88eb3e08773804d9c8615d04b831d02cc6f66643088fcb466f93b423b10ccc24cd1e874f16e9c3c4a2ea1afe08bc4c93b39fff9648e1d6a949f4661501f7d6a3c463", 0xeb}, {&(0x7f00000003c0)="8b96bd36d8298e00c506f716dfe3adbc41473dfceb8e977ae15c7efc71967e62a92987887906c7a1b9b04cd8a317b375abdc44decfe47c8eb00c220f2c56d231071bc1583c64f52aeed39df380686f09a6f32d1f338362aae352caad8735a6c51959e2c2e78f47c52a81667e1a5d573cc37decd8aa6bb6dda2d28c880fd6e54ef95c108d5d8025cefeb0125f1359a522c0f1dd742681b33ac6a0ba48263d318b4ccd6c436aeef21e1cc6a25d112190415525", 0xb2}, {&(0x7f0000000480)="4251e1", 0x3}, {&(0x7f00000004c0)="a33f673b2caea46c59349f3acdba3510de5b33bf5f368db53ec6d8415bef64c9475129e58b48c516a107613467a82f38e135a84c69dc139aac0b0e2c1c606b0b08647ecd73203c367fd7daedd94c66f8a51d9b019b1452d093364cb02345e9e61dcb5815054bfb9ce7aec2b60501d14f8aad7f07bc581dfcc85b0a18599fe4dfdcc32a9d705e065ab00479aace24d081d9dc1edd404daea05b7a1c1fe8976c3fec09a3f7da70651ce62b58cf64747c68abf7", 0xb2}, {&(0x7f0000000580)="b08ef4012d5c07697bd93151cde28a62e85675cddc048f5a", 0x18}, {&(0x7f00000005c0)="846168e475666b825210d93620cb8aea475ed2ee3ebd00a22b5112961bcbf87700c9f6ce5a11d83f74eadc1dcc0517636e07a42d2387ca17ef192657fd5cdd784d34a8f04dcd877280bb", 0x4a}], 0xa, &(0x7f0000000740)=[@timestamping={{0x14, 0x1, 0x25, 0xff}}, @txtime={{0x18}}], 0x30}}, {{&(0x7f0000000780)=@l2tp6={0xa, 0x0, 0x6, @private2={0xfc, 0x2, [], 0x1}, 0x0, 0x1}, 0x80, &(0x7f0000001980)=[{&(0x7f0000000800)="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", 0x1000}, {&(0x7f0000001800)="1a90e62343592e1c5180f080a4f8cc788dd87c5afbbbf2f632835751", 0x1c}, {&(0x7f0000001840)="1b977c9074a20bfd8c39d61290a0d743399f120df290bbd87e5dfefee0e861eba4c4e8349a2fc55cf14cc9b70987154c", 0x30}, {&(0x7f0000001880)="be933922dbe51fd0b9cefdca07b2e8c06afa554749ec4addab7f21bde059937a08f8fdaf", 0x24}, {&(0x7f00000018c0)="730961d64c28c92c371f3b2bb0913d9ba5491c67378f48b9577056b40056e47138032f53b799964be727113a982d7d5216990e58f9e4c3dd8b", 0x39}, {&(0x7f0000001900)="7e2e775569a375325d643cf0b5a60e98a44fd7f38a17c56b263a93f115463f14c67a9bad41c12a727ba4cbfcd6d7878c1822a05af5a3a4d8cda8f60168258414b082035506021d", 0x47}], 0x6, &(0x7f0000001a00)=[@txtime={{0x18, 0x1, 0x3d, 0x7f}}, @timestamping={{0x14, 0x1, 0x25, 0x200}}, @mark={{0x14, 0x1, 0x24, 0x7}}], 0x48}}, {{&(0x7f0000001a80)=@rc={0x1f, @any, 0x1}, 0x80, &(0x7f0000001c00)=[{&(0x7f0000001b00)="61d7c52668e0f11c5000c54965a5a6adeb43d8e75225ee1280dcfe54ee393934eea49c5acd82eb490c85a9262c68b90ff866867ebc3722180530322ff1f7f9b4847e4b27d861113086bc137909f972cb", 0x50}, {&(0x7f0000001b80)="086e21741224c9c3b4a7bf8e497b0d1142a2040ca58c46ccddcc46e7e004305d63b20a892fc1a2841f8b7edc042a362dfd84f5a9698aa917c6f65e3571796408f96bb1c4f50ae39a", 0x48}], 0x2, &(0x7f0000001c40)=[@txtime={{0x18, 0x1, 0x3d, 0x1a}}, @mark={{0x14, 0x1, 0x24, 0x1}}, @timestamping={{0x14}}, @timestamping={{0x14, 0x1, 0x25, 0x1200}}, @timestamping={{0x14, 0x1, 0x25, 0x7463bdc9}}, @timestamping={{0x14, 0x1, 0x25, 0x9}}, @timestamping={{0x14}}, @txtime={{0x18, 0x1, 0x3d, 0x6}}, @timestamping={{0x14, 0x1, 0x25, 0x819e}}], 0xd8}}, {{&(0x7f0000001d40)=@pppoe={0x18, 0x0, {0x0, @broadcast, 'veth1_vlan\x00'}}, 0x80, &(0x7f0000002100)=[{&(0x7f0000001dc0)="2640363ca341c710fcbd6636c6d865e6140ceea6e5fb00ca2596a98e0a7f71534a65d16c39d35eab0bb28ccdc8e5d20f1ad62903d5", 0x35}, {&(0x7f0000001e00)="341ef08a02f36ade7f8eae8c0799d790df3e4f9ebec0c9458784d3a0df8ac9d7eb547399f6b1d627bd6f868d01d946e2ca5743b3dd0e075d39150a4813c3ea146badaee83659648ceaf92e5c8800a1fe7b836aa38b26b43fb7ebabc939ca8c290efcd6f879ac0b35d8546229e9c9671f60dac83a43781590fd101d31e45e5d41b59e0ed3", 0x84}, {&(0x7f0000001ec0)="db34f01cadf7afe459436fcedc2bf0c22e9152ba860d02bbeb074ce2af20b9b30028b94d691e48513cdffdc3bc5bb1cf6d4076d326e1fd8d9975e1a7995675cf7e8b185bde93a3149c265438eba7de53669a6331ece2b2d96b60d3b1f04e8b448b21a8fd03ec240fc644c043eb4f35f2ecf81662a744c16077ceab0d81716dbd9fb811d791295976b5073873f78c1ff4f8f4039af7dd49f07fbf74b8c0a5e35cadc3f6bbbc92e94d204cee53a424573439480ed15d53274127d4e7", 0xbb}, {&(0x7f0000001f80)="2774ad04e7014e20fb1510027d2e8ae78b479dc61fe7d2f8e3cd24e9c48fef4db2531df8c7e3114fb786c44b2701062aa89d022e8cd8e17410a1c8309060844dbd810f03c9936c79eccc7fb5c7c2d8976a0a7b6a7e6c2abe3952e966e8fc14a909bc08157157eae471b4c675360e8433404532dc2ce38397", 0x78}, {&(0x7f0000002000)="e549876cd322a72ea3b2ef372eda693f5d6aeb8b3375c86607be0713c53dc50a318f76c7d78a46dcf4e951f87c1d27e7b269aa4d3d1624b41f3356efa029ad2817c819c66705", 0x46}, {&(0x7f0000002080)="36cf4efb4408c4cb506973f8f513121e0ae76e5e47515298893cdb1895541b392b3f3d38a459ec3d25ab7e990aca70bab19ca0b792b372b6f67d5e2395aa7f9e1a7b0b31b1d34cda60b571294b378e832dead6b125804a2ef308307e5269c72b74abef6ccf73ad6339634daf17f8daa1cc67c29c", 0x74}], 0x6, &(0x7f0000002180)=[@timestamping={{0x14, 0x1, 0x25, 0x6}}, @mark={{0x14, 0x1, 0x24, 0x7}}, @timestamping={{0x14, 0x1, 0x25, 0x4}}, @timestamping={{0x14, 0x1, 0x25, 0x7ff}}], 0x60}}, {{0x0, 0x0, &(0x7f0000002500)=[{&(0x7f0000002200)="2f6400382c64b0f831fbf7f47599daf42a5f37ce6cd08c883b5d4874f3c03b90b4709ac3c24b2f87313e751d863f55cd4cfe3a2d21ad83cae4e8b3a53ec0e3d3958c1c1edd6c3ea1eeef51fc57246bfec3a996097aff6ca2b899b9d82faf705ffb38092f339419ca07f1174c6d6c9c7437f1658d25da84757736731d47475db04b89de7da573e9c0e8c8749f2a7ae87a1272e477a6d175e4b96cfcef7f6a1722f01210b9bfef16", 0xa7}, {&(0x7f00000022c0)="96eb18b7b589c5c759f733f9e1cc931582a39500c1bfcc9128a1f8e7e226dee6ebefa05bbe143027da8782a1ea944f734a5dcac66c88385c4f33221bf909310bc4bbd05d89f9abe938db606d63e54eeb3a186a43136d01fce2c753c8b8bc6507021fa2255c32a2457402b55aef98847998bd135d6cd2d7f7842192fbbfd93a8e7a413bd7d28a473b35e5ebc3515a2fcf41a4aa5f20caddeec76bbd8232d18865f7b66ed22d5dc0620bd1e59f44d50cf86abb7bc34e29371592fdf1771315ab74a2cf4a869954d0b0fe7f6641194c0a4c23f47951ef349004384bd7ad47", 0xdd}, {&(0x7f00000023c0)}, {&(0x7f0000002400)="377f8b8bb4c83ce891fe1d35b12f7b5d328daeb7d77d15071d994c6e0048f0d8d163943f18fac323693c53102f92b51f6fa756b273f071c04cc048d170e7f7d9644fbc04d556f4f2625bda1cf1f909fa87c91c5b827a7311bf7d022aa38f84890904a42c91488d59cd999214fb7c7e6d6dfe408c5f5ceed1ddcb867bf96bd932e54e441fd549bc270939e2089c95864c8dfc0d58228fa3f5be8a6deaed40c431be4cd8a24ba5e75af6486ff032681c0da29a6ea2d7ad4ea4adbb095bff2ab359c43adb85d05ae7e001c1c526a3201c", 0xcf}], 0x4}}, {{&(0x7f0000002540)=@rxrpc=@in4={0x21, 0x2, 0x2, 0x10, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x1f}}}, 0x80, &(0x7f0000002780)=[{&(0x7f00000025c0)="968f85164ec56b74c1ca95c94b8b8069aa33ce1e3b32ca3159f95a772b404bc5a3d6b20b1417a7d3a5a82733ed0c86ae86a0c83050574ee1f81473bf51e628d8789f48305fcc49472e573c344444277cff21bce3de481801154b44c1387f448d2f3f36159a46e353fc67dc2243a390912483e302db8f3ff9214486a3366f26920eeea02bf4b63d4b087c70c6a470aae7953622f6c308e65790e8b3aa5f9cfd9c00daf4a51ad6487741a3092f17c9f38c36e10ba12d3533aa1244df52d9e0344b0b8b9d478435f17fc70253ff7a7bb5ee3979969c4658dbb20ebb08930af5951894f66c313cd76798", 0xe8}, {&(0x7f00000026c0)="bd26cc29c2c34121b31ca137c25092252e1cef69c1003dc12890700d9176f98d573adcee35236d620f5e8afa5160841cf0f91acc24130a5499fc2af936eedc2b2c0091380134750310cb772279b845edfc40e57742294aeef26866e94cd26f27896ac589f723fe399d010fcbc8ad7071893f90681bf55110f073e28064d8c2939c5957e45b5c67bec2a04f0e1f3b8d66f957f5d20cee561191", 0x99}], 0x2, &(0x7f00000027c0)=[@txtime={{0x18, 0x1, 0x3d, 0x306}}, @timestamping={{0x14, 0x1, 0x25, 0xd428}}, @mark={{0x14, 0x1, 0x24, 0x9}}, @timestamping={{0x14, 0x1, 0x25, 0x5}}, @timestamping={{0x14, 0x1, 0x25, 0x3}}, @timestamping={{0x14, 0x1, 0x25, 0x5}}], 0x90}}, {{0x0, 0x0, &(0x7f0000002c00)=[{&(0x7f0000002880)="29b1a9f02c3d6aa4fee44c09c2fc86beab27fdafb0a6bbd1c1e27d7d70b8d4148f4274167e7ed8949ce61376f8335ba677d729a5b5ca84ec878e0e03606f4a7a45b151112024c0b7e87bc5c362af0f503d2f0c3e31dab80e1d93180a302ef3bf8999cadc15", 0x65}, {&(0x7f0000002900)="42fd476d450a42c608d0b2363749f60d40254bf9457f7dd8442f1ecd84e017ef9df153a3b254c6b5ef60d28b115aaf4fdd64cd44d257977f02667bd84ae719506e76fc5eae1f87a81587626c848c934339bd14bffa134fc4704c223e14da5d333abedda41d87320f73d3da48", 0x6c}, {&(0x7f0000002980)="62c15305dea358acb78762e80894056974fe2fb93b1030b7b40fb202b553df58aca7fd08fe4f0280c3e8bbc1c2380ea35c9ee07ac15cb434ad7ac3f78c4328a446c64287dc9ae7806ac087b73da8d1eb4175f851a4107ea7754083f9b16187fb485b4057bd5d8d6a7e9c3bdf0ffd45b23796e62b0c9f60493f1f6087998962c7c9e7ff44b95098911af26b653fe8441e9861f7744d553bb991060ecfbc5bdcf73f6cbc79fd5b7e84d9624e298de94605fea04a1ae111da75ea0a81068665328fb0adc3bd7c667596", 0xc8}, {&(0x7f0000002a80)="02094e62edd57dfa533605", 0xb}, {&(0x7f0000002ac0)="a793d78969c0e1a7a8a953ea94d28de9b874115dbde411af3432d8e0e30e1ea35d6c761c7502b689603a5015a651fd361f3f4afdc1dbf9b55f02397c21cda39aa9efc8d154677491fd68f54332332ef15110c1cd7d014fca", 0x58}, {&(0x7f0000002b40)="711a445391b35b9e422710d036f8f8385f1cb91cf26f1b1305ac7eb60b401e385ae9883d92fb7a3bc492a80fc914882f09bc7b5efaaaac8faab1d1f9b40c3213591d649247f74672d86715225b3312b6b00116c672f0c950b4d6f306c6ae330907b5d7563c42ef1a15e5a416e07bde75e4062a5048d37b244d3b3371942680337130b725fcb08cf4de576d328d", 0x8d}], 0x6, &(0x7f0000002c80)=[@txtime={{0x18, 0x1, 0x3d, 0xb08e}}, @txtime={{0x18, 0x1, 0x3d, 0x9}}, @txtime={{0x18, 0x1, 0x3d, 0x15}}, @txtime={{0x18, 0x1, 0x3d, 0xb2}}, @txtime={{0x18, 0x1, 0x3d, 0x8}}, @timestamping={{0x14, 0x1, 0x25, 0x9}}], 0x90}}], 0x7, 0x4044000) r4 = socket(0x21, 0x2, 0x401) connect$l2tp6(r4, &(0x7f0000003280)={0xa, 0x0, 0x7, @private0={0xfc, 0x0, [], 0x1}, 0xfff, 0x4}, 0x20) [ 1647.748708][ T29] audit: type=1800 audit(1592265836.805:366): pid=1468 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=16130 res=0 00:03:56 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x40186366, &(0x7f0000000040)={0x0, r0, 0x4}) 00:03:56 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) r1 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) getsockopt$IP_VS_SO_GET_DESTS(r1, 0x0, 0x484, &(0x7f0000000000)=""/70, &(0x7f00000000c0)=0x46) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r3, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) ioctl$EXT4_IOC_PRECACHE_EXTENTS(r3, 0x6612) close(r2) close(r0) socket$inet6_sctp(0xa, 0x1, 0x84) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r5, r4, 0x0, 0x100000fffffffe) getsockopt$nfc_llcp(r4, 0x118, 0x3, &(0x7f0000000100)=""/131, 0x83) [ 1647.854716][ T1465] batman_adv: batadv0: Adding interface: ipvlan726 [ 1647.870310][ T1465] batman_adv: batadv0: The MTU of interface ipvlan726 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 00:03:57 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) socket$tipc(0x1e, 0x5, 0x0) close(r1) close(r0) [ 1647.959063][ T1465] batman_adv: batadv0: Not using interface ipvlan726 (retrying later): interface not active 00:03:57 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x401c5820, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1648.014171][ T29] audit: type=1800 audit(1592265837.065:367): pid=1500 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=16115 res=0 [ 1648.018047][ T1467] batman_adv: batadv0: Adding interface: ipvlan491 00:03:57 executing program 4: r0 = socket$kcm(0x29, 0x1, 0x0) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)) r1 = socket$bt_bnep(0x1f, 0x3, 0x4) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r2, 0x0) accept$unix(r2, &(0x7f0000000000), &(0x7f00000000c0)=0x6e) close(r1) close(r0) [ 1648.128463][ T1467] batman_adv: batadv0: The MTU of interface ipvlan491 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1648.204669][ T1467] batman_adv: batadv0: Not using interface ipvlan491 (retrying later): interface not active [ 1648.247415][ T1466] batman_adv: batadv0: Adding interface: ipvlan384 [ 1648.261709][ T29] audit: type=1800 audit(1592265837.315:368): pid=1513 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=16115 res=0 [ 1648.306485][ T1466] batman_adv: batadv0: The MTU of interface ipvlan384 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1648.383907][ T1466] batman_adv: batadv0: Not using interface ipvlan384 (retrying later): interface not active [ 1648.475855][ T1473] batman_adv: batadv0: Removing interface: ipvlan726 [ 1648.510716][ T1474] batman_adv: batadv0: Removing interface: ipvlan384 00:03:57 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d004a00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:57 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x4020940d, &(0x7f0000000040)={0x0, r0, 0x4}) 00:03:57 executing program 4: r0 = socket$kcm(0x29, 0x4, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) close(r1) close(r0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r3, r2, 0x0, 0x100000fffffffe) setsockopt$kcm_KCM_RECV_DISABLE(r2, 0x119, 0x1, &(0x7f0000000000)=0x6, 0x4) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r5, r4, 0x0, 0x100000fffffffe) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(r4, 0x84, 0x6f, &(0x7f0000000040)={0x0, 0x54, &(0x7f0000000300)=[@in6={0xa, 0x4e23, 0x1, @empty, 0xd85}, @in6={0xa, 0x4e20, 0x5, @initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x6}, @in6={0xa, 0x4e20, 0xfffffc00, @private2={0xfc, 0x2, [], 0x1}, 0x2f}]}, &(0x7f0000000140)=0x10) pipe(&(0x7f0000000100)={0xffffffffffffffff}) r7 = syz_genetlink_get_family_id$tipc2(&(0x7f00000000c0)='TIPCv2\x00') r8 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_NL_BEARER_ENABLE(r8, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000280)={0x6c, r7, 0xc573de0d27bdfe6f, 0x0, 0x0, {}, [@TIPC_NLA_BEARER={0x58, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_NAME={0xd, 0x1, @udp='udp:syz0\x00'}, @TIPC_NLA_BEARER_UDP_OPTS={0x44, 0x4, {{0x4, 0x1, @in6={0xf, 0x0, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}}}, {0x20, 0x2, @in6={0xa, 0x0, 0x0, @remote}}}}]}]}, 0x6c}}, 0x0) sendmsg$TIPC_NL_BEARER_SET(r6, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x74, r7, 0x400, 0x70bd2c, 0x25dfdbff, {}, [@TIPC_NLA_NET={0x20, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_ID={0x8, 0x1, 0x52af}, @TIPC_NLA_NET_ID={0x8}, @TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0x8}]}, @TIPC_NLA_MEDIA={0x40, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'eth\x00'}, @TIPC_NLA_MEDIA_PROP={0x1c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0x4}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x7fffffff}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x4e36}]}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}, @TIPC_NLA_MEDIA_NAME={0x7, 0x1, 'ib\x00'}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'eth\x00'}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x48094}, 0x20008801) [ 1648.553341][ T1475] batman_adv: batadv0: Adding interface: ipvlan492 [ 1648.562004][ T1475] batman_adv: batadv0: The MTU of interface ipvlan492 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. [ 1648.589534][ T1475] batman_adv: batadv0: Not using interface ipvlan492 (retrying later): interface not active [ 1648.754258][ T1524] batman_adv: batadv0: Adding interface: ipvlan384 [ 1648.769663][ T29] audit: type=1800 audit(1592265837.825:369): pid=1565 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=16036 res=0 [ 1648.772514][ T1524] batman_adv: batadv0: The MTU of interface ipvlan384 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. [ 1648.906114][ T1524] batman_adv: batadv0: Not using interface ipvlan384 (retrying later): interface not active [ 1648.931117][ T1552] tipc: Invalid UDP bearer configuration [ 1648.931154][ T1552] tipc: Enabling of bearer rejected, failed to enable media [ 1648.991937][ T1564] batman_adv: batadv0: Adding interface: ipvlan493 [ 1649.007346][ T1564] batman_adv: batadv0: The MTU of interface ipvlan493 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. [ 1649.045425][ T1564] batman_adv: batadv0: Not using interface ipvlan493 (retrying later): interface not active [ 1649.061034][ T1570] batman_adv: batadv0: Removing interface: ipvlan493 00:03:58 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d00a700"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:58 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008100500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:58 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x40286608, &(0x7f0000000040)={0x0, r0, 0x4}) 00:03:58 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, 0xffffffffffffffff, 0x0) r2 = syz_genetlink_get_family_id$batadv(&(0x7f0000000000)='batadv\x00') r3 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r3, 0x8933, &(0x7f0000000100)={'batadv0\x00', 0x0}) sendmsg$BATADV_CMD_GET_MCAST_FLAGS(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000200)=ANY=[@ANYBLOB="1c000000", @ANYRES32=r3, @ANYBLOB="01030000000000f9b77ea2bbc87e9643a13733943ebee017bba21c4a590810b300000005000000f45000000000000080019e7c48669334643be6d8a164bcef687081bf33c8ba2201e3", @ANYRES32=r4, @ANYBLOB], 0x1c}}, 0x0) r5 = socket$nl_route(0x10, 0x3, 0x0) r6 = socket(0x22, 0x1, 0x0) getsockname$packet(r6, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=ANY=[@ANYBLOB="5c0000001000030400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000002c00128009000100766c616e000000001c00028006000100000e00000c0002000e0000000a0000000400038008000500", @ANYRES32=r7, @ANYRESDEC, @ANYBLOB="e37ee6199e7ec69d49d42a47d885f287c465f7417fa7594b6353025b0f4c6dcbaff865b7deb4c05e5d66d8e640da67ef46a43f02e50c7a726b77a2b6477dcdd9abbc311718f04ead15e2079a35e7ddb0b597670fdc66ef004102d8d93ae7c9149a7a13668668cc55d66024cc121bb9d4df0a6622cd4ac8d46885f9ee562a6937f42e57801378ff7d42556c"], 0x5c}}, 0x0) sendmsg$BATADV_CMD_GET_VLAN(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x80000000}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r7}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0xc040}, 0x8050) bpf$PROG_LOAD(0x5, &(0x7f000000d000)={0x3, 0x3, &(0x7f0000008000)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x63, 0x7}}, &(0x7f0000014ff5)='GPL\x00', 0x2, 0x1000, &(0x7f0000000e40)=""/4088, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0x1eb}, 0x48) close(r1) close(r0) r8 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r8, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r8, 0x0) setsockopt$IPT_SO_SET_ADD_COUNTERS(r8, 0x0, 0x41, &(0x7f0000000000)={'security\x00', 0x3, [{}, {}, {}]}, 0x58) 00:03:58 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d483500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1649.192996][ T1593] EXT4-fs warning (device sda1): ext4_group_add:1658: No reserved GDT blocks, can't resize 00:03:58 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008600500", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) [ 1649.277320][ T29] audit: type=1800 audit(1592265838.335:370): pid=1603 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=16210 res=0 [ 1649.287302][ T1603] EXT4-fs warning (device sda1): ext4_group_add:1658: No reserved GDT blocks, can't resize 00:03:58 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x40305828, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1649.413671][ T1595] batman_adv: batadv0: Adding interface: ipvlan385 [ 1649.433392][ T1595] batman_adv: batadv0: The MTU of interface ipvlan385 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. [ 1649.461807][ T1595] batman_adv: batadv0: Not using interface ipvlan385 (retrying later): interface not active [ 1649.507262][ T1605] batman_adv: batadv0: Adding interface: ipvlan726 [ 1649.530261][ T1605] batman_adv: batadv0: The MTU of interface ipvlan726 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. [ 1649.563294][ T29] audit: type=1800 audit(1592265838.615:371): pid=1626 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=16194 res=0 [ 1649.593909][ T1605] batman_adv: batadv0: Not using interface ipvlan726 (retrying later): interface not active 00:03:58 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x40305829, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1649.633423][ T1607] batman_adv: batadv0: Removing interface: ipvlan385 [ 1649.689765][ T1611] batman_adv: batadv0: Removing interface: ipvlan726 00:03:58 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r1, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) close(0xffffffffffffffff) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) close(r2) close(r0) ioctl$sock_inet_SIOCADDRT(0xffffffffffffffff, 0x890b, &(0x7f00000000c0)={0x0, {0x2, 0x4e24, @remote}, {0x2, 0x4e21, @loopback}, {0x2, 0x4e23, @remote}, 0x22, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)='bond0\x00', 0xf0, 0xe3, 0x6}) [ 1649.782134][ T29] audit: type=1800 audit(1592265838.835:372): pid=1642 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=16194 res=0 [ 1649.805403][ T1615] __nla_validate_parse: 36 callbacks suppressed [ 1649.805411][ T1615] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1649.876253][ T1564] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 00:03:59 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d006800"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:59 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x4030582a, &(0x7f0000000040)={0x0, r0, 0x4}) 00:03:59 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r1, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r3, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) sendmsg$NFT_MSG_GETCHAIN(r3, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8, 0x0, 0x0, 0x4044040}, 0x0) close(r2) close(r0) [ 1650.012739][ T1663] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1650.093645][ T1666] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1650.126266][ T29] audit: type=1800 audit(1592265839.185:373): pid=1674 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=16376 res=0 [ 1650.207727][ T1667] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1650.274969][ T1670] batman_adv: batadv0: Adding interface: ipvlan385 [ 1650.298161][ T1670] batman_adv: batadv0: The MTU of interface ipvlan385 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1650.358081][ T1670] batman_adv: batadv0: Not using interface ipvlan385 (retrying later): interface not active [ 1650.399197][ T1681] batman_adv: batadv0: Adding interface: ipvlan726 [ 1650.416742][ T1681] batman_adv: batadv0: The MTU of interface ipvlan726 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1650.449271][ T1681] batman_adv: batadv0: Not using interface ipvlan726 (retrying later): interface not active [ 1650.480943][ T1683] batman_adv: batadv0: Adding interface: ipvlan493 00:03:59 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 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) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d01a700"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:03:59 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000600", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:59 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r1, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$sock_SIOCGIFVLAN_GET_VLAN_EGRESS_PRIORITY_CMD(r2, 0x8982, &(0x7f0000000000)) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r4, r3, 0x0, 0x100000fffffffe) bpf$OBJ_PIN_PROG(0x6, &(0x7f00000000c0)={&(0x7f0000000040)='./file0\x00', r3}, 0x10) sendmsg$NFT_MSG_GETCHAIN(r2, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) close(r5) close(r0) 00:03:59 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x4030582b, &(0x7f0000000040)={0x0, r0, 0x4}) 00:03:59 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d4c3500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1650.494159][ T1683] batman_adv: batadv0: The MTU of interface ipvlan493 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. [ 1650.521960][ T1683] batman_adv: batadv0: Not using interface ipvlan493 (retrying later): interface not active [ 1650.560034][ T1694] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1650.606703][ T1694] batman_adv: batadv0: Removing interface: ipvlan493 [ 1650.684871][ T1724] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1650.701564][ T29] audit: type=1800 audit(1592265839.755:374): pid=1732 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=16373 res=0 00:03:59 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x40305839, &(0x7f0000000040)={0x0, r0, 0x4}) 00:03:59 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000900", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:03:59 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) close(r0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r3, r2, 0x0, 0x100000fffffffe) r4 = socket(0x18, 0x0, 0x0) close(r4) r5 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r5, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @rand_addr=' \x01\x00'}], 0x1c) accept$unix(r2, &(0x7f0000000200)=@abs, &(0x7f0000000280)=0x6e) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp6_SCTP_CONTEXT(r4, 0x84, 0x11, &(0x7f0000000000)={r6}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_STATUS(r2, 0x84, 0xe, &(0x7f00000000c0)={r6, 0x6, 0x401, 0x20, 0x81, 0x70b, 0x100, 0x1000, {0x0, @in={{0x2, 0x4e22, @broadcast}}, 0x6, 0xee, 0x8, 0x170f, 0x2}}, &(0x7f0000000000)=0xb0) setsockopt$inet_sctp_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000000040)=@sack_info={r7, 0x1, 0x8}, 0xc) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) close(r8) close(r0) [ 1650.794874][ T1730] batman_adv: batadv0: Adding interface: ipvlan386 [ 1650.829296][ T1730] batman_adv: batadv0: The MTU of interface ipvlan386 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. [ 1650.896552][ T1730] batman_adv: batadv0: Not using interface ipvlan386 (retrying later): interface not active [ 1650.921274][ T1729] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1650.936832][ T29] audit: type=1804 audit(1592265839.995:375): pid=1756 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir004166754/syzkaller.QAqwOz/2818/cgroup.controllers" dev="sda1" ino=16373 res=1 00:04:00 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x40806685, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1651.013382][ T29] audit: type=1800 audit(1592265840.065:376): pid=1762 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=16372 res=0 [ 1651.047743][ T1733] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1651.084897][ T1733] batman_adv: batadv0: Removing interface: ipvlan386 [ 1651.149945][ T1738] batman_adv: batadv0: Adding interface: ipvlan727 [ 1651.156762][ T1738] batman_adv: batadv0: The MTU of interface ipvlan727 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1651.229620][ T1738] batman_adv: batadv0: Not using interface ipvlan727 (retrying later): interface not active [ 1651.262803][ T1750] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1651.299430][ T1750] batman_adv: batadv0: Removing interface: ipvlan727 [ 1651.553913][ T1794] batman_adv: batadv0: Adding interface: ipvlan386 [ 1651.561551][ T1794] batman_adv: batadv0: The MTU of interface ipvlan386 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1651.590766][ T1794] batman_adv: batadv0: Not using interface ipvlan386 (retrying later): interface not active 00:04:00 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x6609, &(0x7f0000000040)={0x0, r0, 0x4}) 00:04:00 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000a00", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:04:00 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d004a00"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1651.653392][ T1724] batman_adv: batadv0: Removing interface: ipvlan386 [ 1651.836140][ T1821] batman_adv: batadv0: Adding interface: ipvlan493 [ 1651.843404][ T1821] batman_adv: batadv0: The MTU of interface ipvlan493 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. [ 1651.872975][ T1821] batman_adv: batadv0: Not using interface ipvlan493 (retrying later): interface not active 00:04:00 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d02a700"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:04:00 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r1, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r2, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) close(r2) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) socket$inet6(0xa, 0xa, 0x7) close(r3) close(r0) 00:04:00 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000b00", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:04:00 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x80086301, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1651.889538][ T1827] batman_adv: batadv0: Removing interface: ipvlan493 [ 1652.103292][ T1855] batman_adv: batadv0: Adding interface: ipvlan727 [ 1652.115357][ T1855] batman_adv: batadv0: The MTU of interface ipvlan727 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. 00:04:01 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d603500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:04:01 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008001100", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:04:01 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r1, r0, 0x0, 0x100000fffffffe) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETCHAIN(r2, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) getsockopt$SO_COOKIE(r2, 0x1, 0x39, &(0x7f0000000040), &(0x7f00000000c0)=0x8) setsockopt$RDS_CANCEL_SENT_TO(r0, 0x114, 0x1, &(0x7f0000000000)={0x2, 0x4e24, @multicast2}, 0x10) r3 = socket$kcm(0x29, 0x2, 0x0) close(r3) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) close(r4) close(r3) ioctl$TUNSETLINK(r0, 0x400454cd, 0x33a) 00:04:01 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x80086601, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1652.165207][ T1855] batman_adv: batadv0: Not using interface ipvlan727 (retrying later): interface not active [ 1652.183019][ T1846] batman_adv: batadv0: Removing interface: ipvlan727 [ 1652.249893][ T1877] netlink: 'syz-executor.5': attribute type 17 has an invalid length. 00:04:01 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) close(r0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendfile(r2, r1, 0x0, 0x100000fffffffe) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x1, 0x803, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) setsockopt$packet_rx_ring(r4, 0x107, 0x5, &(0x7f0000000b00)=@req={0x0, 0x3, 0x6, 0xe20}, 0x10) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000400)=ANY=[@ANYBLOB="5c0000001000030400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000002c00128009000100766c616e000000001c00028006000100000e00000c0002000e0000000a0000000400038008000500", @ANYRES32=r5, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r5], 0x5c}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000ac0)={&(0x7f0000000a00)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000a80)={&(0x7f0000000a40)=@getqdisc={0x38, 0x26, 0x400, 0x70bd2d, 0x25dfdbff, {0x0, 0x0, 0x0, r5, {0xa, 0x6}, {0xfff3, 0x8}, {0xffe0, 0x10}}, [{0x4}, {0x4}, {0x4}, {0x4}, {0x4}]}, 0x38}}, 0x8000) unshare(0x80) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) getpeername(0xffffffffffffffff, &(0x7f0000000000)=@rc={0x1f, @none}, &(0x7f00000000c0)=0x80) close(r7) close(r0) r8 = socket$nl_netfilter(0x10, 0x3, 0xc) getsockopt$SO_TIMESTAMPING(r6, 0x1, 0x25, &(0x7f0000000980), &(0x7f00000009c0)=0x4) sendmsg$NFT_MSG_GETCHAIN(r8, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x8}, 0x0) sendmsg$NFT_MSG_GETSET(r8, &(0x7f0000000940)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000900)={&(0x7f0000000140)={0x7c0, 0xa, 0xa, 0x5, 0x0, 0x0, {0x0, 0x0, 0x6}, [@NFTA_SET_NAME={0x9, 0x2, 'syz0\x00'}, @NFTA_SET_FLAGS={0x8, 0x3, 0x1, 0x0, 0x6}, @NFTA_SET_DESC={0x2bc, 0x9, 0x0, 0x1, [@NFTA_SET_DESC_CONCAT={0xcc, 0x2, 0x0, 0x1, [{0x54, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x6}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x7f}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x5}, @NFTA_SET_FIELD_LEN={0x8}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1f}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xff}]}, {0x4}, {0x14, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x9}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x8}]}, {0x24, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1}, @NFTA_SET_FIELD_LEN={0x8}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xfffffffa}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x7}]}, {0x24, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x6}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x6}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x40}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x100}]}, {0x14, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x7fff}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xd20c99}]}]}, @NFTA_SET_DESC_SIZE={0x8, 0x1, 0x1, 0x0, 0x3ff}, @NFTA_SET_DESC_SIZE={0x8, 0x1, 0x1, 0x0, 0x4}, @NFTA_SET_DESC_CONCAT={0x24, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x3}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x5d8d}]}, {0xc, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x401}]}]}, @NFTA_SET_DESC_SIZE={0x8, 0x1, 0x1, 0x0, 0x80000000}, @NFTA_SET_DESC_CONCAT={0x11c, 0x2, 0x0, 0x1, [{0x3c, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x2635}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x45}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xffffffff}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x3}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x10001}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x6}]}, {0x14, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xfc1f}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1}]}, {0xc, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x800}]}, {0x4c, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x6}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x80000000}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x4}, @NFTA_SET_FIELD_LEN={0x8}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x4}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x6}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xfffffffe}, @NFTA_SET_FIELD_LEN={0x8}, @NFTA_SET_FIELD_LEN={0x8}]}, {0x3c, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x7}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x10000}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xdbb}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x10000}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xff}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x3}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xffffffff}]}, {0x1c, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x2}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x6a}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x2}]}, {0xc, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x2ff}]}, {0xc, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x101}]}]}, @NFTA_SET_DESC_SIZE={0x8, 0x1, 0x1, 0x0, 0xe6}, @NFTA_SET_DESC_SIZE={0x8, 0x1, 0x1, 0x0, 0x11}, @NFTA_SET_DESC_CONCAT={0x84, 0x2, 0x0, 0x1, [{0x3c, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x3}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x2}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xffffff6f}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x3}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x4}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x62c}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x8001}]}, {0x1c, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x7fffffff}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x3f40000}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x7}]}, {0x14, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x3ff}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1}]}, {0x14, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x2}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x7}]}]}]}, @NFTA_SET_DESC={0x4b8, 0x9, 0x0, 0x1, [@NFTA_SET_DESC_CONCAT={0x94, 0x2, 0x0, 0x1, [{0x2c, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x5}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x8}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x2}, @NFTA_SET_FIELD_LEN={0x8}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1}]}, {0x24, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xd3}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xb72}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x20}]}, {0xc, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x7}]}, {0x34, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xe31}, @NFTA_SET_FIELD_LEN={0x8}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x695}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x7f}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x800}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1000}]}]}, @NFTA_SET_DESC_CONCAT={0xc4, 0x2, 0x0, 0x1, [{0x34, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xffffffff}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x6}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x8}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1ff}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x5}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x2}]}, {0x2c, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x80000001}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xffffffc1}, @NFTA_SET_FIELD_LEN={0x8}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x80000000}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1}]}, {0x3c, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x3}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x7}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xb69}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x8}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x6}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x2}]}, {0x24, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x81}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x63f6}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x10000}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x5e5a}]}]}, @NFTA_SET_DESC_SIZE={0x8, 0x1, 0x1, 0x0, 0x101}, @NFTA_SET_DESC_CONCAT={0x14c, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xd67}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x9}, @NFTA_SET_FIELD_LEN={0x8}]}, {0x1c, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x9}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x3}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x7f}]}, {0x2c, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x4}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1f}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x6}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1000}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x12dc}]}, {0x1c, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x3}, @NFTA_SET_FIELD_LEN={0x8}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x10001}]}, {0xc, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x4}]}, {0xc, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x101}]}, {0xc, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1ff}]}, {0x24, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xeab}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x8}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xa021}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x8}]}, {0x34, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x6}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x30d6}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xfffffffc}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x800}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xff}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xd72c}]}, {0x4c, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x8}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x132}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xd5}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xfffffa9c}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x5}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x80000000}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1f}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1}]}]}, @NFTA_SET_DESC_CONCAT={0x28, 0x2, 0x0, 0x1, [{0x24, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x101}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x7fff}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x81}]}]}, @NFTA_SET_DESC_SIZE={0x8, 0x1, 0x1, 0x0, 0x8}, @NFTA_SET_DESC_CONCAT={0x184, 0x2, 0x0, 0x1, [{0x34, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x5e9}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x3}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x9}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x2}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x9}]}, {0x24, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x7}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x20}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x3}]}, {0x44, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xffffff56}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1f}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x7}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x5}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x7}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x6}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x3a4c}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x2}]}, {0x1c, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x6}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xfffff997}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x6}]}, {0x24, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x5}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x8000}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x5}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x80000000}]}, {0x54, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x9}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x8}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x9}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x812}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x6a}, @NFTA_SET_FIELD_LEN={0x8}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x4}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x9}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x7}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x200}]}, {0x44, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x69dc}, @NFTA_SET_FIELD_LEN={0x8}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x786}, @NFTA_SET_FIELD_LEN={0x8}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x3}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x80000000}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x6a1d5ef8}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0xb6}]}, {0xc, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x5}]}]}, @NFTA_SET_DESC_CONCAT={0x4c, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x5}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x5}]}, {0xc, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x5}]}, {0xc, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8}]}, {0x1c, 0x1, 0x0, 0x1, [@NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x5eeb}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x1000}, @NFTA_SET_FIELD_LEN={0x8, 0x1, 0x1, 0x0, 0x7}]}]}, @NFTA_SET_DESC_SIZE={0x8, 0x1, 0x1, 0x0, 0x4}]}, @NFTA_SET_TIMEOUT={0xc, 0xb, 0x1, 0x0, 0x20}, @NFTA_SET_EXPR={0x18, 0x11, 0x0, 0x1, @osf={{0x8, 0x1, 'osf\x00'}, @val={0xc, 0x2, 0x0, 0x1, [@NFTA_OSF_DREG={0x8, 0x1, 0x1, 0x0, 0x10}]}}}]}, 0x7c0}, 0x1, 0x0, 0x0, 0x82}, 0x8000) 00:04:01 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008001200", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:04:01 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x80086603, &(0x7f0000000040)={0x0, r0, 0x4}) [ 1652.446392][ T1884] batman_adv: batadv0: Adding interface: ipvlan386 [ 1652.464829][ T1884] batman_adv: batadv0: The MTU of interface ipvlan386 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. [ 1652.499781][ T1884] batman_adv: batadv0: Not using interface ipvlan386 (retrying later): interface not active [ 1652.529563][ T1827] batman_adv: batadv0: Adding interface: ipvlan493 00:04:01 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d006800"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) [ 1652.536604][ T1827] batman_adv: batadv0: The MTU of interface ipvlan493 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. [ 1652.564679][ T1827] batman_adv: batadv0: Not using interface ipvlan493 (retrying later): interface not active [ 1652.590267][ T1881] batman_adv: batadv0: Removing interface: ipvlan386 [ 1652.827190][ T1917] batman_adv: batadv0: Adding interface: ipvlan494 [ 1652.845533][ T1917] batman_adv: batadv0: The MTU of interface ipvlan494 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. [ 1652.896145][ T1917] batman_adv: batadv0: Not using interface ipvlan494 (retrying later): interface not active 00:04:02 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d03a700"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:04:02 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008061200", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:04:02 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_MOVE_EXT(r1, 0x80087601, &(0x7f0000000040)={0x0, r0, 0x4}) 00:04:02 executing program 4: r0 = socket$kcm(0x29, 0x7, 0x0) close(r0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) close(r1) close(r0) getsockopt$IP_VS_SO_GET_VERSION(r0, 0x0, 0x480, &(0x7f0000000000), &(0x7f0000000040)=0x40) [ 1652.960159][ T1927] batman_adv: batadv0: Adding interface: ipvlan727 [ 1652.967563][ T1927] batman_adv: batadv0: The MTU of interface ipvlan727 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. [ 1652.993192][ T1927] batman_adv: batadv0: Not using interface ipvlan727 (retrying later): interface not active [ 1653.095018][ T1926] batman_adv: batadv0: Adding interface: ipvlan495 [ 1653.126168][ T29] kauditd_printk_skb: 4 callbacks suppressed [ 1653.126178][ T29] audit: type=1800 audit(1592265842.186:381): pid=1943 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=16377 res=0 [ 1653.135764][ T1926] batman_adv: batadv0: The MTU of interface ipvlan495 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. [ 1653.265115][ T1926] batman_adv: batadv0: Not using interface ipvlan495 (retrying later): interface not active [ 1653.397552][ T1950] batman_adv: batadv0: Adding interface: ipvlan386 [ 1653.412650][ T1950] batman_adv: batadv0: The MTU of interface ipvlan386 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. [ 1653.455535][ T1950] batman_adv: batadv0: Not using interface ipvlan386 (retrying later): interface not active 00:04:02 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000980)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) r5 = socket(0x1, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r5, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008000500", @ANYRES32=r6, @ANYBLOB='\b\x00\n\x00', @ANYRES32=r7], 0x44}}, 0x0) r8 = socket$packet(0x11, 0x2, 0x300) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYBLOB="4400000011000d683500"/20, @ANYRES32=r9], 0x44}, 0x1, 0xc00000000000000}, 0x0) 00:04:02 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="440000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000140012800b0001006970766c616e00000400028008001300", @ANYRES32, @ANYBLOB='\b\x00\n\x00', @ANYRES32], 0x44}}, 0x0) 00:04:02 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) close(r0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) close(r1) close(r0) 00:04:02 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='cpuset.effective_mems\x00', 0x275a, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f00000000c0)={0x20}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xfe6f) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='cgroup.controllers\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000400)=ANY=[], 0x200600) ioctl$EXT4_IOC_M