_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) [ 1396.624390][T18766] batman_adv: batadv0: Adding interface: veth465 [ 1396.644772][T18766] batman_adv: batadv0: The MTU of interface veth465 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1396.689338][T18766] batman_adv: batadv0: Not using interface veth465 (retrying later): interface not active [ 1396.806927][T18753] batman_adv: batadv0: Adding interface: veth453 [ 1396.839779][T18753] batman_adv: batadv0: The MTU of interface veth453 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:32:47 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) [ 1396.983383][T18753] batman_adv: batadv0: Not using interface veth453 (retrying later): interface not active 07:32:47 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011002004000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:47 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000000a002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:47 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280a000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:47 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000e11000d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:47 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0xa3}, 0x28) 07:32:47 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) 07:32:47 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) [ 1397.497403][T18831] batman_adv: batadv0: Adding interface: veth467 [ 1397.505906][T18831] batman_adv: batadv0: The MTU of interface veth467 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1397.539936][T18831] batman_adv: batadv0: Not using interface veth467 (retrying later): interface not active 07:32:48 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) [ 1397.607270][T18836] batman_adv: batadv0: Adding interface: veth455 [ 1397.621338][T18836] batman_adv: batadv0: The MTU of interface veth455 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1397.673041][T18836] batman_adv: batadv0: Not using interface veth455 (retrying later): interface not active 07:32:48 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0xa4}, 0x28) 07:32:48 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) 07:32:48 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0xa5}, 0x28) 07:32:48 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000001011000d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:48 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011004004000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:48 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000000f002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:48 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280c000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:48 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) 07:32:48 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) [ 1398.408488][T18887] batman_adv: batadv0: Adding interface: veth469 [ 1398.437507][T18887] batman_adv: batadv0: The MTU of interface veth469 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:32:49 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) [ 1398.532450][T18887] batman_adv: batadv0: Not using interface veth469 (retrying later): interface not active [ 1398.565692][T18879] batman_adv: batadv0: Adding interface: veth457 [ 1398.582227][T18879] batman_adv: batadv0: The MTU of interface veth457 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:32:49 executing program 5: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) [ 1398.694529][T18879] batman_adv: batadv0: Not using interface veth457 (retrying later): interface not active 07:32:49 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011004604000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:49 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000004811000d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:49 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000014002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:49 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0xa6}, 0x28) 07:32:49 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280e000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:49 executing program 5: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) 07:32:49 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0xa7}, 0x28) 07:32:49 executing program 5: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) 07:32:49 executing program 5: perf_event_open(&(0x7f0000000100)={0x0, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) [ 1399.301228][T18938] batman_adv: batadv0: Adding interface: veth471 [ 1399.309019][T18938] batman_adv: batadv0: The MTU of interface veth471 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:32:50 executing program 5: perf_event_open(&(0x7f0000000100)={0x0, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) [ 1399.413452][T18938] batman_adv: batadv0: Not using interface veth471 (retrying later): interface not active [ 1399.476580][T18941] batman_adv: batadv0: Adding interface: veth459 [ 1399.505050][T18941] batman_adv: batadv0: The MTU of interface veth459 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:32:50 executing program 5: perf_event_open(&(0x7f0000000100)={0x0, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) [ 1399.596925][T18941] batman_adv: batadv0: Not using interface veth459 (retrying later): interface not active 07:32:50 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2810000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1399.731262][T18934] __nla_validate_parse: 33 callbacks suppressed [ 1399.731278][T18934] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 07:32:50 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0xa8}, 0x28) [ 1399.829361][T18982] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:32:50 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000004c11000d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:50 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="200000001107cf04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:50 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) 07:32:50 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000025002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1399.975443][T18998] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 07:32:50 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) [ 1400.099101][T19001] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:32:50 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) [ 1400.191198][T18984] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1400.223975][T19004] batman_adv: batadv0: Adding interface: veth473 07:32:50 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0xa9}, 0x28) [ 1400.244928][T19004] batman_adv: batadv0: The MTU of interface veth473 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:32:50 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2848000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1400.357946][T19004] batman_adv: batadv0: Not using interface veth473 (retrying later): interface not active [ 1400.398709][T19006] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 07:32:51 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) [ 1400.518550][T19014] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1400.562770][T19018] batman_adv: batadv0: Adding interface: veth461 [ 1400.583762][T19018] batman_adv: batadv0: The MTU of interface veth461 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:32:51 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x0, 0x20000000000001, 0x0, &(0x7f0000000100)) [ 1400.685873][T19018] batman_adv: batadv0: Not using interface veth461 (retrying later): interface not active [ 1400.729892][T19004] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1400.761298][T19036] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:32:51 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0xaa}, 0x28) 07:32:51 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x0, 0x20000000000001, 0x0, &(0x7f0000000100)) [ 1400.868416][T19001] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:32:51 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000006011000d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:51 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011001004000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:51 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000002f002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:51 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="284c000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:51 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x0, 0x20000000000001, 0x0, &(0x7f0000000100)) [ 1401.117418][T19064] batman_adv: batadv0: Adding interface: veth475 [ 1401.135839][T19064] batman_adv: batadv0: The MTU of interface veth475 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1401.209173][T19064] batman_adv: batadv0: Not using interface veth475 (retrying later): interface not active 07:32:51 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0xab}, 0x28) 07:32:51 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) [ 1401.432346][T19078] batman_adv: batadv0: Adding interface: veth463 [ 1401.439170][T19078] batman_adv: batadv0: The MTU of interface veth463 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:32:52 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) [ 1401.557134][T19078] batman_adv: batadv0: Not using interface veth463 (retrying later): interface not active 07:32:52 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000073002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:52 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) 07:32:52 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2860000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:52 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011001204000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:52 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000006811000d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:52 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0xac}, 0x28) 07:32:52 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, 0x0) 07:32:52 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0xad}, 0x28) [ 1402.091543][T19133] batman_adv: batadv0: Adding interface: veth477 [ 1402.103798][T19133] batman_adv: batadv0: The MTU of interface veth477 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:32:52 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010022508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:52 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, 0x0) [ 1402.219044][T19133] batman_adv: batadv0: Not using interface veth477 (retrying later): interface not active [ 1402.310235][T19149] batman_adv: batadv0: Adding interface: veth465 [ 1402.327366][T19149] batman_adv: batadv0: The MTU of interface veth465 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:32:53 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, 0x0) [ 1402.457387][T19149] batman_adv: batadv0: Not using interface veth465 (retrying later): interface not active 07:32:53 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0xae}, 0x28) 07:32:53 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2868000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:53 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011004604000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:53 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000006c11000d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:53 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) 07:32:53 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010032508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:53 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0xaf}, 0x28) 07:32:53 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) 07:32:53 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="286c000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1402.968787][T19214] batman_adv: batadv0: Adding interface: veth479 [ 1402.992344][T19214] batman_adv: batadv0: The MTU of interface veth479 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1403.099223][T19214] batman_adv: batadv0: Not using interface veth479 (retrying later): interface not active 07:32:53 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) [ 1403.253677][T19222] batman_adv: batadv0: Adding interface: veth467 [ 1403.260095][T19222] batman_adv: batadv0: The MTU of interface veth467 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1403.371681][T19222] batman_adv: batadv0: Not using interface veth467 (retrying later): interface not active 07:32:54 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) 07:32:54 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0xb0}, 0x28) 07:32:54 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d02000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:54 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000007411000d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:54 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2874000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:54 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010042508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:54 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) 07:32:54 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0xb1}, 0x28) [ 1404.026283][T19273] batman_adv: batadv0: Adding interface: veth481 [ 1404.042387][T19273] batman_adv: batadv0: The MTU of interface veth481 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1404.149768][T19273] batman_adv: batadv0: Not using interface veth481 (retrying later): interface not active 07:32:54 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1404.355047][T19282] batman_adv: batadv0: Removing interface: veth481 [ 1404.459624][T19274] batman_adv: batadv0: Adding interface: veth469 [ 1404.472760][T19274] batman_adv: batadv0: The MTU of interface veth469 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1404.574973][T19274] batman_adv: batadv0: Not using interface veth469 (retrying later): interface not active 07:32:55 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000007a11000d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:55 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0xb2}, 0x28) 07:32:55 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="287a000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1404.764499][T19286] __nla_validate_parse: 38 callbacks suppressed [ 1404.764513][T19286] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:32:55 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) [ 1404.833577][T19329] batman_adv: batadv0: Adding interface: veth481 [ 1404.855766][T19329] batman_adv: batadv0: The MTU of interface veth481 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:32:55 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010052508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1404.998657][T19329] batman_adv: batadv0: Not using interface veth481 (retrying later): interface not active [ 1405.066954][T19332] batman_adv: batadv0: Removing interface: veth481 [ 1405.132044][T19339] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1405.190618][T19340] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1405.315925][T19348] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1405.369749][T19350] batman_adv: batadv0: Adding interface: veth471 [ 1405.377582][T19350] batman_adv: batadv0: The MTU of interface veth471 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1405.481003][T19350] batman_adv: batadv0: Not using interface veth471 (retrying later): interface not active [ 1405.531659][T19340] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1405.559795][T19343] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 07:32:56 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:56 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) 07:32:56 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0xb3}, 0x28) [ 1405.581338][T19348] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:32:56 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28f0000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:56 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010062508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:56 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000020000d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:56 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x102}, 0x28) 07:32:56 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) [ 1405.872647][T19391] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1405.908703][T19388] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1406.038316][T19392] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:32:56 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1406.198255][T19397] batman_adv: batadv0: Adding interface: veth481 [ 1406.231174][T19397] batman_adv: batadv0: The MTU of interface veth481 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1406.328206][T19397] batman_adv: batadv0: Not using interface veth481 (retrying later): interface not active [ 1406.488408][T19400] batman_adv: batadv0: Adding interface: veth473 [ 1406.509537][T19400] batman_adv: batadv0: The MTU of interface veth473 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1406.545488][T19400] batman_adv: batadv0: Not using interface veth473 (retrying later): interface not active [ 1406.588347][T19404] batman_adv: batadv0: Removing interface: veth481 07:32:57 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) socket$kcm(0x11, 0x200000000000002, 0x300) 07:32:57 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d05000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:57 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x103}, 0x28) 07:32:57 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) socket$kcm(0x11, 0x200000000000002, 0x300) 07:32:57 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800030010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:57 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010072508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:57 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000040000d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:57 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(0xffffffffffffffff, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1407.396808][T19484] batman_adv: batadv0: Adding interface: veth483 [ 1407.418153][T19484] batman_adv: batadv0: The MTU of interface veth483 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:32:58 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x104}, 0x28) 07:32:58 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(0xffffffffffffffff, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1407.557925][T19484] batman_adv: batadv0: Not using interface veth483 (retrying later): interface not active [ 1407.645639][T19494] batman_adv: batadv0: Removing interface: veth483 07:32:58 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(0xffffffffffffffff, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1407.768907][T19504] batman_adv: batadv0: Adding interface: veth475 [ 1407.787932][T19504] batman_adv: batadv0: The MTU of interface veth475 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1407.884915][T19504] batman_adv: batadv0: Not using interface veth475 (retrying later): interface not active 07:32:58 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) 07:32:58 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010082508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1408.053329][T19494] batman_adv: batadv0: Adding interface: veth483 [ 1408.059714][T19494] batman_adv: batadv0: The MTU of interface veth483 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1408.137505][T19494] batman_adv: batadv0: Not using interface veth483 (retrying later): interface not active [ 1408.165462][T19537] batman_adv: batadv0: Removing interface: veth483 07:32:59 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d06000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:59 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800050010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:59 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000048000d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:32:59 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x108}, 0x28) 07:32:59 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010092508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:32:59 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) 07:32:59 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1408.878376][T19561] batman_adv: batadv0: Adding interface: veth477 [ 1408.886028][T19561] batman_adv: batadv0: The MTU of interface veth477 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1408.984909][T19561] batman_adv: batadv0: Not using interface veth477 (retrying later): interface not active 07:32:59 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1409.055782][T19579] batman_adv: batadv0: Adding interface: veth483 [ 1409.076921][T19579] batman_adv: batadv0: The MTU of interface veth483 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1409.151412][T19579] batman_adv: batadv0: Not using interface veth483 (retrying later): interface not active 07:32:59 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800060010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1409.210178][T19588] batman_adv: batadv0: Removing interface: veth483 07:33:00 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100a2508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:00 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x10e}, 0x28) 07:33:00 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000073000d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:00 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d07000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:00 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) 07:33:00 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800070010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:00 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1409.774065][T19655] __nla_validate_parse: 27 callbacks suppressed [ 1409.774082][T19655] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 07:33:00 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x160}, 0x28) [ 1409.916494][T19663] batman_adv: batadv0: Adding interface: veth479 07:33:00 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1409.942255][T19663] batman_adv: batadv0: The MTU of interface veth479 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1410.045773][T19663] batman_adv: batadv0: Not using interface veth479 (retrying later): interface not active [ 1410.096313][T19664] batman_adv: batadv0: Adding interface: veth485 [ 1410.123017][T19664] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:00 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1410.189604][T19664] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active [ 1410.235201][T19638] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1410.252121][T19669] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:33:00 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100c2508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1410.363497][T19673] batman_adv: batadv0: Removing interface: veth485 07:33:01 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1410.463697][T19656] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 07:33:01 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x500}, 0x28) [ 1410.508292][T19699] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:33:01 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="200000000f000d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1410.654486][T19655] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 07:33:01 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1410.776610][T19669] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1410.836399][T19707] batman_adv: batadv0: Adding interface: veth485 [ 1410.854412][T19707] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1410.961730][T19707] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active [ 1411.025266][T19709] batman_adv: batadv0: Removing interface: veth485 [ 1411.093414][T19725] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1411.199356][T19699] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1411.227572][T19736] batman_adv: batadv0: Adding interface: veth481 [ 1411.244832][T19736] batman_adv: batadv0: The MTU of interface veth481 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1411.306642][T19736] batman_adv: batadv0: Not using interface veth481 (retrying later): interface not active [ 1411.349528][T19727] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 07:33:02 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d10000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:02 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800090010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:02 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) 07:33:02 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100e2508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:02 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x702}, 0x28) 07:33:02 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000048000d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:02 executing program 5: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1411.636948][T19773] batman_adv: batadv0: Adding interface: veth485 [ 1411.655506][T19773] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1411.744831][T19773] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active [ 1411.797062][T19762] batman_adv: batadv0: Removing interface: veth485 07:33:02 executing program 5: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1411.948788][T19792] batman_adv: batadv0: Adding interface: veth483 07:33:02 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000a0010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:02 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010102508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1411.974186][T19792] batman_adv: batadv0: The MTU of interface veth483 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:02 executing program 5: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1412.112430][T19792] batman_adv: batadv0: Not using interface veth483 (retrying later): interface not active [ 1412.198421][T19809] batman_adv: batadv0: Adding interface: veth485 [ 1412.214553][T19809] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:02 executing program 5: perf_event_open(&(0x7f0000000100)={0x0, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1412.330055][T19809] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active [ 1412.372757][T19810] batman_adv: batadv0: Removing interface: veth485 07:33:03 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d12000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:03 executing program 5: perf_event_open(&(0x7f0000000100)={0x0, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) 07:33:03 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x803}, 0x28) 07:33:03 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000073000d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:03 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000c0010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:03 executing program 5: perf_event_open(&(0x7f0000000100)={0x0, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) 07:33:03 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010602508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1412.909637][T19866] batman_adv: batadv0: Adding interface: veth485 [ 1412.926622][T19866] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1413.046126][T19866] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active 07:33:03 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1413.096732][T19863] batman_adv: batadv0: Removing interface: veth485 07:33:03 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1413.464102][T19880] batman_adv: batadv0: Adding interface: veth485 [ 1413.480860][T19880] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:04 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1413.626066][T19880] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active 07:33:04 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0xa03}, 0x28) 07:33:04 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000e0010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1413.788925][T19918] batman_adv: batadv0: Adding interface: veth485 [ 1413.803733][T19918] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1413.917779][T19918] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active [ 1413.962650][T19917] batman_adv: batadv0: Removing interface: veth485 07:33:04 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) 07:33:04 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d46000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:04 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002503000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:04 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011040004000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:04 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28bc1c0010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:04 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x0, 0x20000000000001, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1414.533610][T19946] batman_adv: batadv0: Adding interface: veth487 [ 1414.550032][T19946] batman_adv: batadv0: The MTU of interface veth487 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:05 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x0, 0x20000000000001, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1414.664725][T19946] batman_adv: batadv0: Not using interface veth487 (retrying later): interface not active [ 1414.708893][T19960] batman_adv: batadv0: Adding interface: veth485 [ 1414.733170][T19960] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1414.774746][T19960] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active [ 1414.848654][T19971] batman_adv: batadv0: Removing interface: veth485 07:33:05 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x0, 0x20000000000001, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1414.942012][T19947] __nla_validate_parse: 26 callbacks suppressed [ 1414.942027][T19947] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1414.994114][T19952] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1415.008484][T19957] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1415.034100][T19953] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 07:33:05 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x3f00}, 0x28) 07:33:05 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002510000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:05 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011080004000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:05 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) 07:33:05 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28bd1c0010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1415.216264][T19971] batman_adv: batadv0: Adding interface: veth485 [ 1415.242619][T19971] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1415.319510][T19971] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active [ 1415.372403][T20007] batman_adv: batadv0: Removing interface: veth485 [ 1415.449388][T20019] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1415.566914][T20016] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1415.658808][T20018] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1415.813004][T20026] batman_adv: batadv0: Adding interface: veth617 [ 1415.819594][T20026] batman_adv: batadv0: The MTU of interface veth617 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1415.962489][T20026] batman_adv: batadv0: Not using interface veth617 (retrying later): interface not active [ 1415.998348][T20027] batman_adv: batadv0: Adding interface: veth489 [ 1416.015915][T20027] batman_adv: batadv0: The MTU of interface veth489 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1416.091040][T20027] batman_adv: batadv0: Not using interface veth489 (retrying later): interface not active [ 1416.131364][T20019] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1416.165359][T20016] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:33:06 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d02010000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:06 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) 07:33:06 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28be1c0010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1416.268538][T20024] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 07:33:06 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002514000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:06 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011020d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:06 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x4000}, 0x28) 07:33:07 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1416.516802][T20073] batman_adv: batadv0: Adding interface: veth485 [ 1416.536212][T20073] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:07 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1416.645121][T20073] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active 07:33:07 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1416.803164][T20066] batman_adv: batadv0: Removing interface: veth485 07:33:07 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1416.889816][T20091] batman_adv: batadv0: Adding interface: veth621 [ 1416.911717][T20091] batman_adv: batadv0: The MTU of interface veth621 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:07 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1417.011913][T20091] batman_adv: batadv0: Not using interface veth621 (retrying later): interface not active [ 1417.102799][T20092] batman_adv: batadv0: Adding interface: veth491 [ 1417.109801][T20092] batman_adv: batadv0: The MTU of interface veth491 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1417.163552][T20092] batman_adv: batadv0: Not using interface veth491 (retrying later): interface not active 07:33:07 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(0xffffffffffffffff, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1417.347975][T20073] batman_adv: batadv0: Adding interface: veth485 [ 1417.372466][T20073] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1417.451307][T20073] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active [ 1417.493957][T20131] batman_adv: batadv0: Removing interface: veth485 07:33:08 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03010000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:08 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800200010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:08 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) 07:33:08 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(0xffffffffffffffff, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) 07:33:08 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002525000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:08 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011030d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:08 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(0xffffffffffffffff, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1418.027993][T20166] batman_adv: batadv0: Adding interface: veth493 [ 1418.063683][T20166] batman_adv: batadv0: The MTU of interface veth493 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:08 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, 0x0, 0x0) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1418.143976][T20166] batman_adv: batadv0: Not using interface veth493 (retrying later): interface not active [ 1418.168987][T20167] batman_adv: batadv0: Adding interface: veth485 [ 1418.186896][T20167] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:08 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, 0x0, 0x0) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1418.311393][T20167] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active [ 1418.354407][T20156] batman_adv: batadv0: Removing interface: veth485 07:33:09 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x2}, 0x28) 07:33:09 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011040d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:09 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28003f0010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1418.592972][T20172] batman_adv: batadv0: Adding interface: veth485 [ 1418.599942][T20172] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1418.701826][T20172] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active [ 1418.748458][T20213] batman_adv: batadv0: Removing interface: veth485 [ 1418.977527][T20222] batman_adv: batadv0: Adding interface: veth495 [ 1418.990007][T20222] batman_adv: batadv0: The MTU of interface veth495 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1419.070221][T20222] batman_adv: batadv0: Not using interface veth495 (retrying later): interface not active 07:33:09 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d01020000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:09 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, 0x0, 0x0) socket$kcm(0x11, 0x200000000000002, 0x300) 07:33:09 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000001000252f000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:09 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x4}, 0x28) 07:33:09 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800400010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:09 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011050d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:09 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) 07:33:10 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) 07:33:10 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1419.544388][T20266] batman_adv: batadv0: Adding interface: veth485 [ 1419.558433][T20266] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1419.699519][T20266] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active 07:33:10 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1419.775962][T20255] batman_adv: batadv0: Removing interface: veth485 07:33:10 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x8}, 0x28) [ 1419.876421][T20276] batman_adv: batadv0: Adding interface: veth497 [ 1419.901481][T20276] batman_adv: batadv0: The MTU of interface veth497 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:10 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1419.997136][T20276] batman_adv: batadv0: Not using interface veth497 (retrying later): interface not active [ 1420.029059][T20247] __nla_validate_parse: 24 callbacks suppressed [ 1420.029073][T20247] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1420.051836][T20257] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1420.168078][T20270] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1420.205761][T20308] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1420.289313][T20312] batman_adv: batadv0: Adding interface: veth485 [ 1420.303168][T20312] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1420.371936][T20312] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active [ 1420.415894][T20266] batman_adv: batadv0: Removing interface: veth485 07:33:11 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d02020000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:11 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002570090000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:11 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800480010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:11 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) 07:33:11 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011060d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:11 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0xe}, 0x28) [ 1420.609046][T20329] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1420.663899][T20332] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:33:11 executing program 5: perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x0, 0x0, &(0x7f0000000100)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x0, 0x300) [ 1420.746387][T20333] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1420.847716][T20335] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 07:33:11 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d12000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1421.019172][T20344] batman_adv: batadv0: Adding interface: veth485 [ 1421.034758][T20344] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1421.144805][T20344] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active [ 1421.188998][T20329] batman_adv: batadv0: Adding interface: veth499 [ 1421.209657][T20329] batman_adv: batadv0: The MTU of interface veth499 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1421.306058][T20329] batman_adv: batadv0: Not using interface veth499 (retrying later): interface not active [ 1421.354584][T20349] batman_adv: batadv0: Adding interface: veth631 [ 1421.372193][T20349] batman_adv: batadv0: The MTU of interface veth631 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1421.409794][T20349] batman_adv: batadv0: Not using interface veth631 (retrying later): interface not active 07:33:12 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x60}, 0x28) [ 1421.463347][T20351] batman_adv: batadv0: Removing interface: veth485 [ 1421.539634][T20333] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1421.564028][T20372] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 07:33:12 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28004c0010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1421.646485][T20374] batman_adv: batadv0: Adding interface: veth269 [ 1421.669925][T20374] batman_adv: batadv0: The MTU of interface veth269 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1421.775715][T20374] batman_adv: batadv0: Not using interface veth269 (retrying later): interface not active [ 1421.818472][T20375] batman_adv: batadv0: Removing interface: veth269 07:33:12 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025d40b0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1421.985069][T20382] batman_adv: batadv0: Adding interface: veth485 [ 1422.007591][T20382] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:12 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011070d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1422.139568][T20382] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active [ 1422.177171][T20385] batman_adv: batadv0: Removing interface: veth485 [ 1422.387425][T20422] batman_adv: batadv0: Adding interface: veth635 [ 1422.396888][T20422] batman_adv: batadv0: The MTU of interface veth635 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1422.492831][T20422] batman_adv: batadv0: Not using interface veth635 (retrying later): interface not active 07:33:13 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03020000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:13 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0xf0}, 0x28) [ 1422.532986][T20428] batman_adv: batadv0: Adding interface: veth501 [ 1422.539384][T20428] batman_adv: batadv0: The MTU of interface veth501 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1422.654069][T20428] batman_adv: batadv0: Not using interface veth501 (retrying later): interface not active 07:33:13 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) 07:33:13 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2865580010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:13 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000001000256c0c0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1422.832457][T20453] batman_adv: batadv0: Adding interface: veth485 [ 1422.838845][T20453] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1422.963872][T20453] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active [ 1423.039941][T20458] batman_adv: batadv0: Removing interface: veth485 07:33:13 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011080d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:13 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0xe00}, 0x28) 07:33:13 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1423.304191][T20474] batman_adv: batadv0: Adding interface: veth639 [ 1423.326033][T20474] batman_adv: batadv0: The MTU of interface veth639 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1423.403004][T20474] batman_adv: batadv0: Not using interface veth639 (retrying later): interface not active [ 1423.558870][T20493] batman_adv: batadv0: Adding interface: veth503 07:33:14 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800600010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1423.599193][T20493] batman_adv: batadv0: The MTU of interface veth503 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:14 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1423.733848][T20493] batman_adv: batadv0: Not using interface veth503 (retrying later): interface not active 07:33:14 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0xe72}, 0x28) [ 1423.863809][T20458] batman_adv: batadv0: Adding interface: veth485 [ 1423.885283][T20458] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:14 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025900c0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1424.019553][T20458] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active [ 1424.111337][T20511] batman_adv: batadv0: Removing interface: veth485 [ 1424.369883][T20535] batman_adv: batadv0: Adding interface: veth641 [ 1424.406417][T20535] batman_adv: batadv0: The MTU of interface veth641 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1424.485304][T20535] batman_adv: batadv0: Not using interface veth641 (retrying later): interface not active 07:33:15 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d00030000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:15 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) 07:33:15 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011090d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:15 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x3f00}, 0x28) 07:33:15 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2858650010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:15 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025000e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:15 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03020000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1424.872097][T20563] batman_adv: batadv0: Adding interface: veth505 [ 1424.878485][T20563] batman_adv: batadv0: The MTU of interface veth505 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1425.031393][T20563] batman_adv: batadv0: Not using interface veth505 (retrying later): interface not active [ 1425.092604][T20563] __nla_validate_parse: 23 callbacks suppressed [ 1425.092618][T20563] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1425.153283][T20581] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1425.224864][T20579] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1425.303424][T20590] batman_adv: batadv0: Adding interface: veth645 [ 1425.309808][T20590] batman_adv: batadv0: The MTU of interface veth645 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1425.421230][T20590] batman_adv: batadv0: Not using interface veth645 (retrying later): interface not active [ 1425.455300][T20589] batman_adv: batadv0: Adding interface: veth485 [ 1425.468869][T20589] batman_adv: batadv0: The MTU of interface veth485 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1425.497364][T20589] batman_adv: batadv0: Not using interface veth485 (retrying later): interface not active [ 1425.548192][T20592] batman_adv: batadv0: Removing interface: veth485 07:33:16 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x4000}, 0x28) [ 1425.682802][T20595] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1425.757066][T20596] batman_adv: batadv0: Adding interface: veth269 [ 1425.764431][T20596] batman_adv: batadv0: The MTU of interface veth269 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1425.825615][T20596] batman_adv: batadv0: Not using interface veth269 (retrying later): interface not active [ 1425.854849][T20569] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:33:16 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800680010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1425.895816][T20599] batman_adv: batadv0: Removing interface: veth269 [ 1426.002451][T20581] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:33:16 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="20000000110a0d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1426.099829][T20589] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 07:33:16 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025080e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:16 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x6000}, 0x28) [ 1426.182784][T20629] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1426.313767][T20658] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1426.381117][T20645] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 07:33:17 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d01030000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:17 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03020000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1426.518320][T20659] batman_adv: batadv0: Adding interface: veth507 [ 1426.538270][T20659] batman_adv: batadv0: The MTU of interface veth507 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:17 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x720e}, 0x28) [ 1426.597916][T20659] batman_adv: batadv0: Not using interface veth507 (retrying later): interface not active [ 1426.719559][T20658] batman_adv: batadv0: Adding interface: veth649 [ 1426.732850][T20658] batman_adv: batadv0: The MTU of interface veth649 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:17 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28006c0010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1426.807504][T20658] batman_adv: batadv0: Not using interface veth649 (retrying later): interface not active [ 1426.946986][T20679] batman_adv: batadv0: Adding interface: veth269 [ 1426.960257][T20679] batman_adv: batadv0: The MTU of interface veth269 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1427.038456][T20679] batman_adv: batadv0: Not using interface veth269 (retrying later): interface not active [ 1427.077835][T20680] batman_adv: batadv0: Adding interface: veth487 [ 1427.095390][T20680] batman_adv: batadv0: The MTU of interface veth487 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1427.135937][T20680] batman_adv: batadv0: Not using interface veth487 (retrying later): interface not active [ 1427.166600][T20682] batman_adv: batadv0: Removing interface: veth269 [ 1427.222291][T20683] batman_adv: batadv0: Removing interface: veth487 07:33:17 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="20000000110c0d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:17 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025100e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:18 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0xf000}, 0x28) 07:33:18 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03020000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1427.467698][T20722] batman_adv: batadv0: Adding interface: veth487 [ 1427.491483][T20722] batman_adv: batadv0: The MTU of interface veth487 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1427.605482][T20722] batman_adv: batadv0: Not using interface veth487 (retrying later): interface not active [ 1427.654279][T20727] batman_adv: batadv0: Removing interface: veth487 07:33:18 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800740010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:18 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0xf0ffff}, 0x28) [ 1427.938155][T20744] batman_adv: batadv0: Adding interface: veth509 [ 1427.965483][T20744] batman_adv: batadv0: The MTU of interface veth509 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1428.051695][T20744] batman_adv: batadv0: Not using interface veth509 (retrying later): interface not active [ 1428.098604][T20745] batman_adv: batadv0: Adding interface: veth651 [ 1428.115137][T20745] batman_adv: batadv0: The MTU of interface veth651 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1428.194692][T20745] batman_adv: batadv0: Not using interface veth651 (retrying later): interface not active [ 1428.235895][T20746] batman_adv: batadv0: Adding interface: veth269 [ 1428.275002][T20746] batman_adv: batadv0: The MTU of interface veth269 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1428.352840][T20746] batman_adv: batadv0: Not using interface veth269 (retrying later): interface not active [ 1428.395307][T20750] batman_adv: batadv0: Removing interface: veth269 07:33:19 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d02030000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:19 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x1000000}, 0x28) 07:33:19 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="20000000110e0d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:19 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28007a0010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:19 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(0xffffffffffffffff, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) 07:33:19 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025180e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1428.801960][T20803] batman_adv: batadv0: Adding interface: veth487 [ 1428.827106][T20803] batman_adv: batadv0: The MTU of interface veth487 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1428.921708][T20803] batman_adv: batadv0: Not using interface veth487 (retrying later): interface not active 07:33:19 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025100e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:19 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x2000000}, 0x28) [ 1429.023565][T20798] batman_adv: batadv0: Removing interface: veth487 [ 1429.237766][T20817] batman_adv: batadv0: Adding interface: veth655 [ 1429.248941][T20817] batman_adv: batadv0: The MTU of interface veth655 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1429.343834][T20817] batman_adv: batadv0: Not using interface veth655 (retrying later): interface not active [ 1429.437483][T20822] batman_adv: batadv0: Adding interface: veth511 [ 1429.448335][T20822] batman_adv: batadv0: The MTU of interface veth511 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1429.517380][T20822] batman_adv: batadv0: Not using interface veth511 (retrying later): interface not active [ 1429.618358][T20848] batman_adv: batadv0: Adding interface: veth269 [ 1429.641095][T20848] batman_adv: batadv0: The MTU of interface veth269 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:20 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x4000000}, 0x28) [ 1429.724627][T20848] batman_adv: batadv0: Not using interface veth269 (retrying later): interface not active 07:33:20 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) socket$kcm(0x11, 0x200000000000002, 0x300) 07:33:20 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000001000252c0e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:20 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800810010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:20 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03030000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:20 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011100d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:20 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x8000000}, 0x28) [ 1430.163040][T20886] __nla_validate_parse: 24 callbacks suppressed [ 1430.163056][T20886] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:33:20 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025180e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1430.330407][T20894] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1430.407933][T20893] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1430.456595][T20897] batman_adv: batadv0: Adding interface: veth659 07:33:21 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0xe000000}, 0x28) [ 1430.484993][T20897] batman_adv: batadv0: The MTU of interface veth659 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1430.579306][T20897] batman_adv: batadv0: Not using interface veth659 (retrying later): interface not active [ 1430.598828][T20896] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1430.721204][T20899] batman_adv: batadv0: Adding interface: veth489 [ 1430.732360][T20899] batman_adv: batadv0: The MTU of interface veth489 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1430.829681][T20899] batman_adv: batadv0: Not using interface veth489 (retrying later): interface not active [ 1430.901608][T20908] batman_adv: batadv0: Removing interface: veth489 [ 1430.966508][T20910] batman_adv: batadv0: Adding interface: veth513 [ 1430.979891][T20910] batman_adv: batadv0: The MTU of interface veth513 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1431.080068][T20910] batman_adv: batadv0: Not using interface veth513 (retrying later): interface not active [ 1431.116686][T20912] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1431.204045][T20924] batman_adv: batadv0: Adding interface: veth271 [ 1431.212081][T20924] batman_adv: batadv0: The MTU of interface veth271 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1431.291535][T20924] batman_adv: batadv0: Not using interface veth271 (retrying later): interface not active [ 1431.323856][T20886] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:33:22 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025180e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1431.373941][T20896] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:33:22 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x3f000000}, 0x28) [ 1431.440443][T20901] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 07:33:22 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025340e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:22 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="281cbc0010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1431.492631][T20899] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1431.571318][T20957] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 07:33:22 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011480d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:22 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d02040000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1431.729620][T20971] batman_adv: batadv0: Adding interface: veth273 [ 1431.749395][T20971] batman_adv: batadv0: The MTU of interface veth273 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1431.839445][T20971] batman_adv: batadv0: Not using interface veth273 (retrying later): interface not active 07:33:22 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) socket$kcm(0x11, 0x200000000000002, 0x300) 07:33:22 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x40000000}, 0x28) [ 1431.990050][T20967] batman_adv: batadv0: Adding interface: veth661 [ 1432.007212][T20967] batman_adv: batadv0: The MTU of interface veth661 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1432.176878][T20967] batman_adv: batadv0: Not using interface veth661 (retrying later): interface not active 07:33:23 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) [ 1432.464051][T20994] batman_adv: batadv0: Adding interface: veth491 [ 1432.476156][T20994] batman_adv: batadv0: The MTU of interface veth491 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1432.526104][T20994] batman_adv: batadv0: Not using interface veth491 (retrying later): interface not active [ 1432.556747][T20995] batman_adv: batadv0: Adding interface: veth515 [ 1432.587230][T20995] batman_adv: batadv0: The MTU of interface veth515 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1432.671615][T20995] batman_adv: batadv0: Not using interface veth515 (retrying later): interface not active 07:33:23 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) [ 1432.733727][T21000] batman_adv: batadv0: Removing interface: veth491 07:33:23 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000001000253c0e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:23 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="281cbd0010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:23 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="20000000114c0d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:23 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03040000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:23 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x60000000}, 0x28) 07:33:23 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) [ 1433.128633][T21042] batman_adv: batadv0: Adding interface: veth663 [ 1433.164047][T21042] batman_adv: batadv0: The MTU of interface veth663 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1433.243984][T21042] batman_adv: batadv0: Not using interface veth663 (retrying later): interface not active [ 1433.552955][T21062] batman_adv: batadv0: Adding interface: veth493 [ 1433.559482][T21062] batman_adv: batadv0: The MTU of interface veth493 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:24 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) close(0xffffffffffffffff) ioctl$sock_kcm_SIOCKCMUNATTACH(0xffffffffffffffff, 0x5452, &(0x7f0000000000)) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x22}, 0x0) [ 1433.688684][T21062] batman_adv: batadv0: Not using interface veth493 (retrying later): interface not active [ 1433.723627][T21069] batman_adv: batadv0: Adding interface: veth517 07:33:24 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025440e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1433.730020][T21069] batman_adv: batadv0: The MTU of interface veth517 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1433.897053][T21069] batman_adv: batadv0: Not using interface veth517 (retrying later): interface not active [ 1433.973129][T21070] batman_adv: batadv0: Removing interface: veth493 07:33:24 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) close(0xffffffffffffffff) ioctl$sock_kcm_SIOCKCMUNATTACH(0xffffffffffffffff, 0x5452, &(0x7f0000000000)) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x22}, 0x0) 07:33:24 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x720e0000}, 0x28) 07:33:24 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="281cbe0010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1434.220269][T21102] batman_adv: batadv0: Adding interface: veth665 [ 1434.237940][T21102] batman_adv: batadv0: The MTU of interface veth665 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:24 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011600d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1434.431763][T21102] batman_adv: batadv0: Not using interface veth665 (retrying later): interface not active 07:33:25 executing program 5: ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, &(0x7f0000000080)=0x1) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0xe6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f00000004c0)='/proc/capi/capi20ncci\x00', 0x0, 0x0) read$rfkill(r0, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x2b, 0x20000000000001, 0x0, &(0x7f0000000100)) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x6611, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={0xffffffffffffffff, 0x18000000000002a0, 0x0, 0x0, 0x0, 0x0}, 0x40) socket$kcm(0x11, 0x200000000000002, 0x300) close(0xffffffffffffffff) ioctl$sock_kcm_SIOCKCMUNATTACH(0xffffffffffffffff, 0x5452, &(0x7f0000000000)) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x22}, 0x0) modify_ldt$read_default(0x2, &(0x7f0000000440)=""/142, 0x8e) 07:33:25 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d74040000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:25 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0xfeffffff}, 0x28) 07:33:25 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000001000254c0e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1434.821903][T21136] batman_adv: batadv0: Adding interface: veth519 [ 1434.828301][T21136] batman_adv: batadv0: The MTU of interface veth519 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:25 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800f00010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:25 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000000f002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1434.920175][T21136] batman_adv: batadv0: Not using interface veth519 (retrying later): interface not active [ 1435.038903][T21148] batman_adv: batadv0: Adding interface: veth495 [ 1435.067922][T21148] batman_adv: batadv0: The MTU of interface veth495 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1435.176744][T21148] batman_adv: batadv0: Not using interface veth495 (retrying later): interface not active [ 1435.225549][T21150] __nla_validate_parse: 22 callbacks suppressed [ 1435.225563][T21150] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1435.310433][T21153] batman_adv: batadv0: Removing interface: veth495 07:33:26 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0xfffff000}, 0x28) [ 1435.376564][T21158] batman_adv: batadv0: Adding interface: veth669 [ 1435.394435][T21158] batman_adv: batadv0: The MTU of interface veth669 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1435.478301][T21158] batman_adv: batadv0: Not using interface veth669 (retrying later): interface not active [ 1435.527370][T21132] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1435.561916][T21167] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 07:33:26 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011680d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1435.685226][T21169] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:33:26 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2058650011000d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1435.837986][T21146] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1435.905110][T21156] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:33:26 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0xfffffffe}, 0x28) 07:33:26 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025540e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1436.006488][T21187] batman_adv: batadv0: Adding interface: veth495 [ 1436.024812][T21187] batman_adv: batadv0: The MTU of interface veth495 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1436.159010][T21187] batman_adv: batadv0: Not using interface veth495 (retrying later): interface not active [ 1436.187640][T21189] batman_adv: batadv0: Removing interface: veth495 [ 1436.265642][T21200] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1436.370450][T21169] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1436.421453][T21211] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 07:33:27 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000011002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1436.475181][T21209] batman_adv: batadv0: Adding interface: veth521 [ 1436.494822][T21209] batman_adv: batadv0: The MTU of interface veth521 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1436.564749][T21209] batman_adv: batadv0: Not using interface veth521 (retrying later): interface not active [ 1436.605072][T21219] batman_adv: batadv0: Adding interface: veth277 [ 1436.622529][T21219] batman_adv: batadv0: The MTU of interface veth277 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1436.721673][T21219] batman_adv: batadv0: Not using interface veth277 (retrying later): interface not active [ 1436.762848][T21227] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:33:27 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2058650011000d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1436.864128][T21234] batman_adv: batadv0: Adding interface: veth673 [ 1436.870532][T21234] batman_adv: batadv0: The MTU of interface veth673 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1436.989225][T21234] batman_adv: batadv0: Not using interface veth673 (retrying later): interface not active 07:33:27 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d78040000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:27 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="20000000116c0d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:27 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0xffffffff}, 0x28) 07:33:27 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000001000255c0e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1437.298217][T21265] batman_adv: batadv0: Adding interface: veth279 [ 1437.311937][T21265] batman_adv: batadv0: The MTU of interface veth279 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1437.406972][T21265] batman_adv: batadv0: Not using interface veth279 (retrying later): interface not active 07:33:28 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2058650011000d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1437.589401][T21292] batman_adv: batadv0: Adding interface: veth495 [ 1437.601955][T21292] batman_adv: batadv0: The MTU of interface veth495 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1437.669635][T21292] batman_adv: batadv0: Not using interface veth495 (retrying later): interface not active [ 1437.716624][T21294] batman_adv: batadv0: Adding interface: veth523 [ 1437.727718][T21294] batman_adv: batadv0: The MTU of interface veth523 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1437.813722][T21294] batman_adv: batadv0: Not using interface veth523 (retrying later): interface not active [ 1437.855979][T21295] batman_adv: batadv0: Removing interface: veth495 07:33:28 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1438.134244][T21314] batman_adv: batadv0: Adding interface: veth675 [ 1438.155856][T21314] batman_adv: batadv0: The MTU of interface veth675 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1438.238108][T21314] batman_adv: batadv0: Not using interface veth675 (retrying later): interface not active [ 1438.352234][T21320] batman_adv: batadv0: Adding interface: veth281 [ 1438.365490][T21320] batman_adv: batadv0: The MTU of interface veth281 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1438.410011][T21320] batman_adv: batadv0: Not using interface veth281 (retrying later): interface not active 07:33:29 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011740d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:29 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x2}, 0x28) [ 1438.516918][T21344] batman_adv: batadv0: Adding interface: veth495 [ 1438.530015][T21344] batman_adv: batadv0: The MTU of interface veth495 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:29 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1438.646896][T21344] batman_adv: batadv0: Not using interface veth495 (retrying later): interface not active [ 1438.705602][T21352] batman_adv: batadv0: Removing interface: veth495 07:33:29 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025640e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1438.979340][T21376] batman_adv: batadv0: Adding interface: veth525 [ 1439.002530][T21376] batman_adv: batadv0: The MTU of interface veth525 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1439.113911][T21376] batman_adv: batadv0: Not using interface veth525 (retrying later): interface not active [ 1439.156120][T21381] batman_adv: batadv0: Adding interface: veth283 [ 1439.177351][T21381] batman_adv: batadv0: The MTU of interface veth283 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1439.248851][T21381] batman_adv: batadv0: Not using interface veth283 (retrying later): interface not active 07:33:29 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000012002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:29 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x4}, 0x28) 07:33:30 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d90040000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:30 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$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(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1439.432340][T21407] batman_adv: batadv0: Adding interface: veth679 [ 1439.456305][T21407] batman_adv: batadv0: The MTU of interface veth679 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1439.608557][T21407] batman_adv: batadv0: Not using interface veth679 (retrying later): interface not active 07:33:30 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="20000000117a0d04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1439.894118][T21426] batman_adv: batadv0: Adding interface: veth285 [ 1439.900512][T21426] batman_adv: batadv0: The MTU of interface veth285 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1439.934234][T21426] batman_adv: batadv0: Not using interface veth285 (retrying later): interface not active [ 1439.954820][T21427] batman_adv: batadv0: Adding interface: veth495 [ 1439.962463][T21427] batman_adv: batadv0: The MTU of interface veth495 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:30 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) socket(0x1, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1440.071998][T21427] batman_adv: batadv0: Not using interface veth495 (retrying later): interface not active 07:33:30 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x8}, 0x28) [ 1440.195610][T21429] batman_adv: batadv0: Removing interface: veth495 [ 1440.297753][T21442] __nla_validate_parse: 21 callbacks suppressed [ 1440.297766][T21442] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 07:33:31 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000001000256c0e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1440.398150][T21449] batman_adv: batadv0: Adding interface: veth527 [ 1440.412987][T21449] batman_adv: batadv0: The MTU of interface veth527 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1440.510607][T21449] batman_adv: batadv0: Not using interface veth527 (retrying later): interface not active [ 1440.557676][T21425] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1440.629212][T21457] batman_adv: batadv0: Adding interface: veth287 [ 1440.647134][T21457] batman_adv: batadv0: The MTU of interface veth287 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:31 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000014002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1440.743282][T21457] batman_adv: batadv0: Not using interface veth287 (retrying later): interface not active [ 1440.811663][T21427] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 07:33:31 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0xe}, 0x28) 07:33:31 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) socket(0x1, 0x803, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1440.950676][T21482] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:33:31 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d9c040000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1441.118471][T21447] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1441.154330][T21486] batman_adv: batadv0: Adding interface: veth681 [ 1441.164869][T21486] batman_adv: batadv0: The MTU of interface veth681 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1441.196717][T21486] batman_adv: batadv0: Not using interface veth681 (retrying later): interface not active [ 1441.223165][T21494] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:33:31 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011001204000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1441.334764][T21501] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1441.394582][T21506] batman_adv: batadv0: Adding interface: veth289 [ 1441.402241][T21506] batman_adv: batadv0: The MTU of interface veth289 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1441.436970][T21506] batman_adv: batadv0: Not using interface veth289 (retrying later): interface not active [ 1441.456882][T21513] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 07:33:32 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:32 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x60}, 0x28) [ 1441.549320][T21514] batman_adv: batadv0: Adding interface: veth497 [ 1441.569532][T21514] batman_adv: batadv0: The MTU of interface veth497 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1441.649338][T21514] batman_adv: batadv0: Not using interface veth497 (retrying later): interface not active [ 1441.675954][T21483] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1441.703555][T21515] batman_adv: batadv0: Removing interface: veth497 07:33:32 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025740e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1441.794963][T21494] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:33:32 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000020002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1441.896678][T21533] batman_adv: batadv0: Adding interface: veth529 [ 1441.905766][T21533] batman_adv: batadv0: The MTU of interface veth529 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1441.965290][T21533] batman_adv: batadv0: Not using interface veth529 (retrying later): interface not active [ 1442.027922][T21542] batman_adv: batadv0: Adding interface: veth291 [ 1442.038527][T21542] batman_adv: batadv0: The MTU of interface veth291 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1442.083064][T21542] batman_adv: batadv0: Not using interface veth291 (retrying later): interface not active 07:33:32 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0xf0}, 0x28) 07:33:32 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1442.279999][T21558] batman_adv: batadv0: Adding interface: veth683 [ 1442.310767][T21558] batman_adv: batadv0: The MTU of interface veth683 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1442.361846][T21558] batman_adv: batadv0: Not using interface veth683 (retrying later): interface not active [ 1442.388200][T21559] batman_adv: batadv0: Adding interface: veth497 [ 1442.405871][T21559] batman_adv: batadv0: The MTU of interface veth497 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1442.511676][T21559] batman_adv: batadv0: Not using interface veth497 (retrying later): interface not active [ 1442.537371][T21565] batman_adv: batadv0: Removing interface: veth497 07:33:33 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011002004000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1442.713502][T21584] batman_adv: batadv0: Adding interface: veth293 [ 1442.719940][T21584] batman_adv: batadv0: The MTU of interface veth293 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1442.832815][T21584] batman_adv: batadv0: Not using interface veth293 (retrying later): interface not active 07:33:33 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000120002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:33 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000001000257c0e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:33 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d00050000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:33 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r2, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:33 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0xe00}, 0x28) [ 1443.015394][T21612] batman_adv: batadv0: Adding interface: veth531 [ 1443.059715][T21612] batman_adv: batadv0: The MTU of interface veth531 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1443.208868][T21612] batman_adv: batadv0: Not using interface veth531 (retrying later): interface not active 07:33:33 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r2, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:33 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0xe72}, 0x28) [ 1443.471967][T21628] batman_adv: batadv0: Adding interface: veth497 [ 1443.478359][T21628] batman_adv: batadv0: The MTU of interface veth497 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1443.564694][T21628] batman_adv: batadv0: Not using interface veth497 (retrying later): interface not active [ 1443.681885][T21630] batman_adv: batadv0: Adding interface: veth685 [ 1443.688813][T21630] batman_adv: batadv0: The MTU of interface veth685 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1443.769352][T21630] batman_adv: batadv0: Not using interface veth685 (retrying later): interface not active [ 1443.798601][T21631] batman_adv: batadv0: Removing interface: veth497 07:33:34 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r2, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:34 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000025002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:34 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x3f00}, 0x28) 07:33:34 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025840e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:34 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011004004000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1444.027325][T21631] batman_adv: batadv0: Adding interface: veth497 [ 1444.039483][T21631] batman_adv: batadv0: The MTU of interface veth497 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1444.132560][T21631] batman_adv: batadv0: Not using interface veth497 (retrying later): interface not active [ 1444.164543][T21668] batman_adv: batadv0: Removing interface: veth497 07:33:35 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:35 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x4000}, 0x28) [ 1444.429761][T21690] batman_adv: batadv0: Adding interface: veth533 [ 1444.451908][T21690] batman_adv: batadv0: The MTU of interface veth533 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1444.572684][T21690] batman_adv: batadv0: Not using interface veth533 (retrying later): interface not active [ 1444.616840][T21694] batman_adv: batadv0: Adding interface: veth687 [ 1444.635242][T21694] batman_adv: batadv0: The MTU of interface veth687 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1444.692775][T21694] batman_adv: batadv0: Not using interface veth687 (retrying later): interface not active 07:33:35 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d01050000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:35 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000002f002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:35 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011004804000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:35 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x6000}, 0x28) 07:33:35 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:35 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000001000258c0e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1445.064148][T21739] batman_adv: batadv0: Adding interface: veth497 [ 1445.089582][T21739] batman_adv: batadv0: The MTU of interface veth497 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1445.205121][T21739] batman_adv: batadv0: Not using interface veth497 (retrying later): interface not active [ 1445.297669][T21734] batman_adv: batadv0: Removing interface: veth497 [ 1445.355006][T21744] __nla_validate_parse: 29 callbacks suppressed [ 1445.355019][T21744] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1445.493359][T21752] batman_adv: batadv0: Adding interface: veth535 [ 1445.499756][T21752] batman_adv: batadv0: The MTU of interface veth535 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1445.631261][T21752] batman_adv: batadv0: Not using interface veth535 (retrying later): interface not active [ 1445.674902][T21754] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:33:36 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x720e}, 0x28) [ 1445.803180][T21755] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1445.849578][T21764] batman_adv: batadv0: Adding interface: veth691 [ 1445.892774][T21764] batman_adv: batadv0: The MTU of interface veth691 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1445.990659][T21764] batman_adv: batadv0: Not using interface veth691 (retrying later): interface not active [ 1446.035311][T21740] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:33:36 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000046002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1446.105030][T21748] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1446.130728][T21739] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1446.203403][T21782] batman_adv: batadv0: Adding interface: veth497 [ 1446.209821][T21782] batman_adv: batadv0: The MTU of interface veth497 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:36 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="200000001107ce04000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1446.299696][T21782] batman_adv: batadv0: Not using interface veth497 (retrying later): interface not active [ 1446.334346][T21789] batman_adv: batadv0: Removing interface: veth497 07:33:37 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0xf000}, 0x28) [ 1446.422001][T21754] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:33:37 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1446.515019][T21807] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:33:37 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025940e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1446.666486][T21816] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 07:33:37 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d02050000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:37 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0xf0ffff}, 0x28) [ 1446.820223][T21827] batman_adv: batadv0: Adding interface: veth537 [ 1446.846065][T21827] batman_adv: batadv0: The MTU of interface veth537 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1446.951478][T21827] batman_adv: batadv0: Not using interface veth537 (retrying later): interface not active [ 1446.990176][T21830] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 07:33:37 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000006f002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1447.226601][T21849] batman_adv: batadv0: Adding interface: veth695 [ 1447.253770][T21849] batman_adv: batadv0: The MTU of interface veth695 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1447.360779][T21849] batman_adv: batadv0: Not using interface veth695 (retrying later): interface not active [ 1447.404615][T21850] batman_adv: batadv0: Adding interface: veth497 [ 1447.415558][T21850] batman_adv: batadv0: The MTU of interface veth497 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1447.448858][T21850] batman_adv: batadv0: Not using interface veth497 (retrying later): interface not active [ 1447.484260][T21852] batman_adv: batadv0: Removing interface: veth497 07:33:38 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:38 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011001004000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:38 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x1000000}, 0x28) 07:33:38 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508020000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1447.753245][T21887] batman_adv: batadv0: Adding interface: veth497 [ 1447.759637][T21887] batman_adv: batadv0: The MTU of interface veth497 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1447.856889][T21887] batman_adv: batadv0: Not using interface veth497 (retrying later): interface not active [ 1447.914192][T21890] batman_adv: batadv0: Removing interface: veth497 07:33:38 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000073002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:38 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:38 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x2000000}, 0x28) [ 1448.247388][T21909] batman_adv: batadv0: Adding interface: veth539 [ 1448.269941][T21909] batman_adv: batadv0: The MTU of interface veth539 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1448.371701][T21909] batman_adv: batadv0: Not using interface veth539 (retrying later): interface not active [ 1448.428598][T21919] batman_adv: batadv0: Adding interface: veth697 [ 1448.443152][T21919] batman_adv: batadv0: The MTU of interface veth697 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1448.517432][T21919] batman_adv: batadv0: Not using interface veth697 (retrying later): interface not active 07:33:39 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x4000000}, 0x28) 07:33:39 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011001204000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:39 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03050000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:39 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:39 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508030000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:39 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2820000290002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1449.002111][T21972] batman_adv: batadv0: Adding interface: veth497 [ 1449.008508][T21972] batman_adv: batadv0: The MTU of interface veth497 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:39 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r2, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1449.083041][T21972] batman_adv: batadv0: Not using interface veth497 (retrying later): interface not active [ 1449.215979][T21984] batman_adv: batadv0: Removing interface: veth497 [ 1449.276872][T21971] batman_adv: batadv0: Adding interface: veth541 [ 1449.312101][T21971] batman_adv: batadv0: The MTU of interface veth541 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1449.401682][T21971] batman_adv: batadv0: Not using interface veth541 (retrying later): interface not active [ 1449.514484][T21998] batman_adv: batadv0: Adding interface: veth701 [ 1449.526322][T21998] batman_adv: batadv0: The MTU of interface veth701 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:40 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x8000000}, 0x28) [ 1449.629700][T21998] batman_adv: batadv0: Not using interface veth701 (retrying later): interface not active 07:33:40 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800020010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:40 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011004804000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1449.897744][T22031] batman_adv: batadv0: Adding interface: veth497 [ 1449.917008][T22031] batman_adv: batadv0: The MTU of interface veth497 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:40 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508040000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:40 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0xe000000}, 0x28) [ 1450.051515][T22031] batman_adv: batadv0: Not using interface veth497 (retrying later): interface not active 07:33:40 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r2, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1450.097868][T22035] batman_adv: batadv0: Removing interface: veth497 [ 1450.473072][T22062] batman_adv: batadv0: Adding interface: veth705 [ 1450.480423][T22062] batman_adv: batadv0: The MTU of interface veth705 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:41 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d00060000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1450.559619][T22062] batman_adv: batadv0: Not using interface veth705 (retrying later): interface not active [ 1450.582337][T22069] __nla_validate_parse: 29 callbacks suppressed [ 1450.582351][T22069] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1450.693573][T22046] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1450.705852][T22047] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1450.734951][T22051] batman_adv: batadv0: Adding interface: veth543 07:33:41 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800030010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1450.770684][T22051] batman_adv: batadv0: The MTU of interface veth543 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1450.882648][T22051] batman_adv: batadv0: Not using interface veth543 (retrying later): interface not active [ 1450.932471][T22050] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:33:41 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x3f000000}, 0x28) 07:33:41 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d02000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1451.035873][T22093] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 07:33:41 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508050000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1451.143654][T22096] batman_adv: batadv0: Adding interface: veth497 [ 1451.150064][T22096] batman_adv: batadv0: The MTU of interface veth497 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:41 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r2, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1451.298744][T22096] batman_adv: batadv0: Not using interface veth497 (retrying later): interface not active [ 1451.364788][T22097] batman_adv: batadv0: Removing interface: veth497 [ 1451.443040][T22100] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1451.592465][T22112] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 07:33:42 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x40000000}, 0x28) [ 1451.776322][T22118] batman_adv: batadv0: Adding interface: veth545 [ 1451.803812][T22118] batman_adv: batadv0: The MTU of interface veth545 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1451.853140][T22118] batman_adv: batadv0: Not using interface veth545 (retrying later): interface not active [ 1451.899660][T22119] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1451.999299][T22116] batman_adv: batadv0: Removing interface: veth545 [ 1452.113353][T22123] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1452.155824][T22124] batman_adv: batadv0: Adding interface: veth709 [ 1452.163946][T22124] batman_adv: batadv0: The MTU of interface veth709 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1452.194798][T22124] batman_adv: batadv0: Not using interface veth709 (retrying later): interface not active [ 1452.212583][T22093] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1452.265825][T22133] batman_adv: batadv0: Adding interface: veth497 [ 1452.273735][T22133] batman_adv: batadv0: The MTU of interface veth497 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1452.321067][T22133] batman_adv: batadv0: Not using interface veth497 (retrying later): interface not active [ 1452.357213][T22138] batman_adv: batadv0: Removing interface: veth497 07:33:43 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508060000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:43 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800040010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:43 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:43 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r2, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:43 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x60000000}, 0x28) 07:33:43 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d01060000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:43 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r2, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1452.773602][T22191] batman_adv: batadv0: Adding interface: veth711 [ 1452.787748][T22191] batman_adv: batadv0: The MTU of interface veth711 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1452.888448][T22191] batman_adv: batadv0: Not using interface veth711 (retrying later): interface not active [ 1453.049242][T22203] batman_adv: batadv0: Adding interface: veth545 [ 1453.068951][T22203] batman_adv: batadv0: The MTU of interface veth545 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1453.161592][T22203] batman_adv: batadv0: Not using interface veth545 (retrying later): interface not active [ 1453.200358][T22205] batman_adv: batadv0: Adding interface: veth497 [ 1453.214405][T22205] batman_adv: batadv0: The MTU of interface veth497 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1453.285488][T22205] batman_adv: batadv0: Not using interface veth497 (retrying later): interface not active 07:33:43 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x720e0000}, 0x28) 07:33:44 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r2, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1453.387730][T22190] batman_adv: batadv0: Removing interface: veth545 [ 1453.460214][T22209] batman_adv: batadv0: Removing interface: veth497 07:33:44 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800050010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:44 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508070000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1453.694103][T22203] batman_adv: batadv0: Adding interface: veth545 [ 1453.701692][T22203] batman_adv: batadv0: The MTU of interface veth545 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1453.806295][T22203] batman_adv: batadv0: Not using interface veth545 (retrying later): interface not active 07:33:44 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r2, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1453.882449][T22247] batman_adv: batadv0: Removing interface: veth545 07:33:44 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d02060000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:44 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0xfeffffff}, 0x28) [ 1454.096558][T22267] batman_adv: batadv0: Adding interface: veth713 [ 1454.112059][T22267] batman_adv: batadv0: The MTU of interface veth713 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1454.145273][T22267] batman_adv: batadv0: Not using interface veth713 (retrying later): interface not active 07:33:44 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d05000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:44 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r2, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1454.348413][T22292] batman_adv: batadv0: Adding interface: veth499 [ 1454.362957][T22292] batman_adv: batadv0: The MTU of interface veth499 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1454.458345][T22292] batman_adv: batadv0: Not using interface veth499 (retrying later): interface not active 07:33:45 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0xfffff000}, 0x28) [ 1454.545616][T22297] batman_adv: batadv0: Removing interface: veth499 07:33:45 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508080000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:45 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800060010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:45 executing program 5: socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r2, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1454.815123][T22320] batman_adv: batadv0: Adding interface: veth545 [ 1454.834043][T22320] batman_adv: batadv0: The MTU of interface veth545 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1454.947593][T22320] batman_adv: batadv0: Not using interface veth545 (retrying later): interface not active [ 1454.996541][T22321] batman_adv: batadv0: Removing interface: veth545 07:33:45 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0xfffffffe}, 0x28) [ 1455.217082][T22346] batman_adv: batadv0: Adding interface: veth717 [ 1455.235587][T22346] batman_adv: batadv0: The MTU of interface veth717 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1455.336235][T22346] batman_adv: batadv0: Not using interface veth717 (retrying later): interface not active 07:33:46 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03060000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:46 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800070010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:46 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:46 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0xffffffff}, 0x28) [ 1455.645235][T22314] batman_adv: batadv0: Adding interface: veth545 [ 1455.667437][T22314] batman_adv: batadv0: The MTU of interface veth545 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1455.728963][T22314] batman_adv: batadv0: Not using interface veth545 (retrying later): interface not active [ 1455.784736][T22377] batman_adv: batadv0: Removing interface: veth545 [ 1455.876010][T22333] __nla_validate_parse: 24 callbacks suppressed [ 1455.876023][T22333] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1456.019325][T22394] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:33:46 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508090000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1456.116450][T22397] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1456.214177][T22399] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1456.279324][T22403] batman_adv: batadv0: Adding interface: veth307 [ 1456.301606][T22403] batman_adv: batadv0: The MTU of interface veth307 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1456.371770][T22403] batman_adv: batadv0: Not using interface veth307 (retrying later): interface not active [ 1456.409460][T22407] batman_adv: batadv0: Adding interface: veth501 [ 1456.442438][T22407] batman_adv: batadv0: The MTU of interface veth501 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1456.563225][T22407] batman_adv: batadv0: Not using interface veth501 (retrying later): interface not active [ 1456.597172][T22413] batman_adv: batadv0: Removing interface: veth501 [ 1456.665273][T22424] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1456.752952][T22394] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1456.780274][T22435] batman_adv: batadv0: Adding interface: veth721 [ 1456.812052][T22435] batman_adv: batadv0: The MTU of interface veth721 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1456.865013][T22435] batman_adv: batadv0: Not using interface veth721 (retrying later): interface not active [ 1456.887700][T22439] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1456.932633][T22440] batman_adv: batadv0: Adding interface: veth501 [ 1456.939012][T22440] batman_adv: batadv0: The MTU of interface veth501 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1457.034223][T22440] batman_adv: batadv0: Not using interface veth501 (retrying later): interface not active [ 1457.091767][T22407] batman_adv: batadv0: Removing interface: veth501 07:33:47 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d06000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:47 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) 07:33:47 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:47 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800080010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1457.132805][T22424] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:33:47 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d00070000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:47 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025080a0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1457.208696][T22466] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1457.288094][T22471] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1457.474277][T22487] batman_adv: batadv0: Adding interface: veth545 [ 1457.488372][T22487] batman_adv: batadv0: The MTU of interface veth545 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:48 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0x2}, 0x28) [ 1457.597606][T22487] batman_adv: batadv0: Not using interface veth545 (retrying later): interface not active [ 1457.750276][T22471] batman_adv: batadv0: Removing interface: veth545 [ 1457.859085][T22498] batman_adv: batadv0: Adding interface: veth501 [ 1457.873116][T22498] batman_adv: batadv0: The MTU of interface veth501 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1457.912119][T22498] batman_adv: batadv0: Not using interface veth501 (retrying later): interface not active [ 1457.948313][T22503] batman_adv: batadv0: Adding interface: veth723 07:33:48 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800090010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1457.977554][T22503] batman_adv: batadv0: The MTU of interface veth723 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:48 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1458.065207][T22503] batman_adv: batadv0: Not using interface veth723 (retrying later): interface not active [ 1458.128257][T22502] batman_adv: batadv0: Removing interface: veth501 07:33:48 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0x4}, 0x28) 07:33:48 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025080c0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1458.323764][T22487] batman_adv: batadv0: Adding interface: veth545 [ 1458.330152][T22487] batman_adv: batadv0: The MTU of interface veth545 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1458.472518][T22487] batman_adv: batadv0: Not using interface veth545 (retrying later): interface not active [ 1458.604033][T22535] batman_adv: batadv0: Removing interface: veth545 07:33:49 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d01070000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1458.803388][T22573] batman_adv: batadv0: Adding interface: veth727 [ 1458.809806][T22573] batman_adv: batadv0: The MTU of interface veth727 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1458.928708][T22573] batman_adv: batadv0: Not using interface veth727 (retrying later): interface not active 07:33:49 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d07000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:49 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0x8}, 0x28) 07:33:49 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000a0010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:49 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1459.072792][T22599] batman_adv: batadv0: Adding interface: veth503 [ 1459.107393][T22599] batman_adv: batadv0: The MTU of interface veth503 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:49 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025080e0000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1459.228958][T22599] batman_adv: batadv0: Not using interface veth503 (retrying later): interface not active [ 1459.282306][T22593] batman_adv: batadv0: Removing interface: veth503 07:33:50 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0xe}, 0x28) [ 1459.589287][T22620] batman_adv: batadv0: Adding interface: veth545 [ 1459.613423][T22620] batman_adv: batadv0: The MTU of interface veth545 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1459.706249][T22620] batman_adv: batadv0: Not using interface veth545 (retrying later): interface not active [ 1459.846841][T22625] batman_adv: batadv0: Removing interface: veth545 [ 1459.947096][T22635] batman_adv: batadv0: Adding interface: veth731 [ 1459.967256][T22635] batman_adv: batadv0: The MTU of interface veth731 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1460.044791][T22635] batman_adv: batadv0: Not using interface veth731 (retrying later): interface not active 07:33:50 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:50 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000c0010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1460.144466][T22653] batman_adv: batadv0: Adding interface: veth503 [ 1460.163672][T22653] batman_adv: batadv0: The MTU of interface veth503 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1460.267120][T22653] batman_adv: batadv0: Not using interface veth503 (retrying later): interface not active [ 1460.313653][T22657] batman_adv: batadv0: Removing interface: veth503 07:33:51 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0x60}, 0x28) [ 1460.453830][T22617] batman_adv: batadv0: Adding interface: veth545 [ 1460.460223][T22617] batman_adv: batadv0: The MTU of interface veth545 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1460.556224][T22617] batman_adv: batadv0: Not using interface veth545 (retrying later): interface not active [ 1460.638169][T22672] batman_adv: batadv0: Removing interface: veth545 07:33:51 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508100000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:51 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0xf0}, 0x28) [ 1460.884516][T22679] __nla_validate_parse: 23 callbacks suppressed [ 1460.884529][T22679] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:33:51 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d02070000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:51 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d10000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:51 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1460.996638][T22716] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:33:51 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000e0010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1461.117066][T22724] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1461.244228][T22725] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1461.327819][T22727] batman_adv: batadv0: Adding interface: veth733 [ 1461.339101][T22727] batman_adv: batadv0: The MTU of interface veth733 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1461.369153][T22727] batman_adv: batadv0: Not using interface veth733 (retrying later): interface not active [ 1461.390405][T22728] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1461.511798][T22733] batman_adv: batadv0: Adding interface: veth503 [ 1461.527412][T22733] batman_adv: batadv0: The MTU of interface veth503 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1461.646520][T22733] batman_adv: batadv0: Not using interface veth503 (retrying later): interface not active [ 1461.734152][T22738] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1461.795098][T22739] batman_adv: batadv0: Removing interface: veth503 [ 1461.855783][T22742] batman_adv: batadv0: Adding interface: veth545 [ 1461.868122][T22742] batman_adv: batadv0: The MTU of interface veth545 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1461.965833][T22742] batman_adv: batadv0: Not using interface veth545 (retrying later): interface not active [ 1462.029043][T22747] batman_adv: batadv0: Removing interface: veth545 07:33:52 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0xe00}, 0x28) [ 1462.072382][T22716] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:33:52 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508600000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:52 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1462.161976][T22733] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1462.302006][T22735] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1462.383491][T22738] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:33:53 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03070000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:53 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d12000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:53 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800100010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:53 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0xe72}, 0x28) [ 1462.574259][T22799] batman_adv: batadv0: Adding interface: veth737 07:33:53 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1462.580683][T22799] batman_adv: batadv0: The MTU of interface veth737 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1462.743095][T22799] batman_adv: batadv0: Not using interface veth737 (retrying later): interface not active 07:33:53 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508f00000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1462.943588][T22827] batman_adv: batadv0: Adding interface: veth503 [ 1462.949979][T22827] batman_adv: batadv0: The MTU of interface veth503 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1463.042191][T22827] batman_adv: batadv0: Not using interface veth503 (retrying later): interface not active [ 1463.064578][T22834] batman_adv: batadv0: Adding interface: veth547 [ 1463.089743][T22834] batman_adv: batadv0: The MTU of interface veth547 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:53 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0x3f00}, 0x28) [ 1463.205125][T22834] batman_adv: batadv0: Not using interface veth547 (retrying later): interface not active [ 1463.258622][T22835] batman_adv: batadv0: Removing interface: veth503 [ 1463.444897][T22837] batman_adv: batadv0: Removing interface: veth547 07:33:54 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1463.674385][T22855] batman_adv: batadv0: Adding interface: veth739 [ 1463.689500][T22855] batman_adv: batadv0: The MTU of interface veth739 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1463.796826][T22855] batman_adv: batadv0: Not using interface veth739 (retrying later): interface not active 07:33:54 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0x4000}, 0x28) [ 1463.967125][T22872] batman_adv: batadv0: Adding interface: veth503 [ 1463.979376][T22872] batman_adv: batadv0: The MTU of interface veth503 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1464.062769][T22872] batman_adv: batadv0: Not using interface veth503 (retrying later): interface not active [ 1464.155644][T22876] batman_adv: batadv0: Removing interface: veth503 07:33:54 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800480010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:54 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d48000000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:54 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000300000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:55 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d01080000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:55 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0x6000}, 0x28) 07:33:55 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:55 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0x720e}, 0x28) [ 1464.725341][T22930] batman_adv: batadv0: Adding interface: veth549 [ 1464.734963][T22930] batman_adv: batadv0: The MTU of interface veth549 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1464.845309][T22930] batman_adv: batadv0: Not using interface veth549 (retrying later): interface not active [ 1464.898180][T22949] batman_adv: batadv0: Adding interface: veth503 [ 1464.910084][T22949] batman_adv: batadv0: The MTU of interface veth503 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1464.990615][T22949] batman_adv: batadv0: Not using interface veth503 (retrying later): interface not active 07:33:55 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28004c0010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1465.137640][T22956] batman_adv: batadv0: Removing interface: veth549 07:33:55 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, 0x0, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1465.282651][T22960] batman_adv: batadv0: Removing interface: veth503 [ 1465.347951][T22931] batman_adv: batadv0: Adding interface: veth741 [ 1465.361797][T22931] batman_adv: batadv0: The MTU of interface veth741 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1465.468693][T22931] batman_adv: batadv0: Not using interface veth741 (retrying later): interface not active 07:33:56 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0xf000}, 0x28) 07:33:56 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000500000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1465.640142][T22939] batman_adv: batadv0: Adding interface: veth549 [ 1465.658471][T22939] batman_adv: batadv0: The MTU of interface veth549 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:56 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800600010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1465.726244][T22939] batman_adv: batadv0: Not using interface veth549 (retrying later): interface not active [ 1465.898367][T23002] batman_adv: batadv0: Removing interface: veth549 [ 1465.986251][T23024] __nla_validate_parse: 25 callbacks suppressed [ 1465.986265][T23024] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:33:56 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, 0x0, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1466.121710][T23029] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1466.290248][T23033] batman_adv: batadv0: Adding interface: veth743 [ 1466.302088][T23033] batman_adv: batadv0: The MTU of interface veth743 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1466.335505][T23033] batman_adv: batadv0: Not using interface veth743 (retrying later): interface not active [ 1466.368256][T23049] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1466.422192][T23024] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1466.482033][T23029] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:33:57 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d02010000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:57 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0xf0ffff}, 0x28) 07:33:57 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d02080000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:57 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, 0x0, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:57 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000600000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:57 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800680010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1466.624552][T23074] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1466.734248][T23072] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1466.797760][T23078] batman_adv: batadv0: Adding interface: veth505 [ 1466.809588][T23078] batman_adv: batadv0: The MTU of interface veth505 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1466.890501][T23078] batman_adv: batadv0: Not using interface veth505 (retrying later): interface not active [ 1466.928429][T23079] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1467.012645][T23082] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:33:57 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1467.139503][T23083] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1467.252981][T23086] batman_adv: batadv0: Removing interface: veth505 07:33:58 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0x1000000}, 0x28) [ 1467.439468][T23097] batman_adv: batadv0: Adding interface: veth549 [ 1467.463980][T23097] batman_adv: batadv0: The MTU of interface veth549 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1467.573154][T23097] batman_adv: batadv0: Not using interface veth549 (retrying later): interface not active [ 1467.619496][T23100] batman_adv: batadv0: Adding interface: veth747 [ 1467.635546][T23100] batman_adv: batadv0: The MTU of interface veth747 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1467.715772][T23100] batman_adv: batadv0: Not using interface veth747 (retrying later): interface not active [ 1467.769936][T23099] batman_adv: batadv0: Removing interface: veth549 07:33:58 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1467.907656][T23131] batman_adv: batadv0: Adding interface: veth505 [ 1467.922670][T23131] batman_adv: batadv0: The MTU of interface veth505 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:58 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28006c0010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1468.006418][T23131] batman_adv: batadv0: Not using interface veth505 (retrying later): interface not active [ 1468.084726][T23133] batman_adv: batadv0: Removing interface: veth505 07:33:58 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0x2000000}, 0x28) [ 1468.232865][T23079] batman_adv: batadv0: Adding interface: veth549 [ 1468.239250][T23079] batman_adv: batadv0: The MTU of interface veth549 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:33:58 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000700000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1468.373324][T23079] batman_adv: batadv0: Not using interface veth549 (retrying later): interface not active [ 1468.474232][T23139] batman_adv: batadv0: Removing interface: veth549 [ 1468.707079][T23188] batman_adv: batadv0: Adding interface: veth751 [ 1468.727824][T23188] batman_adv: batadv0: The MTU of interface veth751 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1468.779068][T23188] batman_adv: batadv0: Not using interface veth751 (retrying later): interface not active 07:33:59 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:59 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03080000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:59 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03010000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:33:59 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0x4000000}, 0x28) 07:33:59 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800740010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:59 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000900000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:33:59 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1469.185895][T23232] batman_adv: batadv0: Adding interface: veth505 [ 1469.203519][T23232] batman_adv: batadv0: The MTU of interface veth505 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1469.283971][T23232] batman_adv: batadv0: Not using interface veth505 (retrying later): interface not active [ 1469.359694][T23236] batman_adv: batadv0: Removing interface: veth505 [ 1469.439690][T23237] batman_adv: batadv0: Adding interface: veth549 [ 1469.453397][T23237] batman_adv: batadv0: The MTU of interface veth549 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1469.492436][T23237] batman_adv: batadv0: Not using interface veth549 (retrying later): interface not active [ 1469.557403][T23242] batman_adv: batadv0: Removing interface: veth549 07:34:00 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0x8000000}, 0x28) [ 1469.783152][T23260] batman_adv: batadv0: Adding interface: veth755 [ 1469.789576][T23260] batman_adv: batadv0: The MTU of interface veth755 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1469.911657][T23260] batman_adv: batadv0: Not using interface veth755 (retrying later): interface not active 07:34:00 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28007a0010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1470.098714][T23291] batman_adv: batadv0: Adding interface: veth505 [ 1470.116030][T23291] batman_adv: batadv0: The MTU of interface veth505 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1470.212205][T23291] batman_adv: batadv0: Not using interface veth505 (retrying later): interface not active 07:34:00 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0xe000000}, 0x28) [ 1470.253713][T23231] batman_adv: batadv0: Adding interface: veth549 [ 1470.262312][T23231] batman_adv: batadv0: The MTU of interface veth549 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1470.391559][T23231] batman_adv: batadv0: Not using interface veth549 (retrying later): interface not active [ 1470.443466][T23295] batman_adv: batadv0: Removing interface: veth549 [ 1470.524674][T23296] batman_adv: batadv0: Removing interface: veth505 07:34:01 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:01 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000a00000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:01 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0x3f000000}, 0x28) 07:34:01 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d00090000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:01 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d01020000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:01 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800f00010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1470.988557][T23361] batman_adv: batadv0: Adding interface: veth759 [ 1471.006460][T23361] batman_adv: batadv0: The MTU of interface veth759 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1471.102734][T23361] batman_adv: batadv0: Not using interface veth759 (retrying later): interface not active [ 1471.143239][T23364] __nla_validate_parse: 23 callbacks suppressed [ 1471.143253][T23364] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 07:34:01 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1471.294934][T23362] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1471.347513][T23365] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:34:02 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000310002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1471.512811][T23370] batman_adv: batadv0: Adding interface: veth505 [ 1471.520593][T23370] batman_adv: batadv0: The MTU of interface veth505 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1471.621760][T23370] batman_adv: batadv0: Not using interface veth505 (retrying later): interface not active [ 1471.656013][T23374] batman_adv: batadv0: Adding interface: veth549 [ 1471.674350][T23374] batman_adv: batadv0: The MTU of interface veth549 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1471.741590][T23374] batman_adv: batadv0: Not using interface veth549 (retrying later): interface not active 07:34:02 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0x40000000}, 0x28) [ 1471.796179][T23376] batman_adv: batadv0: Removing interface: veth505 [ 1471.893820][T23377] batman_adv: batadv0: Removing interface: veth549 [ 1471.965347][T23347] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1472.078628][T23386] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 07:34:02 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000c00000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1472.160500][T23403] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1472.238583][T23370] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1472.303053][T23371] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1472.421642][T23435] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:34:03 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, 0x0, &(0x7f0000000200)) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:03 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0x60000000}, 0x28) 07:34:03 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d01090000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:03 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d02020000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1472.557775][T23444] batman_adv: batadv0: Adding interface: veth763 [ 1472.596661][T23444] batman_adv: batadv0: The MTU of interface veth763 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1472.694611][T23444] batman_adv: batadv0: Not using interface veth763 (retrying later): interface not active [ 1472.716319][T23403] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:34:03 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000510002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:03 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0x720e0000}, 0x28) [ 1473.086056][T23471] batman_adv: batadv0: Adding interface: veth507 [ 1473.117750][T23471] batman_adv: batadv0: The MTU of interface veth507 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:03 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000e00000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1473.241890][T23471] batman_adv: batadv0: Not using interface veth507 (retrying later): interface not active [ 1473.313667][T23477] batman_adv: batadv0: Adding interface: veth551 [ 1473.328674][T23477] batman_adv: batadv0: The MTU of interface veth551 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1473.417716][T23477] batman_adv: batadv0: Not using interface veth551 (retrying later): interface not active [ 1473.467018][T23478] batman_adv: batadv0: Removing interface: veth507 [ 1473.557464][T23482] batman_adv: batadv0: Removing interface: veth551 07:34:04 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, 0x0, &(0x7f0000000200)) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:04 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0xfeffffff}, 0x28) [ 1473.860252][T23509] batman_adv: batadv0: Adding interface: veth767 [ 1473.879957][T23509] batman_adv: batadv0: The MTU of interface veth767 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1473.920172][T23509] batman_adv: batadv0: Not using interface veth767 (retrying later): interface not active 07:34:04 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d02090000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1474.034612][T23468] batman_adv: batadv0: Adding interface: veth551 [ 1474.056480][T23468] batman_adv: batadv0: The MTU of interface veth551 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1474.112151][T23468] batman_adv: batadv0: Not using interface veth551 (retrying later): interface not active [ 1474.157716][T23519] batman_adv: batadv0: Removing interface: veth551 07:34:04 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000610002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:05 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0xfffff000}, 0x28) 07:34:05 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508003f00000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1474.496897][T23566] batman_adv: batadv0: Adding interface: veth509 [ 1474.512846][T23566] batman_adv: batadv0: The MTU of interface veth509 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1474.617844][T23566] batman_adv: batadv0: Not using interface veth509 (retrying later): interface not active [ 1474.676284][T23570] batman_adv: batadv0: Removing interface: veth509 07:34:05 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03020000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:05 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, 0x0, &(0x7f0000000200)) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:05 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0xfffffffe}, 0x28) [ 1474.990024][T23594] batman_adv: batadv0: Adding interface: veth771 [ 1475.008883][T23594] batman_adv: batadv0: The MTU of interface veth771 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1475.061686][T23594] batman_adv: batadv0: Not using interface veth771 (retrying later): interface not active [ 1475.218108][T23613] batman_adv: batadv0: Adding interface: veth551 [ 1475.236324][T23613] batman_adv: batadv0: The MTU of interface veth551 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:05 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000710002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1475.272100][T23613] batman_adv: batadv0: Not using interface veth551 (retrying later): interface not active [ 1475.344040][T23616] batman_adv: batadv0: Removing interface: veth551 [ 1475.392599][T23618] batman_adv: batadv0: Adding interface: veth509 [ 1475.399166][T23618] batman_adv: batadv0: The MTU of interface veth509 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1475.474896][T23618] batman_adv: batadv0: Not using interface veth509 (retrying later): interface not active 07:34:06 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100, 0x0, 0x0, 0xffffffff}, 0x28) [ 1475.528128][T23622] batman_adv: batadv0: Removing interface: veth509 07:34:06 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508004000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:06 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:06 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03090000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1475.914126][T23600] batman_adv: batadv0: Adding interface: veth551 [ 1475.939174][T23600] batman_adv: batadv0: The MTU of interface veth551 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:06 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000910002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1476.029280][T23600] batman_adv: batadv0: Not using interface veth551 (retrying later): interface not active [ 1476.106031][T23616] batman_adv: batadv0: Removing interface: veth551 [ 1476.226126][T23677] batman_adv: batadv0: Adding interface: veth775 [ 1476.234774][T23677] batman_adv: batadv0: The MTU of interface veth775 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1476.272945][T23677] batman_adv: batadv0: Not using interface veth775 (retrying later): interface not active [ 1476.296809][T23678] __nla_validate_parse: 23 callbacks suppressed [ 1476.296823][T23678] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 07:34:07 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x78) [ 1476.412705][T23686] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1476.476232][T23688] batman_adv: batadv0: Adding interface: veth509 [ 1476.499465][T23688] batman_adv: batadv0: The MTU of interface veth509 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1476.622541][T23688] batman_adv: batadv0: Not using interface veth509 (retrying later): interface not active [ 1476.663899][T23692] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1476.740685][T23693] batman_adv: batadv0: Removing interface: veth509 [ 1476.829789][T23661] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1476.922442][T23686] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 07:34:07 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:07 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d00030000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:07 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x20000068) 07:34:07 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508655800000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1477.020422][T23692] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1477.072445][T23727] batman_adv: batadv0: Adding interface: veth509 [ 1477.080036][T23727] batman_adv: batadv0: The MTU of interface veth509 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:07 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000a10002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1477.188945][T23727] batman_adv: batadv0: Not using interface veth509 (retrying later): interface not active [ 1477.236998][T23732] batman_adv: batadv0: Removing interface: veth509 [ 1477.303336][T23741] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1477.393840][T23742] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1477.488688][T23743] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 07:34:08 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f21094a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) accept4$unix(r0, &(0x7f0000000080)=@abs, &(0x7f0000000100)=0x6e, 0x80000) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1477.613414][T23751] batman_adv: batadv0: Adding interface: veth551 [ 1477.619806][T23751] batman_adv: batadv0: The MTU of interface veth551 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1477.729030][T23751] batman_adv: batadv0: Not using interface veth551 (retrying later): interface not active [ 1477.782814][T23753] batman_adv: batadv0: Adding interface: veth779 [ 1477.789202][T23753] batman_adv: batadv0: The MTU of interface veth779 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1477.887436][T23753] batman_adv: batadv0: Not using interface veth779 (retrying later): interface not active [ 1477.928994][T23754] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1478.033704][T23757] batman_adv: batadv0: Removing interface: veth551 07:34:08 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:08 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) getpid() socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) 07:34:08 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508006000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:09 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d000a0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:09 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000c10002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:09 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d01030000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:09 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r2, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:09 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f00000023c0)='/dev/dlm_plock\x00', 0x220000, 0x0) ioctl$HCIINQUIRY(r1, 0x800448f0, &(0x7f0000002400)={0x3, 0x9, "fdef8d", 0xff, 0x1}) r2 = socket$inet(0x2, 0x4000000805, 0x0) r3 = socket$inet_sctp(0x2, 0x5, 0x84) openat$cgroup_freezer_state(r1, &(0x7f0000001a40)='freezer.state\x00', 0x2, 0x0) r4 = dup3(r2, r3, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000040)=[@in={0x2, 0x4e20, @empty}], 0x10) sendto$inet(r4, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r3, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x6c, &(0x7f000059aff8)={r5}, &(0x7f000034f000)=0x2059b000) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000001a00)={r5, 0x8, 0xa, [0x0, 0x7, 0x9, 0x7ff, 0x80, 0x3, 0x5, 0x1, 0x1, 0x3]}, 0x1c) r6 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000380)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r7, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) recvmsg$kcm(r6, &(0x7f00000019c0)={0x0, 0x0, &(0x7f00000018c0)=[{&(0x7f0000000080)=""/79, 0x4f}, {&(0x7f0000000100)=""/149, 0x95}, {&(0x7f0000000540)=""/4096, 0x1000}, {&(0x7f0000001540)=""/223, 0xdf}, {&(0x7f0000001640)=""/233, 0xe9}, {&(0x7f0000000280)=""/177, 0xb1}, {&(0x7f0000001740)=""/143, 0x8f}, {&(0x7f00000001c0)=""/48, 0x30}, {&(0x7f0000001800)=""/184, 0xb8}, {&(0x7f00000004c0)=""/54, 0x36}], 0xa, &(0x7f0000001980)=""/22, 0x16}, 0x40) [ 1478.722495][T23844] batman_adv: batadv0: Adding interface: veth783 [ 1478.729281][T23844] batman_adv: batadv0: The MTU of interface veth783 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1478.823164][T23844] batman_adv: batadv0: Not using interface veth783 (retrying later): interface not active [ 1478.943847][T23851] batman_adv: batadv0: Adding interface: veth509 [ 1478.950448][T23851] batman_adv: batadv0: The MTU of interface veth509 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1479.049400][T23851] batman_adv: batadv0: Not using interface veth509 (retrying later): interface not active [ 1479.106802][T23839] batman_adv: batadv0: Removing interface: veth509 07:34:09 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r2, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1479.227974][T23867] batman_adv: batadv0: Adding interface: veth553 [ 1479.247410][T23867] batman_adv: batadv0: The MTU of interface veth553 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:09 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000e10002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1479.340496][T23867] batman_adv: batadv0: Not using interface veth553 (retrying later): interface not active [ 1479.387384][T23870] batman_adv: batadv0: Removing interface: veth553 07:34:10 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r2, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:10 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508586500000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1479.656955][T23902] batman_adv: batadv0: Adding interface: veth509 [ 1479.683331][T23902] batman_adv: batadv0: The MTU of interface veth509 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1479.795158][T23902] batman_adv: batadv0: Not using interface veth509 (retrying later): interface not active [ 1479.873879][T23907] batman_adv: batadv0: Removing interface: veth509 [ 1479.914023][T23847] batman_adv: batadv0: Adding interface: veth553 [ 1479.920411][T23847] batman_adv: batadv0: The MTU of interface veth553 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1480.032668][T23847] batman_adv: batadv0: Not using interface veth553 (retrying later): interface not active [ 1480.092695][T23913] batman_adv: batadv0: Removing interface: veth553 07:34:10 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:10 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000540)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b7040000000000009500080000000000239d922c90d1db58fce7df486c000400005121eddc91c889be601ad8d7dd6f214a4a764f17b50000000000000000000064df93a970699b51eda73498190cb8a783a7f9f7951753e1b10078cdfe2197a412e2171965068c0d6a86024f8d425224b3065ee7b8d4fd166f0176d7b1d24b65a1ab75c17a136c51989e2a864131b9c340bbbc6999002ae53618be70d075c180555059c94b77199cb2c18df59ac661c4e24dfc1c8cae7a7bb16b206812cffe5136adbd88c5d6d78012386892cbef033bcd6d3d7722e3a3345944025b368d927c6e29954c6f8de7e099df1e585ca6859c37e5848a33a8bcdaeedc0b88d7df7e4275f7edf285079213242f63a2e33d927785374f1eca0dd1bb29ea714d6e25ea4a0b46522d32901a5bfc6f3331c0dd1ba47d6ab08795694455026dde6cd8c46a794b38853c2f811b422ec3aee21b2009abe96a31badedb131807b5ea2c6656051b2107204f5d1099a843fdb93734f56f56d8de69ed5ce7ee0fca57611eaaee52cf12625c341afd8cb86ca12e8fd94ffa3c27a069b49112"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1480.274463][T23941] batman_adv: batadv0: Adding interface: veth787 [ 1480.301814][T23941] batman_adv: batadv0: The MTU of interface veth787 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:10 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800bc1c10002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1480.378771][T23941] batman_adv: batadv0: Not using interface veth787 (retrying later): interface not active 07:34:11 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d010a0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:11 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d02030000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:11 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) setsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x24, &(0x7f0000000080)={@multicast1, @broadcast}, 0xc) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffff137aa4f0b6ff00000000b7060000ff26f1850004ffffff2d64050000ff0000650404a6b39d93b09fdb00010000000404000001007d60b70a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c008200005121eddcd904d19ef8883600dd"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x1, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000)={0x2}, 0x8, 0x10, &(0x7f0000000000), 0x10}, 0x78) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) 07:34:11 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:11 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508008100000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:11 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:11 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800bd1c10002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:11 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7000000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1480.857884][T23996] batman_adv: batadv0: Adding interface: veth509 [ 1480.874535][T23996] batman_adv: batadv0: The MTU of interface veth509 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1480.979651][T23996] batman_adv: batadv0: Not using interface veth509 (retrying later): interface not active [ 1481.053326][T23980] batman_adv: batadv0: Adding interface: veth553 [ 1481.059754][T23980] batman_adv: batadv0: The MTU of interface veth553 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1481.110135][T23980] batman_adv: batadv0: Not using interface veth553 (retrying later): interface not active [ 1481.137145][T24000] batman_adv: batadv0: Adding interface: veth789 [ 1481.155588][T24000] batman_adv: batadv0: The MTU of interface veth789 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1481.244061][T24000] batman_adv: batadv0: Not using interface veth789 (retrying later): interface not active [ 1481.272610][T23988] batman_adv: batadv0: Removing interface: veth509 [ 1481.390706][T24009] batman_adv: batadv0: Removing interface: veth553 [ 1481.452933][T24013] __nla_validate_parse: 21 callbacks suppressed [ 1481.452946][T24013] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:34:12 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1481.644395][T23983] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1481.667567][T23980] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 07:34:12 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000001000250800f000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:12 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = accept4$packet(r1, 0x0, &(0x7f0000000080), 0x80000) setsockopt$packet_rx_ring(r2, 0x107, 0x5, &(0x7f00000000c0)=@req3={0x7, 0x200, 0x1, 0x9, 0x5, 0x60c1, 0xca}, 0x1c) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r3, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1481.758021][T23996] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1481.882661][T24035] batman_adv: batadv0: Adding interface: veth509 [ 1481.889066][T24035] batman_adv: batadv0: The MTU of interface veth509 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1481.958601][T24035] batman_adv: batadv0: Not using interface veth509 (retrying later): interface not active [ 1482.016009][T23991] batman_adv: batadv0: Adding interface: veth553 [ 1482.037620][T23991] batman_adv: batadv0: The MTU of interface veth553 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:12 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0xc3200, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000000), 0x10}, 0x78) ioctl$EXT4_IOC_MIGRATE(r1, 0x6609) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1482.124278][T23991] batman_adv: batadv0: Not using interface veth553 (retrying later): interface not active [ 1482.205247][T24036] batman_adv: batadv0: Removing interface: veth553 [ 1482.269815][T24037] batman_adv: batadv0: Removing interface: veth509 [ 1482.359633][T24013] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1482.457906][T24054] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1482.602219][T24063] batman_adv: batadv0: Adding interface: veth791 [ 1482.608608][T24063] batman_adv: batadv0: The MTU of interface veth791 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1482.702930][T24063] batman_adv: batadv0: Not using interface veth791 (retrying later): interface not active [ 1482.742243][T24054] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:34:13 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d020a0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:13 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:13 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800be1c10002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:13 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03030000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:13 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000)={0xa}, 0x8, 0x10, &(0x7f0000000000), 0x10}, 0x78) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1482.861027][T24097] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:34:13 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025085be505000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:13 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1482.970447][T24104] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1483.095350][T24107] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1483.183797][T24116] batman_adv: batadv0: Adding interface: veth509 [ 1483.190185][T24116] batman_adv: batadv0: The MTU of interface veth509 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1483.237137][T24116] batman_adv: batadv0: Not using interface veth509 (retrying later): interface not active [ 1483.264872][T24119] batman_adv: batadv0: Adding interface: veth553 07:34:13 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800002010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1483.272632][T24119] batman_adv: batadv0: The MTU of interface veth553 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1483.323908][T24119] batman_adv: batadv0: Not using interface veth553 (retrying later): interface not active [ 1483.380374][T24123] batman_adv: batadv0: Removing interface: veth509 07:34:14 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$SNDCTL_SEQ_CTRLRATE(r1, 0xc0045103, &(0x7f0000000080)=0xfffffffe) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1483.458956][T24126] batman_adv: batadv0: Removing interface: veth553 07:34:14 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1483.603135][T24139] batman_adv: batadv0: Adding interface: veth795 [ 1483.622046][T24139] batman_adv: batadv0: The MTU of interface veth795 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1483.720688][T24139] batman_adv: batadv0: Not using interface veth795 (retrying later): interface not active 07:34:14 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000080)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000005000000010000000404000001007d60b7030000000000006a0a00fefcff000085005700000d000000b700000000000000950008000000000023b5922c90d1db26e58a72c306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1483.992867][T24171] batman_adv: batadv0: Adding interface: veth509 [ 1483.999265][T24171] batman_adv: batadv0: The MTU of interface veth509 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:14 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025085ce505000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1484.089466][T24171] batman_adv: batadv0: Not using interface veth509 (retrying later): interface not active [ 1484.128189][T24123] batman_adv: batadv0: Removing interface: veth509 [ 1484.269243][T24200] batman_adv: batadv0: Adding interface: veth799 [ 1484.283179][T24200] batman_adv: batadv0: The MTU of interface veth799 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:14 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d030a0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:14 executing program 4: ioctl$HIDIOCSUSAGES(0xffffffffffffffff, 0x501c4814, &(0x7f0000000880)={{0x3, 0x2, 0x7, 0x3, 0x8, 0x7}, 0x27e, [0x401, 0x1, 0x6, 0x6, 0x5, 0x3, 0x401, 0x8001, 0xfffffffb, 0x7, 0x5, 0x81, 0x6, 0x1, 0x9, 0x3ff, 0xfff, 0x6, 0x7, 0x4, 0x0, 0x40, 0x8000, 0x0, 0xffffff00, 0xfffffffb, 0x1a3, 0x9, 0x8e, 0x800, 0x1, 0x4, 0x9, 0x3, 0x3, 0x38000000, 0xfffffc01, 0x9, 0x9, 0x101, 0x42, 0x200, 0x7d1b, 0x6, 0xfc9e, 0x7, 0x400, 0x20, 0xfcf, 0x9, 0x812e, 0x80a, 0x401, 0x400, 0x5, 0xfffffffd, 0x0, 0xb6, 0x4, 0x0, 0x6, 0x6, 0x3, 0x3, 0x1, 0x3ff, 0x2, 0xb4, 0x7ff, 0x833, 0x3, 0x1, 0x200, 0x177a, 0x8001, 0x10000, 0xb13, 0x1, 0x6, 0x1172, 0x6, 0x7fffffff, 0x7, 0x5, 0xe, 0x2, 0xfffff32c, 0x80000000, 0x6, 0x1, 0x8, 0x0, 0x8, 0x800, 0x7, 0x1, 0x6, 0x9, 0xfff, 0x5, 0x7, 0x7, 0x2, 0x0, 0xfffffabd, 0x0, 0x1, 0x3, 0x0, 0x79, 0x3, 0x80000001, 0xffff8000, 0x80000001, 0x0, 0x1, 0x400, 0x3f, 0xd6, 0x3, 0xeeaa, 0x1, 0x3, 0x2, 0x2, 0x386, 0x1, 0x0, 0xb8, 0x81, 0x0, 0x768, 0x3, 0x8af6, 0x5755aa72, 0x7fffffff, 0x8001, 0x7ff, 0x0, 0x2, 0x3ff, 0x2ef2, 0xfffffff8, 0x0, 0x38000000, 0xffffffff, 0x0, 0x400, 0xfeb, 0x1, 0x4, 0x3ff, 0xb, 0x8001, 0x7fff, 0x100, 0x200, 0x7, 0x0, 0x100, 0x7, 0x9, 0x7, 0x30, 0x136, 0xfffffff7, 0x10001, 0x1, 0x8, 0x1, 0x80000000, 0xfff, 0x9, 0x94, 0x7, 0x8, 0x0, 0x455, 0x9, 0x6, 0x7, 0x100, 0x9d45, 0x0, 0x3f, 0x8000, 0x7, 0x401, 0x1, 0x4, 0x36, 0xfffff801, 0x3, 0xfffffffd, 0x2, 0x7, 0x40, 0x6, 0x8001, 0x0, 0xd55, 0x1f, 0xfff, 0x9f, 0x6, 0x4, 0x0, 0x5, 0xe32d, 0x400, 0xdb9, 0x1, 0x5, 0x2, 0x62f, 0x3, 0x0, 0xc9edf04, 0x6, 0x80000000, 0x7, 0x2, 0x20000000, 0xc7b, 0x7, 0x1, 0x401, 0x10000, 0x10001, 0x18, 0x1, 0x2, 0x1f, 0x1, 0x400, 0x19400, 0x9, 0x200, 0x1, 0x5, 0x1, 0x92a, 0x9, 0x101, 0x9, 0x3, 0x5, 0x4, 0xea84, 0x9, 0x5, 0x2, 0x4, 0x5, 0x6, 0x9, 0x800, 0x0, 0x1, 0x8, 0x1, 0x6, 0x1, 0x80000001, 0x401, 0x4, 0x1, 0x8, 0x7, 0x6, 0xfffff356, 0x7, 0x7, 0x9, 0xe3b, 0x84, 0x7f, 0x3, 0x800, 0x6, 0x6, 0xc, 0x0, 0x5, 0x7fffffff, 0x4, 0x0, 0x1, 0x4, 0x5, 0x80000001, 0x1, 0x9, 0x3, 0x7352, 0x401, 0x800, 0x2, 0x63, 0x1, 0x68, 0x4, 0xffffff00, 0x4, 0x6, 0x200, 0x800, 0x0, 0x3, 0x200, 0x4c, 0x0, 0xdc19, 0x46d6, 0x0, 0x5, 0x2, 0x3, 0x1, 0x80000000, 0x80000000, 0xc2dd, 0x3f, 0x100, 0x40, 0xf4, 0x0, 0x1, 0x5, 0x81, 0x3, 0x0, 0x8, 0x9, 0x2, 0x4, 0x6, 0x6, 0x6, 0x401, 0xd6, 0x2, 0x31ec, 0x1ff, 0xe716, 0x0, 0x80000001, 0x8001, 0x55, 0x7f, 0x2, 0x5, 0x100, 0x6, 0x0, 0x6, 0x6, 0x2, 0x1, 0x9, 0x100, 0x8, 0x80000001, 0x7, 0x3, 0x9, 0x7, 0x20, 0x3ff, 0x8000, 0xa24e, 0x5, 0x21d, 0x6, 0xa42, 0x4, 0x7ff, 0xffffffff, 0x7fffffff, 0x0, 0x0, 0x9, 0x4, 0x1, 0x2, 0x40, 0x23, 0x7fff, 0x10001, 0xfff, 0x7, 0x3, 0x2, 0x2, 0xfff, 0x0, 0x3, 0x3, 0x10001, 0x1f, 0x5, 0x8, 0x7, 0x9, 0x1, 0x7, 0x7fff, 0x7, 0xbf, 0x6, 0x7fffffff, 0x9, 0xe7a, 0x3, 0xf143, 0xa2, 0x2, 0xffffffd4, 0xfffffffd, 0x100, 0x5, 0x1, 0x80, 0xf27, 0x8, 0x10001, 0x7, 0x66, 0x7, 0x140000, 0xbd79, 0x7f, 0x7f, 0xd3, 0x6, 0xb8f, 0x4, 0x4, 0x0, 0x1, 0x0, 0x2, 0x9, 0x79c, 0x0, 0x401, 0x9, 0x400, 0x8, 0x8, 0x2, 0x80000000, 0xc2c, 0x81, 0xfff, 0x3, 0x4, 0x1, 0x9, 0x8, 0x8, 0x142, 0x0, 0x8000, 0x5, 0x0, 0xfffff000, 0x1, 0x7, 0x9, 0x7, 0x4, 0x2, 0x6a2, 0x2aaa, 0x266, 0x5, 0x5a, 0x7, 0x9, 0x10000, 0x7, 0x3001, 0xed48, 0x10000, 0xff, 0xa5d1, 0x3, 0x5, 0x15, 0x8, 0x10000, 0x24000000, 0x251a5fe4, 0x8001, 0x8000, 0x3, 0x2, 0x1f129f7e, 0x3, 0x7ec8, 0x4, 0x393, 0xd76, 0x8001, 0x3, 0x9, 0x200, 0x5, 0x800, 0x7, 0x10001, 0xff, 0x7, 0x80000001, 0x400, 0x5, 0x7, 0x5, 0x14428ecd, 0x1, 0x10001, 0x9, 0x8, 0xfffffff7, 0x8, 0xeac, 0x10000, 0xfffffff8, 0x0, 0x2, 0x7, 0xa20, 0x1, 0xc3, 0x7dd6ef8, 0x5, 0x2, 0x4e6, 0x6, 0x204, 0x3f, 0xf53, 0x6, 0x7, 0x1f, 0x0, 0x175d, 0x6, 0x0, 0x1, 0x9, 0x5, 0x8, 0x9, 0x6, 0x401, 0x5, 0xffffffff, 0xfff, 0xfffffffe, 0x5, 0x1, 0x81, 0xe46, 0x2, 0x5, 0x7, 0x6, 0x9, 0x7ff, 0x8, 0x3, 0x9, 0x1000, 0x636b31eb, 0x200, 0x800, 0x7, 0x1000, 0x10001, 0x200, 0x9, 0x4, 0x0, 0xfffffffd, 0x7, 0x1000, 0x5, 0x632, 0x7ff, 0xf24, 0x2ab, 0xffff, 0x101, 0xe0b, 0x0, 0x7976, 0x5, 0x2, 0x5, 0x4, 0x2, 0x5, 0x2, 0xffffff7f, 0x7, 0x816c, 0x0, 0x1, 0x7, 0x4b54, 0x2, 0x101, 0x7, 0x66f, 0x3, 0x7fff, 0x3f, 0xffff, 0x7, 0x1ff, 0x5, 0x0, 0x4, 0x400, 0x3e, 0x6b3ff683, 0x2, 0x6, 0x1, 0x3, 0x7, 0x3f2c, 0x1bf4eac7, 0x2, 0x13, 0x5, 0x40, 0x4c9, 0xffffb731, 0x0, 0x400, 0x3, 0x80000000, 0x9, 0x91, 0xfffffff8, 0x99, 0x7, 0x4, 0x9, 0x7, 0x7f, 0x81, 0xb7, 0x5, 0x10001, 0x5, 0x4, 0x3, 0x9, 0x4, 0x4, 0x7, 0x7ff, 0x6, 0x1, 0x7, 0x9, 0xeb2, 0x5, 0x9, 0x0, 0x5, 0x401, 0x4, 0x4, 0x80000001, 0x0, 0x6, 0x8, 0x8001, 0xc06, 0x4, 0x10001, 0x1, 0x3ff, 0x3, 0x200, 0x4, 0x3ff, 0x626b, 0x20, 0x200, 0xea, 0x8001, 0x80, 0x7, 0xfff, 0x7f, 0x8, 0xffff, 0xffffff00, 0x1000, 0xd4, 0x8000, 0x1, 0x101, 0xd5b2, 0x1000, 0x8, 0x2, 0x0, 0x6, 0xed1, 0x5, 0x2, 0x30bf58a6, 0x7, 0x1, 0x5, 0x3, 0x3, 0x40000000, 0x7f, 0x6, 0x3, 0x1, 0xfff, 0x10001, 0x2, 0xff800, 0x0, 0x8, 0x51bb5c6a, 0xffff, 0x0, 0x5907, 0x8, 0x30ec1ce5, 0x4, 0x2, 0x5, 0x3, 0x0, 0xff, 0x9, 0x3f4a035c, 0xfff, 0xff, 0xd950, 0x7a1c, 0x8, 0x1, 0x9, 0x4, 0x71, 0x1ff, 0x100, 0x7, 0x35a, 0x6, 0x1, 0x5, 0x6, 0x80000000, 0x7fff, 0x1, 0x8, 0xff, 0x7, 0x6, 0x7, 0xe94, 0xbdd, 0x7ff, 0x3, 0x3f, 0x20, 0x5, 0xfffffe01, 0x54, 0x81, 0x1, 0x400, 0x93, 0x7, 0x80000001, 0x1, 0x3f, 0xff, 0x9, 0x401, 0x46b, 0x5, 0x81, 0xe9b8, 0x8001, 0x20, 0x8, 0x7, 0x101, 0xdc7, 0x3ff, 0xfffffffb, 0x6, 0x80000000, 0xff, 0x1, 0x6, 0x9, 0xd4, 0x2045, 0x2, 0x8, 0x80000001, 0x5, 0x4a, 0x5, 0x4, 0x6, 0x7, 0x7f0beda0, 0x7fff, 0x9, 0x1, 0xfff, 0x4, 0x200, 0xc71e, 0x1f, 0x8000, 0x4, 0x7, 0x9, 0x1ff, 0x800, 0x87ac, 0x4a, 0x9, 0x1, 0x2, 0x20bf, 0x96, 0x3, 0xc, 0xffffff01, 0xfffffff7, 0xffffff81, 0x8, 0x400, 0x44f5, 0x2, 0x0, 0xffffffe0, 0x10001, 0x0, 0x8001, 0x9f, 0x80, 0x1fb, 0x7, 0x1ff, 0xa0cc, 0x7fffffff, 0xffffffff, 0x8, 0x5, 0x5, 0x100, 0x200, 0xbf, 0x81, 0xfffffffd, 0x80000000, 0x1, 0x0, 0x8, 0x1c53, 0x8001, 0x7fffffff, 0x7, 0x14000000, 0x9, 0x9, 0x0, 0x0, 0x1, 0x10001, 0x1ff, 0x8e6f, 0x5, 0x9, 0x7fff, 0xfffffffd, 0x0, 0x0, 0x2, 0x81, 0x6, 0x58c, 0xfffffffe, 0x1, 0xed, 0x4, 0x7, 0xd76e6b18, 0x1, 0x80000001, 0x3f, 0x1000, 0x1, 0x10001, 0x8, 0x729, 0x4, 0x8, 0xd167, 0x3f, 0x2, 0x9, 0x8, 0x8, 0x80000000, 0x7ff, 0x900, 0x1, 0x8596, 0xffffff00, 0x7, 0x9, 0x1, 0x9, 0x101, 0x9, 0x3, 0x200, 0x81, 0x4, 0x2, 0x8001, 0x1000, 0x9, 0x10000, 0xc34c, 0x8, 0x2, 0x7, 0xffffff7f, 0x4, 0xffff, 0x1, 0x0, 0xa9, 0x7, 0x800, 0x1, 0x0, 0x8, 0x480000, 0x2da8, 0x1, 0x3826, 0x7fffffff, 0xfff, 0x100, 0xffff, 0xe54d, 0x3ca5, 0xc716, 0x8, 0x2, 0x2, 0xd2, 0x200, 0x3, 0x7, 0x3, 0x9, 0x200, 0x401, 0x91, 0x98, 0xc6, 0xc8, 0x27, 0x30000, 0x4, 0x9, 0x3, 0x8, 0x401, 0x1, 0x3, 0x8, 0x8001, 0x8, 0x3e, 0x42504d72, 0x200, 0x8, 0x6, 0x3, 0x81, 0x13, 0x9, 0x1, 0x9, 0x8, 0x7, 0x4, 0x20, 0x7fff, 0x2, 0x1, 0x8001, 0x2, 0x7, 0x9, 0x9, 0x3f, 0x3, 0xffffffff]}) r0 = socket$netlink(0x10, 0x3, 0x9ff2a83f0089c4c7) sendmsg$BATADV_CMD_GET_BLA_BACKBONE(r0, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000280)={0x64, 0x0, 0x8, 0x70bd27, 0x25dfdbff, {}, [@BATADV_ATTR_FRAGMENTATION_ENABLED={0x5}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0xd8490ef14b4f7cd1}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5}, @BATADV_ATTR_BONDING_ENABLED={0x5}, @BATADV_ATTR_HARD_IFINDEX={0x8}, @BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0x6}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x2}, @BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0x5}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5}]}, 0x64}, 0x1, 0x0, 0x0, 0x40080}, 0x4000) socketpair(0x0, 0x0, 0x0, 0x0) ioctl$sock_SIOCGIFVLAN_SET_VLAN_NAME_TYPE_CMD(r0, 0x8982, &(0x7f0000000380)={0x6, 'veth0_macvtap\x00', {0xffff8001}, 0x5}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$FS_IOC_GETFSMAP(r2, 0xc0c0583b, &(0x7f0000000540)={0x0, 0x0, 0xa, 0x0, [], [{0x3, 0x8, 0x6, 0x1, 0x6, 0xfffffffffffffffd}, {0x0, 0x7, 0xffff, 0x5, 0x4}], [[], [], [], [], [], [], [], [], [], []]}) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000080)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feff0a78fcc5fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5da214eb37514d84df66dfefb12c2878a81a30b49a1a000a1645c919733e6f8507f05ab5f816d06ffc64c8985"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r3, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) 07:34:14 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:14 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800003f10002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:14 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d02040000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1484.452022][T24200] batman_adv: batadv0: Not using interface veth799 (retrying later): interface not active 07:34:15 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:15 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025085de505000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1484.765460][T24237] batman_adv: batadv0: Adding interface: veth509 [ 1484.789581][T24237] batman_adv: batadv0: The MTU of interface veth509 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:15 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$sock_SIOCSIFVLAN_SET_VLAN_EGRESS_PRIORITY_CMD(r0, 0x8983, &(0x7f0000000080)={0x3, 'ip6gre0\x00', {0x6}, 0x40}) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1484.886862][T24237] batman_adv: batadv0: Not using interface veth509 (retrying later): interface not active [ 1484.924657][T24240] batman_adv: batadv0: Adding interface: veth553 07:34:15 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800004010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1484.938228][T24240] batman_adv: batadv0: The MTU of interface veth553 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1485.050857][T24240] batman_adv: batadv0: Not using interface veth553 (retrying later): interface not active [ 1485.122275][T24241] batman_adv: batadv0: Removing interface: veth509 [ 1485.244591][T24244] batman_adv: batadv0: Removing interface: veth553 07:34:15 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1485.429514][T24259] batman_adv: batadv0: Adding interface: veth801 [ 1485.446598][T24259] batman_adv: batadv0: The MTU of interface veth801 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1485.532387][T24259] batman_adv: batadv0: Not using interface veth801 (retrying later): interface not active [ 1485.762152][T24233] batman_adv: batadv0: Adding interface: veth553 [ 1485.772657][T24233] batman_adv: batadv0: The MTU of interface veth553 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1485.869210][T24233] batman_adv: batadv0: Not using interface veth553 (retrying later): interface not active [ 1485.950573][T24285] batman_adv: batadv0: Removing interface: veth553 [ 1486.029880][T24282] batman_adv: batadv0: Adding interface: veth509 [ 1486.046654][T24282] batman_adv: batadv0: The MTU of interface veth509 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1486.088947][T24282] batman_adv: batadv0: Not using interface veth509 (retrying later): interface not active [ 1486.138183][T24287] batman_adv: batadv0: Removing interface: veth509 07:34:16 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:16 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03040000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:16 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d000b0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:16 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800004810002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:16 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) setsockopt$bt_l2cap_L2CAP_OPTIONS(0xffffffffffffffff, 0x6, 0x1, &(0x7f0000000080)={0x2, 0xfff, 0x1ff, 0xe0, 0x80, 0x5, 0xf001}, 0xc) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) 07:34:16 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508fffff0000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1486.479898][T24332] __nla_validate_parse: 21 callbacks suppressed [ 1486.479912][T24332] netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1486.545686][T24334] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1486.690771][T24335] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1486.830510][T24346] batman_adv: batadv0: Adding interface: veth509 [ 1486.845014][T24346] batman_adv: batadv0: The MTU of interface veth509 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1486.917813][T24346] batman_adv: batadv0: Not using interface veth509 (retrying later): interface not active [ 1486.953878][T24340] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1487.050505][T24331] batman_adv: batadv0: Adding interface: veth553 07:34:17 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1487.078813][T24331] batman_adv: batadv0: The MTU of interface veth553 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1487.194411][T24331] batman_adv: batadv0: Not using interface veth553 (retrying later): interface not active [ 1487.235964][T24350] batman_adv: batadv0: Removing interface: veth509 07:34:17 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioprio_set$uid(0x0, 0xee00, 0x6000) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff00008500006a6a2274b567a424812092172e000d000000b70000005a000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19e"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000080)="b9ff0300000d698cb89e14f08848000f88fa860aba00638877fbac141421e9eadd1adbc8261633e4fd03519a3ed8d4", 0x0, 0xfc, 0x0, 0xfffffffffffffe9a}, 0x28) [ 1487.324061][T24352] batman_adv: batadv0: Removing interface: veth553 [ 1487.413758][T24356] batman_adv: batadv0: Adding interface: veth805 [ 1487.434099][T24356] batman_adv: batadv0: The MTU of interface veth805 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1487.477734][T24356] batman_adv: batadv0: Not using interface veth805 (retrying later): interface not active [ 1487.510063][T24335] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1487.528256][T24378] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 07:34:18 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800004c10002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1487.649585][T24346] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1487.705407][T24379] netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1487.755029][T24340] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1487.779273][T24331] batman_adv: batadv0: Adding interface: veth553 07:34:18 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:18 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000010000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1487.797201][T24331] batman_adv: batadv0: The MTU of interface veth553 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1487.839665][T24331] batman_adv: batadv0: Not using interface veth553 (retrying later): interface not active [ 1487.913334][T24391] batman_adv: batadv0: Removing interface: veth553 [ 1488.003098][T24414] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:34:18 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$EVIOCSFF(0xffffffffffffffff, 0x40304580, &(0x7f0000000080)={0x54, 0x6, 0x1f, {0x4, 0x7}, {0x38d, 0xfff}, @ramp={0x9, 0x1ff, {0x6, 0x16, 0x3, 0x6}}}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) 07:34:18 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d010b0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:18 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d54040000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:18 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1488.288127][T24436] batman_adv: batadv0: Adding interface: veth807 [ 1488.297253][T24436] batman_adv: batadv0: The MTU of interface veth807 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1488.380848][T24436] batman_adv: batadv0: Not using interface veth807 (retrying later): interface not active [ 1488.434183][T24449] batman_adv: batadv0: Adding interface: veth511 [ 1488.440573][T24449] batman_adv: batadv0: The MTU of interface veth511 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:19 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800655810002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1488.523443][T24449] batman_adv: batadv0: Not using interface veth511 (retrying later): interface not active [ 1488.549579][T24454] batman_adv: batadv0: Removing interface: veth511 07:34:19 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r1, 0x18000000000002a0, 0x1f, 0x0, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac101421e9", 0x0, 0x100, 0x0, 0x0, 0x15, &(0x7f0000000000), &(0x7f0000000080)="a34600d4a4c82b12d3000000004049bd1cf17a8699"}, 0x40) 07:34:19 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:19 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000020000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1488.916799][T24471] batman_adv: batadv0: Adding interface: veth553 [ 1488.928710][T24471] batman_adv: batadv0: The MTU of interface veth553 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1489.010277][T24471] batman_adv: batadv0: Not using interface veth553 (retrying later): interface not active [ 1489.080562][T24479] batman_adv: batadv0: Removing interface: veth553 07:34:19 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) r2 = socket(0x10, 0x803, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="34000000100081eee80000040000000010000000", @ANYRES32=r5, @ANYBLOB="0000000000000000140012000c000100627269646765"], 0x34}}, 0x0) sendmsg$nl_route(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=@ipv6_newaddr={0x40, 0x14, 0x9535393fea6295b5, 0x0, 0x0, {0xa, 0x0, 0x0, 0x0, r5}, [@IFA_LOCAL={0x14, 0x2, @private2}, @IFA_ADDRESS={0x14, 0x1, @initdev={0xfe, 0x88, [], 0x0, 0x0}}]}, 0x40}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCCHG6RD(r1, 0x89fb, &(0x7f0000000100)={'syztnl0\x00', &(0x7f0000000080)={'syztnl2\x00', 0x0, 0x2f, 0x40, 0xf9, 0x1000, 0x8c9e80df7c9c21bf, @loopback, @initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x8, 0x8000, 0x80, 0x1}}) sendmsg$can_raw(r2, &(0x7f00000003c0)={&(0x7f0000000140)={0x1d, r6}, 0x10, &(0x7f0000000380)={&(0x7f0000000180)=@canfd={{0x2, 0x1, 0x0, 0x1}, 0x10, 0x2, 0x0, 0x0, "04527ba0eb08972af67b51c39302b8721a68d32299e1c0c170b15e5e7ae534cc0795fb4272f4d20bc77946e68748ecabac0f04847a511ae9ebb63212a5501c41"}, 0x48}, 0x1, 0x0, 0x0, 0x4008009}, 0x44004) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r7 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r7, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1489.322047][T24501] batman_adv: batadv0: Adding interface: veth811 [ 1489.336574][T24501] batman_adv: batadv0: The MTU of interface veth811 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1489.405685][T24501] batman_adv: batadv0: Not using interface veth811 (retrying later): interface not active [ 1489.435229][T24454] batman_adv: batadv0: Adding interface: veth511 07:34:20 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00(\x00'], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1489.457179][T24454] batman_adv: batadv0: The MTU of interface veth511 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1489.596051][T24454] batman_adv: batadv0: Not using interface veth511 (retrying later): interface not active [ 1489.651992][T24505] batman_adv: batadv0: Removing interface: veth511 07:34:20 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800006010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1489.803574][T24467] batman_adv: batadv0: Adding interface: veth553 [ 1489.809983][T24467] batman_adv: batadv0: The MTU of interface veth553 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1489.895350][T24467] batman_adv: batadv0: Not using interface veth553 (retrying later): interface not active [ 1489.986194][T24527] batman_adv: batadv0: Removing interface: veth553 07:34:20 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000030000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:20 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00(\x00'], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:20 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d020b0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:21 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d58040000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:21 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b70000000000000095000800e600000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000000), 0x10, 0x0, r3}, 0x78) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r4, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) 07:34:21 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800586510002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1490.460648][T24586] batman_adv: batadv0: Adding interface: veth815 07:34:21 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00(\x00'], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1490.499591][T24586] batman_adv: batadv0: The MTU of interface veth815 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1490.642826][T24586] batman_adv: batadv0: Not using interface veth815 (retrying later): interface not active [ 1490.723495][T24594] batman_adv: batadv0: Adding interface: veth511 [ 1490.729882][T24594] batman_adv: batadv0: The MTU of interface veth511 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1490.772163][T24594] batman_adv: batadv0: Not using interface veth511 (retrying later): interface not active [ 1490.893969][T24599] batman_adv: batadv0: Removing interface: veth511 07:34:21 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c0001"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1491.018131][T24611] batman_adv: batadv0: Adding interface: veth553 [ 1491.042681][T24611] batman_adv: batadv0: The MTU of interface veth553 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:21 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000040000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1491.144184][T24611] batman_adv: batadv0: Not using interface veth553 (retrying later): interface not active [ 1491.234493][T24615] batman_adv: batadv0: Removing interface: veth553 07:34:21 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x7) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001037d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88b598c0000000000000004000051210600d904d19efe883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) 07:34:21 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800006810002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:22 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c0001"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:22 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x8, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000)={0x4}, 0x8, 0x10, &(0x7f0000000000)={0x0, 0xb, 0xffffffff}, 0x10}, 0x78) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) ioctl$BLKROTATIONAL(r1, 0x127e, &(0x7f0000000080)) [ 1491.506752][T24654] batman_adv: batadv0: Adding interface: veth819 [ 1491.526784][T24654] batman_adv: batadv0: The MTU of interface veth819 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1491.630344][T24654] batman_adv: batadv0: Not using interface veth819 (retrying later): interface not active [ 1491.675017][T24599] batman_adv: batadv0: Adding interface: veth511 [ 1491.687316][T24599] batman_adv: batadv0: The MTU of interface veth511 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1491.758116][T24599] batman_adv: batadv0: Not using interface veth511 (retrying later): interface not active [ 1491.792517][T24598] __nla_validate_parse: 27 callbacks suppressed [ 1491.792530][T24598] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1491.909135][T24657] batman_adv: batadv0: Removing interface: veth511 [ 1491.986961][T24603] batman_adv: batadv0: Adding interface: veth553 [ 1491.994950][T24603] batman_adv: batadv0: The MTU of interface veth553 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1492.046528][T24603] batman_adv: batadv0: Not using interface veth553 (retrying later): interface not active [ 1492.087785][T24669] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1492.196814][T24668] batman_adv: batadv0: Removing interface: veth553 [ 1492.240907][T24676] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1492.269787][T24644] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:34:22 executing program 4: socketpair(0x9, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1492.409677][T24669] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:34:23 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d030b0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:23 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d74040000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:23 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c0001"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:23 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800006c10002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:23 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000050000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1492.600185][T24720] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 07:34:23 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) r2 = creat(&(0x7f0000000080)='./file0\x00', 0xa1) setsockopt$TIPC_GROUP_LEAVE(r2, 0x10f, 0x88) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r3, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1492.655515][T24724] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1492.755203][T24725] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 07:34:23 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c0001007665"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1492.843879][T24727] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1492.955638][T24728] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1493.019925][T24729] batman_adv: batadv0: Adding interface: veth511 [ 1493.042905][T24729] batman_adv: batadv0: The MTU of interface veth511 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1493.152820][T24729] batman_adv: batadv0: Not using interface veth511 (retrying later): interface not active [ 1493.254123][T24736] batman_adv: batadv0: Removing interface: veth511 [ 1493.347208][T24741] batman_adv: batadv0: Adding interface: veth553 [ 1493.360990][T24741] batman_adv: batadv0: The MTU of interface veth553 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1493.435547][T24741] batman_adv: batadv0: Not using interface veth553 (retrying later): interface not active [ 1493.482686][T24740] batman_adv: batadv0: Adding interface: veth823 [ 1493.489111][T24740] batman_adv: batadv0: The MTU of interface veth823 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1493.573851][T24740] batman_adv: batadv0: Not using interface veth823 (retrying later): interface not active [ 1493.627630][T24746] batman_adv: batadv0: Removing interface: veth553 07:34:24 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800007410002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:24 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000060000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1493.842795][T24776] batman_adv: batadv0: Adding interface: veth511 [ 1493.849267][T24776] batman_adv: batadv0: The MTU of interface veth511 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1493.930479][T24776] batman_adv: batadv0: Not using interface veth511 (retrying later): interface not active [ 1493.952980][T24778] batman_adv: batadv0: Removing interface: veth511 07:34:24 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c0001007665"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:24 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d78040000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:24 executing program 4: modify_ldt$read_default(0x2, &(0x7f0000000140)=""/20, 0x14) socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000080)='/dev/nvme-fabrics\x00', 0x0, 0x0) getpeername$netlink(r2, &(0x7f00000000c0), &(0x7f0000000100)=0xc) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r3, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1494.279356][T24812] batman_adv: batadv0: Adding interface: veth827 [ 1494.294518][T24812] batman_adv: batadv0: The MTU of interface veth827 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1494.376101][T24812] batman_adv: batadv0: Not using interface veth827 (retrying later): interface not active [ 1494.528469][T24835] batman_adv: batadv0: Adding interface: veth555 07:34:25 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d000c0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:25 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$VIDIOC_SUBDEV_S_FMT(0xffffffffffffffff, 0xc0585605, &(0x7f0000000080)={0x0, 0x0, {0x80, 0x6, 0x300e, 0x5, 0x0, 0x4, 0x0, 0x2}}) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$SNDRV_CTL_IOCTL_ELEM_READ(r3, 0xc4c85512, &(0x7f0000000540)={{0x6, 0x1, 0x0, 0xe7a, 'syz1\x00', 0x5}, 0x0, [0x50b579e9, 0x80, 0x1, 0x100000001, 0x4, 0xfff, 0x7, 0x0, 0x0, 0x0, 0x3ff, 0x4, 0xffffffffffffdaeb, 0x1ff, 0xfff, 0x9, 0x9, 0x0, 0x10001, 0x528, 0x800, 0x3365, 0x1000, 0x1, 0x14, 0x7, 0x0, 0x3, 0x1, 0x100, 0xfffffffffffffffd, 0x3, 0x8321, 0x0, 0x3f, 0x0, 0x9, 0x3, 0x2, 0xec, 0x2, 0xff, 0x9, 0x0, 0x20, 0x5ace4137, 0x7, 0x11a53f01, 0xffffffff00000000, 0x40, 0x3f, 0x8, 0x3ff, 0x61, 0x203, 0x20, 0x9, 0x8001, 0x2, 0x0, 0x8000, 0x4, 0x1, 0x0, 0xffffffff, 0xfff, 0x44eb, 0x6, 0x3, 0x100000000, 0x2, 0xfffffffffffff74f, 0x6, 0x200, 0x0, 0x7, 0x7, 0x5, 0xffffffffffffe2ba, 0x0, 0x0, 0x5, 0xd70c, 0x4, 0x6, 0x10000, 0x6, 0xff, 0x10000, 0x8, 0x1, 0x5, 0xffff, 0x3ff, 0x9, 0x2, 0x8000000000000000, 0xe77, 0x8, 0x4, 0x32bc, 0x8, 0x1ff, 0x2, 0x3f, 0x7, 0x8471, 0x59, 0x1f, 0x7, 0x5, 0x0, 0xffffffffffffffff, 0x5, 0x5, 0x1ff, 0x1, 0xffffffff00000000, 0x92, 0x81, 0x4, 0x8000, 0xfffffffffffffff7, 0x3, 0x80, 0x2, 0x8001, 0x7fffffff]}) r4 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r4, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) 07:34:25 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800007a10002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1494.568126][T24835] batman_adv: batadv0: The MTU of interface veth555 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1494.682979][T24835] batman_adv: batadv0: Not using interface veth555 (retrying later): interface not active 07:34:25 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000070000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1494.846014][T24837] batman_adv: batadv0: Removing interface: veth555 07:34:25 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c0001007665"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1495.105660][T24855] batman_adv: batadv0: Adding interface: veth511 [ 1495.119953][T24855] batman_adv: batadv0: The MTU of interface veth511 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1495.219521][T24855] batman_adv: batadv0: Not using interface veth511 (retrying later): interface not active [ 1495.285007][T24860] batman_adv: batadv0: Removing interface: veth511 [ 1495.485871][T24833] batman_adv: batadv0: Adding interface: veth555 [ 1495.513064][T24833] batman_adv: batadv0: The MTU of interface veth555 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1495.559283][T24833] batman_adv: batadv0: Not using interface veth555 (retrying later): interface not active [ 1495.637587][T24881] batman_adv: batadv0: Removing interface: veth555 [ 1495.725173][T24884] batman_adv: batadv0: Adding interface: veth831 [ 1495.750761][T24884] batman_adv: batadv0: The MTU of interface veth831 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1495.882107][T24884] batman_adv: batadv0: Not using interface veth831 (retrying later): interface not active 07:34:26 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800008110002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:26 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) ioctl$IMGETCOUNT(r3, 0x80044943, &(0x7f00000000c0)) write$P9_RUNLINKAT(r1, &(0x7f0000000140)={0x7, 0x4d, 0x2}, 0x7) syz_open_dev$sndpcmp(&(0x7f0000000080)='/dev/snd/pcmC#D#p\x00', 0x9, 0x0) [ 1495.962800][T24908] batman_adv: batadv0: Adding interface: veth511 [ 1495.976884][T24908] batman_adv: batadv0: The MTU of interface veth511 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1496.073608][T24908] batman_adv: batadv0: Not using interface veth511 (retrying later): interface not active [ 1496.102522][T24910] batman_adv: batadv0: Removing interface: veth511 07:34:26 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d80040000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:26 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c000100766574"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:26 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000080000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:27 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d010c0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:27 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$HIDIOCGVERSION(0xffffffffffffffff, 0x80044801, &(0x7f00000001c0)) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000080)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1496.469219][T24946] batman_adv: batadv0: Adding interface: veth555 [ 1496.482502][T24946] batman_adv: batadv0: The MTU of interface veth555 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:27 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28001cbc10002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1496.534604][T24946] batman_adv: batadv0: Not using interface veth555 (retrying later): interface not active [ 1496.677383][T24953] batman_adv: batadv0: Removing interface: veth555 [ 1496.766200][T24967] batman_adv: batadv0: Adding interface: veth835 [ 1496.775842][T24967] batman_adv: batadv0: The MTU of interface veth835 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1496.862823][T24967] batman_adv: batadv0: Not using interface veth835 (retrying later): interface not active [ 1496.889707][T24974] __nla_validate_parse: 24 callbacks suppressed [ 1496.889779][T24974] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1496.953896][T24978] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1497.100336][T24946] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 07:34:27 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c000100766574"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1497.196653][T24960] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1497.270210][T24974] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1497.298711][T25012] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 07:34:28 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000090000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:28 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28001cbd10002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:28 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket(0x564926c90cfd5bb9, 0x2, 0x3d) getsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r2 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000057000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a760000b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) r4 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vcsa\x00', 0x4c000, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nl80211(&(0x7f0000003a00)='nl80211\x00') ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f0000000000)={'wlan0\x00'}) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000380)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_GET_SCAN(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000040)={0x1c, r6, 0x800, 0x0, 0x0, {0x15}, [@NL80211_ATTR_IFINDEX={0x8, 0x3, r7}]}, 0x1c}}, 0x0) sendmsg$NL80211_CMD_START_AP(r4, &(0x7f00000001c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f0000000540)={0x51c, r6, 0x0, 0x70bd28, 0x25dfdbfd, {}, [@NL80211_ATTR_WPA_VERSIONS={0x8, 0x4b, 0xb}, @NL80211_ATTR_IE={0x4fd, 0x2a, "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"}]}, 0x51c}, 0x1, 0x0, 0x0, 0x40004}, 0x4044004) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r3, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) r8 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r8, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000140)=@newlink={0x54, 0x10, 0x439, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x34, 0x12, 0x0, 0x1, @geneve={{0xb, 0x1, 'geneve\x00'}, {0xfffffffffffffeac, 0x2, 0x0, 0x1, [@IFLA_GENEVE_DF={0x5}, @IFLA_GENEVE_DF={0x5}, @IFLA_GENEVE_TOS={0x5}, @IFLA_GENEVE_UDP_CSUM={0x5}]}}}]}, 0x54}}, 0x0) sendmsg$nl_route(r8, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)=@getaddr={0x14, 0x16, 0x8, 0x70bd2c, 0x25dfdbfc, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x8011}, 0x2000c020) [ 1497.443094][T24984] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1497.535153][T25024] batman_adv: batadv0: Adding interface: veth511 [ 1497.547685][T25024] batman_adv: batadv0: The MTU of interface veth511 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1497.645661][T25024] batman_adv: batadv0: Not using interface veth511 (retrying later): interface not active [ 1497.690458][T25029] batman_adv: batadv0: Removing interface: veth511 07:34:28 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c000100766574"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1497.764686][T25031] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1497.893090][T25040] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:34:28 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d90040000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1498.016574][T25045] batman_adv: batadv0: Adding interface: veth839 [ 1498.034689][T25045] batman_adv: batadv0: The MTU of interface veth839 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1498.108094][T25045] batman_adv: batadv0: Not using interface veth839 (retrying later): interface not active [ 1498.159005][T25043] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.4'. 07:34:28 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d020c0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:28 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28001cbe10002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1498.415818][T25076] batman_adv: batadv0: Adding interface: veth555 07:34:29 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r2, 0x6, 0x10000000013, &(0x7f0000000100)=0x1, 0xfb) connect$unix(r2, &(0x7f0000000080)=@file={0x0, './file0\x00'}, 0x6e) bind$inet(r2, &(0x7f00000002c0)={0x2, 0x4e21, @loopback}, 0x10) connect$inet(r2, &(0x7f0000000240)={0x2, 0x4e21, @empty}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r2, 0x6, 0x1d, &(0x7f0000000380)={0x0, 0x20, 0x10000, 0x7fff}, 0x14) shutdown(r2, 0x1) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x10000000013, &(0x7f0000000100)=0x1, 0xfb) connect$unix(0xffffffffffffffff, &(0x7f0000000080)=@file={0x0, './file0\x00'}, 0x6e) bind$inet(0xffffffffffffffff, &(0x7f00000002c0)={0x2, 0x4e21, @loopback}, 0x10) connect$inet(0xffffffffffffffff, &(0x7f0000000240)={0x2, 0x4e21, @empty}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(0xffffffffffffffff, 0x6, 0x1d, &(0x7f0000000380)={0x0, 0x20, 0x10000, 0x7fff}, 0x14) shutdown(0xffffffffffffffff, 0x1) sendmsg$sock(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000140)=@isdn={0x22, 0x2, 0x7, 0x5, 0x1f}, 0x80, &(0x7f0000000280)=[{&(0x7f00000001c0)="10847ac3d2162bb2c253b5d41f099aabed702a8edba20e34799d1ac07885c0349a4e01b36fdfdd278342", 0x2a}, {&(0x7f00000003c0)="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", 0xfa}], 0x2, &(0x7f0000000540)=[@timestamping={{0x14, 0x1, 0x25, 0x2}}, @txtime={{0x18, 0x1, 0x3d, 0x5}}, @txtime={{0x18}}, @txtime={{0x18, 0x1, 0x3d, 0x9}}, @mark={{0x14, 0x1, 0x24, 0x6}}, @mark={{0x14, 0x1, 0x24, 0x7}}, @timestamping={{0x14, 0x1, 0x25, 0x8}}, @timestamping={{0x14, 0x1, 0x25, 0x7f}}], 0xc0}, 0x8045) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x15, 0xe, &(0x7f00000000c0)=ANY=[@ANYRESHEX=r2], &(0x7f0000000080)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x7, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000000)={0x0, 0x0, 0xffffffff}, 0x10}, 0x78) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r3, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1498.441986][T25076] batman_adv: batadv0: The MTU of interface veth555 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:29 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025080000000a0000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1498.528467][T25076] batman_adv: batadv0: Not using interface veth555 (retrying later): interface not active 07:34:29 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1498.585914][T25077] batman_adv: batadv0: Removing interface: veth555 [ 1498.798624][T25092] batman_adv: batadv0: Adding interface: veth511 [ 1498.815717][T25092] batman_adv: batadv0: The MTU of interface veth511 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1498.894049][T25092] batman_adv: batadv0: Not using interface veth511 (retrying later): interface not active [ 1498.946119][T25097] batman_adv: batadv0: Removing interface: veth511 [ 1499.139689][T25122] batman_adv: batadv0: Adding interface: veth843 [ 1499.166757][T25122] batman_adv: batadv0: The MTU of interface veth843 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:29 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1499.274387][T25122] batman_adv: batadv0: Not using interface veth843 (retrying later): interface not active 07:34:30 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000f010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1499.480558][T25071] batman_adv: batadv0: Adding interface: veth555 [ 1499.504500][T25071] batman_adv: batadv0: The MTU of interface veth555 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:30 executing program 4: socketpair(0x2c, 0x80000, 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) accept4$unix(r0, 0x0, &(0x7f0000000080), 0x80000) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1499.658963][T25071] batman_adv: batadv0: Not using interface veth555 (retrying later): interface not active [ 1499.747575][T25126] batman_adv: batadv0: Removing interface: veth555 [ 1499.908818][T25137] batman_adv: batadv0: Adding interface: veth511 [ 1499.924463][T25137] batman_adv: batadv0: The MTU of interface veth511 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1500.028974][T25137] batman_adv: batadv0: Not using interface veth511 (retrying later): interface not active [ 1500.086102][T25138] batman_adv: batadv0: Removing interface: veth511 07:34:30 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:30 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025080000000c0000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:31 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d9c040000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:31 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000400002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:31 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d030c0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:31 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = accept4$bt_l2cap(0xffffffffffffffff, &(0x7f0000000480), &(0x7f00000004c0)=0xe, 0x800) getsockopt$bt_BT_DEFER_SETUP(r1, 0x112, 0x7, &(0x7f0000000540), &(0x7f0000000580)=0x4) r2 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x12, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2de405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850013000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000000), 0x10}, 0x78) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r3, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) keyctl$KEYCTL_PKEY_SIGN(0x1b, &(0x7f0000000080)={0x0, 0x97, 0xee}, &(0x7f00000000c0)={'enc=', 'oaep', ' hash=', {'sha256-avx\x00'}}, &(0x7f0000000140)="5c7cbb518b48305da998480eb6fc2b27bdcf6804fd5072084d260278569d1a42b9600eab758811aec8950ad8aadf2641564554f1df13e579864f13b4f5bb3b9fe18c41e50ba0e0b9e6c033782e4750a94978c21dd99225bb4487a7a27a5e538d8a6926860204b9b5306d631bc5b965a369c52edb86c3fd68a25d170e4e9960f3fdde41389b804d6ae5eebd580798a84cedd277acf5355d", &(0x7f0000000380)=""/238) 07:34:31 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1500.940575][T25204] batman_adv: batadv0: Adding interface: veth511 [ 1500.952192][T25204] batman_adv: batadv0: The MTU of interface veth511 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1501.047205][T25204] batman_adv: batadv0: Not using interface veth511 (retrying later): interface not active [ 1501.097514][T25203] batman_adv: batadv0: Adding interface: veth847 [ 1501.120614][T25203] batman_adv: batadv0: The MTU of interface veth847 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1501.250562][T25203] batman_adv: batadv0: Not using interface veth847 (retrying later): interface not active [ 1501.299077][T25210] batman_adv: batadv0: Adding interface: veth555 [ 1501.318401][T25210] batman_adv: batadv0: The MTU of interface veth555 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1501.369928][T25210] batman_adv: batadv0: Not using interface veth555 (retrying later): interface not active [ 1501.465330][T25214] batman_adv: batadv0: Removing interface: veth511 [ 1501.553817][T25193] batman_adv: batadv0: Removing interface: veth555 07:34:32 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025080000000e0000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:32 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b70000000000000008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c003600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1501.833897][T25239] batman_adv: batadv0: Adding interface: veth511 [ 1501.840287][T25239] batman_adv: batadv0: The MTU of interface veth511 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1501.872256][T25239] batman_adv: batadv0: Not using interface veth511 (retrying later): interface not active [ 1501.893101][T25242] batman_adv: batadv0: Removing interface: veth511 07:34:32 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000003002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:32 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1501.951864][T25269] __nla_validate_parse: 26 callbacks suppressed [ 1501.951877][T25269] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 07:34:32 executing program 4: getpeername$qrtr(0xffffffffffffffff, &(0x7f0000000080), &(0x7f00000000c0)=0xc) socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000100)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5ea59ee820c49c822c68824884884a6772d365ecf4fe8396d706ab175793d3bd313b6ff1f27b16687c983c3bc5b0dc2f6a16031ecdd3a170e4294fe06"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0x1f, 0x0, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x104}, 0x40) 07:34:32 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d00050000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1502.168111][T25280] batman_adv: batadv0: Adding interface: veth849 [ 1502.186658][T25280] batman_adv: batadv0: The MTU of interface veth849 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1502.294167][T25280] batman_adv: batadv0: Not using interface veth849 (retrying later): interface not active [ 1502.353570][T25287] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1502.418412][T25288] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1502.555368][T25300] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1502.692534][T25269] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1502.714749][T25303] batman_adv: batadv0: Adding interface: veth555 07:34:33 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d000d0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1502.762406][T25303] batman_adv: batadv0: The MTU of interface veth555 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:33 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000100000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1502.837652][T25303] batman_adv: batadv0: Not using interface veth555 (retrying later): interface not active [ 1502.940066][T25308] batman_adv: batadv0: Removing interface: veth555 [ 1503.002707][T25294] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:34:33 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) setsockopt$inet_sctp_SCTP_HMAC_IDENT(r1, 0x84, 0x16, &(0x7f0000000080)={0x1, [0x6]}, 0x6) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) 07:34:33 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1503.118187][T25325] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 07:34:33 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000005002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1503.215556][T25327] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1503.350088][T25328] batman_adv: batadv0: Adding interface: veth511 [ 1503.364854][T25328] batman_adv: batadv0: The MTU of interface veth511 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1503.474439][T25328] batman_adv: batadv0: Not using interface veth511 (retrying later): interface not active [ 1503.548038][T25335] batman_adv: batadv0: Removing interface: veth511 [ 1503.639103][T25338] batman_adv: batadv0: Adding interface: veth851 [ 1503.655053][T25338] batman_adv: batadv0: The MTU of interface veth851 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1503.742353][T25338] batman_adv: batadv0: Not using interface veth851 (retrying later): interface not active [ 1503.780816][T25302] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1503.885082][T25348] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 07:34:34 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025080000003f0000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:34 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:34 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00', 0x9, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000080)={0x2000000}, 0x8, 0x10, &(0x7f0000000000), 0x10}, 0x78) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) 07:34:34 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d010d0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:34 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d01050000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:34 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000006002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:35 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:35 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r3, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) ioctl$BTRFS_IOC_RM_DEV_V2(r0, 0x5000943a, 0xfffffffffffffffe) ioctl$TIOCSISO7816(0xffffffffffffffff, 0xc0285443, &(0x7f0000000080)={0x80, 0x3ff, 0x8, 0x3, 0x7}) [ 1504.765126][T25420] batman_adv: batadv0: Adding interface: veth513 [ 1504.773258][T25420] batman_adv: batadv0: The MTU of interface veth513 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1504.807935][T25420] batman_adv: batadv0: Not using interface veth513 (retrying later): interface not active [ 1504.867681][T25425] batman_adv: batadv0: Adding interface: veth855 [ 1504.875844][T25425] batman_adv: batadv0: The MTU of interface veth855 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1504.915479][T25425] batman_adv: batadv0: Not using interface veth855 (retrying later): interface not active [ 1504.943670][T25428] batman_adv: batadv0: Adding interface: veth557 [ 1504.950065][T25428] batman_adv: batadv0: The MTU of interface veth557 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1505.041906][T25428] batman_adv: batadv0: Not using interface veth557 (retrying later): interface not active [ 1505.086819][T25431] batman_adv: batadv0: Removing interface: veth513 07:34:35 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1505.176803][T25434] batman_adv: batadv0: Removing interface: veth557 07:34:35 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000007002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:35 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000000), 0x10}, 0x78) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080)='/dev/null\x00', 0x228202, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(r5, 0xc0045540, &(0x7f0000000100)=0x4) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f00000000c0)={{&(0x7f0000ffc000/0x1000)=nil, 0x1000}}) 07:34:36 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508e652d63f0000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1505.499795][T25471] batman_adv: batadv0: Adding interface: veth513 [ 1505.510593][T25471] batman_adv: batadv0: The MTU of interface veth513 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1505.582481][T25471] batman_adv: batadv0: Not using interface veth513 (retrying later): interface not active 07:34:36 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1505.640293][T25477] batman_adv: batadv0: Removing interface: veth513 07:34:36 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d02050000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:36 executing program 4: socketpair(0x23, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa300000000005ccf61bc94faf31aff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000104000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1505.934496][T25504] batman_adv: batadv0: Adding interface: veth859 [ 1505.940900][T25504] batman_adv: batadv0: The MTU of interface veth859 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1506.071947][T25504] batman_adv: batadv0: Not using interface veth859 (retrying later): interface not active 07:34:36 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d020d0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:36 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:36 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000009002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1506.203781][T25528] batman_adv: batadv0: Adding interface: veth559 [ 1506.210189][T25528] batman_adv: batadv0: The MTU of interface veth559 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1506.377117][T25528] batman_adv: batadv0: Not using interface veth559 (retrying later): interface not active [ 1506.446252][T25529] batman_adv: batadv0: Removing interface: veth559 07:34:37 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000400000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:37 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x10000000013, &(0x7f0000000100)=0x1, 0xfb) connect$unix(r0, &(0x7f0000000080)=@file={0x0, './file0\x00'}, 0x6e) bind$inet(r0, &(0x7f00000002c0)={0x2, 0x4e21, @loopback}, 0x10) connect$inet(r0, &(0x7f0000000240)={0x2, 0x4e21, @empty}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000000380)={0x0, 0x20, 0x10000, 0x7fff}, 0x14) shutdown(r0, 0x1) preadv(r0, &(0x7f0000000180)=[{&(0x7f0000000540)=""/4096, 0x1000}, {&(0x7f0000000080)=""/231, 0xe7}, {&(0x7f0000000380)=""/203, 0xcb}, {&(0x7f0000001540)=""/139, 0x8b}, {&(0x7f0000001600)=""/4096, 0x1000}, {&(0x7f0000002600)=""/232, 0xe8}], 0x6, 0xfffffffe, 0xffff39ba) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$IPCTNL_MSG_CT_GET_DYING(0xffffffffffffffff, &(0x7f0000002740)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x810000}, 0xc, &(0x7f0000002700)={&(0x7f00000004c0)={0x14, 0x6, 0x1, 0x3, 0x0, 0x0, {0x5, 0x0, 0x3}, ["", "", "", "", ""]}, 0x14}}, 0x800) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddc0000000000000000dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r3, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) 07:34:37 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1506.775021][T25547] batman_adv: batadv0: Adding interface: veth513 [ 1506.792107][T25547] batman_adv: batadv0: The MTU of interface veth513 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1506.857622][T25547] batman_adv: batadv0: Not using interface veth513 (retrying later): interface not active [ 1506.903909][T25549] batman_adv: batadv0: Removing interface: veth513 [ 1506.986838][T25520] __nla_validate_parse: 19 callbacks suppressed [ 1506.986853][T25520] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1507.074964][T25567] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1507.147216][T25524] batman_adv: batadv0: Adding interface: veth559 07:34:37 executing program 4: r0 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setreuid(0x0, r1) r2 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setreuid(0x0, r3) syz_mount_image$msdos(&(0x7f0000000140)='msdos\x00', &(0x7f0000000180)='./file0\x00', 0x4, 0x5, &(0x7f0000000440)=[{&(0x7f0000000540)="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", 0x1000, 0x401}, {&(0x7f0000000380)="d109e711c5596f701962424aa430cc75cd0a70162aed49f844455118432c5ffc4ea41e6fd0201bd592bfe813f1938f33e1f374fec986a7d2a559b305d000269ceadc42e2b2af07952d6704685d9c5e0e1c0757da33b396bc598a07485e412fc280585ddde49659f677366ef6ef2eceaa7269196c5a96360dfcae6f3e6455decd6df14e3039c9104653addc7f5904cb8b0159d2665d652abde53189efb5f0", 0x9e}, {&(0x7f0000001540)="b5ba8a3dfe478d9eab8a8af947e7359b61824cf02a851d95ca22be39f1c345fc7c0b6892dbdeb6b8f7e65d5af8c5d168b1b9a578736e164233cddea6cd4b5ffd07fac4c2f498e853e61472b7412dd2bf70da56aa625bb6e31b30c09b7c279db2a7008dc31540685ae22f6d370efc3a3d3ef6b8d7135eea67f73be289b30142323524257df08358d62718961452ceb2074be31edceb72c8d04605c5b5de3cd4455edb3120ccc7db803198262c15c70121a099b28b06c0f995872f2bd26095f294b9acb2e2d314db0cac940605356aa4b18435672a6d48d56cbbfc32e9ef72c9f701e9735085feb6008c7ac45c65df", 0xee}, {&(0x7f0000001640)="1228d59e6b0e98f279328af6516048f35317996711184285a0acc7881e1d020a6f8be7e4177831be565f0ceda247ac27afcc0f18ea698d2500d1e0b1e42d40cfea3df75eabd079e8196f21b7eaa0ca95b2baf6963ef4f709eb065c61c3aea0ce34b06f064fb6a006fe05b6c4a65f6c428e5451c8d111f802d132dadc4d4aefd45bf7f4a86e7960857f828998e08a8a9400478304a2f438e62f3be0dd538f8066be6cab5ec886879165012383b97d9bc793fa736b67decacd964db89dd78f50f9074d87f9d06a3013278d5b9010b214ce50642a61fdfd354376c0dfddb2f0f734eb58076ca8e2ab24a43bc4cd59c72712813a69fc", 0xf4, 0xc591}, {&(0x7f0000001740)="048bceb6272864a09e4892c7d18c4c379a5d6fc533ad8716f0ccace621b2aaea503bb159c8299271a0638542217f955371015eb9b68e8ae24b2ab1f542fb9ef51b651322eee5575adb563a9bf0f737da1c4f4342c3eaad2a4b4f77d44c74cfd2548467ab28506481f4fcd9bc16eb01ade75bd35bfa9049fd883c9a6639119789f160231f74870b02bb48cdaee644e025cd8b14eedb06c8722557e833433d58fdf8ab437a50e348c283452d43dba11684184e1252c0d07fc8b4642471fed964dff77e7615a42b035bf16a48f5b8", 0xcd, 0x7}], 0x2080408, &(0x7f0000001840)={[{@nodots='nodots'}, {@nodots='nodots'}, {@fat=@umask={'umask', 0x3d, 0xffffffffffff0001}}, {@fat=@dmask={'dmask', 0x3d, 0x40}}, {@dots='dots'}, {@fat=@debug='debug'}, {@fat=@dmask={'dmask', 0x3d, 0x4c}}, {@fat=@umask={'umask', 0x3d, 0x3f}}, {@fat=@check_relaxed='check=relaxed'}, {@dots='dots'}], [{@fowner_gt={'fowner>', r1}}, {@fsname={'fsname', 0x3d, './$'}}, {@euid_gt={'euid>', r3}}, {@smackfsfloor={'smackfsfloor', 0x3d, '/dev/input/mouse#\x00'}}]}) socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) r6 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r6, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) r7 = syz_open_dev$mouse(&(0x7f0000000080)='/dev/input/mouse#\x00', 0x9, 0x40) ioctl$DRM_IOCTL_MODE_GETPLANE(r7, 0xc02064b6, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0]}) [ 1507.185083][T25524] batman_adv: batadv0: The MTU of interface veth559 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1507.334233][T25524] batman_adv: batadv0: Not using interface veth559 (retrying later): interface not active [ 1507.418476][T25570] batman_adv: batadv0: Removing interface: veth559 [ 1507.482766][T25575] batman_adv: batadv0: Adding interface: veth861 [ 1507.489150][T25575] batman_adv: batadv0: The MTU of interface veth861 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1507.591395][T25575] batman_adv: batadv0: Not using interface veth861 (retrying later): interface not active [ 1507.632917][T25546] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1507.658975][T25547] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 07:34:38 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="48000000100005070000", @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:38 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000000a002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1507.739287][T25597] batman_adv: batadv0: Adding interface: veth513 [ 1507.763205][T25597] batman_adv: batadv0: The MTU of interface veth513 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1507.882720][T25597] batman_adv: batadv0: Not using interface veth513 (retrying later): interface not active [ 1507.936338][T25598] batman_adv: batadv0: Removing interface: veth513 [ 1507.995884][T25567] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1508.032973][T25619] netlink: 40 bytes leftover after parsing attributes in process `syz-executor.5'. 07:34:38 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025080005e55b0000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1508.055652][T25621] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:34:38 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03050000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1508.165933][T25621] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:34:38 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d030d0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:38 executing program 4: socketpair(0xf, 0x0, 0xeff, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) 07:34:38 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="48000000100005070000", @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:38 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000000b002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1508.296951][T25643] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1508.428880][T25642] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1508.675692][T25655] batman_adv: batadv0: Adding interface: veth559 [ 1508.708455][T25655] batman_adv: batadv0: The MTU of interface veth559 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1508.754985][T25655] batman_adv: batadv0: Not using interface veth559 (retrying later): interface not active 07:34:39 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockname$unix(r0, &(0x7f0000001540)=@abs, &(0x7f0000000400)=0x6e) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) io_uring_register$IORING_REGISTER_BUFFERS(r5, 0x0, &(0x7f0000000440)=[{&(0x7f0000000080)=""/69, 0x45}, {&(0x7f0000000100)=""/226, 0xe2}, {&(0x7f0000000540)=""/4096, 0x1000}, {&(0x7f0000000380)=""/90, 0x5a}, {&(0x7f0000000400)}], 0x5) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r3, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1508.774358][T25656] batman_adv: batadv0: Adding interface: veth863 [ 1508.785300][T25656] batman_adv: batadv0: The MTU of interface veth863 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1508.858418][T25656] batman_adv: batadv0: Not using interface veth863 (retrying later): interface not active [ 1508.909869][T25657] batman_adv: batadv0: Adding interface: veth513 [ 1508.934232][T25657] batman_adv: batadv0: The MTU of interface veth513 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1509.043791][T25657] batman_adv: batadv0: Not using interface veth513 (retrying later): interface not active [ 1509.164842][T25643] batman_adv: batadv0: Removing interface: veth559 [ 1509.238692][T25664] batman_adv: batadv0: Removing interface: veth513 07:34:39 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="48000000100005070000", @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:40 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025080005e55c0000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:40 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa3000000000017e0adff9014f4e4f008f7000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef888"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000000), 0x10}, 0x78) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1509.519553][T25647] batman_adv: batadv0: Adding interface: veth559 [ 1509.534003][T25647] batman_adv: batadv0: The MTU of interface veth559 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1509.573611][T25647] batman_adv: batadv0: Not using interface veth559 (retrying later): interface not active [ 1509.629999][T25693] batman_adv: batadv0: Removing interface: veth559 [ 1509.696311][T25694] batman_adv: batadv0: Adding interface: veth513 [ 1509.704814][T25694] batman_adv: batadv0: The MTU of interface veth513 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1509.735909][T25694] batman_adv: batadv0: Not using interface veth513 (retrying later): interface not active 07:34:40 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000000c002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1509.809863][T25700] batman_adv: batadv0: Removing interface: veth513 07:34:40 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700000000000000", @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1509.954411][T25734] batman_adv: batadv0: Adding interface: veth865 [ 1509.960800][T25734] batman_adv: batadv0: The MTU of interface veth865 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:40 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000001540)='/dev/btrfs-control\x00', 0x2003, 0x0) setsockopt$pppl2tp_PPPOL2TP_SO_REORDERTO(r0, 0x111, 0x5, 0x8, 0x4) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) r4 = bpf$PROG_LOAD(0x5, &(0x7f0000000380)={0xb, 0x7, &(0x7f0000000100)=@raw=[@map_val={0x18, 0x0, 0x2, 0x0, r3, 0x0, 0x0, 0x0, 0xd86}, @initr0={0x18, 0x0, 0x0, 0x0, 0xfffffff7}, @initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x8602}, @ldst={0x1, 0x3, 0x6, 0x1, 0xa, 0xffffffffffffffe0, 0xffffffffffffffff}], &(0x7f0000000140)='GPL\x00', 0x3b4fec4b, 0x0, 0x0, 0x41100, 0x9, [], 0x0, 0x1a, 0xffffffffffffffff, 0x8, &(0x7f0000000180)={0x8, 0x2}, 0x8, 0x10, &(0x7f00000001c0)={0x2, 0xb, 0x3, 0x200}, 0x10}, 0x78) ioctl$EXT4_IOC_MIGRATE(r4, 0x6609) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r5 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r5, 0x18000000000002a0, 0x26, 0x0, &(0x7f00000000c0)="b9ff030000621bffbf372b5d0d698cb89e14f08948000f88a800008100638877fbac141421e9", 0x0, 0x103, 0x0, 0x0, 0x39, &(0x7f0000000000), &(0x7f0000000080)="918dba4d201047865b7ceb2cc0167672e6ab28278a82d3e4092f3df98d9bd0e094a29f6517b33ada6164551e4b226e72301ed31956e795cc88"}, 0x40) ioctl$BTRFS_IOC_SNAP_DESTROY(r1, 0x5000940f, &(0x7f0000000540)={{r5}, "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"}) [ 1510.063286][T25734] batman_adv: batadv0: Not using interface veth865 (retrying later): interface not active 07:34:40 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d00060000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:40 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d000e0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:40 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700000000000000", @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:41 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) recvfrom$unix(0xffffffffffffffff, &(0x7f0000000080)=""/127, 0x7f, 0x2020, &(0x7f0000000100), 0x6e) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) 07:34:41 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="28000000100025080005e55d0000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:41 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000000d002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1510.533741][T25783] batman_adv: batadv0: Adding interface: veth513 [ 1510.540127][T25783] batman_adv: batadv0: The MTU of interface veth513 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1510.625660][T25783] batman_adv: batadv0: Not using interface veth513 (retrying later): interface not active 07:34:41 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700000000000000", @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1510.686990][T25788] batman_adv: batadv0: Removing interface: veth513 [ 1510.758925][T25793] batman_adv: batadv0: Adding interface: veth559 [ 1510.788124][T25793] batman_adv: batadv0: The MTU of interface veth559 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1510.890082][T25793] batman_adv: batadv0: Not using interface veth559 (retrying later): interface not active [ 1510.963672][T25799] batman_adv: batadv0: Removing interface: veth559 07:34:41 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) openat$apparmor_task_current(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/attr/current\x00', 0x2, 0x0) r0 = socket$inet6(0xa, 0x80000, 0x0) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) r3 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setreuid(0x0, r4) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000340)={0x0, 0x0, 0x0}, &(0x7f0000000380)=0xc) setregid(0x0, r5) write$FUSE_CREATE_OPEN(r1, &(0x7f00000000c0)={0xa0, 0xffffffffffffffda, 0x0, {{0x0, 0x2, 0x10001, 0x1, 0x7f1, 0x2, {0x2, 0x6, 0xb218, 0x7f, 0x8001, 0x4, 0x1, 0x8, 0x13b3, 0x8000, 0x10001, r4, r5, 0x2, 0x10001}}, {0x0, 0x12}}}, 0xa0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r1, 0x40605346, &(0x7f0000000180)={0x5, 0x2, {0x3, 0x0, 0x6, 0x3, 0x52a626b5}, 0x3}) [ 1511.319167][T25811] batman_adv: batadv0: Adding interface: veth867 [ 1511.336796][T25811] batman_adv: batadv0: The MTU of interface veth867 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1511.435319][T25811] batman_adv: batadv0: Not using interface veth867 (retrying later): interface not active [ 1511.639023][T25831] batman_adv: batadv0: Adding interface: veth513 [ 1511.653409][T25831] batman_adv: batadv0: The MTU of interface veth513 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1511.699416][T25831] batman_adv: batadv0: Not using interface veth513 (retrying later): interface not active [ 1511.727644][T25834] batman_adv: batadv0: Removing interface: veth513 07:34:42 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/18, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:42 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000080)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b511edab416a4e4c5b078bf5725d4f0b0d"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) 07:34:42 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000000e002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:42 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d01060000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:42 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d010e0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:42 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000600000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:42 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/18, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:42 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1512.125197][T25881] __nla_validate_parse: 24 callbacks suppressed [ 1512.125212][T25881] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1512.233529][T25887] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1512.254119][T25886] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1512.340008][T25888] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1512.424357][T25892] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 07:34:43 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/18, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1512.648522][T25902] batman_adv: batadv0: Adding interface: veth561 [ 1512.664716][T25902] batman_adv: batadv0: The MTU of interface veth561 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1512.775801][T25902] batman_adv: batadv0: Not using interface veth561 (retrying later): interface not active [ 1512.819511][T25900] batman_adv: batadv0: Adding interface: veth513 [ 1512.834660][T25900] batman_adv: batadv0: The MTU of interface veth513 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1512.923402][T25900] batman_adv: batadv0: Not using interface veth513 (retrying later): interface not active [ 1512.968086][T25903] batman_adv: batadv0: Adding interface: veth871 [ 1512.997274][T25903] batman_adv: batadv0: The MTU of interface veth871 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:43 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) r3 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r3, 0x6, 0x10000000013, &(0x7f0000000100)=0x1, 0xfb) connect$unix(r3, &(0x7f0000000080)=@file={0x0, './file0\x00'}, 0x6e) bind$inet(r3, &(0x7f00000002c0)={0x2, 0x4e21, @loopback}, 0x10) connect$inet(r3, &(0x7f0000000240)={0x2, 0x4e21, @empty}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r3, 0x6, 0x1d, &(0x7f0000000380)={0x0, 0x20, 0x10000, 0x7fff}, 0x14) shutdown(r3, 0x1) ioctl$sock_SIOCSIFVLAN_SET_VLAN_INGRESS_PRIORITY_CMD(r3, 0x8983, &(0x7f0000000080)={0x2, 'ip6_vti0\x00', {0xb13}, 0x9}) [ 1513.087285][T25903] batman_adv: batadv0: Not using interface veth871 (retrying later): interface not active [ 1513.135177][T25905] batman_adv: batadv0: Removing interface: veth561 [ 1513.198855][T25907] batman_adv: batadv0: Removing interface: veth513 [ 1513.260953][T25891] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:34:43 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="280000000f002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1513.352354][T25925] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1513.376593][T25896] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 07:34:44 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/19, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1513.515985][T25888] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1513.599679][T25900] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 07:34:44 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000058650000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1513.737483][T25936] batman_adv: batadv0: Adding interface: veth513 [ 1513.757091][T25936] batman_adv: batadv0: The MTU of interface veth513 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1513.828888][T25936] batman_adv: batadv0: Not using interface veth513 (retrying later): interface not active [ 1513.859290][T25937] batman_adv: batadv0: Removing interface: veth513 07:34:44 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d02060000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:44 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x15, 0xffffffffffffffff, 0x8, &(0x7f0000000080), 0x8, 0x10, &(0x7f0000000000), 0x10}, 0x78) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) 07:34:44 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/19, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1514.178281][T25992] batman_adv: batadv0: Adding interface: veth875 [ 1514.196859][T25992] batman_adv: batadv0: The MTU of interface veth875 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1514.268036][T25992] batman_adv: batadv0: Not using interface veth875 (retrying later): interface not active 07:34:45 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d020e0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:45 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000210002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:45 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x10000000, 0x0, 0x0, 0x41100, 0x3, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000000)={0x0, 0x0, 0xdea}, 0x10}, 0x78) inotify_init1(0x800) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1514.436500][T26012] batman_adv: batadv0: Adding interface: veth563 [ 1514.455775][T26012] batman_adv: batadv0: The MTU of interface veth563 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1514.578247][T26012] batman_adv: batadv0: Not using interface veth563 (retrying later): interface not active [ 1514.700261][T26016] batman_adv: batadv0: Removing interface: veth563 07:34:45 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/19, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:45 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000810000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:45 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d00b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b50000"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1514.985430][T26032] batman_adv: batadv0: Adding interface: veth513 [ 1515.007462][T26032] batman_adv: batadv0: The MTU of interface veth513 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1515.127748][T26032] batman_adv: batadv0: Not using interface veth513 (retrying later): interface not active [ 1515.184441][T26038] batman_adv: batadv0: Removing interface: veth513 07:34:45 executing program 5: socket$netlink(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r2, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1515.523751][T26009] batman_adv: batadv0: Adding interface: veth563 [ 1515.530130][T26009] batman_adv: batadv0: The MTU of interface veth563 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:46 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000310002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1515.599629][T26009] batman_adv: batadv0: Not using interface veth563 (retrying later): interface not active [ 1515.655699][T26062] batman_adv: batadv0: Removing interface: veth563 [ 1515.724407][T26065] batman_adv: batadv0: Adding interface: veth879 [ 1515.737611][T26065] batman_adv: batadv0: The MTU of interface veth879 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:46 executing program 4: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d640500000000006504040001000000040460b7030000000000006a0a00fefcff00008500000001010000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c00040000000000000000000049f93600dd6f214a4a764f17b50000000000"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r2, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) [ 1515.829944][T26065] batman_adv: batadv0: Not using interface veth879 (retrying later): interface not active 07:34:46 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d03060000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:46 executing program 5: socket$netlink(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r2, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:46 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508ffffa8880000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:46 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d030e0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:46 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000410002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:47 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$gtp(&(0x7f0000000040)='gtp\x00') sendmsg$GTP_CMD_NEWPDP(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000006c0)=ANY=[@ANYBLOB="52bb91745bc7c95dc2b4c625d5d38000000020d684597719bd6974f3b70a6c2d9ceddf85121a85400b613a1c5a246c10761cce57a8ad2bc64f233fc3d4642c7a6f391a01ba5128f8384454e65fc6ea6e673319c66744518d3e608a79f16f68a1255e014286a2d121b04916d2a9f5720c1be8e7956b8691899cff2409513ed80b693774bc2167b05eaea9c5a3c601fa8dfe424dd366ae92ee", @ANYRES16=r1, @ANYBLOB="0100"/14], 0x14}}, 0x0) sendmsg$GTP_CMD_DELPDP(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000380)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="04002abd7000fddbdf25010000000c00030001000000000000000800010095ea6dfae87a28bc8c33707cd52c020d27bb636487d1c3dd94b5e7eedd7bd8cb9b66190f6fedf86bf27c5cb80634392b8e1e78ffa2c322e8afb71bf4b477e6c8f6d50dd73b1a927318f1b00de873b131dd77e7c6dc6eaf855ef001c5b2ef8f5a12678f9bad07016c4bd5b27658d9d0", @ANYRES32=0x0, @ANYBLOB], 0x28}, 0x1, 0x0, 0x0, 0x24000000}, 0x20000000) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) getsockopt$EBT_SO_GET_INIT_INFO(r3, 0x0, 0x82, &(0x7f00000002c0)={'nat\x00'}, &(0x7f00000000c0)=0x78) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000440)={r5, 0x18000000000002a0, 0x1f, 0x0, &(0x7f0000000500)="b9ff0322000d698cb89e14638877fbfd7a752b7d0000000300000000000000", 0x0, 0xfe, 0x0, 0xf4, 0x0, &(0x7f00000007c0)="c6b43cc1911656274aa4553966d065bb3be8548e8c4bd4d06eda9a038b93ea788de96c89e8a18516b4fa0f94b7ebf74c9f071df25534222725ae55ce46fbfc37b04d54cc7b057e1bf9ac482d1b1682d4465add1a0ae83b0411031a5c9579f41cca49babe583b5d3f3c13e74ee11911ca002530448661018ab577e1262b0694bf6143252a6b5997b547f690e962544762347b18c4c14f7a3c7e6ef9551b05c2b35b3e0cc5b33df475c1d836a2463e0ab355d0904c889175f7609d811158783170bb705416bf2045b5aafd13ab6375c4ae0181bd2b791f1dc65614677d8a4c8800a82d7d5861a0a353f017f5962660453c6c404808"}, 0x40) getrlimit(0x0, &(0x7f0000000280)) 07:34:47 executing program 5: socket$netlink(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r2, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1516.806287][T26151] batman_adv: batadv0: Adding interface: veth513 [ 1516.818687][T26151] batman_adv: batadv0: The MTU of interface veth513 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1516.899427][T26151] batman_adv: batadv0: Not using interface veth513 (retrying later): interface not active [ 1517.020032][T26155] batman_adv: batadv0: Adding interface: veth563 [ 1517.038962][T26155] batman_adv: batadv0: The MTU of interface veth563 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1517.152168][T26155] batman_adv: batadv0: Not using interface veth563 (retrying later): interface not active [ 1517.197003][T26161] batman_adv: batadv0: Adding interface: veth883 [ 1517.233975][T26161] batman_adv: batadv0: The MTU of interface veth883 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1517.321471][T26161] batman_adv: batadv0: Not using interface veth883 (retrying later): interface not active [ 1517.379362][T26162] batman_adv: batadv0: Removing interface: veth563 [ 1517.429141][T26165] batman_adv: batadv0: Removing interface: veth513 [ 1517.484670][T26172] __nla_validate_parse: 23 callbacks suppressed [ 1517.484683][T26172] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 07:34:48 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000510002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:48 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, 0x0, 0x0) [ 1517.567847][T26146] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1517.588136][T26147] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1517.705571][T26156] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1517.767891][T26148] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1517.852270][T26217] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 07:34:48 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d000f0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:48 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000080)='/dev/bsg\x00', 0x34100, 0x0) bind$vsock_stream(r1, &(0x7f00000000c0)={0x28, 0x0, 0x2710, @local}, 0x10) r2 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000280)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fefcff0000850000000d000000b700000000000000950008000000000023b5922c90d1db26e58a72e306b88bbaf158fce7df486c000400005121eddcd904d19ef8883600dd6f214a4a764f17b5"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffff8b}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r3, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) 07:34:48 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508ffffff9e0000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:48 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r5 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d00070000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1517.995248][T26215] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:34:48 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, 0x0, 0x0) [ 1518.147763][T26240] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1518.238184][T26242] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1518.358875][T26250] batman_adv: batadv0: Adding interface: veth515 [ 1518.376330][T26250] batman_adv: batadv0: The MTU of interface veth515 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1518.481982][T26250] batman_adv: batadv0: Not using interface veth515 (retrying later): interface not active [ 1518.523687][T26251] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1518.605280][T26257] batman_adv: batadv0: Removing interface: veth515 07:34:49 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000610002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1518.757905][T26258] batman_adv: batadv0: Adding interface: veth887 [ 1518.783050][T26258] batman_adv: batadv0: The MTU of interface veth887 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1518.882249][T26258] batman_adv: batadv0: Not using interface veth887 (retrying later): interface not active [ 1518.959574][T26267] batman_adv: batadv0: Adding interface: veth565 [ 1519.021192][T26267] batman_adv: batadv0: The MTU of interface veth565 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:49 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, 0x0, 0x0) [ 1519.113074][T26267] batman_adv: batadv0: Not using interface veth565 (retrying later): interface not active [ 1519.193092][T26268] batman_adv: batadv0: Removing interface: veth565 07:34:49 executing program 4: socketpair(0x0, 0x0, 0x20000000, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={0x0}}, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="34000000100081eee80000040000000010000000", @ANYRES32=r0, @ANYBLOB="0000000000000000140012000c000100627269646765"], 0x34}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=@ipv6_newaddr={0x40, 0x14, 0x9535393fea6295b5, 0x0, 0x0, {0xa, 0x0, 0x0, 0x0, r0}, [@IFA_LOCAL={0x14, 0x2, @private2}, @IFA_ADDRESS={0x14, 0x1, @initdev={0xfe, 0x88, [], 0x0, 0x0}}]}, 0x40}}, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000002c0)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="34000000100081eee80000040000000010000000", @ANYRES32=r5, @ANYBLOB="0000000000000000140012000c000100627269646765"], 0x34}}, 0x0) sendmsg$nl_route(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=@ipv6_newaddr={0x40, 0x14, 0x9535393fea6295b5, 0x0, 0x0, {0xa, 0x0, 0x0, 0x0, r5}, [@IFA_LOCAL={0x14, 0x2, @private2}, @IFA_ADDRESS={0x14, 0x1, @initdev={0xfe, 0x88, [], 0x0, 0x0}}]}, 0x40}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="280000003ec274d2000000aed0d63806000f0000077e5644dfa473963c32d065367a8b3a9d9162e55773a96359e430964be1c34e532d96101901049731eb55eace310a8514e7ce7594f006cca8ae0ab6c6009a81d4af139446d8aa677a4346b86e1687e0fb9c689ac069", @ANYRES32=r5, @ANYBLOB="0000000000000000080004007f000000"], 0x28}}, 0x0) sendmsg$DCCPDIAG_GETSOCK(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f0000000540)={0x13c, 0x13, 0x2, 0x70bd2b, 0x25dfdbfd, {0x1e, 0x78, 0x7f, 0x81, {0x4e23, 0x4e22, [0x3d, 0x8001, 0x0, 0x6], [0x40, 0x5, 0x9, 0x8], r5, [0x6d8d1cda, 0x1]}, 0x7, 0xd85}, [@INET_DIAG_REQ_BYTECODE={0xef, 0x1, "4fd344782a2203225a18fecf902b26e8a3d3e877519b5e3a59290a464baf0c83116de6e91f0807ae94e5006a5a87675aababfa022044033d760927d1a0c7e835ff66dc5e8d3042ff6f8306a53a4d66d41f1ed21b2083bdf4c742e78f81200d7e25fc85d86fd9094ad93f936e08388a23c2e76cb08dd9bc756489d2026ba14737544b3146e50c07dfcf7887c869e7fbfc4639299636bd99ed47e9e968fa79473282bb79b7ee4b5c0be7306e39932928a51d1d910e15df4f4286b11d6fcb2e8da0cc511e58065aa08488edcaf8ef1b9a5545a18bb14e7ceff657d78d2d0b58799326cbd411ca623660ecbcdc"}]}, 0x13c}, 0x1, 0x0, 0x0, 0x4000880}, 0x8004) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = dup(r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) r8 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xf, 0xe, &(0x7f0000000680)=ANY=[@ANYBLOB="b702000038000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffefff2d64058260dfb4398d7ac000000006d765040400010000000404000001007d60b6ea0000000000fc529fac89910fefd8ad115b006a0a00fefcff0000850000000d000000b7000000000000009d0008000000000023f5922c90d1db26e58a72e306b88bbaf1580000140000512100100009d19ef8883600dd6ff90c9590c5f13af35bacb07c2ac0ce0e3328fd668bb0c8cadabd6d41942301a9c46a8c4b57cadfe9a602f73d3789ed8208af08846f380d5b9570d9199aed99e600a844165ee62322e690cbea98b9ec51c1195147bb2e6e5a3b5ed86c1e2f98a714c8b9c053fc1e7bcedc94d6d89605b6d5da82787451924191c6c34ed60001000000000000b7c7a1654970f6a44c728e1514d379d6c8ccb8988fc7f561e14248805cc76c677711e2140727e1e40842bc0fdb29eb2b743d2573777380505d304380046883332de0f426c65d058324130ad17f257e3ae21aab536371aa2954ba90179c572a4f7e3f819a156b0a1f813a2a2873d290000000"], &(0x7f0000000340)='syzkaller\x00', 0xfffffffc, 0x0, 0x0, 0x0, 0xf, [], 0x0, 0x1d, 0xffffffffffffffff, 0x8, &(0x7f0000000000)={0x6}, 0x8, 0x10, &(0x7f0000000000)={0x3, 0x8000}, 0x10}, 0x78) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r8, 0x18000000000002a0, 0xe80, 0x6000300, &(0x7f0000000500)="b9ff0300000d698cb89e14f08848000f88a800008100638877fbac141421e9", 0x0, 0x100}, 0x28) 07:34:50 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508ffffffc30000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:50 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d010f0000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) 07:34:50 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000710002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) 07:34:50 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0) [ 1519.766557][T26356] batman_adv: batadv0: Adding interface: veth891 [ 1519.778876][T26356] batman_adv: batadv0: The MTU of interface veth891 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:34:50 executing program 4: socketpair(0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) r0 = bpf$ITER_CREATE(0x21, &(0x7f0000000080), 0x8) getsockopt$rose(r0, 0x104, 0x1, &(0x7f00000000c0), &(0x7f0000000100)=0x4) r1 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r1, 0x6, 0x10000000013, &(0x7f0000000100)=0x1, 0xfb) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000840)='/dev/ttyS3\x00', 0x802, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r3, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(0xffffffffffffffff, 0x10e, 0x8, 0x0, 0x0) r4 = getpid() ioctl$BLKFRASET(0xffffffffffffffff, 0x1264, &(0x7f0000000040)=0x200) sched_setscheduler(r4, 0x5, &(0x7f0000000380)) r5 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) shmat(0x0, &(0x7f0000000000/0x13000)=nil, 0x4000) sendmsg$IPSET_CMD_TYPE(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) ioctl$KVM_SET_REGS(r5, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x7, 0x0, 0x0, 0x80000000, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x4], 0x1f000, 0x200000}) ioctl$KVM_RUN(r5, 0xae80, 0x0) [ 1519.872151][T26356] batman_adv: batadv0: Not using interface veth891 (retrying later): interface not active 07:34:50 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 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$nl_route(r5, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r7}]}, 0x44}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508000000000000020000000000", @ANYRES32=r4, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000380)=ANY=[@ANYBLOB="2000000011000d01070000000000000005000000", @ANYRES32=r4], 0x20}}, 0x0) [ 1519.978108][T26365] batman_adv: batadv0: Adding interface: veth515 [ 1519.998770][T26365] batman_adv: batadv0: The MTU of interface veth515 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1520.190026][T26365] batman_adv: batadv0: Not using interface veth515 (retrying later): interface not active 07:34:51 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0) [ 1522.281046][T26369] batman_adv: batadv0: Removing interface: veth515 [ 1522.878490][T26371] __nla_validate_parse: 13 callbacks suppressed [ 1522.878504][T26371] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1522.958024][T26344] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1523.116880][T26365] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 07:34:53 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = 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$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000010002508ffffffe40000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1523.278395][T26431] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1523.420028][T26393] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 1523.545197][T26380] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 07:34:54 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) r4 = socket$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, &(0x7f0000000140)={&(0x7f0000000300)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @vlan={{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_VLAN_ID={0x6}]}}}, @IFLA_LINK={0x8, 0x5, r6}]}, 0x44}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000810002508000000000000020000000000", @ANYRES32=r3, @ANYBLOB="000000000000000008000a0014"], 0x28}}, 0x0) [ 1523.798693][T26445] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1524.073885][T26431] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1524.175525][T26398] batman_adv: batadv0: Adding interface: veth567 [ 1524.188572][T26398] batman_adv: batadv0: The MTU of interface veth567 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1524.278089][T26398] batman_adv: batadv0: Not using interface veth567 (retrying later): interface not active [ 1629.162073][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1629.169160][ C0] rcu: 0-....: (10498 ticks this GP) idle=b66/1/0x4000000000000000 softirq=111874/111874 fqs=5078 [ 1629.181130][ C0] (t=10500 jiffies g=214941 q=961) [ 1629.181147][ C0] NMI backtrace for cpu 0 [ 1629.191630][ C0] CPU: 0 PID: 26378 Comm: syz-executor.4 Not tainted 5.9.0-rc6-next-20200922-syzkaller #0 [ 1629.201534][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1629.211600][ C0] Call Trace: [ 1629.214885][ C0] [ 1629.217755][ C0] dump_stack+0x198/0x1fb [ 1629.222098][ C0] nmi_cpu_backtrace.cold+0x44/0xd7 [ 1629.227380][ C0] ? lapic_can_unplug_cpu+0x80/0x80 [ 1629.232648][ C0] nmi_trigger_cpumask_backtrace+0x1b3/0x230 [ 1629.238687][ C0] rcu_dump_cpu_stacks+0x1e3/0x21e [ 1629.243815][ C0] rcu_sched_clock_irq.cold+0x4db/0xdcf [ 1629.249389][ C0] ? lock_is_held_type+0xbb/0xf0 [ 1629.254343][ C0] ? rcutree_dead_cpu+0x40/0x40 [ 1629.259308][ C0] ? __raise_softirq_irqoff+0x97/0x1d0 [ 1629.264994][ C0] update_process_times+0x25/0xa0 [ 1629.270186][ C0] tick_sched_handle+0x9b/0x180 [ 1629.275067][ C0] tick_sched_timer+0x1d1/0x2a0 [ 1629.279953][ C0] ? can_stop_idle_tick+0x290/0x290 [ 1629.285183][ C0] __hrtimer_run_queues+0x1ce/0xea0 [ 1629.290393][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 1629.296380][ C0] ? ktime_get_update_offsets_now+0x1ee/0x280 [ 1629.302446][ C0] hrtimer_interrupt+0x334/0x940 [ 1629.307375][ C0] __sysvec_apic_timer_interrupt+0x146/0x540 [ 1629.313339][ C0] sysvec_apic_timer_interrupt+0x4c/0xf0 [ 1629.318958][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1629.324931][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x4d/0x90 [ 1629.331336][ C0] Code: 48 c7 c0 a8 f1 3c 8a 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 3c 48 83 3d 62 83 fc 01 00 74 29 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 e4 b0 0f f9 65 8b 05 1d 90 c1 77 [ 1629.350924][ C0] RSP: 0018:ffffc90000007c18 EFLAGS: 00000286 [ 1629.356977][ C0] RAX: 1ffffffff1479e35 RBX: 0000000000000286 RCX: ffffffff815a9cb7 [ 1629.364929][ C0] RDX: dffffc0000000000 RSI: 0000000000000102 RDI: 0000000000000286 [ 1629.372897][ C0] RBP: ffff8880ae4255c0 R08: 0000000000000001 R09: ffffffff8d6caaaf [ 1629.380850][ C0] R10: fffffbfff1ad9555 R11: 0000000000000000 R12: 00000001000206a1 [ 1629.388817][ C0] R13: ffff8880ae4255c0 R14: 0000000000000000 R15: 00000000ffffffff [ 1629.396800][ C0] ? mark_lock+0xf7/0x2420 [ 1629.401214][ C0] __mod_timer+0x837/0xe30 [ 1629.405642][ C0] ? run_timer_softirq+0x1d0/0x1d0 [ 1629.410755][ C0] ? lock_is_held_type+0xbb/0xf0 [ 1629.415753][ C0] ? garp_request_leave+0x290/0x290 [ 1629.420944][ C0] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 1629.426492][ C0] ? garp_request_leave+0x290/0x290 [ 1629.431672][ C0] call_timer_fn+0x1a5/0x6b0 [ 1629.436255][ C0] ? add_timer_on+0x4a0/0x4a0 [ 1629.440914][ C0] ? mark_lock+0xf7/0x2420 [ 1629.445330][ C0] ? garp_request_leave+0x290/0x290 [ 1629.450512][ C0] __run_timers.part.0+0x67c/0xa50 [ 1629.455610][ C0] ? call_timer_fn+0x6b0/0x6b0 [ 1629.460364][ C0] ? lapic_next_event+0x4d/0x80 [ 1629.465214][ C0] ? mark_held_locks+0x9f/0xe0 [ 1629.469959][ C0] ? hrtimer_interrupt+0x6f4/0x940 [ 1629.475052][ C0] run_timer_softirq+0xb3/0x1d0 [ 1629.479910][ C0] __do_softirq+0x203/0xab6 [ 1629.484410][ C0] asm_call_on_stack+0xf/0x20 [ 1629.489071][ C0] [ 1629.492116][ C0] do_softirq_own_stack+0x9d/0xd0 [ 1629.497132][ C0] irq_exit_rcu+0x235/0x280 [ 1629.501626][ C0] sysvec_apic_timer_interrupt+0x51/0xf0 [ 1629.507257][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1629.513293][ C0] RIP: 0010:unwind_next_frame+0xc18/0x1f90 [ 1629.519088][ C0] Code: 24 20 4c 89 4c 24 18 e8 a6 a0 82 00 4c 8b 44 24 20 4c 8b 4c 24 18 e9 70 f7 ff ff e8 b9 78 cc ff e9 ee f7 ff ff 48 8b 44 24 60 <4c> 89 e2 4c 89 ff 48 89 4c 24 30 4c 89 4c 24 28 4c 89 44 24 20 48 [ 1629.538681][ C0] RSP: 0018:ffffc90007677298 EFLAGS: 00000246 [ 1629.544741][ C0] RAX: ffffc90007677780 RBX: 1ffff92000ecee5b RCX: ffffffff8c29d553 [ 1629.552698][ C0] RDX: ffffc90007677758 RSI: 0000000000000000 RDI: 0000000000000001 [ 1629.560664][ C0] RBP: 0000000000000001 R08: ffffffff8c29d54e R09: ffffffff8c29d552 [ 1629.568627][ C0] R10: 0000000000078084 R11: 0000000000000001 R12: ffffc900076773b8 [ 1629.576594][ C0] R13: ffffc900076773a5 R14: ffffc900076773c0 R15: ffffc90007677370 [ 1629.584671][ C0] ? unwind_next_frame+0x342/0x1f90 [ 1629.589856][ C0] ? __kmalloc_node+0x38/0x60 [ 1629.594519][ C0] ? get_stack_info_noinstr+0x14/0x110 [ 1629.599969][ C0] ? deref_stack_reg+0x150/0x150 [ 1629.604899][ C0] ? __unwind_start+0x517/0x800 [ 1629.609772][ C0] ? create_prof_cpu_mask+0x20/0x20 [ 1629.614990][ C0] arch_stack_walk+0x7d/0xe0 [ 1629.619592][ C0] ? __kmalloc_node+0x38/0x60 [ 1629.624282][ C0] stack_trace_save+0x8c/0xc0 [ 1629.628957][ C0] ? stack_trace_consume_entry+0x160/0x160 [ 1629.634774][ C0] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1629.640827][ C0] kasan_save_stack+0x1b/0x40 [ 1629.645501][ C0] ? kasan_save_stack+0x1b/0x40 [ 1629.650333][ C0] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 1629.656121][ C0] ? kmem_cache_alloc_node_trace+0x19f/0x5b0 [ 1629.662105][ C0] ? __kmalloc_node+0x38/0x60 [ 1629.666797][ C0] ? __vmalloc_area_node+0x589/0x7a0 [ 1629.672069][ C0] ? vzalloc+0x116/0x1a0 [ 1629.677722][ C0] ? n_tty_open+0x16/0x170 [ 1629.682143][ C0] ? tty_ldisc_open+0x9b/0x110 [ 1629.686935][ C0] ? tty_ldisc_setup+0x43/0x100 [ 1629.691793][ C0] ? tty_init_dev.part.0+0x1f4/0x610 [ 1629.697063][ C0] ? tty_open+0xb2e/0xf60 [ 1629.701391][ C0] ? chrdev_open+0x266/0x770 [ 1629.706017][ C0] ? do_dentry_open+0x4b9/0x11b0 [ 1629.711030][ C0] ? path_openat+0x1b9a/0x2730 [ 1629.715775][ C0] ? do_filp_open+0x17e/0x3c0 [ 1629.720432][ C0] ? do_sys_openat2+0x16d/0x420 [ 1629.725276][ C0] ? __x64_sys_openat+0x13f/0x1f0 [ 1629.730295][ C0] ? do_syscall_64+0x2d/0x70 [ 1629.734991][ C0] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1629.741048][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 1629.746244][ C0] ? sched_clock+0x2a/0x40 [ 1629.750707][ C0] ? sched_clock_cpu+0x18/0x1f0 [ 1629.755556][ C0] ? lock_chain_count+0x20/0x20 [ 1629.760387][ C0] ? mark_held_locks+0x9f/0xe0 [ 1629.765130][ C0] ? check_preemption_disabled+0x50/0x130 [ 1629.770828][ C0] ? check_preemption_disabled+0x50/0x130 [ 1629.776539][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1629.782683][ C0] ? lockdep_hardirqs_on+0x53/0x100 [ 1629.787863][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1629.794013][ C0] ? mark_held_locks+0x9f/0xe0 [ 1629.798756][ C0] ? check_preemption_disabled+0x50/0x130 [ 1629.804457][ C0] ? kasan_unpoison_shadow+0x33/0x40 [ 1629.809734][ C0] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 1629.815375][ C0] kmem_cache_alloc_node_trace+0x19f/0x5b0 [ 1629.823253][ C0] ? do_raw_spin_lock+0x120/0x2b0 [ 1629.828264][ C0] __kmalloc_node+0x38/0x60 [ 1629.832760][ C0] __vmalloc_area_node+0x589/0x7a0 [ 1629.837868][ C0] ? __get_vm_area_node+0x292/0x380 [ 1629.843058][ C0] ? n_tty_open+0x16/0x170 [ 1629.847480][ C0] ? n_tty_open+0x16/0x170 [ 1629.851875][ C0] vzalloc+0x116/0x1a0 [ 1629.855927][ C0] n_tty_open+0x16/0x170 [ 1629.860158][ C0] ? n_tty_set_termios+0x1010/0x1010 [ 1629.865428][ C0] tty_ldisc_open+0x9b/0x110 [ 1629.869997][ C0] tty_ldisc_setup+0x43/0x100 [ 1629.874655][ C0] tty_init_dev.part.0+0x1f4/0x610 [ 1629.879754][ C0] tty_open+0xb2e/0xf60 [ 1629.883893][ C0] ? tty_kopen+0x490/0x490 [ 1629.888304][ C0] ? tty_kopen+0x490/0x490 [ 1629.892723][ C0] chrdev_open+0x266/0x770 [ 1629.897124][ C0] ? cdev_device_add+0x210/0x210 [ 1629.902108][ C0] ? security_file_open+0x205/0x4f0 [ 1629.907314][ C0] do_dentry_open+0x4b9/0x11b0 [ 1629.912069][ C0] ? cdev_device_add+0x210/0x210 [ 1629.917019][ C0] path_openat+0x1b9a/0x2730 [ 1629.921593][ C0] ? path_lookupat+0x830/0x830 [ 1629.926345][ C0] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 1629.932313][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 1629.937505][ C0] ? sched_clock+0x2a/0x40 [ 1629.941902][ C0] ? sched_clock_cpu+0x18/0x1f0 [ 1629.946741][ C0] ? sched_clock_cpu+0x18/0x1f0 [ 1629.951584][ C0] ? lock_is_held_type+0xbb/0xf0 [ 1629.956524][ C0] do_filp_open+0x17e/0x3c0 [ 1629.961017][ C0] ? may_open_dev+0xf0/0xf0 [ 1629.965539][ C0] ? do_raw_spin_lock+0x120/0x2b0 [ 1629.970554][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 1629.975479][ C0] ? _raw_spin_unlock+0x24/0x40 [ 1629.980310][ C0] ? __alloc_fd+0x28d/0x600 [ 1629.984803][ C0] do_sys_openat2+0x16d/0x420 [ 1629.989480][ C0] ? build_open_flags+0x650/0x650 [ 1629.994512][ C0] ? put_timespec64+0xcb/0x120 [ 1629.999267][ C0] ? ns_to_timespec64+0xc0/0xc0 [ 1630.004104][ C0] __x64_sys_openat+0x13f/0x1f0 [ 1630.008946][ C0] ? __ia32_sys_open+0x1c0/0x1c0 [ 1630.013870][ C0] ? check_preemption_disabled+0x50/0x130 [ 1630.019568][ C0] ? syscall_enter_from_user_mode+0x1d/0x60 [ 1630.025447][ C0] do_syscall_64+0x2d/0x70 [ 1630.029846][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1630.035732][ C0] RIP: 0033:0x45e179 [ 1630.039610][ C0] Code: 3d b2 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 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1630.059216][ C0] RSP: 002b:00007fef90bf3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 1630.067614][ C0] RAX: ffffffffffffffda RBX: 0000000000024000 RCX: 000000000045e179 [ 1630.075655][ C0] RDX: 0000000000000802 RSI: 0000000020000840 RDI: ffffffffffffff9c [ 1630.083610][ C0] RBP: 000000000118cf88 R08: 0000000000000000 R09: 0000000000000000 [ 1630.091570][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c [ 1630.099546][ C0] R13: 00007ffeae799bef R14: 00007fef90bf49c0 R15: 000000000118cf4c [ 1632.656055][ T8205] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10834 jiffies s: 45625 root: 0x1/. [ 1632.695378][ T8205] rcu: blocking rcu_node structures: [ 1632.700709][ T8205] Task dump for CPU 0: [ 1632.712126][ T8205] task:syz-executor.4 state:R running task stack:26456 pid:26378 ppid: 6904 flags:0x0000400c [ 1632.762130][ T8205] Call Trace: [ 1632.765474][ T8205] ? kvm_sched_clock_read+0x14/0x40 [ 1632.770681][ T8205] ? sched_clock+0x2a/0x40 [ 1632.813489][ T8205] ? sched_clock_cpu+0x18/0x1f0 [ 1632.818391][ T8205] ? lock_chain_count+0x20/0x20 [ 1632.842155][ T8205] ? mark_held_locks+0x9f/0xe0 [ 1632.846960][ T8205] ? check_preemption_disabled+0x50/0x130 [ 1632.885185][ T8205] ? check_preemption_disabled+0x50/0x130 [ 1632.890955][ T8205] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1632.925375][ T8205] ? lockdep_hardirqs_on+0x53/0x100 [ 1632.930616][ T8205] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1632.965169][ T8205] ? mark_held_locks+0x9f/0xe0 [ 1632.969986][ T8205] ? check_preemption_disabled+0x50/0x130 [ 1633.002183][ T8205] ? kasan_unpoison_shadow+0x33/0x40 [ 1633.007634][ T8205] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 1633.033276][ T8205] ? kmem_cache_alloc_node_trace+0x19f/0x5b0 [ 1633.039306][ T8205] ? do_raw_spin_lock+0x120/0x2b0 [ 1633.083027][ T8205] ? __kmalloc_node+0x38/0x60 [ 1633.087751][ T8205] ? __vmalloc_area_node+0x589/0x7a0 [ 1633.107452][ T8205] ? __get_vm_area_node+0x292/0x380 [ 1633.132154][ T8205] ? n_tty_open+0x16/0x170 [ 1633.136610][ T8205] ? n_tty_open+0x16/0x170 [ 1633.141041][ T8205] ? vzalloc+0x116/0x1a0 [ 1633.182969][ T8205] ? n_tty_open+0x16/0x170 [ 1633.187439][ T8205] ? n_tty_set_termios+0x1010/0x1010 [ 1633.215602][ T8205] ? tty_ldisc_open+0x9b/0x110 [ 1633.220418][ T8205] ? tty_ldisc_setup+0x43/0x100 [ 1633.243249][ T8205] ? tty_init_dev.part.0+0x1f4/0x610 [ 1633.248576][ T8205] ? tty_open+0xb2e/0xf60 [ 1633.273101][ T8205] ? tty_kopen+0x490/0x490 [ 1633.277622][ T8205] ? tty_kopen+0x490/0x490 [ 1633.282064][ T8205] ? chrdev_open+0x266/0x770 [ 1633.325731][ T8205] ? cdev_device_add+0x210/0x210 [ 1633.330733][ T8205] ? security_file_open+0x205/0x4f0 [ 1633.363371][ T8205] ? do_dentry_open+0x4b9/0x11b0 [ 1633.368372][ T8205] ? cdev_device_add+0x210/0x210 [ 1633.395808][ T8205] ? path_openat+0x1b9a/0x2730 [ 1633.400639][ T8205] ? path_lookupat+0x830/0x830 [ 1633.433446][ T8205] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 1633.439667][ T8205] ? kvm_sched_clock_read+0x14/0x40 [ 1633.465504][ T8205] ? sched_clock+0x2a/0x40 [ 1633.469961][ T8205] ? sched_clock_cpu+0x18/0x1f0 [ 1633.503236][ T8205] ? sched_clock_cpu+0x18/0x1f0 [ 1633.511358][ T8205] ? lock_is_held_type+0xbb/0xf0 [ 1633.545494][ T8205] ? do_filp_open+0x17e/0x3c0 [ 1633.550235][ T8205] ? may_open_dev+0xf0/0xf0 [ 1633.575680][ T8205] ? do_raw_spin_lock+0x120/0x2b0 [ 1633.580750][ T8205] ? rwlock_bug.part.0+0x90/0x90 [ 1633.615581][ T8205] ? _raw_spin_unlock+0x24/0x40 [ 1633.620477][ T8205] ? __alloc_fd+0x28d/0x600 [ 1633.633221][ T8205] ? do_sys_openat2+0x16d/0x420 [ 1633.638117][ T8205] ? build_open_flags+0x650/0x650 [ 1633.675610][ T8205] ? put_timespec64+0xcb/0x120 [ 1633.680420][ T8205] ? ns_to_timespec64+0xc0/0xc0 [ 1633.703255][ T8205] ? __x64_sys_openat+0x13f/0x1f0 [ 1633.708334][ T8205] ? __ia32_sys_open+0x1c0/0x1c0 [ 1633.743400][ T8205] ? check_preemption_disabled+0x50/0x130 [ 1633.749184][ T8205] ? syscall_enter_from_user_mode+0x1d/0x60 [ 1633.785534][ T8205] ? do_syscall_64+0x2d/0x70 [ 1633.790188][ T8205] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9